Climate Change in Pierce, Idaho

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

Based on our analysis of 96 years of temperature data near Pierce, ID, this area shows relatively stable temperatures of approximately +0.2°F per decade. 10 of the last 10 years recorded above-average temperatures, and 1934 was the warmest year on record at +3.7°F above the historical baseline.

Key Climate Facts

Rate of Change

+0.2°F

per decade

Warmest Year

1934

+3.7°F anomaly

Recent Warm Years

10 / 10

above-average years

Decade Shift

+1.2°F

2020s vs 1930s

Compared to the National Average

Pierce is warming at roughly the national average rate.

National: +0.20°F/decade
Pierce: +0.16°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 Pierce's long-term warming trend.

Temperature anomaly spiral for Pierce, Idaho
Climate spiral: monthly temperature anomalies from 96+ years of NOAA records for Pierce, ID.

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 Pierce, Idaho
Warming stripes: each stripe is one year of average temperature anomaly for Pierce, ID.

Temperature Trend

Annual temperature anomalies plotted over time with a linear regression trend line. The slope of +0.16°F per decade quantifies the rate of change.

Temperature trend chart for Pierce, Idaho
Linear trend: annual temperature anomalies with trend line for Pierce, ID.

Temperature by Decade

1930s
+0.19°F
1940s
+0.03°F
1950s
-0.43°F
1960s
-0.32°F
1970s
-0.44°F
1980s
+0.31°F
1990s
+0.58°F
2000s
+0.77°F
2010s
+1.14°F
2020s
+1.45°F

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

Anomaly Scale

-4.3°F Colder Normal +5.0°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 Pierce, ID. Filter by decade or download as CSV.

Data Sources & Audit

Station
nClimGrid 5km Grid Point
Distance
1.6 mi
Coverage
99.1%
Records
1,154
Range
1930-01 – 2026-02
Full Data Audit 1,154 records
YearMonthTempBaselineAnomalySourceGap
1930Jan11.3°F26.1°F-14.8°NCLIMGRID
1930Feb32.9°F30.3°F+2.6°NCLIMGRID
1930Mar35.4°F35.2°F+0.1°NCLIMGRID
1930Apr47.3°F41.8°F+5.5°NCLIMGRID
1930May48.6°F49.5°F-0.9°NCLIMGRID
1930Jun54.0°F57.1°F-3.1°NCLIMGRID
1930Jul64.1°F63.1°F+1.0°NCLIMGRID
1930Aug65.4°F62.8°F+2.7°NCLIMGRID
1930Sep54.5°F54.0°F+0.5°NCLIMGRID
1930Oct42.0°F43.5°F-1.5°NCLIMGRID
1930Nov31.3°F33.1°F-1.8°NCLIMGRID
1930Dec22.7°F26.5°F-3.7°NCLIMGRID
1931Jan28.9°F26.1°F+2.9°NCLIMGRID
1931Feb30.0°F30.3°F-0.3°NCLIMGRID
1931Mar35.1°F35.2°F-0.1°NCLIMGRID
1931Apr41.7°F41.8°F-0.1°NCLIMGRID
1931May52.9°F49.5°F+3.4°NCLIMGRID
1931Jun57.8°F57.1°F+0.7°NCLIMGRID
1931Jul65.4°F63.1°F+2.3°NCLIMGRID
1931Aug63.1°F62.8°F+0.4°NCLIMGRID
1931Sep52.4°F54.0°F-1.6°NCLIMGRID
1931Oct42.9°F43.5°F-0.6°NCLIMGRID
1931Nov29.9°F33.1°F-3.2°NCLIMGRID
1931Dec23.6°F26.5°F-2.8°NCLIMGRID
1932Jan24.3°F26.1°F-1.7°NCLIMGRID
1932Feb24.3°F30.3°F-6.0°NCLIMGRID
1932Mar33.1°F35.2°F-2.2°NCLIMGRID
1932Apr42.0°F41.8°F+0.2°NCLIMGRID
1932May49.3°F49.5°F-0.1°NCLIMGRID
1932Jun57.3°F57.1°F+0.3°NCLIMGRID
1932Jul62.3°F63.1°F-0.8°NCLIMGRID
1932Aug61.8°F62.8°F-1.0°NCLIMGRID
1932Sep52.9°F54.0°F-1.1°NCLIMGRID
1932Oct43.5°F43.5°F+0.0°NCLIMGRID
1932Nov36.6°F33.1°F+3.5°NCLIMGRID
1932Dec21.7°F26.5°F-4.8°NCLIMGRID
1933Jan27.2°F26.1°F+1.1°NCLIMGRID
1933Feb21.7°F30.3°F-8.6°NCLIMGRID
1933Mar35.1°F35.2°F-0.2°NCLIMGRID
1933Apr40.2°F41.8°F-1.6°NCLIMGRID
1933May45.4°F49.5°F-4.1°NCLIMGRID
1933Jun57.5°F57.1°F+0.4°NCLIMGRID
1933Jul63.7°F63.1°F+0.6°NCLIMGRID
1933Aug62.6°F62.8°F-0.1°NCLIMGRID
1933Sep50.6°F54.0°F-3.4°NCLIMGRID
1933Oct46.5°F43.5°F+3.0°NCLIMGRID
1933Nov36.6°F33.1°F+3.5°NCLIMGRID
1933Dec33.9°F26.5°F+7.4°NCLIMGRID
1934Jan34.1°F26.1°F+8.0°NCLIMGRID
1934Feb36.8°F30.3°F+6.5°NCLIMGRID
1934Mar42.1°F35.2°F+6.8°NCLIMGRID
1934Apr49.0°F41.8°F+7.2°NCLIMGRID
1934May54.8°F49.5°F+5.3°NCLIMGRID
1934Jun56.9°F57.1°F-0.1°NCLIMGRID
1934Jul63.8°F63.1°F+0.7°NCLIMGRID
1934Aug62.5°F62.8°F-0.3°NCLIMGRID
1934Sep51.0°F54.0°F-3.0°NCLIMGRID
1934Oct46.2°F43.5°F+2.7°NCLIMGRID
1934Nov40.0°F33.1°F+6.9°NCLIMGRID
1934Dec29.7°F26.5°F+3.3°NCLIMGRID
1935Jan25.9°F26.1°F-0.2°NCLIMGRID
1935Feb30.6°F30.3°F+0.3°NCLIMGRID
1935Mar31.7°F35.2°F-3.5°NCLIMGRID
1935Apr39.3°F41.8°F-2.5°NCLIMGRID
1935May48.0°F49.5°F-1.5°NCLIMGRID
1935Jun56.7°F57.1°F-0.4°NCLIMGRID
1935Jul63.2°F63.1°F+0.1°NCLIMGRID
1935Aug60.7°F62.8°F-2.1°NCLIMGRID
1935Sep56.4°F54.0°F+2.4°NCLIMGRID
1935Oct43.1°F43.5°F-0.4°NCLIMGRID
1935Nov30.0°F33.1°F-3.1°NCLIMGRID
1935Dec26.8°F26.5°F+0.4°NCLIMGRID
1936Jan27.9°F26.1°F+1.9°NCLIMGRID
1936Feb16.2°F30.3°F-14.1°NCLIMGRID
1936Mar33.3°F35.2°F-2.0°NCLIMGRID
1936Apr44.5°F41.8°F+2.7°NCLIMGRID
1936May54.6°F49.5°F+5.1°NCLIMGRID
1936Jun60.4°F57.1°F+3.3°NCLIMGRID
1936Jul65.9°F63.1°F+2.8°NCLIMGRID
1936Aug63.4°F62.8°F+0.6°NCLIMGRID
1936Sep53.3°F54.0°F-0.8°NCLIMGRID
1936Oct46.0°F43.5°F+2.5°NCLIMGRID
1936Nov28.0°F33.1°F-5.1°NCLIMGRID
1936Dec29.2°F26.5°F+2.7°NCLIMGRID
1937Jan9.4°F26.1°F-16.7°NCLIMGRID
1937Feb24.5°F30.3°F-5.8°NCLIMGRID
1937Mar36.5°F35.2°F+1.2°NCLIMGRID
1937Apr38.9°F41.8°F-2.8°NCLIMGRID
1937May50.7°F49.5°F+1.2°NCLIMGRID
1937Jun55.2°F57.1°F-1.9°NCLIMGRID
1937Jul65.5°F63.1°F+2.3°NCLIMGRID
1937Aug59.7°F62.8°F-3.1°NCLIMGRID
1937Sep56.2°F54.0°F+2.2°NCLIMGRID
1937Oct46.8°F43.5°F+3.3°NCLIMGRID
1937Nov37.2°F33.1°F+4.1°NCLIMGRID
1937Dec30.5°F26.5°F+4.0°NCLIMGRID
1938Jan29.1°F26.1°F+3.0°NCLIMGRID
1938Feb30.4°F30.3°F+0.1°NCLIMGRID
1938Mar35.6°F35.2°F+0.3°NCLIMGRID
1938Apr41.7°F41.8°F+0.0°NCLIMGRID
1938May49.3°F49.5°F-0.2°NCLIMGRID
1938Jun58.8°F57.1°F+1.7°NCLIMGRID
1938Jul65.7°F63.1°F+2.6°NCLIMGRID
1938Aug59.9°F62.8°F-2.8°NCLIMGRID
1938Sep60.7°F54.0°F+6.7°NCLIMGRID
1938Oct46.5°F43.5°F+3.0°NCLIMGRID
1938Nov30.8°F33.1°F-2.3°NCLIMGRID
1938Dec27.7°F26.5°F+1.2°NCLIMGRID
1939Jan31.2°F26.1°F+5.1°NCLIMGRID
1939Feb26.7°F30.3°F-3.7°NCLIMGRID
1939Mar37.1°F35.2°F+1.8°NCLIMGRID
1939Apr43.7°F41.8°F+1.9°NCLIMGRID
1939May52.5°F49.5°F+3.0°NCLIMGRID
1939Jun53.8°F57.1°F-3.3°NCLIMGRID
1939Jul64.4°F63.1°F+1.2°NCLIMGRID
1939Aug63.4°F62.8°F+0.7°NCLIMGRID
1939Sep55.1°F54.0°F+1.1°NCLIMGRID
1939Oct44.8°F43.5°F+1.3°NCLIMGRID
1939Nov34.4°F33.1°F+1.3°NCLIMGRID
1939Dec32.6°F26.5°F+6.2°NCLIMGRID
1940Jan26.6°F26.1°F+0.5°NCLIMGRID
1940Feb32.5°F30.3°F+2.2°NCLIMGRID
1940Mar38.5°F35.2°F+3.3°NCLIMGRID
1940Apr43.6°F41.8°F+1.8°NCLIMGRID
1940May52.8°F49.5°F+3.3°NCLIMGRID
1940Jun59.3°F57.1°F+2.2°NCLIMGRID
1940Jul64.4°F63.1°F+1.3°NCLIMGRID
1940Aug62.9°F62.8°F+0.1°NCLIMGRID
1940Sep58.2°F54.0°F+4.2°NCLIMGRID
1940Oct48.1°F43.5°F+4.6°NCLIMGRID
1940Nov29.9°F33.1°F-3.2°NCLIMGRID
1940Dec28.1°F26.5°F+1.7°NCLIMGRID
1941Jan28.3°F26.1°F+2.2°NCLIMGRID
1941Feb33.0°F30.3°F+2.6°NCLIMGRID
1941Mar39.6°F35.2°F+4.4°NCLIMGRID
1941Apr44.2°F41.8°F+2.4°NCLIMGRID
1941May51.0°F49.5°F+1.5°NCLIMGRID
1941Jun56.4°F57.1°F-0.7°NCLIMGRID
1941Jul65.8°F63.1°F+2.6°NCLIMGRID
1941Aug62.3°F62.8°F-0.5°NCLIMGRID
1941Sep49.2°F54.0°F-4.8°NCLIMGRID
1941Oct43.4°F43.5°F-0.1°NCLIMGRID
1941Nov34.8°F33.1°F+1.7°NCLIMGRID
1941Dec29.0°F26.5°F+2.6°NCLIMGRID
1942Jan21.0°F26.1°F-5.1°NCLIMGRID
1942Feb28.1°F30.3°F-2.3°NCLIMGRID
1942Mar34.8°F35.2°F-0.5°NCLIMGRID
1942Apr44.9°F41.8°F+3.1°NCLIMGRID
1942May47.7°F49.5°F-1.8°NCLIMGRID
1942Jun53.2°F57.1°F-3.9°NCLIMGRID
1942Jul63.9°F63.1°F+0.7°NCLIMGRID
1942Aug63.0°F62.8°F+0.2°NCLIMGRID
1942Sep55.0°F54.0°F+1.0°NCLIMGRID
1942Oct45.7°F43.5°F+2.2°NCLIMGRID
1942Nov33.2°F33.1°F+0.1°NCLIMGRID
1942Dec29.8°F26.5°F+3.3°NCLIMGRID
1943Jan21.4°F26.1°F-4.7°NCLIMGRID
1943Feb31.5°F30.3°F+1.2°NCLIMGRID
1943Mar31.9°F35.2°F-3.3°NCLIMGRID
1943Apr43.8°F41.8°F+2.1°NCLIMGRID
1943May46.3°F49.5°F-3.2°NCLIMGRID
1943Jun51.9°F57.1°F-5.2°NCLIMGRID
1943Jul62.5°F63.1°F-0.6°NCLIMGRID
1943Aug59.6°F62.8°F-3.2°NCLIMGRID
1943Sep55.4°F54.0°F+1.4°NCLIMGRID
1943Oct46.6°F43.5°F+3.1°NCLIMGRID
1943Nov33.9°F33.1°F+0.8°NCLIMGRID
1943Dec26.8°F26.5°F+0.4°NCLIMGRID
1944Jan25.7°F26.1°F-0.4°NCLIMGRID
1944Feb28.6°F30.3°F-1.8°NCLIMGRID
1944Mar31.3°F35.2°F-3.9°NCLIMGRID
1944Apr42.2°F41.8°F+0.4°NCLIMGRID
1944May50.6°F49.5°F+1.1°NCLIMGRID
1944Jun56.0°F57.1°F-1.0°NCLIMGRID
1944Jul62.1°F63.1°F-1.0°NCLIMGRID
1944Aug60.0°F62.8°F-2.8°NCLIMGRID
1944Sep55.7°F54.0°F+1.7°NCLIMGRID
1944Oct48.2°F43.5°F+4.7°NCLIMGRID
1944Nov33.8°F33.1°F+0.7°NCLIMGRID
1944Dec25.9°F26.5°F-0.5°NCLIMGRID
1945Jan28.5°F26.1°F+2.5°NCLIMGRID
1945Feb32.5°F30.3°F+2.1°NCLIMGRID
1945Mar34.0°F35.2°F-1.2°NCLIMGRID
1945Apr38.9°F41.8°F-2.9°NCLIMGRID
1945May50.0°F49.5°F+0.5°NCLIMGRID
1945Jun54.2°F57.1°F-2.9°NCLIMGRID
1945Jul64.0°F63.1°F+0.8°NCLIMGRID
1945Aug63.1°F62.8°F+0.3°NCLIMGRID
1945Sep51.5°F54.0°F-2.5°NCLIMGRID
1945Oct47.0°F43.5°F+3.5°NCLIMGRID
1945Nov33.8°F33.1°F+0.7°NCLIMGRID
1945Dec26.6°F26.5°F+0.2°NCLIMGRID
1946Jan28.9°F26.1°F+2.8°NCLIMGRID
1946Feb31.0°F30.3°F+0.7°NCLIMGRID
1946Mar38.1°F35.2°F+2.9°NCLIMGRID
1946Apr44.0°F41.8°F+2.2°NCLIMGRID
1946May50.2°F49.5°F+0.7°NCLIMGRID
1946Jun54.6°F57.1°F-2.5°NCLIMGRID
1946Jul62.6°F63.1°F-0.5°NCLIMGRID
1946Aug62.6°F62.8°F-0.2°NCLIMGRID
1946Sep53.6°F54.0°F-0.5°NCLIMGRID
1946Oct40.5°F43.5°F-3.0°NCLIMGRID
1946Nov32.8°F33.1°F-0.3°NCLIMGRID
1946Dec29.5°F26.5°F+3.1°NCLIMGRID
1947Jan22.8°F26.1°F-3.3°NCLIMGRID
1947Feb31.8°F30.3°F+1.5°NCLIMGRID
1947Mar39.0°F35.2°F+3.8°NCLIMGRID
1947Apr42.9°F41.8°F+1.1°NCLIMGRID
1947May53.9°F49.5°F+4.4°NCLIMGRID
1947Jun54.3°F57.1°F-2.8°NCLIMGRID
1947Jul62.9°F63.1°F-0.2°NCLIMGRID
1947Aug60.0°F62.8°F-2.8°NCLIMGRID
1947Sep54.3°F54.0°F+0.3°NCLIMGRID
1947Oct47.2°F43.5°F+3.7°NCLIMGRID
1947Nov33.5°F33.1°F+0.4°NCLIMGRID
1947Dec30.8°F26.5°F+4.4°NCLIMGRID
1948Jan26.0°F26.1°F-0.1°NCLIMGRID
1948Feb29.2°F30.3°F-1.1°NCLIMGRID
1948Mar32.2°F35.2°F-3.0°NCLIMGRID
1948Apr41.0°F41.8°F-0.8°NCLIMGRID
1948May49.4°F49.5°F-0.1°NCLIMGRID
1948Jun59.9°F57.1°F+2.8°NCLIMGRID
1948Jul59.7°F63.1°F-3.5°NCLIMGRID
1948Aug59.1°F62.8°F-3.7°NCLIMGRID
1948Sep53.4°F54.0°F-0.6°NCLIMGRID
1948Oct43.6°F43.5°F+0.1°NCLIMGRID
1948Nov33.0°F33.1°F-0.1°NCLIMGRID
1948Dec20.1°F26.5°F-6.4°NCLIMGRID
1949Jan8.9°F26.1°F-17.2°NCLIMGRID
1949Feb25.8°F30.3°F-4.5°NCLIMGRID
1949Mar34.8°F35.2°F-0.4°NCLIMGRID
1949Apr44.8°F41.8°F+3.1°NCLIMGRID
1949May53.2°F49.5°F+3.7°NCLIMGRID
1949Jun56.0°F57.1°F-1.1°NCLIMGRID
1949Jul61.4°F63.1°F-1.7°NCLIMGRID
1949Aug63.2°F62.8°F+0.4°NCLIMGRID
1949Sep55.4°F54.0°F+1.4°NCLIMGRID
1949Oct38.9°F43.5°F-4.6°NCLIMGRID
1949Nov37.6°F33.1°F+4.5°NCLIMGRID
1949Dec26.7°F26.5°F+0.2°NCLIMGRID
1950Jan15.1°F26.1°F-11.0°NCLIMGRID
1950Feb26.9°F30.3°F-3.4°NCLIMGRID
1950Mar33.5°F35.2°F-1.7°NCLIMGRID
1950Apr39.4°F41.8°F-2.4°NCLIMGRID
1950May46.7°F49.5°F-2.8°NCLIMGRID
1950Jun55.2°F57.1°F-1.9°NCLIMGRID
1950Jul62.0°F63.1°F-1.2°NCLIMGRID
1950Aug62.3°F62.8°F-0.4°NCLIMGRID
1950Sep54.1°F54.0°F+0.0°NCLIMGRID
1950Oct45.5°F43.5°F+2.0°NCLIMGRID
1950Nov34.5°F33.1°F+1.4°NCLIMGRID
1950Dec33.9°F26.5°F+7.4°NCLIMGRID
1951Jan25.4°F26.1°F-0.6°NCLIMGRID
1951Feb29.3°F30.3°F-1.1°NCLIMGRID
1951Mar31.6°F35.2°F-3.6°NCLIMGRID
1951Apr42.7°F41.8°F+0.9°NCLIMGRID
1951May49.8°F49.5°F+0.3°NCLIMGRID
1951Jun53.6°F57.1°F-3.5°NCLIMGRID
1951Jul64.4°F63.1°F+1.2°NCLIMGRID
1951Aug61.7°F62.8°F-1.1°NCLIMGRID
1951Sep54.4°F54.0°F+0.4°NCLIMGRID
1951Oct42.2°F43.5°F-1.3°NCLIMGRID
1951Nov32.6°F33.1°F-0.5°NCLIMGRID
1951Dec25.0°F26.5°F-1.5°NCLIMGRID
1952Jan23.0°F26.1°F-3.1°NCLIMGRID
1952Feb28.0°F30.3°F-2.3°NCLIMGRID
1952Mar32.4°F35.2°F-2.9°NCLIMGRID
1952Apr45.2°F41.8°F+3.4°NCLIMGRID
1952May50.9°F49.5°F+1.4°NCLIMGRID
1952Jun55.9°F57.1°F-1.2°NCLIMGRID
1952Jul61.9°F63.1°F-1.3°NCLIMGRID
1952Aug61.3°F62.8°F-1.5°NCLIMGRID
1952Sep55.6°F54.0°F+1.6°NCLIMGRID
1952Oct47.0°F43.5°F+3.5°NCLIMGRID
1952Nov29.8°F33.1°F-3.3°NCLIMGRID
1952Dec29.0°F26.5°F+2.6°NCLIMGRID
1953Jan34.7°F26.1°F+8.6°NCLIMGRID
1953Feb32.2°F30.3°F+1.9°NCLIMGRID
1953Mar35.9°F35.2°F+0.6°NCLIMGRID
1953Apr41.1°F41.8°F-0.7°NCLIMGRID
1953May46.7°F49.5°F-2.8°NCLIMGRID
1953Jun52.7°F57.1°F-4.4°NCLIMGRID
1953Jul62.4°F63.1°F-0.8°NCLIMGRID
1953Aug62.1°F62.8°F-0.7°NCLIMGRID
1953Sep56.1°F54.0°F+2.1°NCLIMGRID
1953Oct45.8°F43.5°F+2.3°NCLIMGRID
1953Nov36.1°F33.1°F+3.0°NCLIMGRID
1953Dec31.1°F26.5°F+4.7°NCLIMGRID
1954Jan26.6°F26.1°F+0.6°NCLIMGRID
1954Feb34.1°F30.3°F+3.8°NCLIMGRID
1954Mar32.4°F35.2°F-2.8°NCLIMGRID
1954Apr40.9°F41.8°F-0.9°NCLIMGRID
1954May50.9°F49.5°F+1.4°NCLIMGRID
1954Jun52.6°F57.1°F-4.5°NCLIMGRID
1954Jul62.1°F63.1°F-1.0°NCLIMGRID
1954Aug58.1°F62.8°F-4.7°NCLIMGRID
1954Sep53.5°F54.0°F-0.5°NCLIMGRID
1954Oct42.1°F43.5°F-1.4°NCLIMGRID
1954Nov37.4°F33.1°F+4.3°NCLIMGRID
1954Dec26.8°F26.5°F+0.3°NCLIMGRID
1955Jan26.4°F26.1°F+0.3°NCLIMGRID
1955Feb25.9°F30.3°F-4.4°NCLIMGRID
1955Mar27.2°F35.2°F-8.0°NCLIMGRID
1955Apr37.0°F41.8°F-4.8°NCLIMGRID
1955May45.9°F49.5°F-3.5°NCLIMGRID
1955Jun56.2°F57.1°F-0.9°NCLIMGRID
1955Jul61.2°F63.1°F-2.0°NCLIMGRID
1955Aug61.3°F62.8°F-1.4°NCLIMGRID
1955Sep53.1°F54.0°F-0.9°NCLIMGRID
1955Oct44.9°F43.5°F+1.4°NCLIMGRID
1955Nov26.6°F33.1°F-6.5°NCLIMGRID
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1984Jul64.6°F63.1°F+1.5°NCLIMGRID
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1984Nov33.0°F33.1°F-0.1°NCLIMGRID
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1985Apr43.1°F41.8°F+1.3°NCLIMGRID
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1986Apr42.1°F41.8°F+0.3°NCLIMGRID
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1986Jul58.5°F63.1°F-4.7°NCLIMGRID
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1986Nov32.5°F33.1°F-0.6°NCLIMGRID
1986Dec26.7°F26.5°F+0.2°NCLIMGRID
1987Jan25.1°F26.1°F-1.0°NCLIMGRID
1987Feb31.4°F30.3°F+1.1°NCLIMGRID
1987Mar36.6°F35.2°F+1.4°NCLIMGRID
1987Apr48.9°F41.8°F+7.1°NCLIMGRID
1987May54.4°F49.5°F+4.9°NCLIMGRID
1987Jun60.0°F57.1°F+2.9°NCLIMGRID
1987Jul61.0°F63.1°F-2.2°NCLIMGRID
1987Aug60.2°F62.8°F-2.6°NCLIMGRID
1987Sep58.8°F54.0°F+4.8°NCLIMGRID
1987Oct48.7°F43.5°F+5.2°NCLIMGRID
1987Nov36.0°F33.1°F+2.9°NCLIMGRID
1987Dec26.4°F26.5°F+0.0°NCLIMGRID
1988Jan25.0°F26.1°F-1.1°NCLIMGRID
1988Feb32.0°F30.3°F+1.7°NCLIMGRID
1988Mar35.2°F35.2°F-0.1°NCLIMGRID
1988Apr45.6°F41.8°F+3.8°NCLIMGRID
1988May49.4°F49.5°F-0.1°NCLIMGRID
1988Jun58.8°F57.1°F+1.7°NCLIMGRID
1988Jul62.9°F63.1°F-0.2°NCLIMGRID
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1988Sep54.2°F54.0°F+0.2°NCLIMGRID
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1988Nov33.5°F33.1°F+0.4°NCLIMGRID
1988Dec26.8°F26.5°F+0.3°NCLIMGRID
1989Jan27.0°F26.1°F+0.9°NCLIMGRID
1989Feb21.6°F30.3°F-8.8°NCLIMGRID
1989Mar34.4°F35.2°F-0.8°NCLIMGRID
1989Apr44.9°F41.8°F+3.1°NCLIMGRID
1989May48.4°F49.5°F-1.0°NCLIMGRID
1989Jun58.9°F57.1°F+1.8°NCLIMGRID
1989Jul64.8°F63.1°F+1.7°NCLIMGRID
1989Aug59.5°F62.8°F-3.2°NCLIMGRID
1989Sep56.4°F54.0°F+2.4°NCLIMGRID
1989Oct44.2°F43.5°F+0.7°NCLIMGRID
1989Nov35.8°F33.1°F+2.7°NCLIMGRID
1989Dec29.4°F26.5°F+3.0°NCLIMGRID
1990Jan29.4°F26.1°F+3.3°NCLIMGRID
1990Feb27.3°F30.3°F-3.1°NCLIMGRID
1990Mar37.7°F35.2°F+2.5°NCLIMGRID
1990Apr46.4°F41.8°F+4.6°NCLIMGRID
1990May47.8°F49.5°F-1.7°NCLIMGRID
1990Jun56.7°F57.1°F-0.4°NCLIMGRID
1990Jul65.5°F63.1°F+2.4°NCLIMGRID
1990Aug64.0°F62.8°F+1.2°NCLIMGRID
1990Sep61.5°F54.0°F+7.4°NCLIMGRID
1990Oct41.6°F43.5°F-1.9°NCLIMGRID
1990Nov34.3°F33.1°F+1.1°NCLIMGRID
1990Dec16.1°F26.5°F-10.3°NCLIMGRID
1991Jan24.5°F26.1°F-1.6°NCLIMGRID
1991Feb36.2°F30.3°F+5.9°NCLIMGRID
1991Mar33.2°F35.2°F-2.0°NCLIMGRID
1991Apr41.9°F41.8°F+0.1°NCLIMGRID
1991May47.4°F49.5°F-2.0°NCLIMGRID
1991Jun52.4°F57.1°F-4.7°NCLIMGRID
1991Jul64.1°F63.1°F+1.0°NCLIMGRID
1991Aug65.6°F62.8°F+2.8°NCLIMGRID
1991Sep56.5°F54.0°F+2.5°NCLIMGRID
1991Oct44.1°F43.5°F+0.6°NCLIMGRID
1991Nov31.9°F33.1°F-1.2°NCLIMGRID
1991Dec29.8°F26.5°F+3.3°NCLIMGRID
1992Jan29.4°F26.1°F+3.4°NCLIMGRID
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1992Mar43.1°F35.2°F+7.9°NCLIMGRID
1992Apr45.8°F41.8°F+4.0°NCLIMGRID
1992May55.4°F49.5°F+5.9°NCLIMGRID
1992Jun61.7°F57.1°F+4.6°NCLIMGRID
1992Jul60.5°F63.1°F-2.6°NCLIMGRID
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1992Nov30.6°F33.1°F-2.5°NCLIMGRID
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1993Jan23.4°F26.1°F-2.7°NCLIMGRID
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1993Nov29.2°F33.1°F-3.9°NCLIMGRID
1993Dec28.4°F26.5°F+1.9°NCLIMGRID
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1994Feb28.0°F30.3°F-2.3°NCLIMGRID
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1994Apr44.5°F41.8°F+2.7°NCLIMGRID
1994May53.1°F49.5°F+3.6°NCLIMGRID
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1994Jul66.0°F63.1°F+2.9°NCLIMGRID
1994Aug65.6°F62.8°F+2.8°NCLIMGRID
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1994Oct43.9°F43.5°F+0.4°NCLIMGRID
1994Nov27.5°F33.1°F-5.6°NCLIMGRID
1994Dec27.1°F26.5°F+0.7°NCLIMGRID
1995Jan30.4°F26.1°F+4.3°NCLIMGRID
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1995Mar35.2°F35.2°F+0.0°NCLIMGRID
1995Apr40.4°F41.8°F-1.4°NCLIMGRID
1995May51.6°F49.5°F+2.1°NCLIMGRID
1995Jun55.0°F57.1°F-2.1°NCLIMGRID
1995Jul61.9°F63.1°F-1.3°NCLIMGRID
1995Aug59.3°F62.8°F-3.5°NCLIMGRID
1995Sep56.7°F54.0°F+2.7°NCLIMGRID
1995Oct39.3°F43.5°F-4.2°NCLIMGRID
1995Nov37.1°F33.1°F+4.0°NCLIMGRID
1995Dec28.2°F26.5°F+1.8°NCLIMGRID
1996Jan25.7°F26.1°F-0.4°NCLIMGRID
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1996Apr42.9°F41.8°F+1.1°NCLIMGRID
1996May45.7°F49.5°F-3.8°NCLIMGRID
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1996Jul66.0°F63.1°F+2.9°NCLIMGRID
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1996Nov33.5°F33.1°F+0.4°NCLIMGRID
1996Dec26.1°F26.5°F-0.4°NCLIMGRID
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1997Mar34.1°F35.2°F-1.2°NCLIMGRID
1997Apr39.0°F41.8°F-2.8°NCLIMGRID
1997May52.4°F49.5°F+3.0°NCLIMGRID
1997Jun55.7°F57.1°F-1.4°NCLIMGRID
1997Jul60.8°F63.1°F-2.3°NCLIMGRID
1997Aug64.9°F62.8°F+2.2°NCLIMGRID
1997Sep56.4°F54.0°F+2.4°NCLIMGRID
1997Oct42.1°F43.5°F-1.4°NCLIMGRID
1997Nov37.1°F33.1°F+4.0°NCLIMGRID
1997Dec28.2°F26.5°F+1.7°NCLIMGRID
1998Jan28.7°F26.1°F+2.7°NCLIMGRID
1998Feb33.6°F30.3°F+3.2°NCLIMGRID
1998Mar36.4°F35.2°F+1.2°NCLIMGRID
1998Apr43.4°F41.8°F+1.7°NCLIMGRID
1998May51.4°F49.5°F+1.9°NCLIMGRID
1998Jun55.6°F57.1°F-1.5°NCLIMGRID
1998Jul69.1°F63.1°F+5.9°NCLIMGRID
1998Aug66.3°F62.8°F+3.5°NCLIMGRID
1998Sep60.7°F54.0°F+6.7°NCLIMGRID
1998Oct43.4°F43.5°F-0.1°NCLIMGRID
1998Nov34.5°F33.1°F+1.4°NCLIMGRID
1998Dec23.8°F26.5°F-2.7°NCLIMGRID
1999Jan28.8°F26.1°F+2.7°NCLIMGRID
1999Feb28.6°F30.3°F-1.7°NCLIMGRID
1999Mar35.3°F35.2°F+0.1°NCLIMGRID
1999Apr39.6°F41.8°F-2.2°NCLIMGRID
1999May46.2°F49.5°F-3.3°NCLIMGRID
1999Jun53.8°F57.1°F-3.3°NCLIMGRID
1999Jul60.7°F63.1°F-2.5°NCLIMGRID
1999Aug64.4°F62.8°F+1.6°NCLIMGRID
1999Sep53.1°F54.0°F-0.9°NCLIMGRID
1999Oct44.9°F43.5°F+1.4°NCLIMGRID
1999Nov40.0°F33.1°F+6.9°NCLIMGRID
1999Dec29.7°F26.5°F+3.2°NCLIMGRID
2000Jan28.8°F26.1°F+2.7°NCLIMGRID
2000Feb33.5°F30.3°F+3.2°NCLIMGRID
2000Mar37.8°F35.2°F+2.6°NCLIMGRID
2000Apr46.1°F41.8°F+4.3°NCLIMGRID
2000May50.1°F49.5°F+0.6°NCLIMGRID
2000Jun56.1°F57.1°F-1.0°NCLIMGRID
2000Jul62.7°F63.1°F-0.5°NCLIMGRID
2000Aug62.5°F62.8°F-0.3°NCLIMGRID
2000Sep51.8°F54.0°F-2.2°NCLIMGRID
2000Oct44.5°F43.5°F+1.0°NCLIMGRID
2000Nov28.8°F33.1°F-4.3°NCLIMGRID
2000Dec26.8°F26.5°F+0.4°NCLIMGRID
2001Jan29.0°F26.1°F+2.9°NCLIMGRID
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2001Apr41.1°F41.8°F-0.7°NCLIMGRID
2001May51.4°F49.5°F+1.9°NCLIMGRID
2001Jun54.5°F57.1°F-2.6°NCLIMGRID
2001Jul62.7°F63.1°F-0.5°NCLIMGRID
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2002Jan28.4°F26.1°F+2.3°NCLIMGRID
2002Feb29.4°F30.3°F-1.0°NCLIMGRID
2002Mar32.3°F35.2°F-2.9°NCLIMGRID
2002Apr41.1°F41.8°F-0.7°NCLIMGRID
2002May47.6°F49.5°F-1.8°NCLIMGRID
2002Jun57.1°F57.1°F+0.0°NCLIMGRID
2002Jul65.6°F63.1°F+2.4°NCLIMGRID
2002Aug58.6°F62.8°F-4.1°NCLIMGRID
2002Sep54.4°F54.0°F+0.4°NCLIMGRID
2002Oct40.4°F43.5°F-3.1°NCLIMGRID
2002Nov35.9°F33.1°F+2.8°NCLIMGRID
2002Dec31.4°F26.5°F+4.9°NCLIMGRID
2003Jan33.2°F26.1°F+7.1°NCLIMGRID
2003Feb30.0°F30.3°F-0.3°NCLIMGRID
2003Mar37.0°F35.2°F+1.7°NCLIMGRID
2003Apr42.6°F41.8°F+0.8°NCLIMGRID
2003May49.4°F49.5°F-0.1°NCLIMGRID
2003Jun58.7°F57.1°F+1.6°NCLIMGRID
2003Jul66.8°F63.1°F+3.6°NCLIMGRID
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2003Sep55.9°F54.0°F+1.8°NCLIMGRID
2003Oct47.5°F43.5°F+4.0°NCLIMGRID
2003Nov30.0°F33.1°F-3.1°NCLIMGRID
2003Dec29.5°F26.5°F+3.1°NCLIMGRID
2004Jan26.9°F26.1°F+0.9°NCLIMGRID
2004Feb31.6°F30.3°F+1.2°NCLIMGRID
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2004Apr45.7°F41.8°F+3.9°NCLIMGRID
2004May48.7°F49.5°F-0.7°NCLIMGRID
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2004Aug63.1°F62.8°F+0.4°NCLIMGRID
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2004Nov35.3°F33.1°F+2.2°NCLIMGRID
2004Dec30.8°F26.5°F+4.3°NCLIMGRID
2005Jan30.6°F26.1°F+4.5°NCLIMGRID
2005Feb33.3°F30.3°F+2.9°NCLIMGRID
2005Mar39.0°F35.2°F+3.8°NCLIMGRID
2005Apr43.3°F41.8°F+1.5°NCLIMGRID
2005May51.0°F49.5°F+1.6°NCLIMGRID
2005Jun54.4°F57.1°F-2.7°NCLIMGRID
2005Jul63.5°F63.1°F+0.4°NCLIMGRID
2005Aug63.5°F62.8°F+0.7°NCLIMGRID
2005Sep51.8°F54.0°F-2.2°NCLIMGRID
2005Oct45.5°F43.5°F+2.0°NCLIMGRID
2005Nov33.8°F33.1°F+0.7°NCLIMGRID
2005Dec25.4°F26.5°F-1.1°NCLIMGRID
2006Jan31.9°F26.1°F+5.9°NCLIMGRID
2006Feb27.7°F30.3°F-2.6°NCLIMGRID
2006Mar36.0°F35.2°F+0.7°NCLIMGRID
2006Apr44.0°F41.8°F+2.2°NCLIMGRID
2006May52.8°F49.5°F+3.3°NCLIMGRID
2006Jun59.6°F57.1°F+2.5°NCLIMGRID
2006Jul67.6°F63.1°F+4.5°NCLIMGRID
2006Aug61.7°F62.8°F-1.1°NCLIMGRID
2006Sep54.8°F54.0°F+0.8°NCLIMGRID
2006Oct43.2°F43.5°F-0.3°NCLIMGRID
2006Nov34.0°F33.1°F+0.9°NCLIMGRID
2006Dec28.8°F26.5°F+2.4°NCLIMGRID
2007Jan24.2°F26.1°F-1.9°NCLIMGRID
2007Feb32.7°F30.3°F+2.4°NCLIMGRID
2007Mar39.3°F35.2°F+4.0°NCLIMGRID
2007Apr43.5°F41.8°F+1.7°NCLIMGRID
2007May50.5°F49.5°F+1.0°NCLIMGRID
2007Jun57.3°F57.1°F+0.2°NCLIMGRID
2007Jul69.7°F63.1°F+6.6°NCLIMGRID
2007Aug62.0°F62.8°F-0.8°NCLIMGRID
2007Sep54.0°F54.0°F+0.0°NCLIMGRID
2007Oct43.6°F43.5°F+0.1°NCLIMGRID
2007Nov33.8°F33.1°F+0.7°NCLIMGRID
2007Dec27.2°F26.5°F+0.7°NCLIMGRID
2008Jan23.0°F26.1°F-3.1°NCLIMGRID
2008Feb31.7°F30.3°F+1.4°NCLIMGRID
2008Mar33.0°F35.2°F-2.3°NCLIMGRID
2008Apr37.5°F41.8°F-4.2°NCLIMGRID
2008May48.8°F49.5°F-0.7°NCLIMGRID
2008Jun54.3°F57.1°F-2.8°NCLIMGRID
2008Jul62.3°F63.1°F-0.8°NCLIMGRID
2008Aug62.2°F62.8°F-0.6°NCLIMGRID
2008Sep54.0°F54.0°F-0.1°NCLIMGRID
2008Oct44.5°F43.5°F+1.0°NCLIMGRID
2008Nov37.6°F33.1°F+4.5°NCLIMGRID
2008Dec24.0°F26.5°F-2.4°NCLIMGRID
2009Jan26.7°F26.1°F+0.6°NCLIMGRID
2009Feb31.4°F30.3°F+1.1°NCLIMGRID
2009Mar31.4°F35.2°F-3.9°NCLIMGRID
2009Apr41.3°F41.8°F-0.5°NCLIMGRID
2009May50.3°F49.5°F+0.8°NCLIMGRID
2009Jun57.1°F57.1°F+0.0°NCLIMGRID
2009Jul64.1°F63.1°F+0.9°NCLIMGRID
2009Aug62.9°F62.8°F+0.1°NCLIMGRID
2009Sep58.2°F54.0°F+4.2°NCLIMGRID
2009Oct39.5°F43.5°F-4.0°NCLIMGRID
2009Nov34.6°F33.1°F+1.5°NCLIMGRID
2009Dec22.1°F26.5°F-4.4°NCLIMGRID
2010Jan32.4°F26.1°F+6.3°NCLIMGRID
2010Feb34.3°F30.3°F+4.0°NCLIMGRID
2010Mar38.4°F35.2°F+3.2°NCLIMGRID
2010Apr41.9°F41.8°F+0.2°NCLIMGRID
2010May45.8°F49.5°F-3.7°NCLIMGRID
2010Jun55.0°F57.1°F-2.1°NCLIMGRID
2010Jul61.4°F63.1°F-1.7°NCLIMGRID
2010Aug61.4°F62.8°F-1.3°NCLIMGRID
2010Sep54.7°F54.0°F+0.7°NCLIMGRID
2010Oct46.6°F43.5°F+3.1°NCLIMGRID
2010Nov32.5°F33.1°F-0.6°NCLIMGRID
2010Dec27.9°F26.5°F+1.4°NCLIMGRID
2011Jan28.1°F26.1°F+2.0°NCLIMGRID
2011Feb27.3°F30.3°F-3.0°NCLIMGRID
2011Mar35.9°F35.2°F+0.7°NCLIMGRID
2011Apr37.4°F41.8°F-4.4°NCLIMGRID
2011May46.4°F49.5°F-3.0°NCLIMGRID
2011Jun53.6°F57.1°F-3.5°NCLIMGRID
2011Jul60.7°F63.1°F-2.5°NCLIMGRID
2011Aug64.3°F62.8°F+1.5°NCLIMGRID
2011Sep58.8°F54.0°F+4.7°NCLIMGRID
2011Oct46.0°F43.5°F+2.5°NCLIMGRID
2011Nov31.7°F33.1°F-1.4°NCLIMGRID
2011Dec27.9°F26.5°F+1.4°NCLIMGRID
2012Jan28.1°F26.1°F+2.0°NCLIMGRID
2012Feb30.3°F30.3°F+0.0°NCLIMGRID
2012Mar35.9°F35.2°F+0.7°NCLIMGRID
2012Apr44.7°F41.8°F+2.9°NCLIMGRID
2012May48.0°F49.5°F-1.5°NCLIMGRID
2012Jun54.8°F57.1°F-2.3°NCLIMGRID
2012Jul66.0°F63.1°F+2.8°NCLIMGRID
2012Aug64.6°F62.8°F+1.9°NCLIMGRID
2012Sep56.9°F54.0°F+2.9°NCLIMGRID
2012Oct42.9°F43.5°F-0.6°NCLIMGRID
2012Nov37.4°F33.1°F+4.3°NCLIMGRID
2012Dec28.8°F26.5°F+2.4°NCLIMGRID
2013Jan25.6°F26.1°F-0.5°NCLIMGRID
2013Feb30.3°F30.3°F-0.1°NCLIMGRID
2013Mar36.2°F35.2°F+1.0°NCLIMGRID
2013Apr40.6°F41.8°F-1.2°NCLIMGRID
2013May50.5°F49.5°F+1.1°NCLIMGRID
2013Jun57.6°F57.1°F+0.5°NCLIMGRID
2013Jul66.7°F63.1°F+3.5°NCLIMGRID
2013Aug65.7°F62.8°F+2.9°NCLIMGRID
2013Sep56.6°F54.0°F+2.6°NCLIMGRID
2013Oct41.9°F43.5°F-1.6°NCLIMGRID
2013Nov33.9°F33.1°F+0.8°NCLIMGRID
2013Dec23.8°F26.5°F-2.6°NCLIMGRID
2014Jan29.9°F26.1°F+3.8°NCLIMGRID
2014Feb26.9°F30.3°F-3.4°NCLIMGRID
2014Mar36.2°F35.2°F+1.0°NCLIMGRID
2014Apr42.2°F41.8°F+0.4°NCLIMGRID
2014May51.1°F49.5°F+1.6°NCLIMGRID
2014Jun55.1°F57.1°F-2.0°NCLIMGRID
2014Jul67.7°F63.1°F+4.5°NCLIMGRID
2014Aug64.1°F62.8°F+1.3°NCLIMGRID
2014Sep56.6°F54.0°F+2.6°NCLIMGRID
2014Oct48.3°F43.5°F+4.8°NCLIMGRID
2014Nov32.3°F33.1°F-0.8°NCLIMGRID
2014Dec31.1°F26.5°F+4.7°NCLIMGRID
2015Jan31.0°F26.1°F+4.9°NCLIMGRID
2015Feb36.0°F30.3°F+5.7°NCLIMGRID
2015Mar41.0°F35.2°F+5.7°NCLIMGRID
2015Apr42.8°F41.8°F+1.0°NCLIMGRID
2015May53.5°F49.5°F+4.0°NCLIMGRID
2015Jun64.1°F57.1°F+7.0°NCLIMGRID
2015Jul65.0°F63.1°F+1.9°NCLIMGRID
2015Aug65.0°F62.8°F+2.2°NCLIMGRID
2015Sep54.0°F54.0°F-0.1°NCLIMGRID
2015Oct50.3°F43.5°F+6.8°NCLIMGRID
2015Nov32.8°F33.1°F-0.3°NCLIMGRID
2015Dec28.1°F26.5°F+1.6°NCLIMGRID
2016Jan30.0°F26.1°F+3.9°NCLIMGRID
2016Feb35.3°F30.3°F+5.0°NCLIMGRID
2016Mar38.2°F35.2°F+3.0°NCLIMGRID
2016Apr48.8°F41.8°F+7.0°NCLIMGRID
2016May52.0°F49.5°F+2.6°NCLIMGRID
2016Jun58.9°F57.1°F+1.8°NCLIMGRID
2016Jul61.3°F63.1°F-1.8°NCLIMGRID
2016Aug62.4°F62.8°F-0.4°NCLIMGRID
2016Sep53.2°F54.0°F-0.8°NCLIMGRID
2016Oct45.0°F43.5°F+1.5°NCLIMGRID
2016Nov40.3°F33.1°F+7.2°NCLIMGRID
2016Dec22.8°F26.5°F-3.7°NCLIMGRID
2017Jan22.9°F26.1°F-3.2°NCLIMGRID
2017Feb30.7°F30.3°F+0.4°NCLIMGRID
2017Mar37.8°F35.2°F+2.5°NCLIMGRID
2017Apr41.5°F41.8°F-0.3°NCLIMGRID
2017May51.0°F49.5°F+1.5°NCLIMGRID
2017Jun58.4°F57.1°F+1.3°NCLIMGRID
2017Jul67.6°F63.1°F+4.4°NCLIMGRID
2017Aug65.9°F62.8°F+3.1°NCLIMGRID
2017Sep55.2°F54.0°F+1.2°NCLIMGRID
2017Oct42.3°F43.5°F-1.2°NCLIMGRID
2017Nov34.7°F33.1°F+1.6°NCLIMGRID
2017Dec27.2°F26.5°F+0.8°NCLIMGRID
2018Jan32.6°F26.1°F+6.6°NCLIMGRID
2018Feb27.8°F30.3°F-2.5°NCLIMGRID
2018Mar36.1°F35.2°F+0.9°NCLIMGRID
2018Apr42.6°F41.8°F+0.8°NCLIMGRID
2018May55.0°F49.5°F+5.6°NCLIMGRID
2018Jun55.3°F57.1°F-1.7°NCLIMGRID
2018Jul64.7°F63.1°F+1.6°NCLIMGRID
2018Aug62.5°F62.8°F-0.3°NCLIMGRID
2018Sep52.6°F54.0°F-1.4°NCLIMGRID
2018Oct43.9°F43.5°F+0.4°NCLIMGRID
2018Nov34.7°F33.1°F+1.6°NCLIMGRID
2018Dec27.5°F26.5°F+1.1°NCLIMGRID
2019Jan29.8°F26.1°F+3.8°NCLIMGRID
2019Feb24.7°F30.3°F-5.6°NCLIMGRID
2019Mar34.2°F35.2°F-1.1°NCLIMGRID
2019Apr42.4°F41.8°F+0.6°NCLIMGRID
2019May52.0°F49.5°F+2.6°NCLIMGRID
2019Jun57.3°F57.1°F+0.2°NCLIMGRID
2019Jul62.3°F63.1°F-0.9°NCLIMGRID
2019Aug63.9°F62.8°F+1.1°NCLIMGRID
2019Sep53.9°F54.0°F-0.2°NCLIMGRID
2019Oct37.6°F43.5°F-5.9°NCLIMGRID
2019Nov36.1°F33.1°F+3.0°NCLIMGRID
2019Dec30.3°F26.5°F+3.8°NCLIMGRID
2020Jan30.4°F26.1°F+4.3°NCLIMGRID
2020Feb29.7°F30.3°F-0.6°NCLIMGRID
2020Mar35.8°F35.2°F+0.6°NCLIMGRID
2020Apr42.3°F41.8°F+0.6°NCLIMGRID
2020May50.5°F49.5°F+1.0°NCLIMGRID
2020Jun54.8°F57.1°F-2.3°NCLIMGRID
2020Jul62.3°F63.1°F-0.9°NCLIMGRID
2020Aug63.4°F62.8°F+0.6°NCLIMGRID
2020Sep57.2°F54.0°F+3.2°NCLIMGRID
2020Oct43.6°F43.5°F+0.1°NCLIMGRID
2020Nov34.5°F33.1°F+1.4°NCLIMGRID
2020Dec30.1°F26.5°F+3.6°NCLIMGRID
2021Jan30.8°F26.1°F+4.7°NCLIMGRID
2021Feb26.3°F30.3°F-4.0°NCLIMGRID
2021Mar35.6°F35.2°F+0.4°NCLIMGRID
2021Apr42.5°F41.8°F+0.7°NCLIMGRID
2021May49.5°F49.5°F+0.1°NCLIMGRID
2021Jun62.3°F57.1°F+5.2°NCLIMGRID
2021Jul68.0°F63.1°F+4.9°NCLIMGRID
2021Aug61.5°F62.8°F-1.3°NCLIMGRID
2021Sep54.7°F54.0°F+0.7°NCLIMGRID
2021Oct44.7°F43.5°F+1.2°NCLIMGRID
2021Nov37.7°F33.1°F+4.6°NCLIMGRID
2021Dec27.4°F26.5°F+0.9°NCLIMGRID
2022Jan27.9°F26.1°F+1.8°NCLIMGRID
2022Feb28.2°F30.3°F-2.1°NCLIMGRID
2022Mar37.5°F35.2°F+2.2°NCLIMGRID
2022Apr37.5°F41.8°F-4.3°NCLIMGRID
2022May46.0°F49.5°F-3.5°NCLIMGRID
2022Jun56.2°F57.1°F-0.9°NCLIMGRID
2022Jul66.5°F63.1°F+3.3°NCLIMGRID
2022Aug67.6°F62.8°F+4.8°NCLIMGRID
2022Sep58.6°F54.0°F+4.6°NCLIMGRID
2022Oct49.0°F43.5°F+5.5°NCLIMGRID
2022Nov28.8°F33.1°F-4.3°NCLIMGRID
2022Dec25.1°F26.5°F-1.3°NCLIMGRID
2023Jan26.3°F26.1°F+0.3°NCLIMGRID
2023Feb26.9°F30.3°F-3.5°NCLIMGRID
2023Mar31.4°F35.2°F-3.8°NCLIMGRID
2023Apr40.3°F41.8°F-1.5°NCLIMGRID
2023May56.9°F49.5°F+7.4°NCLIMGRID
2023Jun58.6°F57.1°F+1.5°NCLIMGRID
2023Jul66.3°F63.1°F+3.2°NCLIMGRID
2023Aug64.8°F62.8°F+2.0°NCLIMGRID
2023Sep54.5°F54.0°F+0.5°NCLIMGRID
2023Oct45.7°F43.5°F+2.2°NCLIMGRID
2023Nov35.2°F33.1°F+2.1°NCLIMGRID
2023Dec31.4°F26.5°F+4.9°NCLIMGRID
2024Jan26.3°F26.1°F+0.2°NCLIMGRID
2024Feb32.7°F30.3°F+2.4°NCLIMGRID
2024Mar36.4°F35.2°F+1.1°NCLIMGRID
2024Apr42.7°F41.8°F+0.9°NCLIMGRID
2024May47.5°F49.5°F-1.9°NCLIMGRID
2024Jun57.1°F57.1°F+0.0°NCLIMGRID
2024Jul67.5°F63.1°F+4.3°NCLIMGRID
2024Aug63.1°F62.8°F+0.3°NCLIMGRID
2024Sep57.6°F54.0°F+3.6°NCLIMGRID
2024Oct46.5°F43.5°F+3.0°NCLIMGRID
2024Nov33.6°F33.1°F+0.5°NCLIMGRID
2024Dec31.6°F26.5°F+5.1°NCLIMGRID
2025Jan25.5°F26.1°F-0.6°NCLIMGRID
2025Feb26.7°F30.3°F-3.6°NCLIMGRID
2025Mar37.5°F35.2°F+2.3°NCLIMGRID
2025Apr43.1°F41.8°F+1.3°NCLIMGRID
2025May51.5°F49.5°F+2.0°NCLIMGRID
2025Jun60.2°F57.1°F+3.1°NCLIMGRID
2025Jul65.5°F63.1°F+2.3°NCLIMGRID
2025Aug65.2°F62.8°F+2.4°NCLIMGRID
2025Sep61.0°F54.0°F+6.9°NCLIMGRID
2025Oct44.1°F43.5°F+0.6°NCLIMGRID
2025Nov38.8°F33.1°F+5.7°NCLIMGRID
2025Dec33.2°F26.5°F+6.7°NCLIMGRID
2026Jan30.2°F26.1°F+4.1°NCLIMGRID
2026Feb34.4°F30.3°F+4.1°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
January26.1°F26/26
February30.3°F26/26
March35.2°F26/26
April41.8°F26/26
May49.5°F26/26
June57.1°F26/26
July63.1°F26/26
August62.8°F26/26
September54.0°F26/26
October43.5°F26/26
November33.1°F26/26
December26.5°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 Pierce, Idaho getting warmer?

Based on 96+ years of NOAA temperature records, Pierce has changed at a rate of approximately 0.16°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 Pierce?

The warmest year on record in Pierce was 1934, based on average annual temperature anomaly from NOAA station data.

Where does the temperature data for Pierce 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 Pierce's climate profile.

How are the climate visualizations for Pierce created?

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

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

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

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