Climate Change in Peru, Iowa

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

Based on our analysis of 96 years of temperature data near Peru, IA, this area shows relatively stable temperatures of approximately +0.1°F per decade. 9 of the last 10 years recorded above-average temperatures, and 1931 was the warmest year on record at +4.3°F above the historical baseline.

Key Climate Facts

Rate of Change

+0.1°F

per decade

Warmest Year

1931

+4.3°F anomaly

Recent Warm Years

9 / 10

above-average years

Decade Shift

+0.5°F

2020s vs 1930s

Compared to the National Average

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

National: +0.20°F/decade
Peru: +0.06°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 Peru's long-term warming trend.

Temperature anomaly spiral for Peru, Iowa
Climate spiral: monthly temperature anomalies from 96+ years of NOAA records for Peru, IA.

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 Peru, Iowa
Warming stripes: each stripe is one year of average temperature anomaly for Peru, IA.

Temperature Trend

Annual temperature anomalies plotted over time with a linear regression trend line. The slope of +0.06°F per decade quantifies the rate of change.

Temperature trend chart for Peru, Iowa
Linear trend: annual temperature anomalies with trend line for Peru, IA.

Temperature by Decade

1930s
+1.79°F
1940s
+0.41°F
1950s
-0.01°F
1960s
-0.57°F
1970s
-0.40°F
1980s
+0.43°F
1990s
+0.23°F
2000s
+0.73°F
2010s
+0.95°F
2020s
+2.42°F

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

Anomaly Scale

-5.9°F Colder Normal +7.7°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 Peru, IA. Filter by decade or download as CSV.

Data Sources & Audit

Station
nClimGrid 5km Grid Point
Distance
1.2 mi
Coverage
99.1%
Records
1,154
Range
1930-01 – 2026-02
Full Data Audit 1,154 records
YearMonthTempBaselineAnomalySourceGap
1930Jan10.7°F19.3°F-8.6°NCLIMGRID
1930Feb37.8°F25.2°F+12.6°NCLIMGRID
1930Mar38.3°F38.0°F+0.3°NCLIMGRID
1930Apr52.5°F50.6°F+1.9°NCLIMGRID
1930May60.6°F61.2°F-0.6°NCLIMGRID
1930Jun69.0°F70.6°F-1.7°NCLIMGRID
1930Jul79.3°F75.3°F+3.9°NCLIMGRID
1930Aug75.0°F72.4°F+2.6°NCLIMGRID
1930Sep67.3°F64.1°F+3.2°NCLIMGRID
1930Oct51.5°F52.1°F-0.6°NCLIMGRID
1930Nov42.1°F37.2°F+4.9°NCLIMGRID
1930Dec27.2°F24.4°F+2.8°NCLIMGRID
1931Jan29.2°F19.3°F+9.9°NCLIMGRID
1931Feb36.2°F25.2°F+11.1°NCLIMGRID
1931Mar34.7°F38.0°F-3.3°NCLIMGRID
1931Apr50.7°F50.6°F+0.1°NCLIMGRID
1931May58.5°F61.2°F-2.7°NCLIMGRID
1931Jun75.1°F70.6°F+4.5°NCLIMGRID
1931Jul77.8°F75.3°F+2.4°NCLIMGRID
1931Aug72.1°F72.4°F-0.3°NCLIMGRID
1931Sep71.8°F64.1°F+7.7°NCLIMGRID
1931Oct57.4°F52.1°F+5.3°NCLIMGRID
1931Nov44.2°F37.2°F+6.9°NCLIMGRID
1931Dec34.6°F24.4°F+10.2°NCLIMGRID
1932Jan23.0°F19.3°F+3.7°NCLIMGRID
1932Feb31.0°F25.2°F+5.8°NCLIMGRID
1932Mar29.9°F38.0°F-8.1°NCLIMGRID
1932Apr50.7°F50.6°F+0.1°NCLIMGRID
1932May63.2°F61.2°F+2.0°NCLIMGRID
1932Jun72.7°F70.6°F+2.1°NCLIMGRID
1932Jul77.3°F75.3°F+1.9°NCLIMGRID
1932Aug72.8°F72.4°F+0.4°NCLIMGRID
1932Sep62.9°F64.1°F-1.2°NCLIMGRID
1932Oct50.2°F52.1°F-1.8°NCLIMGRID
1932Nov32.3°F37.2°F-5.0°NCLIMGRID
1932Dec22.2°F24.4°F-2.2°NCLIMGRID
1933Jan32.8°F19.3°F+13.6°NCLIMGRID
1933Feb23.9°F25.2°F-1.3°NCLIMGRID
1933Mar37.4°F38.0°F-0.6°NCLIMGRID
1933Apr49.6°F50.6°F-1.0°NCLIMGRID
1933May61.1°F61.2°F-0.1°NCLIMGRID
1933Jun78.9°F70.6°F+8.3°NCLIMGRID
1933Jul77.6°F75.3°F+2.3°NCLIMGRID
1933Aug71.1°F72.4°F-1.3°NCLIMGRID
1933Sep70.0°F64.1°F+5.9°NCLIMGRID
1933Oct50.9°F52.1°F-1.2°NCLIMGRID
1933Nov39.3°F37.2°F+2.1°NCLIMGRID
1933Dec28.5°F24.4°F+4.1°NCLIMGRID
1934Jan26.7°F19.3°F+7.4°NCLIMGRID
1934Feb26.4°F25.2°F+1.3°NCLIMGRID
1934Mar35.2°F38.0°F-2.8°NCLIMGRID
1934Apr51.1°F50.6°F+0.5°NCLIMGRID
1934May70.3°F61.2°F+9.0°NCLIMGRID
1934Jun79.3°F70.6°F+8.7°NCLIMGRID
1934Jul83.9°F75.3°F+8.6°NCLIMGRID
1934Aug77.4°F72.4°F+5.0°NCLIMGRID
1934Sep62.1°F64.1°F-2.0°NCLIMGRID
1934Oct57.6°F52.1°F+5.6°NCLIMGRID
1934Nov41.5°F37.2°F+4.3°NCLIMGRID
1934Dec22.6°F24.4°F-1.8°NCLIMGRID
1935Jan22.2°F19.3°F+2.9°NCLIMGRID
1935Feb29.6°F25.2°F+4.4°NCLIMGRID
1935Mar42.0°F38.0°F+4.0°NCLIMGRID
1935Apr46.8°F50.6°F-3.9°NCLIMGRID
1935May54.9°F61.2°F-6.4°NCLIMGRID
1935Jun66.2°F70.6°F-4.4°NCLIMGRID
1935Jul80.3°F75.3°F+4.9°NCLIMGRID
1935Aug74.1°F72.4°F+1.7°NCLIMGRID
1935Sep65.2°F64.1°F+1.1°NCLIMGRID
1935Oct51.6°F52.1°F-0.5°NCLIMGRID
1935Nov34.1°F37.2°F-3.2°NCLIMGRID
1935Dec23.7°F24.4°F-0.7°NCLIMGRID
1936Jan9.5°F19.3°F-9.8°NCLIMGRID
1936Feb7.2°F25.2°F-17.9°NCLIMGRID
1936Mar41.1°F38.0°F+3.1°NCLIMGRID
1936Apr47.1°F50.6°F-3.6°NCLIMGRID
1936May67.1°F61.2°F+5.9°NCLIMGRID
1936Jun71.4°F70.6°F+0.8°NCLIMGRID
1936Jul85.1°F75.3°F+9.8°NCLIMGRID
1936Aug80.7°F72.4°F+8.3°NCLIMGRID
1936Sep68.8°F64.1°F+4.7°NCLIMGRID
1936Oct51.2°F52.1°F-0.8°NCLIMGRID
1936Nov36.0°F37.2°F-1.3°NCLIMGRID
1936Dec29.1°F24.4°F+4.7°NCLIMGRID
1937Jan14.1°F19.3°F-5.2°NCLIMGRID
1937Feb20.4°F25.2°F-4.8°NCLIMGRID
1937Mar33.5°F38.0°F-4.5°NCLIMGRID
1937Apr48.2°F50.6°F-2.4°NCLIMGRID
1937May62.2°F61.2°F+1.0°NCLIMGRID
1937Jun69.8°F70.6°F-0.8°NCLIMGRID
1937Jul76.8°F75.3°F+1.5°NCLIMGRID
1937Aug78.4°F72.4°F+6.0°NCLIMGRID
1937Sep67.1°F64.1°F+3.0°NCLIMGRID
1937Oct52.3°F52.1°F+0.2°NCLIMGRID
1937Nov34.3°F37.2°F-3.0°NCLIMGRID
1937Dec24.0°F24.4°F-0.4°NCLIMGRID
1938Jan23.6°F19.3°F+4.3°NCLIMGRID
1938Feb30.9°F25.2°F+5.8°NCLIMGRID
1938Mar45.5°F38.0°F+7.5°NCLIMGRID
1938Apr50.5°F50.6°F-0.1°NCLIMGRID
1938May60.7°F61.2°F-0.5°NCLIMGRID
1938Jun70.3°F70.6°F-0.3°NCLIMGRID
1938Jul78.3°F75.3°F+2.9°NCLIMGRID
1938Aug76.7°F72.4°F+4.3°NCLIMGRID
1938Sep68.0°F64.1°F+3.9°NCLIMGRID
1938Oct60.8°F52.1°F+8.8°NCLIMGRID
1938Nov37.6°F37.2°F+0.3°NCLIMGRID
1938Dec26.9°F24.4°F+2.5°NCLIMGRID
1939Jan29.9°F19.3°F+10.6°NCLIMGRID
1939Feb22.4°F25.2°F-2.8°NCLIMGRID
1939Mar37.7°F38.0°F-0.4°NCLIMGRID
1939Apr49.0°F50.6°F-1.6°NCLIMGRID
1939May67.0°F61.2°F+5.8°NCLIMGRID
1939Jun72.0°F70.6°F+1.4°NCLIMGRID
1939Jul77.6°F75.3°F+2.2°NCLIMGRID
1939Aug70.9°F72.4°F-1.5°NCLIMGRID
1939Sep71.0°F64.1°F+6.9°NCLIMGRID
1939Oct55.7°F52.1°F+3.6°NCLIMGRID
1939Nov40.0°F37.2°F+2.8°NCLIMGRID
1939Dec33.2°F24.4°F+8.8°NCLIMGRID
1940Jan6.9°F19.3°F-12.3°NCLIMGRID
1940Feb24.5°F25.2°F-0.6°NCLIMGRID
1940Mar33.0°F38.0°F-5.1°NCLIMGRID
1940Apr47.8°F50.6°F-2.9°NCLIMGRID
1940May58.5°F61.2°F-2.7°NCLIMGRID
1940Jun71.8°F70.6°F+1.2°NCLIMGRID
1940Jul77.4°F75.3°F+2.1°NCLIMGRID
1940Aug71.1°F72.4°F-1.3°NCLIMGRID
1940Sep66.1°F64.1°F+2.0°NCLIMGRID
1940Oct58.9°F52.1°F+6.9°NCLIMGRID
1940Nov33.8°F37.2°F-3.4°NCLIMGRID
1940Dec28.6°F24.4°F+4.2°NCLIMGRID
1941Jan23.8°F19.3°F+4.5°NCLIMGRID
1941Feb23.3°F25.2°F-1.9°NCLIMGRID
1941Mar34.4°F38.0°F-3.6°NCLIMGRID
1941Apr54.0°F50.6°F+3.3°NCLIMGRID
1941May66.3°F61.2°F+5.1°NCLIMGRID
1941Jun70.2°F70.6°F-0.4°NCLIMGRID
1941Jul76.5°F75.3°F+1.2°NCLIMGRID
1941Aug76.3°F72.4°F+3.8°NCLIMGRID
1941Sep66.8°F64.1°F+2.6°NCLIMGRID
1941Oct55.3°F52.1°F+3.2°NCLIMGRID
1941Nov40.0°F37.2°F+2.7°NCLIMGRID
1941Dec32.3°F24.4°F+8.0°NCLIMGRID
1942Jan21.9°F19.3°F+2.6°NCLIMGRID
1942Feb23.8°F25.2°F-1.3°NCLIMGRID
1942Mar38.5°F38.0°F+0.5°NCLIMGRID
1942Apr55.0°F50.6°F+4.3°NCLIMGRID
1942May60.0°F61.2°F-1.2°NCLIMGRID
1942Jun70.8°F70.6°F+0.1°NCLIMGRID
1942Jul75.7°F75.3°F+0.4°NCLIMGRID
1942Aug72.6°F72.4°F+0.1°NCLIMGRID
1942Sep61.6°F64.1°F-2.5°NCLIMGRID
1942Oct53.9°F52.1°F+1.8°NCLIMGRID
1942Nov38.9°F37.2°F+1.6°NCLIMGRID
1942Dec21.2°F24.4°F-3.2°NCLIMGRID
1943Jan18.7°F19.3°F-0.6°NCLIMGRID
1943Feb29.7°F25.2°F+4.5°NCLIMGRID
1943Mar32.3°F38.0°F-5.7°NCLIMGRID
1943Apr49.2°F50.6°F-1.4°NCLIMGRID
1943May57.7°F61.2°F-3.5°NCLIMGRID
1943Jun71.9°F70.6°F+1.3°NCLIMGRID
1943Jul75.9°F75.3°F+0.6°NCLIMGRID
1943Aug74.5°F72.4°F+2.1°NCLIMGRID
1943Sep60.4°F64.1°F-3.7°NCLIMGRID
1943Oct51.9°F52.1°F-0.1°NCLIMGRID
1943Nov33.9°F37.2°F-3.3°NCLIMGRID
1943Dec25.8°F24.4°F+1.4°NCLIMGRID
1944Jan30.5°F19.3°F+11.3°NCLIMGRID
1944Feb27.8°F25.2°F+2.6°NCLIMGRID
1944Mar30.8°F38.0°F-7.3°NCLIMGRID
1944Apr45.3°F50.6°F-5.3°NCLIMGRID
1944May65.2°F61.2°F+4.0°NCLIMGRID
1944Jun72.4°F70.6°F+1.8°NCLIMGRID
1944Jul74.2°F75.3°F-1.2°NCLIMGRID
1944Aug72.7°F72.4°F+0.3°NCLIMGRID
1944Sep65.4°F64.1°F+1.3°NCLIMGRID
1944Oct55.0°F52.1°F+2.9°NCLIMGRID
1944Nov39.9°F37.2°F+2.7°NCLIMGRID
1944Dec20.3°F24.4°F-4.1°NCLIMGRID
1945Jan19.9°F19.3°F+0.6°NCLIMGRID
1945Feb26.7°F25.2°F+1.5°NCLIMGRID
1945Mar46.7°F38.0°F+8.6°NCLIMGRID
1945Apr49.4°F50.6°F-1.3°NCLIMGRID
1945May56.0°F61.2°F-5.2°NCLIMGRID
1945Jun64.2°F70.6°F-6.4°NCLIMGRID
1945Jul73.3°F75.3°F-2.0°NCLIMGRID
1945Aug73.3°F72.4°F+0.9°NCLIMGRID
1945Sep64.0°F64.1°F-0.2°NCLIMGRID
1945Oct52.2°F52.1°F+0.1°NCLIMGRID
1945Nov37.7°F37.2°F+0.5°NCLIMGRID
1945Dec18.1°F24.4°F-6.3°NCLIMGRID
1946Jan23.4°F19.3°F+4.1°NCLIMGRID
1946Feb31.0°F25.2°F+5.8°NCLIMGRID
1946Mar48.2°F38.0°F+10.1°NCLIMGRID
1946Apr54.1°F50.6°F+3.4°NCLIMGRID
1946May57.0°F61.2°F-4.2°NCLIMGRID
1946Jun70.5°F70.6°F-0.1°NCLIMGRID
1946Jul74.6°F75.3°F-0.7°NCLIMGRID
1946Aug69.1°F72.4°F-3.3°NCLIMGRID
1946Sep63.4°F64.1°F-0.7°NCLIMGRID
1946Oct55.9°F52.1°F+3.8°NCLIMGRID
1946Nov38.1°F37.2°F+0.9°NCLIMGRID
1946Dec30.3°F24.4°F+5.9°NCLIMGRID
1947Jan25.8°F19.3°F+6.5°NCLIMGRID
1947Feb18.7°F25.2°F-6.4°NCLIMGRID
1947Mar31.7°F38.0°F-6.3°NCLIMGRID
1947Apr47.5°F50.6°F-3.1°NCLIMGRID
1947May56.4°F61.2°F-4.8°NCLIMGRID
1947Jun67.2°F70.6°F-3.5°NCLIMGRID
1947Jul74.1°F75.3°F-1.3°NCLIMGRID
1947Aug81.5°F72.4°F+9.1°NCLIMGRID
1947Sep68.4°F64.1°F+4.3°NCLIMGRID
1947Oct61.4°F52.1°F+9.4°NCLIMGRID
1947Nov32.6°F37.2°F-4.6°NCLIMGRID
1947Dec28.3°F24.4°F+4.0°NCLIMGRID
1948Jan18.4°F19.3°F-0.8°NCLIMGRID
1948Feb22.7°F25.2°F-2.4°NCLIMGRID
1948Mar32.5°F38.0°F-5.5°NCLIMGRID
1948Apr55.0°F50.6°F+4.4°NCLIMGRID
1948May60.3°F61.2°F-0.9°NCLIMGRID
1948Jun69.7°F70.6°F-0.9°NCLIMGRID
1948Jul75.8°F75.3°F+0.4°NCLIMGRID
1948Aug74.0°F72.4°F+1.6°NCLIMGRID
1948Sep68.3°F64.1°F+4.1°NCLIMGRID
1948Oct52.1°F52.1°F+0.0°NCLIMGRID
1948Nov39.2°F37.2°F+2.0°NCLIMGRID
1948Dec26.6°F24.4°F+2.2°NCLIMGRID
1949Jan17.5°F19.3°F-1.8°NCLIMGRID
1949Feb20.8°F25.2°F-4.4°NCLIMGRID
1949Mar35.7°F38.0°F-2.3°NCLIMGRID
1949Apr49.8°F50.6°F-0.8°NCLIMGRID
1949May64.6°F61.2°F+3.4°NCLIMGRID
1949Jun72.9°F70.6°F+2.3°NCLIMGRID
1949Jul76.6°F75.3°F+1.2°NCLIMGRID
1949Aug72.7°F72.4°F+0.2°NCLIMGRID
1949Sep59.5°F64.1°F-4.6°NCLIMGRID
1949Oct56.0°F52.1°F+4.0°NCLIMGRID
1949Nov42.1°F37.2°F+4.9°NCLIMGRID
1949Dec27.4°F24.4°F+3.0°NCLIMGRID
1950Jan20.3°F19.3°F+1.1°NCLIMGRID
1950Feb23.8°F25.2°F-1.4°NCLIMGRID
1950Mar32.3°F38.0°F-5.8°NCLIMGRID
1950Apr44.0°F50.6°F-6.7°NCLIMGRID
1950May60.8°F61.2°F-0.4°NCLIMGRID
1950Jun69.1°F70.6°F-1.5°NCLIMGRID
1950Jul70.2°F75.3°F-5.2°NCLIMGRID
1950Aug67.4°F72.4°F-5.1°NCLIMGRID
1950Sep63.4°F64.1°F-0.8°NCLIMGRID
1950Oct59.0°F52.1°F+6.9°NCLIMGRID
1950Nov33.3°F37.2°F-3.9°NCLIMGRID
1950Dec20.2°F24.4°F-4.1°NCLIMGRID
1951Jan20.1°F19.3°F+0.8°NCLIMGRID
1951Feb24.7°F25.2°F-0.5°NCLIMGRID
1951Mar28.8°F38.0°F-9.3°NCLIMGRID
1951Apr44.7°F50.6°F-5.9°NCLIMGRID
1951May62.2°F61.2°F+1.0°NCLIMGRID
1951Jun65.3°F70.6°F-5.3°NCLIMGRID
1951Jul72.7°F75.3°F-2.6°NCLIMGRID
1951Aug71.6°F72.4°F-0.9°NCLIMGRID
1951Sep60.0°F64.1°F-4.1°NCLIMGRID
1951Oct52.1°F52.1°F+0.1°NCLIMGRID
1951Nov31.4°F37.2°F-5.8°NCLIMGRID
1951Dec20.4°F24.4°F-4.0°NCLIMGRID
1952Jan21.8°F19.3°F+2.6°NCLIMGRID
1952Feb32.4°F25.2°F+7.2°NCLIMGRID
1952Mar32.2°F38.0°F-5.8°NCLIMGRID
1952Apr49.7°F50.6°F-1.0°NCLIMGRID
1952May60.5°F61.2°F-0.7°NCLIMGRID
1952Jun74.8°F70.6°F+4.2°NCLIMGRID
1952Jul74.9°F75.3°F-0.5°NCLIMGRID
1952Aug70.1°F72.4°F-2.3°NCLIMGRID
1952Sep65.7°F64.1°F+1.6°NCLIMGRID
1952Oct49.1°F52.1°F-3.0°NCLIMGRID
1952Nov38.1°F37.2°F+0.9°NCLIMGRID
1952Dec26.0°F24.4°F+1.7°NCLIMGRID
1953Jan23.5°F19.3°F+4.3°NCLIMGRID
1953Feb30.1°F25.2°F+4.9°NCLIMGRID
1953Mar38.2°F38.0°F+0.1°NCLIMGRID
1953Apr44.2°F50.6°F-6.5°NCLIMGRID
1953May60.5°F61.2°F-0.8°NCLIMGRID
1953Jun73.9°F70.6°F+3.2°NCLIMGRID
1953Jul75.7°F75.3°F+0.3°NCLIMGRID
1953Aug73.6°F72.4°F+1.2°NCLIMGRID
1953Sep66.3°F64.1°F+2.2°NCLIMGRID
1953Oct59.1°F52.1°F+7.0°NCLIMGRID
1953Nov41.6°F37.2°F+4.3°NCLIMGRID
1953Dec29.4°F24.4°F+5.0°NCLIMGRID
1954Jan19.9°F19.3°F+0.7°NCLIMGRID
1954Feb38.2°F25.2°F+13.0°NCLIMGRID
1954Mar33.5°F38.0°F-4.5°NCLIMGRID
1954Apr53.9°F50.6°F+3.3°NCLIMGRID
1954May56.4°F61.2°F-4.8°NCLIMGRID
1954Jun74.2°F70.6°F+3.5°NCLIMGRID
1954Jul79.9°F75.3°F+4.5°NCLIMGRID
1954Aug73.5°F72.4°F+1.1°NCLIMGRID
1954Sep67.8°F64.1°F+3.7°NCLIMGRID
1954Oct52.9°F52.1°F+0.9°NCLIMGRID
1954Nov41.8°F37.2°F+4.6°NCLIMGRID
1954Dec28.5°F24.4°F+4.2°NCLIMGRID
1955Jan20.6°F19.3°F+1.3°NCLIMGRID
1955Feb21.1°F25.2°F-4.1°NCLIMGRID
1955Mar35.4°F38.0°F-2.6°NCLIMGRID
1955Apr56.6°F50.6°F+6.0°NCLIMGRID
1955May63.8°F61.2°F+2.6°NCLIMGRID
1955Jun67.6°F70.6°F-3.0°NCLIMGRID
1955Jul80.3°F75.3°F+4.9°NCLIMGRID
1955Aug76.8°F72.4°F+4.4°NCLIMGRID
1955Sep67.2°F64.1°F+3.1°NCLIMGRID
1955Oct53.5°F52.1°F+1.4°NCLIMGRID
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1984Feb34.9°F25.2°F+9.8°NCLIMGRID
1984Mar30.3°F38.0°F-7.7°NCLIMGRID
1984Apr46.8°F50.6°F-3.9°NCLIMGRID
1984May57.7°F61.2°F-3.5°NCLIMGRID
1984Jun71.3°F70.6°F+0.7°NCLIMGRID
1984Jul73.7°F75.3°F-1.7°NCLIMGRID
1984Aug74.5°F72.4°F+2.1°NCLIMGRID
1984Sep62.2°F64.1°F-1.9°NCLIMGRID
1984Oct53.4°F52.1°F+1.4°NCLIMGRID
1984Nov39.4°F37.2°F+2.2°NCLIMGRID
1984Dec29.0°F24.4°F+4.7°NCLIMGRID
1985Jan15.7°F19.3°F-3.5°NCLIMGRID
1985Feb21.5°F25.2°F-3.7°NCLIMGRID
1985Mar42.0°F38.0°F+4.0°NCLIMGRID
1985Apr55.1°F50.6°F+4.5°NCLIMGRID
1985May63.7°F61.2°F+2.5°NCLIMGRID
1985Jun67.6°F70.6°F-3.0°NCLIMGRID
1985Jul73.8°F75.3°F-1.5°NCLIMGRID
1985Aug69.5°F72.4°F-2.9°NCLIMGRID
1985Sep64.2°F64.1°F+0.0°NCLIMGRID
1985Oct52.4°F52.1°F+0.3°NCLIMGRID
1985Nov30.2°F37.2°F-7.0°NCLIMGRID
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1986Jan27.9°F19.3°F+8.6°NCLIMGRID
1986Feb21.8°F25.2°F-3.4°NCLIMGRID
1986Mar43.0°F38.0°F+5.0°NCLIMGRID
1986Apr53.5°F50.6°F+2.9°NCLIMGRID
1986May62.1°F61.2°F+0.9°NCLIMGRID
1986Jun72.9°F70.6°F+2.3°NCLIMGRID
1986Jul76.6°F75.3°F+1.2°NCLIMGRID
1986Aug68.5°F72.4°F-3.9°NCLIMGRID
1986Sep67.2°F64.1°F+3.1°NCLIMGRID
1986Oct53.0°F52.1°F+0.9°NCLIMGRID
1986Nov33.8°F37.2°F-3.4°NCLIMGRID
1986Dec28.5°F24.4°F+4.1°NCLIMGRID
1987Jan26.6°F19.3°F+7.3°NCLIMGRID
1987Feb35.3°F25.2°F+10.1°NCLIMGRID
1987Mar42.5°F38.0°F+4.5°NCLIMGRID
1987Apr54.4°F50.6°F+3.8°NCLIMGRID
1987May65.6°F61.2°F+4.4°NCLIMGRID
1987Jun72.9°F70.6°F+2.3°NCLIMGRID
1987Jul76.7°F75.3°F+1.4°NCLIMGRID
1987Aug70.5°F72.4°F-1.9°NCLIMGRID
1987Sep63.4°F64.1°F-0.7°NCLIMGRID
1987Oct48.2°F52.1°F-3.8°NCLIMGRID
1987Nov41.9°F37.2°F+4.7°NCLIMGRID
1987Dec29.6°F24.4°F+5.3°NCLIMGRID
1988Jan20.6°F19.3°F+1.3°NCLIMGRID
1988Feb21.4°F25.2°F-3.8°NCLIMGRID
1988Mar40.0°F38.0°F+2.0°NCLIMGRID
1988Apr50.8°F50.6°F+0.2°NCLIMGRID
1988May65.9°F61.2°F+4.7°NCLIMGRID
1988Jun74.9°F70.6°F+4.3°NCLIMGRID
1988Jul76.7°F75.3°F+1.4°NCLIMGRID
1988Aug77.2°F72.4°F+4.8°NCLIMGRID
1988Sep65.9°F64.1°F+1.7°NCLIMGRID
1988Oct47.2°F52.1°F-4.8°NCLIMGRID
1988Nov39.6°F37.2°F+2.3°NCLIMGRID
1988Dec28.8°F24.4°F+4.4°NCLIMGRID
1989Jan32.1°F19.3°F+12.8°NCLIMGRID
1989Feb14.7°F25.2°F-10.4°NCLIMGRID
1989Mar36.9°F38.0°F-1.1°NCLIMGRID
1989Apr52.0°F50.6°F+1.4°NCLIMGRID
1989May60.3°F61.2°F-0.9°NCLIMGRID
1989Jun67.9°F70.6°F-2.8°NCLIMGRID
1989Jul75.5°F75.3°F+0.1°NCLIMGRID
1989Aug72.1°F72.4°F-0.3°NCLIMGRID
1989Sep60.7°F64.1°F-3.5°NCLIMGRID
1989Oct53.6°F52.1°F+1.5°NCLIMGRID
1989Nov35.9°F37.2°F-1.3°NCLIMGRID
1989Dec15.5°F24.4°F-8.9°NCLIMGRID
1990Jan31.3°F19.3°F+12.0°NCLIMGRID
1990Feb30.4°F25.2°F+5.2°NCLIMGRID
1990Mar41.1°F38.0°F+3.0°NCLIMGRID
1990Apr48.9°F50.6°F-1.7°NCLIMGRID
1990May57.2°F61.2°F-4.0°NCLIMGRID
1990Jun71.0°F70.6°F+0.4°NCLIMGRID
1990Jul73.6°F75.3°F-1.8°NCLIMGRID
1990Aug72.9°F72.4°F+0.5°NCLIMGRID
1990Sep67.7°F64.1°F+3.5°NCLIMGRID
1990Oct52.7°F52.1°F+0.6°NCLIMGRID
1990Nov43.6°F37.2°F+6.3°NCLIMGRID
1990Dec22.7°F24.4°F-1.7°NCLIMGRID
1991Jan14.8°F19.3°F-4.4°NCLIMGRID
1991Feb32.8°F25.2°F+7.6°NCLIMGRID
1991Mar42.0°F38.0°F+4.0°NCLIMGRID
1991Apr52.1°F50.6°F+1.4°NCLIMGRID
1991May65.1°F61.2°F+3.9°NCLIMGRID
1991Jun72.8°F70.6°F+2.1°NCLIMGRID
1991Jul74.1°F75.3°F-1.2°NCLIMGRID
1991Aug72.1°F72.4°F-0.3°NCLIMGRID
1991Sep64.1°F64.1°F+0.0°NCLIMGRID
1991Oct51.7°F52.1°F-0.4°NCLIMGRID
1991Nov29.3°F37.2°F-7.9°NCLIMGRID
1991Dec29.6°F24.4°F+5.2°NCLIMGRID
1992Jan29.9°F19.3°F+10.7°NCLIMGRID
1992Feb34.7°F25.2°F+9.6°NCLIMGRID
1992Mar41.7°F38.0°F+3.6°NCLIMGRID
1992Apr47.4°F50.6°F-3.2°NCLIMGRID
1992May60.4°F61.2°F-0.8°NCLIMGRID
1992Jun67.7°F70.6°F-2.9°NCLIMGRID
1992Jul70.5°F75.3°F-4.8°NCLIMGRID
1992Aug66.7°F72.4°F-5.7°NCLIMGRID
1992Sep61.8°F64.1°F-2.4°NCLIMGRID
1992Oct52.8°F52.1°F+0.7°NCLIMGRID
1992Nov34.0°F37.2°F-3.3°NCLIMGRID
1992Dec26.4°F24.4°F+2.0°NCLIMGRID
1993Jan19.9°F19.3°F+0.6°NCLIMGRID
1993Feb20.2°F25.2°F-5.0°NCLIMGRID
1993Mar33.5°F38.0°F-4.5°NCLIMGRID
1993Apr46.0°F50.6°F-4.6°NCLIMGRID
1993May60.2°F61.2°F-1.0°NCLIMGRID
1993Jun68.1°F70.6°F-2.6°NCLIMGRID
1993Jul73.0°F75.3°F-2.3°NCLIMGRID
1993Aug72.8°F72.4°F+0.4°NCLIMGRID
1993Sep58.4°F64.1°F-5.7°NCLIMGRID
1993Oct50.5°F52.1°F-1.6°NCLIMGRID
1993Nov35.6°F37.2°F-1.6°NCLIMGRID
1993Dec28.4°F24.4°F+4.0°NCLIMGRID
1994Jan14.3°F19.3°F-4.9°NCLIMGRID
1994Feb21.1°F25.2°F-4.1°NCLIMGRID
1994Mar40.5°F38.0°F+2.5°NCLIMGRID
1994Apr50.3°F50.6°F-0.3°NCLIMGRID
1994May60.8°F61.2°F-0.4°NCLIMGRID
1994Jun71.1°F70.6°F+0.5°NCLIMGRID
1994Jul72.1°F75.3°F-3.3°NCLIMGRID
1994Aug70.5°F72.4°F-1.9°NCLIMGRID
1994Sep64.5°F64.1°F+0.4°NCLIMGRID
1994Oct54.0°F52.1°F+1.9°NCLIMGRID
1994Nov40.4°F37.2°F+3.1°NCLIMGRID
1994Dec30.2°F24.4°F+5.8°NCLIMGRID
1995Jan20.0°F19.3°F+0.7°NCLIMGRID
1995Feb28.5°F25.2°F+3.3°NCLIMGRID
1995Mar39.0°F38.0°F+1.0°NCLIMGRID
1995Apr46.6°F50.6°F-4.1°NCLIMGRID
1995May56.9°F61.2°F-4.3°NCLIMGRID
1995Jun69.3°F70.6°F-1.3°NCLIMGRID
1995Jul74.7°F75.3°F-0.6°NCLIMGRID
1995Aug77.0°F72.4°F+4.6°NCLIMGRID
1995Sep61.6°F64.1°F-2.5°NCLIMGRID
1995Oct52.1°F52.1°F+0.0°NCLIMGRID
1995Nov32.3°F37.2°F-4.9°NCLIMGRID
1995Dec25.1°F24.4°F+0.7°NCLIMGRID
1996Jan17.5°F19.3°F-1.7°NCLIMGRID
1996Feb25.3°F25.2°F+0.1°NCLIMGRID
1996Mar32.3°F38.0°F-5.8°NCLIMGRID
1996Apr48.0°F50.6°F-2.6°NCLIMGRID
1996May57.8°F61.2°F-3.4°NCLIMGRID
1996Jun69.8°F70.6°F-0.8°NCLIMGRID
1996Jul72.1°F75.3°F-3.3°NCLIMGRID
1996Aug70.9°F72.4°F-1.5°NCLIMGRID
1996Sep61.0°F64.1°F-3.1°NCLIMGRID
1996Oct53.6°F52.1°F+1.5°NCLIMGRID
1996Nov31.1°F37.2°F-6.1°NCLIMGRID
1996Dec23.3°F24.4°F-1.1°NCLIMGRID
1997Jan17.3°F19.3°F-2.0°NCLIMGRID
1997Feb27.3°F25.2°F+2.2°NCLIMGRID
1997Mar39.9°F38.0°F+1.9°NCLIMGRID
1997Apr45.4°F50.6°F-5.2°NCLIMGRID
1997May55.7°F61.2°F-5.5°NCLIMGRID
1997Jun70.6°F70.6°F+0.0°NCLIMGRID
1997Jul75.0°F75.3°F-0.4°NCLIMGRID
1997Aug71.1°F72.4°F-1.3°NCLIMGRID
1997Sep65.4°F64.1°F+1.3°NCLIMGRID
1997Oct52.5°F52.1°F+0.4°NCLIMGRID
1997Nov35.6°F37.2°F-1.6°NCLIMGRID
1997Dec28.7°F24.4°F+4.4°NCLIMGRID
1998Jan26.1°F19.3°F+6.8°NCLIMGRID
1998Feb36.7°F25.2°F+11.6°NCLIMGRID
1998Mar32.7°F38.0°F-5.4°NCLIMGRID
1998Apr50.8°F50.6°F+0.2°NCLIMGRID
1998May65.4°F61.2°F+4.2°NCLIMGRID
1998Jun67.5°F70.6°F-3.1°NCLIMGRID
1998Jul75.4°F75.3°F+0.1°NCLIMGRID
1998Aug74.2°F72.4°F+1.8°NCLIMGRID
1998Sep69.6°F64.1°F+5.4°NCLIMGRID
1998Oct54.5°F52.1°F+2.4°NCLIMGRID
1998Nov42.8°F37.2°F+5.6°NCLIMGRID
1998Dec30.9°F24.4°F+6.6°NCLIMGRID
1999Jan19.8°F19.3°F+0.5°NCLIMGRID
1999Feb34.8°F25.2°F+9.7°NCLIMGRID
1999Mar37.4°F38.0°F-0.7°NCLIMGRID
1999Apr51.2°F50.6°F+0.5°NCLIMGRID
1999May60.5°F61.2°F-0.7°NCLIMGRID
1999Jun69.8°F70.6°F-0.8°NCLIMGRID
1999Jul78.0°F75.3°F+2.6°NCLIMGRID
1999Aug70.9°F72.4°F-1.5°NCLIMGRID
1999Sep61.7°F64.1°F-2.4°NCLIMGRID
1999Oct51.4°F52.1°F-0.6°NCLIMGRID
1999Nov46.8°F37.2°F+9.6°NCLIMGRID
1999Dec29.2°F24.4°F+4.8°NCLIMGRID
2000Jan25.8°F19.3°F+6.6°NCLIMGRID
2000Feb35.2°F25.2°F+10.0°NCLIMGRID
2000Mar45.0°F38.0°F+7.0°NCLIMGRID
2000Apr51.0°F50.6°F+0.3°NCLIMGRID
2000May63.4°F61.2°F+2.2°NCLIMGRID
2000Jun68.4°F70.6°F-2.3°NCLIMGRID
2000Jul73.2°F75.3°F-2.1°NCLIMGRID
2000Aug74.3°F72.4°F+1.9°NCLIMGRID
2000Sep66.2°F64.1°F+2.1°NCLIMGRID
2000Oct56.3°F52.1°F+4.2°NCLIMGRID
2000Nov33.8°F37.2°F-3.5°NCLIMGRID
2000Dec11.5°F24.4°F-12.9°NCLIMGRID
2001Jan22.5°F19.3°F+3.3°NCLIMGRID
2001Feb20.4°F25.2°F-4.8°NCLIMGRID
2001Mar31.7°F38.0°F-6.4°NCLIMGRID
2001Apr54.8°F50.6°F+4.1°NCLIMGRID
2001May61.4°F61.2°F+0.1°NCLIMGRID
2001Jun68.4°F70.6°F-2.2°NCLIMGRID
2001Jul76.3°F75.3°F+1.0°NCLIMGRID
2001Aug73.8°F72.4°F+1.4°NCLIMGRID
2001Sep62.3°F64.1°F-1.8°NCLIMGRID
2001Oct51.1°F52.1°F-0.9°NCLIMGRID
2001Nov49.4°F37.2°F+12.1°NCLIMGRID
2001Dec33.0°F24.4°F+8.6°NCLIMGRID
2002Jan30.2°F19.3°F+10.9°NCLIMGRID
2002Feb31.4°F25.2°F+6.3°NCLIMGRID
2002Mar33.4°F38.0°F-4.6°NCLIMGRID
2002Apr50.2°F50.6°F-0.5°NCLIMGRID
2002May57.5°F61.2°F-3.7°NCLIMGRID
2002Jun73.3°F70.6°F+2.7°NCLIMGRID
2002Jul77.0°F75.3°F+1.7°NCLIMGRID
2002Aug71.8°F72.4°F-0.6°NCLIMGRID
2002Sep66.8°F64.1°F+2.6°NCLIMGRID
2002Oct47.7°F52.1°F-4.4°NCLIMGRID
2002Nov35.9°F37.2°F-1.4°NCLIMGRID
2002Dec31.0°F24.4°F+6.6°NCLIMGRID
2003Jan21.0°F19.3°F+1.7°NCLIMGRID
2003Feb22.0°F25.2°F-3.2°NCLIMGRID
2003Mar37.0°F38.0°F-1.0°NCLIMGRID
2003Apr52.5°F50.6°F+1.9°NCLIMGRID
2003May59.1°F61.2°F-2.1°NCLIMGRID
2003Jun67.5°F70.6°F-3.1°NCLIMGRID
2003Jul74.3°F75.3°F-1.0°NCLIMGRID
2003Aug76.3°F72.4°F+3.8°NCLIMGRID
2003Sep61.7°F64.1°F-2.4°NCLIMGRID
2003Oct54.4°F52.1°F+2.3°NCLIMGRID
2003Nov37.8°F37.2°F+0.5°NCLIMGRID
2003Dec31.0°F24.4°F+6.7°NCLIMGRID
2004Jan19.8°F19.3°F+0.6°NCLIMGRID
2004Feb24.9°F25.2°F-0.3°NCLIMGRID
2004Mar42.2°F38.0°F+4.1°NCLIMGRID
2004Apr52.6°F50.6°F+2.0°NCLIMGRID
2004May61.7°F61.2°F+0.5°NCLIMGRID
2004Jun67.1°F70.6°F-3.5°NCLIMGRID
2004Jul71.0°F75.3°F-4.3°NCLIMGRID
2004Aug67.1°F72.4°F-5.3°NCLIMGRID
2004Sep66.9°F64.1°F+2.8°NCLIMGRID
2004Oct53.1°F52.1°F+1.0°NCLIMGRID
2004Nov42.0°F37.2°F+4.7°NCLIMGRID
2004Dec28.3°F24.4°F+3.9°NCLIMGRID
2005Jan20.8°F19.3°F+1.6°NCLIMGRID
2005Feb33.6°F25.2°F+8.4°NCLIMGRID
2005Mar38.2°F38.0°F+0.2°NCLIMGRID
2005Apr54.6°F50.6°F+4.0°NCLIMGRID
2005May59.1°F61.2°F-2.2°NCLIMGRID
2005Jun72.9°F70.6°F+2.3°NCLIMGRID
2005Jul75.6°F75.3°F+0.3°NCLIMGRID
2005Aug72.8°F72.4°F+0.4°NCLIMGRID
2005Sep69.0°F64.1°F+4.9°NCLIMGRID
2005Oct53.0°F52.1°F+1.0°NCLIMGRID
2005Nov41.5°F37.2°F+4.3°NCLIMGRID
2005Dec21.9°F24.4°F-2.5°NCLIMGRID
2006Jan34.8°F19.3°F+15.5°NCLIMGRID
2006Feb27.8°F25.2°F+2.7°NCLIMGRID
2006Mar38.3°F38.0°F+0.3°NCLIMGRID
2006Apr55.2°F50.6°F+4.6°NCLIMGRID
2006May61.4°F61.2°F+0.2°NCLIMGRID
2006Jun71.4°F70.6°F+0.8°NCLIMGRID
2006Jul77.1°F75.3°F+1.8°NCLIMGRID
2006Aug73.3°F72.4°F+0.9°NCLIMGRID
2006Sep61.0°F64.1°F-3.2°NCLIMGRID
2006Oct49.2°F52.1°F-2.8°NCLIMGRID
2006Nov41.2°F37.2°F+4.0°NCLIMGRID
2006Dec33.7°F24.4°F+9.3°NCLIMGRID
2007Jan23.4°F19.3°F+4.2°NCLIMGRID
2007Feb18.6°F25.2°F-6.6°NCLIMGRID
2007Mar45.0°F38.0°F+7.0°NCLIMGRID
2007Apr48.0°F50.6°F-2.6°NCLIMGRID
2007May65.0°F61.2°F+3.8°NCLIMGRID
2007Jun70.7°F70.6°F+0.1°NCLIMGRID
2007Jul74.9°F75.3°F-0.4°NCLIMGRID
2007Aug75.8°F72.4°F+3.4°NCLIMGRID
2007Sep64.5°F64.1°F+0.4°NCLIMGRID
2007Oct56.8°F52.1°F+4.7°NCLIMGRID
2007Nov38.6°F37.2°F+1.4°NCLIMGRID
2007Dec22.8°F24.4°F-1.6°NCLIMGRID
2008Jan18.6°F19.3°F-0.6°NCLIMGRID
2008Feb18.7°F25.2°F-6.4°NCLIMGRID
2008Mar34.9°F38.0°F-3.1°NCLIMGRID
2008Apr46.6°F50.6°F-4.1°NCLIMGRID
2008May58.4°F61.2°F-2.8°NCLIMGRID
2008Jun70.3°F70.6°F-0.4°NCLIMGRID
2008Jul73.6°F75.3°F-1.8°NCLIMGRID
2008Aug70.1°F72.4°F-2.3°NCLIMGRID
2008Sep63.9°F64.1°F-0.3°NCLIMGRID
2008Oct52.0°F52.1°F+0.0°NCLIMGRID
2008Nov38.7°F37.2°F+1.5°NCLIMGRID
2008Dec20.5°F24.4°F-3.9°NCLIMGRID
2009Jan16.7°F19.3°F-2.6°NCLIMGRID
2009Feb29.8°F25.2°F+4.6°NCLIMGRID
2009Mar39.6°F38.0°F+1.5°NCLIMGRID
2009Apr47.7°F50.6°F-2.9°NCLIMGRID
2009May60.3°F61.2°F-0.9°NCLIMGRID
2009Jun70.4°F70.6°F-0.2°NCLIMGRID
2009Jul69.1°F75.3°F-6.3°NCLIMGRID
2009Aug69.4°F72.4°F-3.0°NCLIMGRID
2009Sep63.5°F64.1°F-0.7°NCLIMGRID
2009Oct45.6°F52.1°F-6.5°NCLIMGRID
2009Nov45.2°F37.2°F+7.9°NCLIMGRID
2009Dec21.0°F24.4°F-3.4°NCLIMGRID
2010Jan15.2°F19.3°F-4.0°NCLIMGRID
2010Feb18.0°F25.2°F-7.1°NCLIMGRID
2010Mar38.3°F38.0°F+0.3°NCLIMGRID
2010Apr56.4°F50.6°F+5.7°NCLIMGRID
2010May59.8°F61.2°F-1.5°NCLIMGRID
2010Jun72.5°F70.6°F+1.9°NCLIMGRID
2010Jul75.6°F75.3°F+0.3°NCLIMGRID
2010Aug74.9°F72.4°F+2.5°NCLIMGRID
2010Sep64.9°F64.1°F+0.8°NCLIMGRID
2010Oct54.7°F52.1°F+2.6°NCLIMGRID
2010Nov40.0°F37.2°F+2.8°NCLIMGRID
2010Dec22.1°F24.4°F-2.3°NCLIMGRID
2011Jan16.8°F19.3°F-2.5°NCLIMGRID
2011Feb25.2°F25.2°F+0.0°NCLIMGRID
2011Mar37.3°F38.0°F-0.8°NCLIMGRID
2011Apr49.3°F50.6°F-1.3°NCLIMGRID
2011May59.9°F61.2°F-1.3°NCLIMGRID
2011Jun70.6°F70.6°F+0.0°NCLIMGRID
2011Jul79.7°F75.3°F+4.4°NCLIMGRID
2011Aug73.0°F72.4°F+0.5°NCLIMGRID
2011Sep60.6°F64.1°F-3.5°NCLIMGRID
2011Oct53.3°F52.1°F+1.2°NCLIMGRID
2011Nov40.4°F37.2°F+3.1°NCLIMGRID
2011Dec30.5°F24.4°F+6.2°NCLIMGRID
2012Jan29.3°F19.3°F+10.0°NCLIMGRID
2012Feb30.1°F25.2°F+5.0°NCLIMGRID
2012Mar52.7°F38.0°F+14.6°NCLIMGRID
2012Apr54.4°F50.6°F+3.7°NCLIMGRID
2012May65.8°F61.2°F+4.6°NCLIMGRID
2012Jun71.9°F70.6°F+1.2°NCLIMGRID
2012Jul81.5°F75.3°F+6.1°NCLIMGRID
2012Aug71.8°F72.4°F-0.6°NCLIMGRID
2012Sep62.7°F64.1°F-1.4°NCLIMGRID
2012Oct49.6°F52.1°F-2.4°NCLIMGRID
2012Nov40.7°F37.2°F+3.4°NCLIMGRID
2012Dec28.9°F24.4°F+4.5°NCLIMGRID
2013Jan25.1°F19.3°F+5.8°NCLIMGRID
2013Feb26.4°F25.2°F+1.3°NCLIMGRID
2013Mar30.7°F38.0°F-7.3°NCLIMGRID
2013Apr45.0°F50.6°F-5.6°NCLIMGRID
2013May59.5°F61.2°F-1.8°NCLIMGRID
2013Jun70.1°F70.6°F-0.6°NCLIMGRID
2013Jul73.1°F75.3°F-2.3°NCLIMGRID
2013Aug73.3°F72.4°F+0.9°NCLIMGRID
2013Sep67.9°F64.1°F+3.8°NCLIMGRID
2013Oct50.8°F52.1°F-1.2°NCLIMGRID
2013Nov35.5°F37.2°F-1.7°NCLIMGRID
2013Dec19.6°F24.4°F-4.8°NCLIMGRID
2014Jan18.6°F19.3°F-0.7°NCLIMGRID
2014Feb16.3°F25.2°F-8.8°NCLIMGRID
2014Mar32.4°F38.0°F-5.7°NCLIMGRID
2014Apr50.2°F50.6°F-0.5°NCLIMGRID
2014May61.0°F61.2°F-0.2°NCLIMGRID
2014Jun71.4°F70.6°F+0.8°NCLIMGRID
2014Jul70.2°F75.3°F-5.2°NCLIMGRID
2014Aug72.2°F72.4°F-0.2°NCLIMGRID
2014Sep63.0°F64.1°F-1.1°NCLIMGRID
2014Oct53.0°F52.1°F+0.9°NCLIMGRID
2014Nov31.8°F37.2°F-5.4°NCLIMGRID
2014Dec30.3°F24.4°F+5.9°NCLIMGRID
2015Jan24.3°F19.3°F+5.1°NCLIMGRID
2015Feb16.7°F25.2°F-8.5°NCLIMGRID
2015Mar39.6°F38.0°F+1.6°NCLIMGRID
2015Apr52.5°F50.6°F+1.9°NCLIMGRID
2015May60.8°F61.2°F-0.4°NCLIMGRID
2015Jun70.8°F70.6°F+0.2°NCLIMGRID
2015Jul73.7°F75.3°F-1.6°NCLIMGRID
2015Aug70.0°F72.4°F-2.4°NCLIMGRID
2015Sep69.4°F64.1°F+5.3°NCLIMGRID
2015Oct54.0°F52.1°F+1.9°NCLIMGRID
2015Nov44.5°F37.2°F+7.2°NCLIMGRID
2015Dec34.8°F24.4°F+10.4°NCLIMGRID
2016Jan21.8°F19.3°F+2.6°NCLIMGRID
2016Feb30.7°F25.2°F+5.6°NCLIMGRID
2016Mar44.9°F38.0°F+6.8°NCLIMGRID
2016Apr52.0°F50.6°F+1.3°NCLIMGRID
2016May60.1°F61.2°F-1.1°NCLIMGRID
2016Jun74.6°F70.6°F+4.0°NCLIMGRID
2016Jul73.6°F75.3°F-1.8°NCLIMGRID
2016Aug73.6°F72.4°F+1.2°NCLIMGRID
2016Sep69.3°F64.1°F+5.2°NCLIMGRID
2016Oct57.5°F52.1°F+5.5°NCLIMGRID
2016Nov47.0°F37.2°F+9.8°NCLIMGRID
2016Dec25.7°F24.4°F+1.3°NCLIMGRID
2017Jan26.8°F19.3°F+7.6°NCLIMGRID
2017Feb37.9°F25.2°F+12.7°NCLIMGRID
2017Mar40.8°F38.0°F+2.7°NCLIMGRID
2017Apr53.0°F50.6°F+2.4°NCLIMGRID
2017May60.0°F61.2°F-1.2°NCLIMGRID
2017Jun72.3°F70.6°F+1.7°NCLIMGRID
2017Jul77.7°F75.3°F+2.4°NCLIMGRID
2017Aug69.4°F72.4°F-3.0°NCLIMGRID
2017Sep68.6°F64.1°F+4.5°NCLIMGRID
2017Oct55.4°F52.1°F+3.3°NCLIMGRID
2017Nov38.2°F37.2°F+0.9°NCLIMGRID
2017Dec26.0°F24.4°F+1.6°NCLIMGRID
2018Jan20.0°F19.3°F+0.7°NCLIMGRID
2018Feb22.9°F25.2°F-2.3°NCLIMGRID
2018Mar37.7°F38.0°F-0.3°NCLIMGRID
2018Apr41.4°F50.6°F-9.2°NCLIMGRID
2018May68.6°F61.2°F+7.4°NCLIMGRID
2018Jun74.5°F70.6°F+3.9°NCLIMGRID
2018Jul74.8°F75.3°F-0.5°NCLIMGRID
2018Aug74.0°F72.4°F+1.6°NCLIMGRID
2018Sep67.6°F64.1°F+3.5°NCLIMGRID
2018Oct49.5°F52.1°F-2.6°NCLIMGRID
2018Nov31.0°F37.2°F-6.2°NCLIMGRID
2018Dec30.2°F24.4°F+5.8°NCLIMGRID
2019Jan20.9°F19.3°F+1.7°NCLIMGRID
2019Feb16.5°F25.2°F-8.6°NCLIMGRID
2019Mar33.1°F38.0°F-5.0°NCLIMGRID
2019Apr51.7°F50.6°F+1.0°NCLIMGRID
2019May57.6°F61.2°F-3.6°NCLIMGRID
2019Jun70.3°F70.6°F-0.3°NCLIMGRID
2019Jul76.4°F75.3°F+1.1°NCLIMGRID
2019Aug70.8°F72.4°F-1.6°NCLIMGRID
2019Sep70.2°F64.1°F+6.0°NCLIMGRID
2019Oct48.1°F52.1°F-3.9°NCLIMGRID
2019Nov34.5°F37.2°F-2.7°NCLIMGRID
2019Dec32.3°F24.4°F+7.9°NCLIMGRID
2020Jan24.8°F19.3°F+5.5°NCLIMGRID
2020Feb27.8°F25.2°F+2.6°NCLIMGRID
2020Mar43.1°F38.0°F+5.0°NCLIMGRID
2020Apr48.6°F50.6°F-2.1°NCLIMGRID
2020May58.9°F61.2°F-2.3°NCLIMGRID
2020Jun73.9°F70.6°F+3.3°NCLIMGRID
2020Jul76.8°F75.3°F+1.5°NCLIMGRID
2020Aug72.6°F72.4°F+0.2°NCLIMGRID
2020Sep62.9°F64.1°F-1.2°NCLIMGRID
2020Oct47.5°F52.1°F-4.6°NCLIMGRID
2020Nov44.2°F37.2°F+7.0°NCLIMGRID
2020Dec28.3°F24.4°F+3.9°NCLIMGRID
2021Jan25.4°F19.3°F+6.1°NCLIMGRID
2021Feb14.1°F25.2°F-11.0°NCLIMGRID
2021Mar44.4°F38.0°F+6.4°NCLIMGRID
2021Apr50.3°F50.6°F-0.3°NCLIMGRID
2021May59.8°F61.2°F-1.4°NCLIMGRID
2021Jun73.9°F70.6°F+3.2°NCLIMGRID
2021Jul74.4°F75.3°F-1.0°NCLIMGRID
2021Aug74.6°F72.4°F+2.2°NCLIMGRID
2021Sep68.3°F64.1°F+4.2°NCLIMGRID
2021Oct56.0°F52.1°F+3.9°NCLIMGRID
2021Nov41.0°F37.2°F+3.8°NCLIMGRID
2021Dec35.0°F24.4°F+10.6°NCLIMGRID
2022Jan17.5°F19.3°F-1.8°NCLIMGRID
2022Feb24.7°F25.2°F-0.5°NCLIMGRID
2022Mar38.8°F38.0°F+0.8°NCLIMGRID
2022Apr45.5°F50.6°F-5.2°NCLIMGRID
2022May62.4°F61.2°F+1.2°NCLIMGRID
2022Jun73.1°F70.6°F+2.5°NCLIMGRID
2022Jul76.2°F75.3°F+0.8°NCLIMGRID
2022Aug74.6°F72.4°F+2.1°NCLIMGRID
2022Sep66.9°F64.1°F+2.8°NCLIMGRID
2022Oct51.9°F52.1°F-0.2°NCLIMGRID
2022Nov38.7°F37.2°F+1.5°NCLIMGRID
2022Dec23.7°F24.4°F-0.7°NCLIMGRID
2023Jan27.6°F19.3°F+8.4°NCLIMGRID
2023Feb30.3°F25.2°F+5.1°NCLIMGRID
2023Mar36.7°F38.0°F-1.3°NCLIMGRID
2023Apr51.8°F50.6°F+1.1°NCLIMGRID
2023May63.7°F61.2°F+2.4°NCLIMGRID
2023Jun72.4°F70.6°F+1.8°NCLIMGRID
2023Jul73.9°F75.3°F-1.4°NCLIMGRID
2023Aug73.9°F72.4°F+1.5°NCLIMGRID
2023Sep68.5°F64.1°F+4.4°NCLIMGRID
2023Oct55.1°F52.1°F+3.0°NCLIMGRID
2023Nov40.6°F37.2°F+3.4°NCLIMGRID
2023Dec36.8°F24.4°F+12.4°NCLIMGRID
2024Jan21.6°F19.3°F+2.4°NCLIMGRID
2024Feb39.4°F25.2°F+14.3°NCLIMGRID
2024Mar42.6°F38.0°F+4.6°NCLIMGRID
2024Apr52.6°F50.6°F+2.0°NCLIMGRID
2024May63.1°F61.2°F+1.9°NCLIMGRID
2024Jun74.4°F70.6°F+3.7°NCLIMGRID
2024Jul74.0°F75.3°F-1.3°NCLIMGRID
2024Aug72.8°F72.4°F+0.4°NCLIMGRID
2024Sep67.5°F64.1°F+3.4°NCLIMGRID
2024Oct58.4°F52.1°F+6.4°NCLIMGRID
2024Nov42.8°F37.2°F+5.6°NCLIMGRID
2024Dec30.7°F24.4°F+6.3°NCLIMGRID
2025Jan20.7°F19.3°F+1.4°NCLIMGRID
2025Feb23.1°F25.2°F-2.1°NCLIMGRID
2025Mar44.5°F38.0°F+6.5°NCLIMGRID
2025Apr52.0°F50.6°F+1.4°NCLIMGRID
2025May60.3°F61.2°F-0.9°NCLIMGRID
2025Jun72.7°F70.6°F+2.1°NCLIMGRID
2025Jul76.6°F75.3°F+1.2°NCLIMGRID
2025Aug71.8°F72.4°F-0.6°NCLIMGRID
2025Sep69.0°F64.1°F+4.8°NCLIMGRID
2025Oct58.8°F52.1°F+6.7°NCLIMGRID
2025Nov41.3°F37.2°F+4.0°NCLIMGRID
2025Dec27.9°F24.4°F+3.5°NCLIMGRID
2026Jan22.3°F19.3°F+3.1°NCLIMGRID
2026Feb33.7°F25.2°F+8.5°NCLIMGRID

Showing 1,154 of 1,154 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 use NOAA's nClimGrid dataset, which provides homogenized temperature data on a 5km grid, for the nearest grid point with 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).

10

Initial gaps

0

Filled

10

Unfillable

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
January19.3°F26/26
February25.2°F26/26
March38.0°F26/26
April50.6°F26/26
May61.2°F26/26
June70.6°F26/26
July75.3°F26/26
August72.4°F26/26
September64.1°F26/26
October52.1°F26/26
November37.2°F26/26
December24.4°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

Frequently Asked Questions

Is Peru, Iowa getting warmer?

Based on 96+ years of NOAA temperature records, Peru has changed at a rate of approximately 0.06°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 Peru?

The warmest year on record in Peru was 1931, based on average annual temperature anomaly from NOAA station data.

Where does the temperature data for Peru come from?

Data comes from the nClimGrid 5km Grid Point weather station, part of NOAA's Global Historical Climatology Network. This station has recorded 96+ years of temperature observations used to build Peru's climate profile.

How are the climate visualizations for Peru created?

Three visualizations are generated from Peru'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 Peru's temperature data?

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

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