Climate Change in Cayey, Puerto Rico

96+ years of recorded temperature data show Cayey is changing.

Based on our analysis of 96 years of temperature data near Cayey, PR, this area shows relatively stable temperatures of approximately -0.1°F per decade. 7 of the last 10 years recorded above-average temperatures, and 2015 was the warmest year on record at +4.7°F above the historical baseline.

Key Climate Facts

Rate of Change

-0.1°F

per decade

Warmest Year

2015

+4.7°F anomaly

Recent Warm Years

7 / 10

above-average years

Decade Shift

-1.4°F

2020s vs 1930s

Compared to the National Average

Cayey is warming 0.1°F/decade slower than the national average.

National: +0.20°F/decade
Cayey: -0.07°F/decade

Climate Spiral

Each ring represents one year of monthly temperatures. Blue indicates cooler-than-average periods; red indicates warmer. The outward drift over time reveals Cayey's long-term warming trend.

Temperature anomaly spiral for Cayey, Puerto Rico
Climate spiral: monthly temperature anomalies from 96+ years of NOAA records for Cayey, PR.

Warming Stripes

Each vertical stripe represents one year. The color gradient from blue to red shows how annual temperatures have shifted relative to the historical average.

Warming stripes for Cayey, Puerto Rico
Warming stripes: each stripe is one year of average temperature anomaly for Cayey, PR.

Temperature Trend

Annual temperature anomalies plotted over time with a linear regression trend line. The slope of -0.07°F per decade quantifies the rate of change.

Temperature trend chart for Cayey, Puerto Rico
Linear trend: annual temperature anomalies with trend line for Cayey, PR.

Temperature by Decade

1930s
+2.40°F
1940s
+1.88°F
1950s
+3.03°F
1960s
+3.06°F
1970s
-0.32°F
1980s
-0.05°F
1990s
+0.48°F
2000s
+2.97°F
2010s
+3.15°F
2020s
+1.00°F

Average temperature anomaly per decade relative to the historical baseline period.

Anomaly Scale

-3.8°F Colder Normal +4.9°F Warmer

Color bounds are set to the 5th and 95th percentile of anomalies to avoid outlier washout.

Monthly Temperature Records

Complete monthly temperature record for Cayey, PR. Filter by decade or download as CSV.

Data Sources & Audit

Station
GUAYAMA 1 SW, PR US
Distance
7.3 mi
Coverage
78%
Records
908
Range
1930-01 – 2026-01
Gap-filled
242 from 9 stations
Full Data Audit 1,150 records
YearMonthTempBaselineAnomalySourceGap
1930Jan76.9°F74.4°F+2.5°RQC00664193
1930Feb76.5°F75.3°F+1.2°RQC00664193
1930Mar78.2°F76.0°F+2.1°RQC00664193
1930Apr79.2°F77.9°F+1.3°RQC00664193
1930May81.1°F78.5°F+2.6°RQC00664193
1930Jun82.0°F80.0°F+2.1°RQC00664193
1930Jul82.7°F80.2°F+2.5°RQC00664193
1930Aug83.5°F80.8°F+2.8°RQC00664193
1930Sep83.2°F80.3°F+2.9°RQC00664193
1930Oct82.8°F79.4°F+3.4°RQC00664193
1930Nov81.5°F78.3°F+3.2°RQC00664193
1930Dec81.0°F75.1°F+5.9°RQC00664193
1931Jan79.0°F74.4°F+4.6°RQC00664193
1931Feb78.2°F75.3°F+2.9°RQC00664193
1931Mar80.4°F76.0°F+4.4°RQC00664193
1931Apr81.1°F77.9°F+3.2°RQC00664193
1931May82.0°F78.5°F+3.5°RQC00664193
1931Jun82.1°F80.0°F+2.1°RQC00664193
1931Jul82.7°F80.2°F+2.5°RQC00664193
1931Aug83.5°F80.8°F+2.7°RQC00664193
1931Sep82.4°F80.3°F+2.0°RQC00664193
1931Oct81.7°F79.4°F+2.3°RQC00664193
1931Nov80.9°F78.3°F+2.5°RQC00664193
1931Dec79.3°F75.1°F+4.2°RQC00664193
1932Jan77.8°F74.4°F+3.4°RQC00664193
1932Feb77.5°F75.3°F+2.2°RQC00664193
1932Mar79.4°F76.0°F+3.3°RQC00664193
1932Apr80.5°F77.9°F+2.6°RQC00664193
1932May81.2°F78.5°F+2.7°RQC00664193
1932Jun81.9°F80.0°F+2.0°RQC00664193
1932Jul82.6°F80.2°F+2.4°RQC00664193
1932Aug83.7°F80.8°F+3.0°RQC00664193
1932Sep83.4°F80.3°F+3.0°RQC00664193
1932Oct83.2°F79.4°F+3.8°RQC00664193
1932Nov81.1°F78.3°F+2.8°RQC00664193
1932Dec79.4°F75.1°F+4.4°RQC00664193
1933Jan78.1°F74.4°F+3.7°RQC00664193
1933Feb77.5°F75.3°F+2.2°RQC00664193
1933Mar78.7°F76.0°F+2.7°RQC00664193
1933Apr80.3°F77.9°F+2.4°RQC00664193
1933May81.1°F78.5°F+2.6°RQC00664193
1933Jun81.7°F80.0°F+1.7°RQC00664193
1933Jul82.9°F80.2°F+2.7°RQC00664193
1933Aug82.5°F80.8°F+1.8°RQC00664193
1933Sep81.9°F80.3°F+1.6°RQC00664193
1933Oct81.9°F79.4°F+2.5°RQC00664193
1933Nov81.2°F78.3°F+2.9°RQC00664193
1933Dec79.3°F75.1°F+4.2°RQC00664193
1934Jan77.8°F74.4°F+3.4°RQC00664193
1934Feb78.1°F75.3°F+2.8°RQC00664193
1934Mar78.2°F76.0°F+2.2°RQC00664193
1934Apr79.3°F77.9°F+1.4°RQC00664193
1934May80.3°F78.5°F+1.8°RQC00664193
1934Jun81.6°F80.0°F+1.6°RQC00664193
1934Jul82.2°F80.2°F+2.0°RQC00664193
1934Aug83.3°F80.8°F+2.6°RQC00664193
1934Sep82.7°F80.3°F+2.3°RQC00664193
1934Oct82.9°F79.4°F+3.5°RQC00664193
1934Nov81.6°F78.3°F+3.3°RQC00664193
1934Dec79.5°F75.1°F+4.4°RQC00664193
1935Jan77.3°F74.4°F+2.8°RQC00664193
1935Feb77.4°F75.3°F+2.1°RQC00664193
1935Mar77.9°F76.0°F+1.8°RQC00664193
1935Apr78.8°F77.9°F+0.9°RQC00664193
1935May77.9°F78.5°F-0.6°RQC00664193
1935Jun76.5°F80.0°F-3.5°RQC00662634
1935Jul80.6°F80.2°F+0.4°RQC00664193
1935Aug80.7°F80.8°F-0.1°RQC00664193
1935Sep80.1°F80.3°F-0.3°RQC00664193
1935Oct78.4°F79.4°F-1.1°RQC00664193
1935Nov77.8°F78.3°F-0.5°RQC00664193
1935Dec79.2°F75.1°F+4.1°RQC00664193
1936Jan78.9°F74.4°F+4.4°RQC00664193
1936Feb78.7°F75.3°F+3.4°RQC00664193
1936Mar78.7°F76.0°F+2.7°RQC00664193
1936Apr80.9°F77.9°F+3.0°RQC00664193
1936May81.1°F78.5°F+2.6°RQC00664193
1936Jun82.5°F80.0°F+2.6°RQC00664193
1936Jul82.5°F80.2°F+2.3°RQC00664193
1936Aug82.7°F80.8°F+1.9°RQC00664193
1936Sep83.1°F80.3°F+2.8°RQC00664193
1936Oct82.2°F79.4°F+2.8°RQC00664193
1936Nov80.8°F78.3°F+2.4°RQC00664193
1936Dec78.5°F75.1°F+3.4°RQC00664193
1937Jan76.1°F74.4°F+1.7°RQC00664193
1937Feb76.9°F75.3°F+1.6°RQC00664193
1937Mar79.2°F76.0°F+3.1°RQC00664193
1937Apr79.6°F77.9°F+1.7°RQC00664193
1937May81.2°F78.5°F+2.7°RQC00664193
1937Jun82.2°F80.0°F+2.2°RQC00664193
1937Jul84.3°F80.2°F+4.1°RQC00664193
1937Aug83.8°F80.8°F+3.1°RQC00664193
1937Sep83.7°F80.3°F+3.4°RQC00664193
1937Oct82.6°F79.4°F+3.2°RQC00664193
1937Nov82.3°F78.3°F+4.0°RQC00664193
1937Dec79.7°F75.1°F+4.6°RQC00664193
1938Jan77.9°F74.4°F+3.4°RQC00664193
1938Feb76.9°F75.3°F+1.6°RQC00664193
1938Mar78.1°F76.0°F+2.1°RQC00664193
1938Apr78.5°F77.9°F+0.6°RQC00664193
1938May81.3°F78.5°F+2.8°RQC00664193
1938Jun81.4°F80.0°F+1.5°RQC00664193
1938Jul82.7°F80.2°F+2.5°RQC00664193
1938Aug82.6°F80.8°F+1.9°RQC00664193
1938Sep81.7°F80.3°F+1.4°RQC00664193
1938Oct81.8°F79.4°F+2.4°RQC00664193
1938Nov78.6°F78.3°F+0.3°RQC00664193
1938Dec78.6°F75.1°F+3.5°RQC00664193
1939Jan76.9°F74.4°F+2.5°RQC00664193
1939Feb76.6°F75.3°F+1.3°RQC00664193
1939Mar77.2°F76.0°F+1.1°RQC00664193
1939Apr78.0°F77.9°F+0.1°RQC00664193
1939May79.0°F78.5°F+0.5°RQC00664193
1939Jun81.0°F80.0°F+1.0°RQC00664193
1939Jul81.8°F80.2°F+1.6°RQC00664193
1939Aug82.3°F80.8°F+1.5°RQC00664193
1939Sep82.5°F80.3°F+2.2°RQC00664193
1939Oct81.9°F79.4°F+2.5°RQC00664193
1939Nov80.5°F78.3°F+2.2°RQC00664193
1939Dec79.2°F75.1°F+4.1°RQC00664193
1940Jan78.3°F74.4°F+3.9°RQC00664193
1940Feb77.9°F75.3°F+2.6°RQC00664193
1940Mar78.0°F76.0°F+2.0°RQC00664193
1940Apr80.3°F77.9°F+2.4°RQC00664193
1940May80.2°F78.5°F+1.7°RQC00664193
1940Jun81.1°F80.0°F+1.1°RQC00664193
1940Jul81.7°F80.2°F+1.4°RQC00664193
1940Aug82.7°F80.8°F+2.0°RQC00664193
1940Sep81.3°F80.3°F+1.0°RQC00664193
1940Oct80.8°F79.4°F+1.4°RQC00664193
1940Nov79.6°F78.3°F+1.3°RQC00664193
1940Dec78.0°F75.1°F+2.9°RQC00664193
1941Jan77.0°F74.4°F+2.6°RQC00664193
1941Feb78.2°F75.3°F+2.9°RQC00664193
1941Mar75.8°F76.0°F-0.2°RQC00662634
1941Apr81.4°F77.9°F+3.5°RQC00664193
1941May82.2°F78.5°F+3.7°RQC00664193
1941Jun82.2°F80.0°F+2.3°RQC00664193
1941Jul82.1°F80.2°F+1.9°RQC00664193
1941Aug83.7°F80.8°F+2.9°RQC00664193
1941Sep83.2°F80.3°F+2.8°RQC00664193
1941Oct83.4°F79.4°F+3.9°RQC00664193
1941Nov82.7°F78.3°F+4.3°RQC00664193
1941Dec81.2°F75.1°F+6.1°RQC00664193
1942Jan75.2°F74.4°F+0.8°RQC00662634
1942Feb76.0°F75.3°F+0.7°RQC00660147
1942Mar77.8°F76.0°F+1.8°RQC00660147
1942Apr76.5°F77.9°F-1.4°RQC00662634
1942May78.5°F78.5°F+0.0°RQC00662634
1942Jun79.1°F80.0°F-0.9°RQC00662634
1942Jul79.3°F80.2°F-0.9°RQC00662634
1942Aug79.1°F80.8°F-1.6°RQC00662634
1942Sep79.2°F80.3°F-1.2°RQC00662634
1942Oct79.4°F79.4°F+0.0°RQC00662634
1942Nov77.4°F78.3°F-1.0°RQC00662634
1942Dec75.9°F75.1°F+0.8°RQC00662634
1943Jan78.0°F74.4°F+3.6°RQC00664193
1943Feb78.4°F75.3°F+3.1°RQC00664193
1943Mar78.2°F76.0°F+2.2°RQC00664193
1943Apr79.8°F77.9°F+2.0°RQC00664193
1943May79.5°F78.5°F+1.0°RQC00664193
1943Jun81.6°F80.0°F+1.6°RQC00664193
1943Jul82.1°F80.2°F+1.9°RQC00664193
1943Aug83.2°F80.8°F+2.4°RQC00664193
1943Sep82.8°F80.3°F+2.5°RQC00664193
1943Oct82.0°F79.4°F+2.5°RQC00664193
1943Nov81.4°F78.3°F+3.1°RQC00664193
1943Dec80.3°F75.1°F+5.2°RQC00664193
1944Jan79.2°F74.4°F+4.8°RQC00664193
1944Feb78.4°F75.3°F+3.1°RQC00664193
1944Mar79.3°F76.0°F+3.3°RQC00664193
1944Apr80.3°F77.9°F+2.5°RQC00664193
1944May80.7°F78.5°F+2.2°RQC00664193
1944Jun81.7°F80.0°F+1.7°RQC00664193
1944Jul82.9°F80.2°F+2.7°RQC00664193
1944Aug83.5°F80.8°F+2.8°RQC00664193
1944Sep82.8°F80.3°F+2.4°RQC00664193
1944Oct83.1°F79.4°F+3.7°RQC00664193
1944Nov81.7°F78.3°F+3.4°RQC00664193
1944Dec79.1°F75.1°F+4.0°RQC00664193
1945Jan78.5°F74.4°F+4.1°RQC00664193
1945Feb78.5°F75.3°F+3.2°RQC00664193
1945Mar79.2°F76.0°F+3.2°RQC00664193
1945Apr76.4°F77.9°F-1.5°RQC00660147
1945May81.4°F78.5°F+2.9°RQC00664193
1945Jun83.1°F80.0°F+3.2°RQC00664193
1945Jul83.5°F80.2°F+3.2°RQC00664193
1945Aug83.3°F80.8°F+2.5°RQC00664193
1945Sep82.2°F80.3°F+1.9°RQC00664193
1945Oct82.6°F79.4°F+3.2°RQC00664193
1945Nov81.5°F78.3°F+3.2°RQC00664193
1945Dec80.3°F75.1°F+5.2°RQC00664193
1946Jan80.6°F74.4°F+6.2°RQC00664193
1946Feb81.5°F75.3°F+6.2°RQC00664193
1946Mar74.4°F76.0°F-1.6°RQC00660147
1946Apr80.5°F77.9°F+2.7°RQC00664193
1946May80.1°F78.5°F+1.6°RQC00664193
1946Jun81.8°F80.0°F+1.8°RQC00664193
1946Jul83.2°F80.2°F+2.9°RQC00664193
1946Aug83.0°F80.8°F+2.3°RQC00664193
1946Sep82.4°F80.3°F+2.1°RQC00664193
1946Oct78.0°F79.4°F-1.4°RQC00660147
1946Nov77.0°F78.3°F-1.4°RQC00660147
1946Dec79.4°F75.1°F+4.4°RQC00664193
1947Jan74.7°F74.4°F+0.3°RQC00660147
1947Feb80.0°F75.3°F+4.7°RQC00664193
1947Mar75.8°F76.0°F-0.3°RQC00660147
1947Apr80.4°F77.9°F+2.5°RQC00664193
1947May81.1°F78.5°F+2.6°RQC00664193
1947Jun82.6°F80.0°F+2.7°RQC00664193
1947Jul83.6°F80.2°F+3.4°RQC00664193
1947Aug83.2°F80.8°F+2.4°RQC00664193
1947Sep79.7°F80.3°F-0.7°RQC00660147
1947Oct80.0°F79.4°F+0.6°RQC00660147
1947Nov77.7°F78.3°F-0.7°RQC00660147
1947Dec74.4°F75.1°F-0.7°RQC00662634
1948Jan74.1°F74.4°F-0.4°RQC00662634
1948Feb73.2°F75.3°F-2.1°RQC00662634
1948Mar73.8°F76.0°F-2.2°RQC00662634
1948Apr74.4°F77.9°F-3.5°RQC00662634
1948May77.7°F78.5°F-0.8°RQC00662634
1948Jun78.8°F80.0°F-1.2°RQC00662634
1948Jul78.6°F80.2°F-1.6°RQC00662634
1948Aug80.3°F80.8°F-0.5°RQC00660147
1948Sep78.0°F80.3°F-2.4°RQC00662634
1948Oct79.1°F79.4°F-0.4°RQC00660147
1948Nov77.7°F78.3°F-0.6°RQC00660147
1948Dec79.4°F75.1°F+4.3°RQC00664193
1949Jan77.3°F74.4°F+2.9°RQC00664193
1949Feb78.0°F75.3°F+2.7°RQC00664193
1949Mar78.6°F76.0°F+2.6°RQC00664193
1949Apr80.1°F77.9°F+2.2°RQC00664193
1949May81.2°F78.5°F+2.7°RQC00664193
1949Jun81.8°F80.0°F+1.9°RQC00664193
1949Jul82.6°F80.2°F+2.4°RQC00664193
1949Aug83.9°F80.8°F+3.2°RQC00664193
1949Sep82.9°F80.3°F+2.6°RQC00664193
1949Oct82.7°F79.4°F+3.3°RQC00664193
1949Nov82.4°F78.3°F+4.1°RQC00664193
1949Dec79.4°F75.1°F+4.4°RQC00664193
1950Jan77.2°F74.4°F+2.8°RQC00664193
1950Feb77.6°F75.3°F+2.3°RQC00664193
1950Mar78.3°F76.0°F+2.2°RQC00664193
1950Apr78.2°F77.9°F+0.4°RQC00664193
1950May79.6°F78.5°F+1.1°RQC00664193
1950Jun82.1°F80.0°F+2.1°RQC00664193
1950Jul83.0°F80.2°F+2.7°RQC00664193
1950Aug83.7°F80.8°F+2.9°RQC00664193
1950Sep83.1°F80.3°F+2.8°RQC00664193
1950Oct82.5°F79.4°F+3.0°RQC00664193
1950Nov81.3°F78.3°F+2.9°RQC00664193
1950Dec79.6°F75.1°F+4.5°RQC00664193
1951Jan77.5°F74.4°F+3.1°RQC00664193
1951Feb77.1°F75.3°F+1.8°RQC00664193
1951Mar76.9°F76.0°F+0.9°RQC00664193
1951Apr81.2°F77.9°F+3.3°RQC00664193
1951May82.5°F78.5°F+4.0°RQC00664193
1951Jun83.3°F80.0°F+3.4°RQC00664193
1951Jul82.6°F80.2°F+2.4°RQC00664193
1951Aug84.3°F80.8°F+3.6°RQC00664193
1951Sep83.4°F80.3°F+3.1°RQC00664193
1951Oct79.7°F79.4°F+0.3°RQW00011637
1951Nov78.3°F78.3°F+0.0°RQW00011637
1951Dec76.3°F75.1°F+1.2°RQW00011637
1952Jan79.2°F74.4°F+4.7°RQC00664193
1952Feb79.1°F75.3°F+3.8°RQC00664193
1952Mar73.4°F76.0°F-2.6°RQC00662634
1952Apr74.4°F77.9°F-3.5°RQC00662634
1952May76.2°F78.5°F-2.3°RQC00662634
1952Jun83.9°F80.0°F+4.0°RQC00664193
1952Jul81.6°F80.2°F+1.4°RQC00664193
1952Aug83.6°F80.8°F+2.9°RQC00664193
1952Sep81.9°F80.3°F+1.5°RQC00664193
1952Oct83.2°F79.4°F+3.8°RQC00664193
1952Nov82.0°F78.3°F+3.6°RQC00664193
1952Dec82.0°F75.1°F+6.9°RQC00664193
1953Jan78.7°F74.4°F+4.3°RQC00664193
1953Feb79.1°F75.3°F+3.8°RQC00664193
1953Mar79.1°F76.0°F+3.1°RQC00664193
1953Apr80.8°F77.9°F+2.9°RQC00664193
1953May82.0°F78.5°F+3.5°RQC00664193
1953Jun82.6°F80.0°F+2.6°RQC00664193
1953Jul83.1°F80.2°F+2.9°RQC00664193
1953Aug83.3°F80.8°F+2.6°RQC00664193
1953Sep84.3°F80.3°F+3.9°RQC00664193
1953Oct83.2°F79.4°F+3.7°RQC00664193
1953Nov82.8°F78.3°F+4.5°RQC00664193
1953Dec81.8°F75.1°F+6.7°RQC00664193
1954Jan79.6°F74.4°F+5.2°RQC00664193
1954Feb78.6°F75.3°F+3.3°RQC00664193
1954Mar79.7°F76.0°F+3.7°RQC00664193
1954Apr80.7°F77.9°F+2.8°RQC00664193
1954May82.2°F78.5°F+3.7°RQC00664193
1954Jun82.7°F80.0°F+2.7°RQC00664193
1954Jul82.8°F80.2°F+2.5°RQC00664193
1954Aug82.9°F80.8°F+2.2°RQC00664193
1954Sep81.6°F80.3°F+1.2°RQC00664193
1954Oct81.6°F79.4°F+2.1°RQC00664193
1954Nov80.7°F78.3°F+2.4°RQC00664193
1954Dec79.7°F75.1°F+4.6°RQC00664193
1955Jan78.7°F74.4°F+4.3°RQC00664193
1955Feb78.4°F75.3°F+3.1°RQC00664193
1955Mar78.2°F76.0°F+2.2°RQC00664193
1955Apr80.5°F77.9°F+2.6°RQC00664193
1955May82.4°F78.5°F+3.9°RQC00664193
1955Jun82.7°F80.0°F+2.7°RQC00664193
1955Jul83.2°F80.2°F+3.0°RQC00664193
1955Aug84.6°F80.8°F+3.9°RQC00664193
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1963Apr80.9°F77.9°F+3.0°RQC00664193
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1967Nov81.4°F78.3°F+3.0°RQC00664193
1967Dec68.9°F75.1°F-6.2°RQC00661901
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1968Feb76.9°F75.3°F+1.6°RQC00664193
1968Mar68.3°F76.0°F-7.7°RQC00661901
1968Apr79.1°F77.9°F+1.2°RQC00664193
1968May80.4°F78.5°F+1.9°RQC00664193
1968Jun80.0°F80.0°F+0.0°RQC00664193
1968Jul82.3°F80.2°F+2.1°RQC00664193
1968Aug82.6°F80.8°F+1.8°RQC00664193
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1968Oct82.8°F79.4°F+3.4°RQC00664193
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1968Dec79.8°F75.1°F+4.8°RQC00664193
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1969Mar79.4°F76.0°F+3.4°RQC00664193
1969Apr81.5°F77.9°F+3.6°RQC00664193
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1969Jun82.3°F80.0°F+2.3°RQC00664193
1969Jul82.3°F80.2°F+2.1°RQC00664193
1969Aug82.6°F80.8°F+1.8°RQC00664193
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1969Nov80.7°F78.3°F+2.4°RQC00664193
1969Dec78.2°F75.1°F+3.1°RQC00664193
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1970Apr80.7°F77.9°F+2.8°RQC00664193
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1970Nov80.0°F78.3°F+1.6°RQC00664193
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1971Apr78.5°F77.9°F+0.6°RQC00664193
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1973Dec78.3°F75.1°F+3.2°RQC00664193
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1974May80.3°F78.5°F+1.8°RQC00664193
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1974Dec71.0°F75.1°F-4.1°RQC00661901
1975Jan69.5°F74.4°F-4.9°RQC00661901
1975Feb69.9°F75.3°F-5.4°RQC00661901
1975Mar70.8°F76.0°F-5.3°RQC00661901
1975Apr72.5°F77.9°F-5.3°RQC00661901
1975May74.2°F78.5°F-4.3°RQC00661901
1975Jun76.8°F80.0°F-3.2°RQC00661901
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1975Sep81.0°F80.3°F+0.6°RQC00664193
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1976Jan68.8°F74.4°F-5.6°RQC00661901
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1976Mar69.7°F76.0°F-6.4°RQC00661901
1976Apr71.9°F77.9°F-6.0°RQC00661901
1976May74.4°F78.5°F-4.1°RQC00661901
1976Jun75.6°F80.0°F-4.4°RQC00661901
1976Jul76.6°F80.2°F-3.6°RQC00661901
1976Aug77.0°F80.8°F-3.8°RQC00661901
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1976Nov75.2°F78.3°F-3.2°RQC00661901
1976Dec71.8°F75.1°F-3.3°RQC00661901
1977Jan70.6°F74.4°F-3.8°RQC00661901
1977Feb71.1°F75.3°F-4.2°RQC00661901
1977Mar71.8°F76.0°F-4.2°RQC00661901
1977Apr72.9°F77.9°F-5.0°RQC00661901
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1977Jul77.4°F80.2°F-2.8°RQC00661901
1977Aug76.9°F80.8°F-3.9°RQC00661901
1977Sep76.2°F80.3°F-4.1°RQC00661901
1977Oct76.1°F79.4°F-3.3°RQC00661901
1977Nov74.9°F78.3°F-3.4°RQC00661901
1977Dec72.7°F75.1°F-2.4°RQC00661901
1978Jan70.9°F74.4°F-3.5°RQC00661901
1978Feb72.0°F75.3°F-3.3°RQC00661901
1978Mar73.2°F76.0°F-2.9°RQC00661901
1978Apr74.1°F77.9°F-3.8°RQC00661901
1978May75.9°F78.5°F-2.6°RQC00661901
1978Jun76.6°F80.0°F-3.3°RQC00661901
1978Jul77.1°F80.2°F-3.1°RQC00661901
1978Aug76.4°F80.8°F-4.4°RQC00661901
1978Sep76.6°F80.3°F-3.7°RQC00661901
1978Oct75.3°F79.4°F-4.1°RQC00661901
1978Nov73.6°F78.3°F-4.8°RQC00661901
1978Dec72.3°F75.1°F-2.8°RQC00661901
1979Jan70.3°F74.4°F-4.1°RQC00661901
1979Feb70.7°F75.3°F-4.6°RQC00661901
1979Mar78.7°F76.0°F+2.7°RQC00664193
1979Apr80.9°F77.9°F+3.0°RQC00664193
1979May79.5°F78.5°F+1.0°RQC00664193
1979Jun81.7°F80.0°F+1.8°RQC00664193
1979Jul77.4°F80.2°F-2.8°RQC00661901
1979Aug76.9°F80.8°F-3.8°RQC00661901
1979Sep82.3°F80.3°F+2.0°RQC00664193
1979Oct82.7°F79.4°F+3.2°RQC00664193
1979Nov82.2°F78.3°F+3.9°RQC00664193
1979Dec80.7°F75.1°F+5.7°RQC00664193
1980Jan79.4°F74.4°F+5.0°RQC00664193
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1980Mar80.1°F76.0°F+4.0°RQC00664193
1980Apr81.6°F77.9°F+3.7°RQC00664193
1980May77.0°F78.5°F-1.5°RQC00661901
1980Jun82.8°F80.0°F+2.9°RQC00664193
1980Jul82.6°F80.2°F+2.3°RQC00664193
1980Aug84.3°F80.8°F+3.5°RQC00664193
1980Sep84.5°F80.3°F+4.2°RQC00664193
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1980Nov82.4°F78.3°F+4.1°RQC00664193
1980Dec80.1°F75.1°F+5.0°RQC00664193
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1981Mar80.3°F76.0°F+4.3°RQC00664193
1981Apr81.6°F77.9°F+3.7°RQC00664193
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1981Jun81.3°F80.0°F+1.3°RQC00664193
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1981Aug83.7°F80.8°F+2.9°RQC00664193
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1981Nov82.1°F78.3°F+3.8°RQC00664193
1981Dec79.6°F75.1°F+4.5°RQC00664193
1982Jan69.9°F74.4°F-4.5°RQC00661901
1982Feb78.4°F75.3°F+3.1°RQC00664193
1982Mar78.2°F76.0°F+2.1°RQC00664193
1982Apr80.3°F77.9°F+2.4°RQC00664193
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1982Jun82.5°F80.0°F+2.6°RQC00664193
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1982Aug82.2°F80.8°F+1.4°RQC00664193
1982Sep82.0°F80.3°F+1.6°RQC00664193
1982Oct81.0°F79.4°F+1.6°RQC00664193
1982Nov80.7°F78.3°F+2.4°RQC00664193
1982Dec78.4°F75.1°F+3.3°RQC00664193
1983Jan71.7°F74.4°F-2.7°RQC00661901
1983Feb79.2°F75.3°F+3.9°RQC00664193
1983Mar81.2°F76.0°F+5.2°RQC00664193
1983Apr80.8°F77.9°F+2.9°RQC00664193
1983May82.3°F78.5°F+3.8°RQC00664193
1983Jun78.0°F80.0°F-1.9°RQC00661901
1983Jul83.2°F80.2°F+2.9°RQC00664193
1983Aug83.0°F80.8°F+2.2°RQC00664193
1983Sep83.5°F80.3°F+3.2°RQC00664193
1983Oct83.2°F79.4°F+3.8°RQC00664193
1983Nov81.4°F78.3°F+3.1°RQC00664193
1983Dec80.4°F75.1°F+5.3°RQC00664193
1984Jan79.3°F74.4°F+4.9°RQC00664193
1984Feb79.3°F75.3°F+4.0°RQC00664193
1984Mar79.6°F76.0°F+3.6°RQC00664193
1984Apr81.2°F77.9°F+3.3°RQC00664193
1984May81.3°F78.5°F+2.8°RQC00664193
1984Jun81.9°F80.0°F+1.9°RQC00664193
1984Jul82.5°F80.2°F+2.3°RQC00664193
1984Aug84.0°F80.8°F+3.3°RQC00664193
1984Sep81.6°F80.3°F+1.3°RQC00664193
1984Oct81.7°F79.4°F+2.2°RQC00664193
1984Nov79.8°F78.3°F+1.5°RQC00664193
1984Dec71.7°F75.1°F-3.4°RQC00661901
1985Jan77.3°F74.4°F+2.9°RQC00664193
1985Feb70.4°F75.3°F-4.9°RQC00661901
1985Mar78.7°F76.0°F+2.7°RQC00664193
1985Apr73.6°F77.9°F-4.3°RQC00660152
1985May75.8°F78.5°F-2.7°RQC00660152
1985Jun77.0°F80.0°F-2.9°RQC00661901
1985Jul79.3°F80.2°F-0.9°RQC00660152
1985Aug78.0°F80.8°F-2.7°RQC00661901
1985Sep76.8°F80.3°F-3.5°RQC00661901
1985Oct75.0°F79.4°F-4.4°RQC00661901
1985Nov75.5°F78.3°F-2.8°RQC00660152
1985Dec71.9°F75.1°F-3.2°RQC00661901
1986Jan72.6°F74.4°F-1.8°RQC00660152
1986Feb70.1°F75.3°F-5.2°RQC00661901
1986Mar77.1°F76.0°F+1.1°RQC00664193
1986Apr77.9°F77.9°F+0.0°RQC00664193
1986May74.8°F78.5°F-3.7°RQC00661901
1986Jun76.5°F80.0°F-3.5°RQC00661901
1986Jul77.6°F80.2°F-2.6°RQC00661901
1986Aug78.8°F80.8°F-1.9°RQC00660736
1986Sep76.7°F80.3°F-3.7°RQC00661901
1986Oct76.2°F79.4°F-3.3°RQC00661901
1986Nov74.6°F78.3°F-3.8°RQC00661901
1986Dec72.4°F75.1°F-2.7°RQC00661901
1987Jan71.1°F74.4°F-3.4°RQC00661901
1987Feb71.5°F75.3°F-3.8°RQC00661901
1987Mar72.2°F76.0°F-3.8°RQC00661901
1987Apr75.7°F77.9°F-2.2°RQC00661901
1987May76.6°F78.5°F-1.9°RQC00661901
1987Jun77.9°F80.0°F-2.1°RQC00661901
1987Jul78.2°F80.2°F-2.0°RQC00661901
1987Aug79.0°F80.8°F-1.8°RQC00661901
1987Sep78.3°F80.3°F-2.1°RQC00661901
1987Oct77.1°F79.4°F-2.3°RQC00661901
1987Nov75.5°F78.3°F-2.8°RQC00661901
1987Dec74.1°F75.1°F-1.0°RQC00661901
1988Jan71.3°F74.4°F-3.1°RQC00661901
1988Feb71.8°F75.3°F-3.5°RQC00661901
1988Mar71.3°F76.0°F-4.7°RQC00661901
1988Apr80.1°F77.9°F+2.2°RQC00664193
1988May76.5°F78.5°F-2.0°RQC00661901
1988Jun78.5°F80.0°F-1.4°RQC00661901
1988Jul78.2°F80.2°F-2.1°RQC00661901
1988Aug77.5°F80.8°F-3.3°RQC00661901
1988Sep77.2°F80.3°F-3.1°RQC00661901
1988Oct76.8°F79.4°F-2.6°RQC00661901
1988Nov74.5°F78.3°F-3.8°RQC00661901
1988Dec71.1°F75.1°F-4.0°RQC00661901
1989Jan70.7°F74.4°F-3.7°RQC00661901
1989Feb70.8°F75.3°F-4.5°RQC00661901
1989Mar71.0°F76.0°F-5.0°RQC00661901
1989Apr72.8°F77.9°F-5.1°RQC00661901
1989May75.2°F78.5°F-3.3°RQC00661901
1989Jun76.7°F80.0°F-3.2°RQC00661901
1989Jul78.6°F80.2°F-1.6°RQC00661901
1989Aug78.3°F80.8°F-2.5°RQC00661901
1989Sep76.2°F80.3°F-4.1°RQC00660152
1989Oct75.8°F79.4°F-3.6°RQC00660152
1989Nov75.1°F78.3°F-3.2°RQC00661901
1989Dec72.6°F75.1°F-2.5°RQC00661901
1990Jan72.3°F74.4°F-2.1°RQC00661901
1990Feb71.0°F75.3°F-4.3°RQC00661901
1990Mar72.2°F76.0°F-3.9°RQC00661901
1990Apr74.1°F77.9°F-3.8°RQC00661901
1990May77.4°F78.5°F-1.1°RQC00661901
1990Jun79.1°F80.0°F-0.8°RQC00661901
1990Jul78.4°F80.2°F-1.8°RQC00661901
1990Aug79.0°F80.8°F-1.8°RQC00661901
1990Sep78.7°F80.3°F-1.7°RQC00661901
1990Oct77.5°F79.4°F-1.9°RQC00661901
1990Nov76.1°F78.3°F-2.2°RQC00661901
1990Dec71.9°F75.1°F-3.2°RQC00661901
1991Jan72.1°F74.4°F-2.4°RQC00661901
1991Feb72.0°F75.3°F-3.3°RQC00661901
1991Mar72.9°F76.0°F-3.1°RQC00661901
1991Apr74.5°F77.9°F-3.4°RQC00661901
1991May76.6°F78.5°F-1.9°RQC00661901
1991Jun79.0°F80.0°F-1.0°RQC00661901
1991Jul78.3°F80.2°F-1.9°RQC00661901
1991Aug78.7°F80.8°F-2.0°RQC00661901
1991Sep78.0°F80.3°F-2.4°RQC00661901
1991Oct76.3°F79.4°F-3.1°RQC00661901
1991Nov74.4°F78.3°F-3.9°RQC00661901
1991Dec69.3°F75.1°F-5.8°RQC00661901
1992Jan71.0°F74.4°F-3.4°RQC00661901
1992Feb72.1°F75.3°F-3.2°RQC00661901
1992Mar72.9°F76.0°F-3.1°RQC00661901
1992Apr74.9°F77.9°F-3.0°RQC00661901
1992May75.7°F78.5°F-2.8°RQC00661901
1992Jun77.9°F80.0°F-2.0°RQC00661901
1992Jul78.4°F80.2°F-1.8°RQC00661901
1992Aug78.0°F80.8°F-2.8°RQC00661901
1992Sep77.6°F80.3°F-2.8°RQC00661901
1992Oct76.8°F79.4°F-2.7°RQC00661901
1992Nov74.7°F78.3°F-3.7°RQC00661901
1992Dec72.6°F75.1°F-2.5°RQC00661901
1993Jan71.7°F74.4°F-2.7°RQC00661901
1993Feb70.8°F75.3°F-4.5°RQC00661901
1993Mar71.9°F76.0°F-4.2°RQC00661901
1993Apr75.0°F77.9°F-2.9°RQC00661901
1993May76.1°F78.5°F-2.4°RQC00661901
1993Jun77.5°F80.0°F-2.4°RQC00661901
1993Jul77.0°F80.2°F-3.2°RQC00661901
1993Aug77.9°F80.8°F-2.8°RQC00661901
1993Sep77.0°F80.3°F-3.3°RQC00661901
1993Oct82.3°F79.4°F+2.8°RQC00664193
1993Nov80.6°F78.3°F+2.2°RQC00664193
1993Dec79.4°F75.1°F+4.3°RQC00664193
1994Jan78.7°F74.4°F+4.3°RQC00664193
1994Feb78.2°F75.3°F+2.9°RQC00664193
1994Mar78.2°F76.0°F+2.1°RQC00664193
1994Apr79.8°F77.9°F+2.0°RQC00664193
1994May80.8°F78.5°F+2.3°RQC00664193
1994Jun81.6°F80.0°F+1.7°RQC00664193
1994Jul82.6°F80.2°F+2.4°RQC00664193
1994Aug83.0°F80.8°F+2.3°RQC00664193
1994Sep81.4°F80.3°F+1.0°RQC00664193
1994Oct81.2°F79.4°F+1.8°RQC00664193
1994Nov80.2°F78.3°F+1.8°RQC00664193
1994Dec78.9°F75.1°F+3.8°RQC00664193
1995Jan78.5°F74.4°F+4.1°RQC00664193
1995Feb78.3°F75.3°F+3.0°RQC00664193
1995Mar77.3°F76.0°F+1.3°RQC00664193
1995Apr79.9°F77.9°F+2.0°RQC00664193
1995May82.0°F78.5°F+3.5°RQC00664193
1995Jun82.5°F80.0°F+2.5°RQC00664193
1995Jul83.5°F80.2°F+3.2°RQC00664193
1995Aug83.4°F80.8°F+2.6°RQC00664193
1995Sep82.4°F80.3°F+2.1°RQC00664193
1995Oct81.7°F79.4°F+2.3°RQC00664193
1995Nov81.7°F78.3°F+3.4°RQC00664193
1995Dec79.6°F75.1°F+4.5°RQC00664193
1996Jan78.1°F74.4°F+3.7°RQC00664193
1996Feb77.5°F75.3°F+2.2°RQC00664193
1996Mar78.3°F76.0°F+2.3°RQC00664193
1996Apr79.4°F77.9°F+1.5°RQC00664193
1996May80.8°F78.5°F+2.3°RQC00664193
1996Jun81.0°F80.0°F+1.0°RQC00664193
1996Jul82.2°F80.2°F+2.0°RQC00664193
1996Aug82.0°F80.8°F+1.3°RQC00664193
1996Sep82.0°F80.3°F+1.6°RQC00664193
1996Oct81.8°F79.4°F+2.4°RQC00664193
1996Nov80.4°F78.3°F+2.1°RQC00664193
1996Dec78.4°F75.1°F+3.3°RQC00664193
1997Jan78.3°F74.4°F+3.9°RQC00664193
1997Feb78.0°F75.3°F+2.7°RQC00664193
1997Mar78.0°F76.0°F+1.9°RQC00664193
1997Apr78.8°F77.9°F+0.9°RQC00664193
1997May81.2°F78.5°F+2.7°RQC00664193
1997Jun83.2°F80.0°F+3.2°RQC00664193
1997Jul83.1°F80.2°F+2.9°RQC00664193
1997Aug83.1°F80.8°F+2.3°RQC00664193
1997Sep83.2°F80.3°F+2.9°RQC00664193
1997Oct81.5°F79.4°F+2.1°RQC00664193
1997Nov81.1°F78.3°F+2.7°RQC00664193
1997Dec80.4°F75.1°F+5.3°RQC00664193
1998Jan78.2°F74.4°F+3.7°RQC00664193
1998Feb78.2°F75.3°F+2.9°RQC00664193
1998Mar78.5°F76.0°F+2.5°RQC00664193
1998Apr79.8°F77.9°F+1.9°RQC00664193
1998May81.9°F78.5°F+3.4°RQC00664193
1998Jun83.7°F80.0°F+3.8°RQC00664193
1998Jul83.6°F80.2°F+3.4°RQC00664193
1998Aug84.0°F80.8°F+3.3°RQC00664193
1998Sep81.1°F80.3°F+0.8°RQC00664276
1998Oct82.1°F79.4°F+2.7°RQC00664193
1998Nov80.7°F78.3°F+2.3°RQC00664193
1998Dec79.3°F75.1°F+4.2°RQC00664193
1999Jan77.8°F74.4°F+3.3°RQC00664193
1999Feb75.6°F75.3°F+0.3°RQC00664193
1999Mar78.0°F76.0°F+2.0°RQC00664193
1999Apr79.5°F77.9°F+1.6°RQC00664193
1999May82.3°F78.5°F+3.8°RQC00664193
1999Jun82.6°F80.0°F+2.6°RQC00664193
1999Jul82.5°F80.2°F+2.3°RQC00664193
1999Aug83.3°F80.8°F+2.5°RQC00664193
1999Sep77.2°F80.3°F-3.2°RQC00661901
1999Oct76.1°F79.4°F-3.3°RQC00661901
1999Nov80.0°F78.3°F+1.7°RQC00664193
1999Dec78.2°F75.1°F+3.1°RQC00664193
2000Jan76.7°F74.4°F+2.3°RQC00664193
2000Feb77.5°F75.3°F+2.2°RQC00664193
2000Mar76.5°F76.0°F+0.4°RQC00664193
2000Apr80.0°F77.9°F+2.1°RQC00664193
2000May81.2°F78.5°F+2.7°RQC00664193
2000Jun83.6°F80.0°F+3.6°RQC00664193
2000Jul84.4°F80.2°F+4.2°RQC00664193
2000Aug83.8°F80.8°F+3.1°RQC00664193
2000Sep83.2°F80.3°F+2.9°RQC00664193
2000Oct82.3°F79.4°F+2.9°RQC00664193
2000Nov81.3°F78.3°F+2.9°RQC00664193
2000Dec79.9°F75.1°F+4.8°RQC00664193
2001Jan78.0°F74.4°F+3.6°RQC00664193
2001Feb77.9°F75.3°F+2.6°RQC00664193
2001Mar78.5°F76.0°F+2.5°RQC00664193
2001Apr79.5°F77.9°F+1.6°RQC00664193
2001May81.1°F78.5°F+2.6°RQC00664193
2001Jun83.1°F80.0°F+3.2°RQC00664193
2001Jul83.4°F80.2°F+3.2°RQC00664193
2001Aug83.4°F80.8°F+2.7°RQC00664193
2001Sep83.5°F80.3°F+3.1°RQC00664193
2001Oct82.6°F79.4°F+3.2°RQC00664193
2001Nov80.0°F78.3°F+1.6°RQC00664193
2001Dec79.9°F75.1°F+4.8°RQC00664193
2002Jan79.3°F74.4°F+4.8°RQC00664193
2002Feb78.2°F75.3°F+2.9°RQC00664193
2002Mar79.8°F76.0°F+3.8°RQC00664193
2002Apr79.4°F77.9°F+1.5°RQC00664193
2002May82.1°F78.5°F+3.6°RQC00664193
2002Jun82.0°F80.0°F+2.0°RQC00664193
2002Jul83.2°F80.2°F+3.0°RQC00664193
2002Aug83.3°F80.8°F+2.5°RQC00664193
2002Sep83.1°F80.3°F+2.8°RQC00664193
2002Oct83.1°F79.4°F+3.7°RQC00664193
2002Nov81.6°F78.3°F+3.3°RQC00664193
2002Dec79.6°F75.1°F+4.5°RQC00664193
2003Jan79.2°F74.4°F+4.8°RQC00664193
2003Feb79.4°F75.3°F+4.1°RQC00664193
2003Mar79.6°F76.0°F+3.6°RQC00664193
2003Apr79.4°F77.9°F+1.5°RQC00664193
2003May81.6°F78.5°F+3.1°RQC00664193
2003Jun82.6°F80.0°F+2.6°RQC00664193
2003Jul83.3°F80.2°F+3.1°RQC00664193
2003Aug83.0°F80.8°F+2.3°RQC00664193
2003Sep83.3°F80.3°F+3.0°RQC00664193
2003Oct82.7°F79.4°F+3.2°RQC00664193
2003Nov80.4°F78.3°F+2.1°RQC00664193
2003Dec79.3°F75.1°F+4.2°RQC00664193
2004Jan76.9°F74.4°F+2.4°RQC00664193
2004Feb78.4°F75.3°F+3.1°RQC00664193
2004Mar78.3°F76.0°F+2.3°RQC00664193
2004Apr80.0°F77.9°F+2.1°RQC00664193
2004May80.8°F78.5°F+2.3°RQC00664193
2004Jun83.0°F80.0°F+3.1°RQC00664193
2004Jul83.2°F80.2°F+3.0°RQC00664193
2004Aug83.6°F80.8°F+2.9°RQC00664193
2004Sep82.4°F80.3°F+2.1°RQC00664193
2004Oct82.7°F79.4°F+3.2°RQC00664193
2004Nov80.1°F78.3°F+1.8°RQC00664193
2004Dec79.8°F75.1°F+4.7°RQC00664193
2005Jan77.8°F74.4°F+3.4°RQC00664193
2005Feb76.1°F75.3°F+0.8°RQC00664193
2005Mar75.0°F76.0°F-1.0°RQC00660158
2005Apr81.7°F77.9°F+3.8°RQC00664193
2005May82.3°F78.5°F+3.8°RQC00664193
2005Jun83.1°F80.0°F+3.1°RQC00664193
2005Jul83.3°F80.2°F+3.1°RQC00664193
2005Aug83.5°F80.8°F+2.7°RQC00664193
2005Sep84.6°F80.3°F+4.2°RQC00664193
2005Oct81.8°F79.4°F+2.3°RQC00664193
2005Nov81.1°F78.3°F+2.8°RQC00664193
2005Dec79.1°F75.1°F+4.0°RQC00664193
2006Jan78.1°F74.4°F+3.7°RQC00664193
2006Feb78.1°F75.3°F+2.8°RQC00664193
2006Mar78.5°F76.0°F+2.5°RQC00664193
2006Apr80.0°F77.9°F+2.2°RQC00664193
2006May82.2°F78.5°F+3.7°RQC00664193
2006Jun82.7°F80.0°F+2.7°RQC00664193
2006Jul82.3°F80.2°F+2.0°RQC00664193
2006Aug83.1°F80.8°F+2.3°RQC00664193
2006Sep83.5°F80.3°F+3.2°RQC00664193
2006Oct82.6°F79.4°F+3.2°RQC00664193
2006Nov81.7°F78.3°F+3.4°RQC00664193
2006Dec80.7°F75.1°F+5.6°RQC00664193
2007Jan78.9°F74.4°F+4.4°RQC00664193
2007Feb79.3°F75.3°F+4.0°RQC00664193
2007Mar80.6°F76.0°F+4.6°RQC00664193
2007Apr80.6°F77.9°F+2.7°RQC00664193
2007May82.1°F78.5°F+3.6°RQC00664193
2007Jun82.6°F80.0°F+2.6°RQC00664193
2007Jul83.3°F80.2°F+3.1°RQC00664193
2007Aug83.5°F80.8°F+2.7°RQC00664193
2007Sep83.1°F80.3°F+2.8°RQC00664193
2007Oct81.6°F79.4°F+2.2°RQC00664193
2007Nov80.8°F78.3°F+2.5°RQC00664193
2007Dec79.2°F75.1°F+4.1°RQC00664193
2008Jan77.1°F74.4°F+2.7°RQC00664193
2008Feb77.7°F75.3°F+2.4°RQC00664193
2008Mar78.0°F76.0°F+1.9°RQC00664193
2008Apr79.0°F77.9°F+1.1°RQC00664193
2008May80.9°F78.5°F+2.4°RQC00664193
2008Jun83.2°F80.0°F+3.3°RQC00664193
2008Jul84.8°F80.2°F+4.6°RQC00664193
2008Aug83.8°F80.8°F+3.0°RQC00664193
2008Sep81.4°F80.3°F+1.1°RQC00664193
2008Oct81.4°F79.4°F+2.0°RQC00664193
2008Nov80.4°F78.3°F+2.1°RQC00664193
2008Dec78.5°F75.1°F+3.4°RQC00664193
2009Jan78.7°F74.4°F+4.3°RQC00664193
2009Feb78.1°F75.3°F+2.8°RQC00664193
2009Mar77.3°F76.0°F+1.3°RQC00664193
2009Apr79.9°F77.9°F+2.0°RQC00664193
2009May80.9°F78.5°F+2.4°RQC00664193
2009Jun81.4°F80.0°F+1.5°RQC00664193
2009Jul84.2°F80.2°F+4.0°RQC00664193
2009Aug84.3°F80.8°F+3.5°RQC00664193
2009Sep83.4°F80.3°F+3.0°RQC00664193
2009Oct83.2°F79.4°F+3.7°RQC00664193
2009Nov82.4°F78.3°F+4.0°RQC00664193
2009Dec81.2°F75.1°F+6.1°RQC00664193
2010Jan79.5°F74.4°F+5.1°RQC00664193
2010Feb79.8°F75.3°F+4.5°RQC00664193
2010Mar81.2°F76.0°F+5.2°RQC00664193
2010Apr81.6°F77.9°F+3.7°RQC00664193
2010May82.5°F78.5°F+4.0°RQC00664193
2010Jun83.0°F80.0°F+3.1°RQC00664193
2010Jul83.9°F80.2°F+3.7°RQC00664193
2010Aug84.3°F80.8°F+3.6°RQC00664193
2010Sep83.9°F80.3°F+3.6°RQC00664193
2010Oct82.9°F79.4°F+3.5°RQC00664193
2010Nov80.7°F78.3°F+2.4°RQC00664193
2010Dec78.2°F75.1°F+3.1°RQC00664193
2011Jan79.5°F74.4°F+5.1°RQC00664193
2011Feb79.1°F75.3°F+3.8°RQC00664193
2011Mar78.7°F76.0°F+2.7°RQC00664193
2011Apr79.6°F77.9°F+1.7°RQC00664193
2011May80.3°F78.5°F+1.8°RQC00664193
2011Jun83.3°F80.0°F+3.3°RQC00664193
2011Jul82.4°F80.2°F+2.2°RQC00664193
2011Aug83.0°F80.8°F+2.3°RQC00664193
2011Sep83.0°F80.3°F+2.6°RQC00664193
2011Oct82.9°F79.4°F+3.4°RQC00664193
2011Nov81.7°F78.3°F+3.3°RQC00664193
2011Dec79.6°F75.1°F+4.5°RQC00664193
2012Jan78.9°F74.4°F+4.5°RQC00664193
2012Feb78.7°F75.3°F+3.4°RQC00664193
2012Mar79.0°F76.0°F+3.0°RQC00664193
2012Apr79.6°F77.9°F+1.8°RQC00664193
2012May81.4°F78.5°F+2.9°RQC00664193
2012Jun83.8°F80.0°F+3.8°RQC00664193
2012Jul83.8°F80.2°F+3.6°RQC00664193
2012Aug83.1°F80.8°F+2.4°RQC00664193
2012Sep83.8°F80.3°F+3.5°RQC00664193
2012Oct83.6°F79.4°F+4.2°RQC00664193
2012Nov82.9°F78.3°F+4.5°RQC00664193
2012Dec80.3°F75.1°F+5.2°RQC00664193
2013Jan79.4°F74.4°F+4.9°RQC00664193
2013Feb78.8°F75.3°F+3.5°RQC00664193
2013Mar78.8°F76.0°F+2.8°RQC00664193
2013Apr80.0°F77.9°F+2.1°RQC00664193
2013May82.0°F78.5°F+3.5°RQC00664193
2013Jun83.1°F80.0°F+3.1°RQC00664193
2013Jul83.0°F80.2°F+2.8°RQC00664193
2013Aug84.1°F80.8°F+3.3°RQC00664193
2013Sep83.4°F80.3°F+3.1°RQC00664193
2013Oct83.0°F79.4°F+3.5°RQC00664193
2013Nov81.8°F78.3°F+3.4°RQC00664193
2013Dec79.6°F75.1°F+4.5°RQC00664193
2014Jan79.3°F74.4°F+4.9°RQC00664193
2014Feb79.4°F75.3°F+4.1°RQC00664193
2014Mar78.9°F76.0°F+2.9°RQC00664193
2014Apr80.6°F77.9°F+2.7°RQC00664193
2014May81.0°F78.5°F+2.5°RQC00664193
2014Jun83.7°F80.0°F+3.8°RQC00664193
2014Jul84.1°F80.2°F+3.9°RQC00664193
2014Aug83.8°F80.8°F+3.0°RQC00664193
2014Sep83.0°F80.3°F+2.7°RQC00664193
2014Oct83.6°F79.4°F+4.1°RQC00664193
2014Nov81.8°F78.3°F+3.4°RQC00664193
2014Dec79.9°F75.1°F+4.8°RQC00664193
2015Jan80.1°F74.4°F+5.7°RQC00664193
2015Feb80.7°F75.3°F+5.4°RQC00664193
2015Mar80.1°F76.0°F+4.1°RQC00664193
2015Apr81.7°F77.9°F+3.8°RQC00664193
2015May83.8°F78.5°F+5.3°RQC00664193
2015Jun85.4°F80.0°F+5.4°RQC00664193
2015Jul84.0°F80.2°F+3.8°RQC00664193
2015Aug84.5°F80.8°F+3.8°RQC00664193
2015Sep84.7°F80.3°F+4.3°RQC00664193
2015Oct84.7°F79.4°F+5.3°RQC00664193
2015Nov80.9°F78.3°F+2.5°RQC00664193
2015Dec82.1°F75.1°F+7.0°RQC00664193
2016Jan79.8°F74.4°F+5.4°RQC00664193
2016Feb79.9°F75.3°F+4.6°RQC00664193
2016Mar80.2°F76.0°F+4.2°RQC00664193
2016Apr80.8°F77.9°F+2.9°RQC00664193
2016May82.5°F78.5°F+4.0°RQC00664193
2016Jun83.7°F80.0°F+3.7°RQC00664193
2016Jul85.5°F80.2°F+5.3°RQC00664193
2016Aug85.4°F80.8°F+4.6°RQC00664193
2016Sep78.1°F80.3°F-2.3°RQC00660158
2016Oct77.1°F79.4°F-2.3°RQC00660158
2016Nov74.9°F78.3°F-3.4°RQC00660158
2016Dec73.5°F75.1°F-1.6°RQC00660158
2017Jan78.9°F74.4°F+4.5°RQC00664193
2017Feb79.4°F75.3°F+4.1°RQC00664193
2017Mar79.8°F76.0°F+3.8°RQC00664193
2017Apr81.2°F77.9°F+3.3°RQC00664193
2017May82.9°F78.5°F+4.4°RQC00664193
2017Jun83.8°F80.0°F+3.9°RQC00664193
2017Jul85.0°F80.2°F+4.7°RQC00664193
2017Aug85.7°F80.8°F+4.9°RQC00664193
2017Dec81.1°F75.1°F+6.0°RQC00664193
2018Jan80.2°F74.4°F+5.8°RQC00664193
2018Feb79.2°F75.3°F+3.9°RQC00664193
2018Mar70.5°F76.0°F-5.5°RQC00660158
2018Apr82.3°F77.9°F+4.4°RQC00664193
2018May73.0°F78.5°F-5.5°RQC00660158
2018Jun83.2°F80.0°F+3.3°RQC00664193
2018Jul83.9°F80.2°F+3.7°RQC00664193
2018Aug83.7°F80.8°F+3.0°RQC00664193
2018Sep77.1°F80.3°F-3.2°RQC00660158
2018Oct74.3°F79.4°F-5.1°RQC00660158
2018Nov72.8°F78.3°F-5.5°RQC00660158
2018Dec70.5°F75.1°F-4.6°RQC00660158
2019Jan78.2°F74.4°F+3.7°RQC00664193
2019Feb78.7°F75.3°F+3.4°RQC00664193
2019Mar79.5°F76.0°F+3.5°RQC00664193
2019Apr80.1°F77.9°F+2.2°RQC00664193
2019May80.8°F78.5°F+2.3°RQC00664193
2019Jun83.3°F80.0°F+3.3°RQC00664193
2019Jul84.9°F80.2°F+4.7°RQC00664193
2019Aug83.9°F80.8°F+3.1°RQC00664193
2019Sep84.1°F80.3°F+3.8°RQC00664193
2019Oct83.4°F79.4°F+4.0°RQC00664193
2019Nov82.3°F78.3°F+3.9°RQC00664193
2019Dec81.3°F75.1°F+6.2°RQC00664193
2020Jan79.1°F74.4°F+4.7°RQC00664193
2020Feb79.6°F75.3°F+4.3°RQC00664193
2020Mar79.9°F76.0°F+3.8°RQC00664193
2020Apr82.0°F77.9°F+4.1°RQC00664193
2020May83.2°F78.5°F+4.7°RQC00664193
2020Jun85.0°F80.0°F+5.1°RQC00664193
2020Jul85.0°F80.2°F+4.8°RQC00664193
2020Aug85.4°F80.8°F+4.7°RQC00664193
2020Sep77.3°F80.3°F-3.1°RQC00660158
2020Oct76.9°F79.4°F-2.5°RQC00660158
2020Nov74.9°F78.3°F-3.4°RQC00660158
2020Dec72.9°F75.1°F-2.2°RQC00660158
2021Jan74.8°F74.4°F+0.4°RQC00669521
2021Feb71.9°F75.3°F-3.4°RQC00660158
2021Mar72.4°F76.0°F-3.6°RQC00660158
2021Apr73.8°F77.9°F-4.1°RQC00660158
2021May76.3°F78.5°F-2.2°RQC00660158
2021Jun76.2°F80.0°F-3.7°RQC00660158
2021Jul77.4°F80.2°F-2.8°RQC00660158
2021Aug80.2°F80.8°F-0.5°RQC00660158
2021Sep78.5°F80.3°F-1.8°RQC00660158
2021Oct77.2°F79.4°F-2.2°RQC00660158
2021Nov75.2°F78.3°F-3.2°RQC00660158
2021Dec73.2°F75.1°F-1.9°RQC00660158
2022Jan70.9°F74.4°F-3.6°RQC00660158
2022Feb71.6°F75.3°F-3.7°RQC00660158
2022Mar72.8°F76.0°F-3.2°RQC00660158
2022Apr73.3°F77.9°F-4.6°RQC00660158
2022May76.2°F78.5°F-2.3°RQC00660158
2022Jun78.1°F80.0°F-1.9°RQC00660158
2022Jul77.4°F80.2°F-2.8°RQC00660158
2022Aug80.4°F80.8°F-0.4°RQC00660158
2022Sep77.6°F80.3°F-2.8°RQC00660158
2022Oct78.2°F79.4°F-1.2°RQC00660158
2022Nov76.1°F78.3°F-2.2°RQC00660158
2022Dec73.7°F75.1°F-1.4°RQC00660158
2023Jan73.3°F74.4°F-1.1°RQC00660158
2023Feb78.3°F75.3°F+3.0°RQC00664193
2023Mar78.1°F76.0°F+2.1°RQC00664193
2023Apr78.5°F77.9°F+0.6°RQC00664193
2023May81.0°F78.5°F+2.5°RQC00664193
2023Jun83.5°F80.0°F+3.5°RQC00664193
2023Jul83.8°F80.2°F+3.6°RQC00664193
2023Aug83.8°F80.8°F+3.1°RQC00664193
2023Sep83.6°F80.3°F+3.3°RQC00664193
2023Oct82.6°F79.4°F+3.2°RQC00664193
2023Nov81.0°F78.3°F+2.6°RQC00664193
2023Dec78.6°F75.1°F+3.5°RQC00664193
2024Jan78.9°F74.4°F+4.4°RQC00664193
2024Feb77.4°F75.3°F+2.1°RQC00664193
2024Mar79.2°F76.0°F+3.2°RQC00664193
2024Apr80.1°F77.9°F+2.2°RQC00664193
2024May82.0°F78.5°F+3.5°RQC00664193
2024Jun83.5°F80.0°F+3.5°RQC00664193
2024Jul84.1°F80.2°F+3.9°RQC00664193
2024Aug84.3°F80.8°F+3.5°RQC00664193
2024Sep84.3°F80.3°F+3.9°RQC00664193
2024Oct83.1°F79.4°F+3.7°RQC00664193
2024Nov80.1°F78.3°F+1.8°RQC00664193
2024Dec79.1°F75.1°F+4.0°RQC00664193
2025Jan78.3°F74.4°F+3.9°RQC00664193
2025Feb79.1°F75.3°F+3.8°RQC00664193
2025Mar78.1°F76.0°F+2.0°RQC00664193
2025Apr79.3°F77.9°F+1.4°RQC00664193
2025May81.0°F78.5°F+2.5°RQC00664193
2025Jun83.4°F80.0°F+3.4°RQC00664193
2025Jul83.7°F80.2°F+3.5°RQC00664193
2025Aug84.0°F80.8°F+3.2°RQC00664193
2025Sep82.0°F80.3°F+1.7°RQC00664193
2025Oct81.4°F79.4°F+2.0°RQC00664193
2025Nov80.7°F78.3°F+2.4°RQC00664193
2025Dec79.1°F75.1°F+4.0°RQC00664193
2026Jan78.0°F74.4°F+3.6°RQC00664193

Showing 1,150 of 1,150 records. = gap-filled data

This table shows raw (unsmoothed) monthly anomalies. The spiral applies a 12-month moving average to highlight long-term trends.

Methodology

Methodology How we calculate anomalies

1. Data Acquisition

We query NOAA's Global Summary of the Month (GSOM) database for the closest weather station with good historical coverage, starting from 1930.

Temperature metric: Monthly average temperature (TAVG). When TAVG is unavailable, we use (TMAX + TMIN) / 2 as a proxy.

2. Gap Filling

Some months may have missing data. We fill gaps using data from nearby weather stations (within ~200km).

256

Initial gaps

242

Filled

14

Unfillable

Fill stations: AIBONITO 1 S, PR US, PONCE SANTA ISABEL, PR US, BARRANQUITAS, PR US, CIDRA 1 E, PR US, CAYEY 1 E, PR US, TRUJILLO ALTO 2 SSW, PR US, AGUIRRE, PR US, GURABO SUBSTATION, PR US, AGUIRRE, PR US

3. Baseline Calculation

The baseline is a 25-year window dynamically centered on the data's midpoint, requiring at least 90% coverage. If coverage is insufficient, the window shifts forward in 5-year increments until the threshold is met.

Period: 1966 – 1991 (100% coverage)

MonthBaselineYears
January74.4°F26/26
February75.3°F26/26
March76.0°F26/26
April77.9°F26/26
May78.5°F26/26
June80.0°F26/26
July80.2°F26/26
August80.8°F26/26
September80.3°F26/26
October79.4°F26/26
November78.3°F26/26
December75.1°F26/26

4. Anomaly Calculation

For each month, we calculate how far it deviates from the baseline. These are raw monthly anomalies.

Anomaly = Actual Temperature − Baseline[month]

5. Smoothing

The spiral visualization applies a 12-month centered moving average to reduce month-to-month noise and highlight multi-year warming trends. The spiral shows smoothed values, not raw anomalies.

6. Reading the Visualizations

Spiral: A 3D helix where each loop represents one year. The radius indicates the smoothed temperature anomaly, and colors range from blue (cold) to red (warm). The top view shows the annual cycle, while the side view shows time progression.

Stripes: Each stripe represents one year's average anomaly (the mean of all monthly anomalies for that year). No additional smoothing is applied; yearly aggregation naturally reduces noise.

Color scale: Color bounds are set to the 5th and 95th percentile of anomalies to avoid outlier washout, with a neutral zone of approximately ±0.1°C.

7. Data Quality Notes

Time of Observation Bias (TOBS)

Early cooperative weather stations typically read their min/max thermometers in the afternoon. This meant a single hot afternoon's peak temperature could be counted in two consecutive daily readings, inflating monthly maximums.

Between the 1950s and 1980s, most stations switched to morning or midnight observation times. This eliminated the warm bias but introduced a slight cool bias during the transition.

As a result, early decades in our data may read slightly warmer than they actually were, and the transition period may show an artificial cooling dip. Neither reflects actual temperature change. We use raw GSOM data without TOBS adjustments (NOAA's adjusted products like nClimDiv correct for this, but our station-level data does not).

Frequently Asked Questions

Is Cayey, Puerto Rico getting warmer?

Based on 96+ years of NOAA temperature records, Cayey has changed at a rate of approximately 0.07°F per decade. This trend is calculated from monthly temperature anomalies relative to the location's historical baseline period.

What was the warmest year on record in Cayey?

The warmest year on record in Cayey was 2015, based on average annual temperature anomaly from NOAA station data.

Where does the temperature data for Cayey come from?

Data comes from the GUAYAMA 1 SW, PR US weather station, part of NOAA's Global Historical Climatology Network. This station has recorded 96+ years of temperature observations used to build Cayey's climate profile.

How are the climate visualizations for Cayey created?

Three visualizations are generated from Cayey's NOAA data: a climate spiral showing monthly temperature anomalies as concentric rings (inspired by NASA), warming stripes where each vertical stripe represents one year's temperature anomaly, and a linear trend chart showing the long-term trajectory.

Can I download Cayey's temperature data?

Yes. The interactive data table on this page shows every monthly temperature reading in Cayey's record. You can filter by decade and download the complete dataset as a CSV file for your own analysis.

Wear Cayey's Climate Story

These visualizations are printed on demand using Cayey's actual NOAA data. Every purchase plants a tree.

Shop Cayey Climate Apparel →

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