Climate Change in Boyes, Montana

96+ years of recorded temperature data show Boyes is warming.

Based on our analysis of 96 years of temperature data near Boyes, MT, this area shows a warming trend of approximately +0.2°F per decade. 8 of the last 10 years recorded above-average temperatures, and 2012 was the warmest year on record at +4.1°F above the historical baseline.

Key Climate Facts

Rate of Change

+0.2°F

per decade

Warmest Year

2012

+4.1°F anomaly

Recent Warm Years

8 / 10

above-average years

Decade Shift

+1.7°F

2020s vs 1930s

Compared to the National Average

Boyes is warming at roughly the national average rate.

National: +0.20°F/decade
Boyes: +0.21°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 Boyes's long-term warming trend.

Temperature anomaly spiral for Boyes, Montana
Climate spiral: monthly temperature anomalies from 96+ years of NOAA records for Boyes, MT.

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 Boyes, Montana
Warming stripes: each stripe is one year of average temperature anomaly for Boyes, MT.

Temperature Trend

Annual temperature anomalies plotted over time with a linear regression trend line. The slope of +0.21°F per decade quantifies the rate of change.

Temperature trend chart for Boyes, Montana
Linear trend: annual temperature anomalies with trend line for Boyes, MT.

Temperature by Decade

1930s
+0.79°F
1940s
-0.24°F
1950s
-0.80°F
1960s
-0.29°F
1970s
-0.91°F
1980s
+0.81°F
1990s
+0.78°F
2000s
+1.47°F
2010s
+0.94°F
2020s
+2.70°F

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

Anomaly Scale

-7.2°F Colder Normal +8.1°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 Boyes, MT. 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
1930Jan1.6°F16.3°F-14.7°NCLIMGRID
1930Feb31.0°F23.0°F+8.0°NCLIMGRID
1930Mar29.7°F32.2°F-2.5°NCLIMGRID
1930Apr50.1°F43.4°F+6.7°NCLIMGRID
1930May50.8°F53.7°F-2.9°NCLIMGRID
1930Jun62.3°F63.4°F-1.1°NCLIMGRID
1930Jul73.4°F70.8°F+2.6°NCLIMGRID
1930Aug70.4°F68.7°F+1.8°NCLIMGRID
1930Sep57.0°F57.0°F+0.0°NCLIMGRID
1930Oct39.5°F44.5°F-5.0°NCLIMGRID
1930Nov31.2°F30.3°F+0.9°NCLIMGRID
1930Dec24.5°F19.2°F+5.3°NCLIMGRID
1931Jan25.8°F16.3°F+9.5°NCLIMGRID
1931Feb31.7°F23.0°F+8.7°NCLIMGRID
1931Mar29.9°F32.2°F-2.3°NCLIMGRID
1931Apr44.8°F43.4°F+1.4°NCLIMGRID
1931May53.7°F53.7°F+0.0°NCLIMGRID
1931Jun69.6°F63.4°F+6.2°NCLIMGRID
1931Jul72.6°F70.8°F+1.8°NCLIMGRID
1931Aug68.7°F68.7°F+0.0°NCLIMGRID
1931Sep61.5°F57.0°F+4.5°NCLIMGRID
1931Oct45.5°F44.5°F+1.0°NCLIMGRID
1931Nov29.9°F30.3°F-0.4°NCLIMGRID
1931Dec24.4°F19.2°F+5.2°NCLIMGRID
1932Jan12.8°F16.3°F-3.4°NCLIMGRID
1932Feb20.6°F23.0°F-2.4°NCLIMGRID
1932Mar22.1°F32.2°F-10.1°NCLIMGRID
1932Apr45.5°F43.4°F+2.1°NCLIMGRID
1932May54.6°F53.7°F+0.9°NCLIMGRID
1932Jun63.7°F63.4°F+0.3°NCLIMGRID
1932Jul71.6°F70.8°F+0.8°NCLIMGRID
1932Aug69.5°F68.7°F+0.9°NCLIMGRID
1932Sep56.4°F57.0°F-0.6°NCLIMGRID
1932Oct39.2°F44.5°F-5.3°NCLIMGRID
1932Nov32.7°F30.3°F+2.4°NCLIMGRID
1932Dec14.3°F19.2°F-4.9°NCLIMGRID
1933Jan20.8°F16.3°F+4.6°NCLIMGRID
1933Feb14.7°F23.0°F-8.3°NCLIMGRID
1933Mar33.5°F32.2°F+1.3°NCLIMGRID
1933Apr40.6°F43.4°F-2.8°NCLIMGRID
1933May50.7°F53.7°F-3.0°NCLIMGRID
1933Jun69.9°F63.4°F+6.4°NCLIMGRID
1933Jul75.6°F70.8°F+4.8°NCLIMGRID
1933Aug67.3°F68.7°F-1.4°NCLIMGRID
1933Sep60.8°F57.0°F+3.8°NCLIMGRID
1933Oct45.6°F44.5°F+1.1°NCLIMGRID
1933Nov34.8°F30.3°F+4.5°NCLIMGRID
1933Dec20.4°F19.2°F+1.1°NCLIMGRID
1934Jan25.8°F16.3°F+9.6°NCLIMGRID
1934Feb27.7°F23.0°F+4.7°NCLIMGRID
1934Mar31.0°F32.2°F-1.2°NCLIMGRID
1934Apr45.3°F43.4°F+1.9°NCLIMGRID
1934May64.7°F53.7°F+11.1°NCLIMGRID
1934Jun65.0°F63.4°F+1.6°NCLIMGRID
1934Jul74.9°F70.8°F+4.1°NCLIMGRID
1934Aug69.1°F68.7°F+0.5°NCLIMGRID
1934Sep51.7°F57.0°F-5.3°NCLIMGRID
1934Oct49.1°F44.5°F+4.6°NCLIMGRID
1934Nov36.5°F30.3°F+6.2°NCLIMGRID
1934Dec21.1°F19.2°F+1.8°NCLIMGRID
1935Jan16.9°F16.3°F+0.6°NCLIMGRID
1935Feb30.6°F23.0°F+7.6°NCLIMGRID
1935Mar31.6°F32.2°F-0.6°NCLIMGRID
1935Apr38.4°F43.4°F-5.0°NCLIMGRID
1935May47.9°F53.7°F-5.7°NCLIMGRID
1935Jun60.4°F63.4°F-3.1°NCLIMGRID
1935Jul75.7°F70.8°F+4.9°NCLIMGRID
1935Aug70.3°F68.7°F+1.6°NCLIMGRID
1935Sep59.5°F57.0°F+2.5°NCLIMGRID
1935Oct45.1°F44.5°F+0.6°NCLIMGRID
1935Nov26.5°F30.3°F-3.7°NCLIMGRID
1935Dec22.6°F19.2°F+3.4°NCLIMGRID
1936Jan10.5°F16.3°F-5.8°NCLIMGRID
1936Feb-4.0°F23.0°F-27.0°NCLIMGRID
1936Mar30.1°F32.2°F-2.2°NCLIMGRID
1936Apr40.6°F43.4°F-2.8°NCLIMGRID
1936May60.6°F53.7°F+7.0°NCLIMGRID
1936Jun69.8°F63.4°F+6.3°NCLIMGRID
1936Jul81.4°F70.8°F+10.6°NCLIMGRID
1936Aug72.1°F68.7°F+3.5°NCLIMGRID
1936Sep61.2°F57.0°F+4.2°NCLIMGRID
1936Oct45.3°F44.5°F+0.8°NCLIMGRID
1936Nov31.6°F30.3°F+1.3°NCLIMGRID
1936Dec19.8°F19.2°F+0.6°NCLIMGRID
1937Jan-0.7°F16.3°F-16.9°NCLIMGRID
1937Feb16.0°F23.0°F-7.0°NCLIMGRID
1937Mar29.7°F32.2°F-2.5°NCLIMGRID
1937Apr41.8°F43.4°F-1.6°NCLIMGRID
1937May57.1°F53.7°F+3.5°NCLIMGRID
1937Jun62.7°F63.4°F-0.7°NCLIMGRID
1937Jul72.7°F70.8°F+1.9°NCLIMGRID
1937Aug73.7°F68.7°F+5.0°NCLIMGRID
1937Sep60.9°F57.0°F+3.8°NCLIMGRID
1937Oct46.6°F44.5°F+2.1°NCLIMGRID
1937Nov29.0°F30.3°F-1.2°NCLIMGRID
1937Dec18.5°F19.2°F-0.7°NCLIMGRID
1938Jan22.0°F16.3°F+5.8°NCLIMGRID
1938Feb18.2°F23.0°F-4.8°NCLIMGRID
1938Mar35.0°F32.2°F+2.7°NCLIMGRID
1938Apr44.2°F43.4°F+0.8°NCLIMGRID
1938May52.1°F53.7°F-1.5°NCLIMGRID
1938Jun65.2°F63.4°F+1.7°NCLIMGRID
1938Jul70.7°F70.8°F-0.1°NCLIMGRID
1938Aug69.9°F68.7°F+1.2°NCLIMGRID
1938Sep62.8°F57.0°F+5.7°NCLIMGRID
1938Oct50.6°F44.5°F+6.1°NCLIMGRID
1938Nov27.6°F30.3°F-2.7°NCLIMGRID
1938Dec23.0°F19.2°F+3.8°NCLIMGRID
1939Jan25.8°F16.3°F+9.5°NCLIMGRID
1939Feb11.4°F23.0°F-11.6°NCLIMGRID
1939Mar31.4°F32.2°F-0.8°NCLIMGRID
1939Apr44.7°F43.4°F+1.3°NCLIMGRID
1939May59.0°F53.7°F+5.4°NCLIMGRID
1939Jun59.9°F63.4°F-3.5°NCLIMGRID
1939Jul74.2°F70.8°F+3.4°NCLIMGRID
1939Aug67.9°F68.7°F-0.8°NCLIMGRID
1939Sep59.8°F57.0°F+2.7°NCLIMGRID
1939Oct45.6°F44.5°F+1.1°NCLIMGRID
1939Nov36.4°F30.3°F+6.1°NCLIMGRID
1939Dec29.9°F19.2°F+10.7°NCLIMGRID
1940Jan9.3°F16.3°F-7.0°NCLIMGRID
1940Feb20.8°F23.0°F-2.2°NCLIMGRID
1940Mar32.9°F32.2°F+0.7°NCLIMGRID
1940Apr40.2°F43.4°F-3.2°NCLIMGRID
1940May55.9°F53.7°F+2.3°NCLIMGRID
1940Jun65.2°F63.4°F+1.8°NCLIMGRID
1940Jul75.0°F70.8°F+4.2°NCLIMGRID
1940Aug70.5°F68.7°F+1.8°NCLIMGRID
1940Sep63.7°F57.0°F+6.7°NCLIMGRID
1940Oct50.3°F44.5°F+5.8°NCLIMGRID
1940Nov23.0°F30.3°F-7.3°NCLIMGRID
1940Dec25.6°F19.2°F+6.3°NCLIMGRID
1941Jan21.2°F16.3°F+5.0°NCLIMGRID
1941Feb24.4°F23.0°F+1.4°NCLIMGRID
1941Mar30.6°F32.2°F-1.6°NCLIMGRID
1941Apr43.7°F43.4°F+0.3°NCLIMGRID
1941May58.5°F53.7°F+4.8°NCLIMGRID
1941Jun62.7°F63.4°F-0.7°NCLIMGRID
1941Jul72.2°F70.8°F+1.3°NCLIMGRID
1941Aug69.1°F68.7°F+0.4°NCLIMGRID
1941Sep54.3°F57.0°F-2.8°NCLIMGRID
1941Oct43.3°F44.5°F-1.2°NCLIMGRID
1941Nov35.1°F30.3°F+4.8°NCLIMGRID
1941Dec24.8°F19.2°F+5.6°NCLIMGRID
1942Jan20.2°F16.3°F+4.0°NCLIMGRID
1942Feb19.3°F23.0°F-3.7°NCLIMGRID
1942Mar31.6°F32.2°F-0.7°NCLIMGRID
1942Apr47.2°F43.4°F+3.8°NCLIMGRID
1942May49.4°F53.7°F-4.3°NCLIMGRID
1942Jun58.9°F63.4°F-4.6°NCLIMGRID
1942Jul69.2°F70.8°F-1.6°NCLIMGRID
1942Aug67.7°F68.7°F-1.0°NCLIMGRID
1942Sep55.4°F57.0°F-1.6°NCLIMGRID
1942Oct46.7°F44.5°F+2.2°NCLIMGRID
1942Nov31.3°F30.3°F+1.0°NCLIMGRID
1942Dec23.6°F19.2°F+4.3°NCLIMGRID
1943Jan8.5°F16.3°F-7.8°NCLIMGRID
1943Feb27.6°F23.0°F+4.6°NCLIMGRID
1943Mar23.3°F32.2°F-9.0°NCLIMGRID
1943Apr48.6°F43.4°F+5.2°NCLIMGRID
1943May50.1°F53.7°F-3.5°NCLIMGRID
1943Jun60.8°F63.4°F-2.7°NCLIMGRID
1943Jul70.7°F70.8°F-0.2°NCLIMGRID
1943Aug70.9°F68.7°F+2.2°NCLIMGRID
1943Sep56.7°F57.0°F-0.3°NCLIMGRID
1943Oct48.2°F44.5°F+3.7°NCLIMGRID
1943Nov32.1°F30.3°F+1.9°NCLIMGRID
1943Dec25.1°F19.2°F+5.9°NCLIMGRID
1944Jan24.6°F16.3°F+8.3°NCLIMGRID
1944Feb17.3°F23.0°F-5.7°NCLIMGRID
1944Mar21.1°F32.2°F-11.1°NCLIMGRID
1944Apr42.5°F43.4°F-0.9°NCLIMGRID
1944May56.7°F53.7°F+3.0°NCLIMGRID
1944Jun58.4°F63.4°F-5.0°NCLIMGRID
1944Jul66.8°F70.8°F-4.1°NCLIMGRID
1944Aug66.0°F68.7°F-2.6°NCLIMGRID
1944Sep57.3°F57.0°F+0.2°NCLIMGRID
1944Oct49.2°F44.5°F+4.7°NCLIMGRID
1944Nov28.1°F30.3°F-2.2°NCLIMGRID
1944Dec19.9°F19.2°F+0.7°NCLIMGRID
1945Jan19.8°F16.3°F+3.5°NCLIMGRID
1945Feb21.0°F23.0°F-2.0°NCLIMGRID
1945Mar33.2°F32.2°F+1.0°NCLIMGRID
1945Apr39.5°F43.4°F-3.9°NCLIMGRID
1945May49.8°F53.7°F-3.9°NCLIMGRID
1945Jun55.9°F63.4°F-7.5°NCLIMGRID
1945Jul69.7°F70.8°F-1.1°NCLIMGRID
1945Aug68.7°F68.7°F+0.1°NCLIMGRID
1945Sep54.5°F57.0°F-2.5°NCLIMGRID
1945Oct47.0°F44.5°F+2.5°NCLIMGRID
1945Nov28.7°F30.3°F-1.6°NCLIMGRID
1945Dec16.8°F19.2°F-2.4°NCLIMGRID
1946Jan24.0°F16.3°F+7.7°NCLIMGRID
1946Feb26.5°F23.0°F+3.5°NCLIMGRID
1946Mar38.6°F32.2°F+6.4°NCLIMGRID
1946Apr49.4°F43.4°F+6.0°NCLIMGRID
1946May48.9°F53.7°F-4.8°NCLIMGRID
1946Jun61.5°F63.4°F-1.9°NCLIMGRID
1946Jul71.2°F70.8°F+0.4°NCLIMGRID
1946Aug65.9°F68.7°F-2.7°NCLIMGRID
1946Sep55.8°F57.0°F-1.3°NCLIMGRID
1946Oct39.2°F44.5°F-5.3°NCLIMGRID
1946Nov29.6°F30.3°F-0.7°NCLIMGRID
1946Dec22.6°F19.2°F+3.4°NCLIMGRID
1947Jan20.9°F16.3°F+4.6°NCLIMGRID
1947Feb17.3°F23.0°F-5.7°NCLIMGRID
1947Mar23.6°F32.2°F-8.6°NCLIMGRID
1947Apr41.4°F43.4°F-2.0°NCLIMGRID
1947May51.7°F53.7°F-1.9°NCLIMGRID
1947Jun58.1°F63.4°F-5.4°NCLIMGRID
1947Jul71.2°F70.8°F+0.4°NCLIMGRID
1947Aug72.4°F68.7°F+3.7°NCLIMGRID
1947Sep57.5°F57.0°F+0.5°NCLIMGRID
1947Oct50.9°F44.5°F+6.4°NCLIMGRID
1947Nov25.2°F30.3°F-5.1°NCLIMGRID
1947Dec24.4°F19.2°F+5.2°NCLIMGRID
1948Jan19.8°F16.3°F+3.6°NCLIMGRID
1948Feb17.4°F23.0°F-5.6°NCLIMGRID
1948Mar26.5°F32.2°F-5.7°NCLIMGRID
1948Apr46.1°F43.4°F+2.7°NCLIMGRID
1948May55.1°F53.7°F+1.4°NCLIMGRID
1948Jun61.9°F63.4°F-1.6°NCLIMGRID
1948Jul68.2°F70.8°F-2.6°NCLIMGRID
1948Aug69.2°F68.7°F+0.5°NCLIMGRID
1948Sep62.5°F57.0°F+5.5°NCLIMGRID
1948Oct45.9°F44.5°F+1.4°NCLIMGRID
1948Nov29.2°F30.3°F-1.1°NCLIMGRID
1948Dec15.2°F19.2°F-4.0°NCLIMGRID
1949Jan2.1°F16.3°F-14.2°NCLIMGRID
1949Feb10.4°F23.0°F-12.6°NCLIMGRID
1949Mar27.6°F32.2°F-4.6°NCLIMGRID
1949Apr47.6°F43.4°F+4.2°NCLIMGRID
1949May56.2°F53.7°F+2.6°NCLIMGRID
1949Jun63.2°F63.4°F-0.3°NCLIMGRID
1949Jul71.8°F70.8°F+0.9°NCLIMGRID
1949Aug71.1°F68.7°F+2.4°NCLIMGRID
1949Sep55.5°F57.0°F-1.6°NCLIMGRID
1949Oct42.5°F44.5°F-2.0°NCLIMGRID
1949Nov40.4°F30.3°F+10.1°NCLIMGRID
1949Dec15.7°F19.2°F-3.5°NCLIMGRID
1950Jan-0.5°F16.3°F-16.7°NCLIMGRID
1950Feb24.0°F23.0°F+1.0°NCLIMGRID
1950Mar23.3°F32.2°F-9.0°NCLIMGRID
1950Apr37.0°F43.4°F-6.4°NCLIMGRID
1950May48.3°F53.7°F-5.4°NCLIMGRID
1950Jun60.2°F63.4°F-3.3°NCLIMGRID
1950Jul65.3°F70.8°F-5.5°NCLIMGRID
1950Aug64.6°F68.7°F-4.0°NCLIMGRID
1950Sep55.4°F57.0°F-1.6°NCLIMGRID
1950Oct48.5°F44.5°F+4.0°NCLIMGRID
1950Nov27.0°F30.3°F-3.3°NCLIMGRID
1950Dec23.9°F19.2°F+4.6°NCLIMGRID
1951Jan15.2°F16.3°F-1.1°NCLIMGRID
1951Feb23.9°F23.0°F+0.9°NCLIMGRID
1951Mar19.6°F32.2°F-12.6°NCLIMGRID
1951Apr37.6°F43.4°F-5.8°NCLIMGRID
1951May54.5°F53.7°F+0.8°NCLIMGRID
1951Jun56.4°F63.4°F-7.0°NCLIMGRID
1951Jul69.9°F70.8°F-0.9°NCLIMGRID
1951Aug66.8°F68.7°F-1.8°NCLIMGRID
1951Sep51.3°F57.0°F-5.7°NCLIMGRID
1951Oct42.3°F44.5°F-2.2°NCLIMGRID
1951Nov26.9°F30.3°F-3.3°NCLIMGRID
1951Dec10.6°F19.2°F-8.6°NCLIMGRID
1952Jan12.5°F16.3°F-3.8°NCLIMGRID
1952Feb23.0°F23.0°F+0.0°NCLIMGRID
1952Mar22.1°F32.2°F-10.1°NCLIMGRID
1952Apr48.0°F43.4°F+4.6°NCLIMGRID
1952May54.8°F53.7°F+1.1°NCLIMGRID
1952Jun65.9°F63.4°F+2.5°NCLIMGRID
1952Jul68.6°F70.8°F-2.2°NCLIMGRID
1952Aug69.1°F68.7°F+0.5°NCLIMGRID
1952Sep61.5°F57.0°F+4.5°NCLIMGRID
1952Oct44.8°F44.5°F+0.3°NCLIMGRID
1952Nov29.1°F30.3°F-1.2°NCLIMGRID
1952Dec24.9°F19.2°F+5.6°NCLIMGRID
1953Jan26.9°F16.3°F+10.7°NCLIMGRID
1953Feb26.0°F23.0°F+3.0°NCLIMGRID
1953Mar34.0°F32.2°F+1.8°NCLIMGRID
1953Apr36.6°F43.4°F-6.8°NCLIMGRID
1953May48.4°F53.7°F-5.3°NCLIMGRID
1953Jun63.3°F63.4°F-0.1°NCLIMGRID
1953Jul71.1°F70.8°F+0.2°NCLIMGRID
1953Aug68.5°F68.7°F-0.2°NCLIMGRID
1953Sep57.1°F57.0°F+0.1°NCLIMGRID
1953Oct50.0°F44.5°F+5.5°NCLIMGRID
1953Nov35.7°F30.3°F+5.4°NCLIMGRID
1953Dec25.4°F19.2°F+6.2°NCLIMGRID
1954Jan11.9°F16.3°F-4.4°NCLIMGRID
1954Feb36.6°F23.0°F+13.6°NCLIMGRID
1954Mar24.2°F32.2°F-8.0°NCLIMGRID
1954Apr40.8°F43.4°F-2.6°NCLIMGRID
1954May51.4°F53.7°F-2.2°NCLIMGRID
1954Jun60.3°F63.4°F-3.1°NCLIMGRID
1954Jul74.9°F70.8°F+4.1°NCLIMGRID
1954Aug69.3°F68.7°F+0.7°NCLIMGRID
1954Sep57.2°F57.0°F+0.1°NCLIMGRID
1954Oct43.3°F44.5°F-1.2°NCLIMGRID
1954Nov38.5°F30.3°F+8.3°NCLIMGRID
1954Dec26.2°F19.2°F+7.0°NCLIMGRID
1955Jan19.6°F16.3°F+3.3°NCLIMGRID
1955Feb15.4°F23.0°F-7.6°NCLIMGRID
1955Mar24.3°F32.2°F-7.9°NCLIMGRID
1955Apr45.3°F43.4°F+1.9°NCLIMGRID
1955May54.2°F53.7°F+0.6°NCLIMGRID
1955Jun60.3°F63.4°F-3.2°NCLIMGRID
1955Jul72.4°F70.8°F+1.5°NCLIMGRID
1955Aug72.0°F68.7°F+3.4°NCLIMGRID
1955Sep56.2°F57.0°F-0.9°NCLIMGRID
1955Oct47.5°F44.5°F+3.0°NCLIMGRID
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1984Feb33.0°F23.0°F+10.0°NCLIMGRID
1984Mar32.3°F32.2°F+0.0°NCLIMGRID
1984Apr41.9°F43.4°F-1.5°NCLIMGRID
1984May52.1°F53.7°F-1.5°NCLIMGRID
1984Jun62.2°F63.4°F-1.3°NCLIMGRID
1984Jul71.5°F70.8°F+0.7°NCLIMGRID
1984Aug71.7°F68.7°F+3.0°NCLIMGRID
1984Sep51.3°F57.0°F-5.7°NCLIMGRID
1984Oct40.7°F44.5°F-3.8°NCLIMGRID
1984Nov31.9°F30.3°F+1.6°NCLIMGRID
1984Dec11.6°F19.2°F-7.7°NCLIMGRID
1985Jan13.1°F16.3°F-3.2°NCLIMGRID
1985Feb15.7°F23.0°F-7.3°NCLIMGRID
1985Mar29.9°F32.2°F-2.3°NCLIMGRID
1985Apr47.4°F43.4°F+4.0°NCLIMGRID
1985May58.2°F53.7°F+4.5°NCLIMGRID
1985Jun60.4°F63.4°F-3.1°NCLIMGRID
1985Jul72.8°F70.8°F+1.9°NCLIMGRID
1985Aug65.8°F68.7°F-2.8°NCLIMGRID
1985Sep52.4°F57.0°F-4.6°NCLIMGRID
1985Oct44.8°F44.5°F+0.3°NCLIMGRID
1985Nov13.6°F30.3°F-16.7°NCLIMGRID
1985Dec16.8°F19.2°F-2.5°NCLIMGRID
1986Jan25.0°F16.3°F+8.8°NCLIMGRID
1986Feb18.0°F23.0°F-5.0°NCLIMGRID
1986Mar40.9°F32.2°F+8.6°NCLIMGRID
1986Apr42.7°F43.4°F-0.7°NCLIMGRID
1986May52.8°F53.7°F-0.8°NCLIMGRID
1986Jun67.7°F63.4°F+4.2°NCLIMGRID
1986Jul70.0°F70.8°F-0.8°NCLIMGRID
1986Aug68.7°F68.7°F+0.0°NCLIMGRID
1986Sep52.7°F57.0°F-4.3°NCLIMGRID
1986Oct46.4°F44.5°F+1.9°NCLIMGRID
1986Nov28.0°F30.3°F-2.3°NCLIMGRID
1986Dec24.0°F19.2°F+4.7°NCLIMGRID
1987Jan25.8°F16.3°F+9.5°NCLIMGRID
1987Feb32.2°F23.0°F+9.2°NCLIMGRID
1987Mar33.0°F32.2°F+0.8°NCLIMGRID
1987Apr50.4°F43.4°F+7.0°NCLIMGRID
1987May58.6°F53.7°F+5.0°NCLIMGRID
1987Jun66.1°F63.4°F+2.7°NCLIMGRID
1987Jul70.4°F70.8°F-0.4°NCLIMGRID
1987Aug64.1°F68.7°F-4.6°NCLIMGRID
1987Sep56.9°F57.0°F-0.1°NCLIMGRID
1987Oct44.0°F44.5°F-0.5°NCLIMGRID
1987Nov35.6°F30.3°F+5.4°NCLIMGRID
1987Dec24.7°F19.2°F+5.5°NCLIMGRID
1988Jan17.3°F16.3°F+1.0°NCLIMGRID
1988Feb23.3°F23.0°F+0.3°NCLIMGRID
1988Mar34.1°F32.2°F+1.9°NCLIMGRID
1988Apr46.1°F43.4°F+2.7°NCLIMGRID
1988May59.7°F53.7°F+6.1°NCLIMGRID
1988Jun76.0°F63.4°F+12.5°NCLIMGRID
1988Jul75.0°F70.8°F+4.2°NCLIMGRID
1988Aug70.4°F68.7°F+1.8°NCLIMGRID
1988Sep56.8°F57.0°F-0.3°NCLIMGRID
1988Oct47.5°F44.5°F+3.0°NCLIMGRID
1988Nov32.6°F30.3°F+2.3°NCLIMGRID
1988Dec25.4°F19.2°F+6.1°NCLIMGRID
1989Jan22.5°F16.3°F+6.2°NCLIMGRID
1989Feb9.8°F23.0°F-13.2°NCLIMGRID
1989Mar28.0°F32.2°F-4.2°NCLIMGRID
1989Apr42.8°F43.4°F-0.6°NCLIMGRID
1989May53.4°F53.7°F-0.2°NCLIMGRID
1989Jun61.9°F63.4°F-1.6°NCLIMGRID
1989Jul73.4°F70.8°F+2.6°NCLIMGRID
1989Aug69.5°F68.7°F+0.8°NCLIMGRID
1989Sep57.9°F57.0°F+0.9°NCLIMGRID
1989Oct45.2°F44.5°F+0.7°NCLIMGRID
1989Nov34.8°F30.3°F+4.5°NCLIMGRID
1989Dec16.7°F19.2°F-2.5°NCLIMGRID
1990Jan25.7°F16.3°F+9.5°NCLIMGRID
1990Feb25.1°F23.0°F+2.1°NCLIMGRID
1990Mar34.7°F32.2°F+2.5°NCLIMGRID
1990Apr44.4°F43.4°F+1.0°NCLIMGRID
1990May52.1°F53.7°F-1.6°NCLIMGRID
1990Jun64.0°F63.4°F+0.6°NCLIMGRID
1990Jul70.4°F70.8°F-0.4°NCLIMGRID
1990Aug70.1°F68.7°F+1.4°NCLIMGRID
1990Sep62.3°F57.0°F+5.3°NCLIMGRID
1990Oct46.0°F44.5°F+1.4°NCLIMGRID
1990Nov36.1°F30.3°F+5.8°NCLIMGRID
1990Dec12.3°F19.2°F-6.9°NCLIMGRID
1991Jan14.0°F16.3°F-2.2°NCLIMGRID
1991Feb33.3°F23.0°F+10.3°NCLIMGRID
1991Mar36.3°F32.2°F+4.0°NCLIMGRID
1991Apr43.1°F43.4°F-0.2°NCLIMGRID
1991May54.3°F53.7°F+0.6°NCLIMGRID
1991Jun64.7°F63.4°F+1.2°NCLIMGRID
1991Jul71.1°F70.8°F+0.3°NCLIMGRID
1991Aug73.0°F68.7°F+4.4°NCLIMGRID
1991Sep57.8°F57.0°F+0.7°NCLIMGRID
1991Oct41.0°F44.5°F-3.5°NCLIMGRID
1991Nov28.2°F30.3°F-2.1°NCLIMGRID
1991Dec28.8°F19.2°F+9.5°NCLIMGRID
1992Jan28.9°F16.3°F+12.7°NCLIMGRID
1992Feb33.2°F23.0°F+10.2°NCLIMGRID
1992Mar38.6°F32.2°F+6.4°NCLIMGRID
1992Apr44.3°F43.4°F+0.9°NCLIMGRID
1992May55.1°F53.7°F+1.5°NCLIMGRID
1992Jun62.7°F63.4°F-0.7°NCLIMGRID
1992Jul62.4°F70.8°F-8.4°NCLIMGRID
1992Aug63.1°F68.7°F-5.6°NCLIMGRID
1992Sep57.6°F57.0°F+0.5°NCLIMGRID
1992Oct45.5°F44.5°F+1.0°NCLIMGRID
1992Nov30.1°F30.3°F-0.2°NCLIMGRID
1992Dec15.5°F19.2°F-3.7°NCLIMGRID
1993Jan11.7°F16.3°F-4.5°NCLIMGRID
1993Feb11.9°F23.0°F-11.1°NCLIMGRID
1993Mar33.6°F32.2°F+1.4°NCLIMGRID
1993Apr43.2°F43.4°F-0.2°NCLIMGRID
1993May55.6°F53.7°F+1.9°NCLIMGRID
1993Jun58.8°F63.4°F-4.6°NCLIMGRID
1993Jul62.3°F70.8°F-8.5°NCLIMGRID
1993Aug63.7°F68.7°F-5.0°NCLIMGRID
1993Sep52.4°F57.0°F-4.6°NCLIMGRID
1993Oct43.7°F44.5°F-0.8°NCLIMGRID
1993Nov27.0°F30.3°F-3.3°NCLIMGRID
1993Dec26.0°F19.2°F+6.8°NCLIMGRID
1994Jan17.1°F16.3°F+0.8°NCLIMGRID
1994Feb13.6°F23.0°F-9.4°NCLIMGRID
1994Mar36.1°F32.2°F+3.9°NCLIMGRID
1994Apr44.6°F43.4°F+1.2°NCLIMGRID
1994May58.5°F53.7°F+4.8°NCLIMGRID
1994Jun64.8°F63.4°F+1.4°NCLIMGRID
1994Jul68.4°F70.8°F-2.5°NCLIMGRID
1994Aug70.1°F68.7°F+1.5°NCLIMGRID
1994Sep60.3°F57.0°F+3.3°NCLIMGRID
1994Oct46.3°F44.5°F+1.8°NCLIMGRID
1994Nov29.8°F30.3°F-0.5°NCLIMGRID
1994Dec25.4°F19.2°F+6.1°NCLIMGRID
1995Jan24.2°F16.3°F+8.0°NCLIMGRID
1995Feb29.1°F23.0°F+6.1°NCLIMGRID
1995Mar30.9°F32.2°F-1.4°NCLIMGRID
1995Apr38.7°F43.4°F-4.7°NCLIMGRID
1995May50.8°F53.7°F-2.9°NCLIMGRID
1995Jun62.8°F63.4°F-0.6°NCLIMGRID
1995Jul68.9°F70.8°F-2.0°NCLIMGRID
1995Aug72.1°F68.7°F+3.4°NCLIMGRID
1995Sep57.1°F57.0°F+0.1°NCLIMGRID
1995Oct44.7°F44.5°F+0.2°NCLIMGRID
1995Nov33.0°F30.3°F+2.7°NCLIMGRID
1995Dec22.5°F19.2°F+3.2°NCLIMGRID
1996Jan10.7°F16.3°F-5.6°NCLIMGRID
1996Feb24.6°F23.0°F+1.6°NCLIMGRID
1996Mar23.3°F32.2°F-9.0°NCLIMGRID
1996Apr43.2°F43.4°F-0.2°NCLIMGRID
1996May49.3°F53.7°F-4.4°NCLIMGRID
1996Jun64.8°F63.4°F+1.3°NCLIMGRID
1996Jul68.7°F70.8°F-2.1°NCLIMGRID
1996Aug70.9°F68.7°F+2.3°NCLIMGRID
1996Sep56.4°F57.0°F-0.7°NCLIMGRID
1996Oct43.6°F44.5°F-0.9°NCLIMGRID
1996Nov21.4°F30.3°F-8.9°NCLIMGRID
1996Dec13.3°F19.2°F-5.9°NCLIMGRID
1997Jan13.0°F16.3°F-3.2°NCLIMGRID
1997Feb27.0°F23.0°F+4.0°NCLIMGRID
1997Mar33.7°F32.2°F+1.5°NCLIMGRID
1997Apr36.4°F43.4°F-7.0°NCLIMGRID
1997May51.6°F53.7°F-2.0°NCLIMGRID
1997Jun65.5°F63.4°F+2.0°NCLIMGRID
1997Jul69.4°F70.8°F-1.5°NCLIMGRID
1997Aug68.0°F68.7°F-0.6°NCLIMGRID
1997Sep61.1°F57.0°F+4.1°NCLIMGRID
1997Oct47.2°F44.5°F+2.7°NCLIMGRID
1997Nov31.4°F30.3°F+1.1°NCLIMGRID
1997Dec26.2°F19.2°F+6.9°NCLIMGRID
1998Jan18.9°F16.3°F+2.6°NCLIMGRID
1998Feb33.3°F23.0°F+10.3°NCLIMGRID
1998Mar25.4°F32.2°F-6.8°NCLIMGRID
1998Apr45.5°F43.4°F+2.1°NCLIMGRID
1998May55.8°F53.7°F+2.1°NCLIMGRID
1998Jun57.4°F63.4°F-6.0°NCLIMGRID
1998Jul73.5°F70.8°F+2.7°NCLIMGRID
1998Aug71.3°F68.7°F+2.6°NCLIMGRID
1998Sep64.7°F57.0°F+7.6°NCLIMGRID
1998Oct46.2°F44.5°F+1.7°NCLIMGRID
1998Nov35.7°F30.3°F+5.4°NCLIMGRID
1998Dec24.8°F19.2°F+5.5°NCLIMGRID
1999Jan22.0°F16.3°F+5.7°NCLIMGRID
1999Feb34.6°F23.0°F+11.6°NCLIMGRID
1999Mar38.0°F32.2°F+5.8°NCLIMGRID
1999Apr42.8°F43.4°F-0.6°NCLIMGRID
1999May52.1°F53.7°F-1.6°NCLIMGRID
1999Jun61.7°F63.4°F-1.7°NCLIMGRID
1999Jul70.2°F70.8°F-0.7°NCLIMGRID
1999Aug69.7°F68.7°F+1.1°NCLIMGRID
1999Sep52.9°F57.0°F-4.1°NCLIMGRID
1999Oct46.3°F44.5°F+1.8°NCLIMGRID
1999Nov40.3°F30.3°F+10.0°NCLIMGRID
1999Dec30.1°F19.2°F+10.8°NCLIMGRID
2000Jan23.9°F16.3°F+7.7°NCLIMGRID
2000Feb28.9°F23.0°F+5.9°NCLIMGRID
2000Mar37.9°F32.2°F+5.7°NCLIMGRID
2000Apr44.3°F43.4°F+0.9°NCLIMGRID
2000May54.7°F53.7°F+1.0°NCLIMGRID
2000Jun61.5°F63.4°F-1.9°NCLIMGRID
2000Jul73.8°F70.8°F+3.0°NCLIMGRID
2000Aug72.7°F68.7°F+4.0°NCLIMGRID
2000Sep59.2°F57.0°F+2.2°NCLIMGRID
2000Oct46.7°F44.5°F+2.2°NCLIMGRID
2000Nov19.7°F30.3°F-10.6°NCLIMGRID
2000Dec13.3°F19.2°F-6.0°NCLIMGRID
2001Jan25.8°F16.3°F+9.6°NCLIMGRID
2001Feb15.0°F23.0°F-8.0°NCLIMGRID
2001Mar33.7°F32.2°F+1.5°NCLIMGRID
2001Apr43.7°F43.4°F+0.3°NCLIMGRID
2001May55.7°F53.7°F+2.1°NCLIMGRID
2001Jun62.6°F63.4°F-0.8°NCLIMGRID
2001Jul72.4°F70.8°F+1.6°NCLIMGRID
2001Aug74.0°F68.7°F+5.3°NCLIMGRID
2001Sep61.0°F57.0°F+3.9°NCLIMGRID
2001Oct45.2°F44.5°F+0.7°NCLIMGRID
2001Nov36.2°F30.3°F+5.9°NCLIMGRID
2001Dec23.3°F19.2°F+4.0°NCLIMGRID
2002Jan23.1°F16.3°F+6.8°NCLIMGRID
2002Feb26.5°F23.0°F+3.5°NCLIMGRID
2002Mar21.3°F32.2°F-11.0°NCLIMGRID
2002Apr40.9°F43.4°F-2.4°NCLIMGRID
2002May50.5°F53.7°F-3.2°NCLIMGRID
2002Jun65.9°F63.4°F+2.5°NCLIMGRID
2002Jul76.7°F70.8°F+5.8°NCLIMGRID
2002Aug67.6°F68.7°F-1.0°NCLIMGRID
2002Sep59.4°F57.0°F+2.4°NCLIMGRID
2002Oct38.8°F44.5°F-5.7°NCLIMGRID
2002Nov35.7°F30.3°F+5.4°NCLIMGRID
2002Dec27.6°F19.2°F+8.4°NCLIMGRID
2003Jan23.2°F16.3°F+7.0°NCLIMGRID
2003Feb22.0°F23.0°F-1.0°NCLIMGRID
2003Mar30.5°F32.2°F-1.7°NCLIMGRID
2003Apr48.5°F43.4°F+5.1°NCLIMGRID
2003May53.5°F53.7°F-0.1°NCLIMGRID
2003Jun60.1°F63.4°F-3.3°NCLIMGRID
2003Jul74.2°F70.8°F+3.4°NCLIMGRID
2003Aug76.4°F68.7°F+7.7°NCLIMGRID
2003Sep56.7°F57.0°F-0.3°NCLIMGRID
2003Oct49.8°F44.5°F+5.3°NCLIMGRID
2003Nov25.9°F30.3°F-4.4°NCLIMGRID
2003Dec27.0°F19.2°F+7.8°NCLIMGRID
2004Jan17.4°F16.3°F+1.1°NCLIMGRID
2004Feb24.0°F23.0°F+1.0°NCLIMGRID
2004Mar38.9°F32.2°F+6.7°NCLIMGRID
2004Apr46.3°F43.4°F+2.9°NCLIMGRID
2004May52.5°F53.7°F-1.1°NCLIMGRID
2004Jun59.4°F63.4°F-4.0°NCLIMGRID
2004Jul70.6°F70.8°F-0.2°NCLIMGRID
2004Aug64.8°F68.7°F-3.8°NCLIMGRID
2004Sep59.2°F57.0°F+2.2°NCLIMGRID
2004Oct46.4°F44.5°F+1.9°NCLIMGRID
2004Nov35.2°F30.3°F+4.9°NCLIMGRID
2004Dec28.6°F19.2°F+9.4°NCLIMGRID
2005Jan20.1°F16.3°F+3.8°NCLIMGRID
2005Feb29.4°F23.0°F+6.4°NCLIMGRID
2005Mar37.0°F32.2°F+4.7°NCLIMGRID
2005Apr45.9°F43.4°F+2.5°NCLIMGRID
2005May51.2°F53.7°F-2.5°NCLIMGRID
2005Jun63.8°F63.4°F+0.3°NCLIMGRID
2005Jul74.5°F70.8°F+3.7°NCLIMGRID
2005Aug67.4°F68.7°F-1.2°NCLIMGRID
2005Sep60.4°F57.0°F+3.3°NCLIMGRID
2005Oct46.2°F44.5°F+1.7°NCLIMGRID
2005Nov35.3°F30.3°F+5.0°NCLIMGRID
2005Dec18.9°F19.2°F-0.3°NCLIMGRID
2006Jan33.5°F16.3°F+17.2°NCLIMGRID
2006Feb24.8°F23.0°F+1.8°NCLIMGRID
2006Mar32.9°F32.2°F+0.7°NCLIMGRID
2006Apr47.6°F43.4°F+4.3°NCLIMGRID
2006May55.5°F53.7°F+1.8°NCLIMGRID
2006Jun66.8°F63.4°F+3.4°NCLIMGRID
2006Jul76.2°F70.8°F+5.3°NCLIMGRID
2006Aug70.7°F68.7°F+2.0°NCLIMGRID
2006Sep54.7°F57.0°F-2.3°NCLIMGRID
2006Oct42.0°F44.5°F-2.5°NCLIMGRID
2006Nov32.7°F30.3°F+2.5°NCLIMGRID
2006Dec25.8°F19.2°F+6.6°NCLIMGRID
2007Jan23.4°F16.3°F+7.1°NCLIMGRID
2007Feb19.8°F23.0°F-3.2°NCLIMGRID
2007Mar41.0°F32.2°F+8.8°NCLIMGRID
2007Apr42.1°F43.4°F-1.3°NCLIMGRID
2007May56.4°F53.7°F+2.7°NCLIMGRID
2007Jun65.1°F63.4°F+1.7°NCLIMGRID
2007Jul76.2°F70.8°F+5.3°NCLIMGRID
2007Aug71.2°F68.7°F+2.5°NCLIMGRID
2007Sep59.3°F57.0°F+2.3°NCLIMGRID
2007Oct47.3°F44.5°F+2.8°NCLIMGRID
2007Nov33.0°F30.3°F+2.7°NCLIMGRID
2007Dec20.9°F19.2°F+1.7°NCLIMGRID
2008Jan15.6°F16.3°F-0.7°NCLIMGRID
2008Feb21.0°F23.0°F-2.0°NCLIMGRID
2008Mar33.1°F32.2°F+0.9°NCLIMGRID
2008Apr40.9°F43.4°F-2.5°NCLIMGRID
2008May50.3°F53.7°F-3.3°NCLIMGRID
2008Jun60.2°F63.4°F-3.2°NCLIMGRID
2008Jul70.5°F70.8°F-0.4°NCLIMGRID
2008Aug69.6°F68.7°F+1.0°NCLIMGRID
2008Sep55.5°F57.0°F-1.5°NCLIMGRID
2008Oct44.0°F44.5°F-0.5°NCLIMGRID
2008Nov35.7°F30.3°F+5.4°NCLIMGRID
2008Dec13.1°F19.2°F-6.1°NCLIMGRID
2009Jan21.5°F16.3°F+5.3°NCLIMGRID
2009Feb27.1°F23.0°F+4.1°NCLIMGRID
2009Mar29.3°F32.2°F-2.9°NCLIMGRID
2009Apr39.5°F43.4°F-3.9°NCLIMGRID
2009May53.4°F53.7°F-0.2°NCLIMGRID
2009Jun59.4°F63.4°F-4.0°NCLIMGRID
2009Jul67.6°F70.8°F-3.2°NCLIMGRID
2009Aug66.0°F68.7°F-2.6°NCLIMGRID
2009Sep62.1°F57.0°F+5.1°NCLIMGRID
2009Oct37.5°F44.5°F-7.0°NCLIMGRID
2009Nov37.1°F30.3°F+6.8°NCLIMGRID
2009Dec12.1°F19.2°F-7.2°NCLIMGRID
2010Jan17.4°F16.3°F+1.1°NCLIMGRID
2010Feb15.7°F23.0°F-7.3°NCLIMGRID
2010Mar36.3°F32.2°F+4.1°NCLIMGRID
2010Apr44.7°F43.4°F+1.3°NCLIMGRID
2010May50.0°F53.7°F-3.6°NCLIMGRID
2010Jun62.2°F63.4°F-1.3°NCLIMGRID
2010Jul69.2°F70.8°F-1.6°NCLIMGRID
2010Aug69.0°F68.7°F+0.3°NCLIMGRID
2010Sep57.2°F57.0°F+0.2°NCLIMGRID
2010Oct50.3°F44.5°F+5.8°NCLIMGRID
2010Nov27.3°F30.3°F-2.9°NCLIMGRID
2010Dec18.4°F19.2°F-0.8°NCLIMGRID
2011Jan16.9°F16.3°F+0.7°NCLIMGRID
2011Feb16.0°F23.0°F-7.0°NCLIMGRID
2011Mar29.4°F32.2°F-2.9°NCLIMGRID
2011Apr41.7°F43.4°F-1.7°NCLIMGRID
2011May49.4°F53.7°F-4.2°NCLIMGRID
2011Jun61.6°F63.4°F-1.8°NCLIMGRID
2011Jul73.0°F70.8°F+2.2°NCLIMGRID
2011Aug70.2°F68.7°F+1.6°NCLIMGRID
2011Sep59.3°F57.0°F+2.3°NCLIMGRID
2011Oct48.5°F44.5°F+4.0°NCLIMGRID
2011Nov31.3°F30.3°F+1.0°NCLIMGRID
2011Dec26.5°F19.2°F+7.2°NCLIMGRID
2012Jan25.8°F16.3°F+9.5°NCLIMGRID
2012Feb24.6°F23.0°F+1.6°NCLIMGRID
2012Mar45.8°F32.2°F+13.5°NCLIMGRID
2012Apr47.9°F43.4°F+4.5°NCLIMGRID
2012May54.0°F53.7°F+0.3°NCLIMGRID
2012Jun68.3°F63.4°F+4.9°NCLIMGRID
2012Jul77.2°F70.8°F+6.3°NCLIMGRID
2012Aug70.3°F68.7°F+1.6°NCLIMGRID
2012Sep59.9°F57.0°F+2.8°NCLIMGRID
2012Oct42.6°F44.5°F-1.9°NCLIMGRID
2012Nov35.0°F30.3°F+4.7°NCLIMGRID
2012Dec20.2°F19.2°F+1.0°NCLIMGRID
2013Jan20.2°F16.3°F+3.9°NCLIMGRID
2013Feb28.4°F23.0°F+5.4°NCLIMGRID
2013Mar31.4°F32.2°F-0.9°NCLIMGRID
2013Apr36.9°F43.4°F-6.5°NCLIMGRID
2013May54.5°F53.7°F+0.9°NCLIMGRID
2013Jun61.8°F63.4°F-1.7°NCLIMGRID
2013Jul70.5°F70.8°F-0.3°NCLIMGRID
2013Aug70.3°F68.7°F+1.6°NCLIMGRID
2013Sep62.9°F57.0°F+5.9°NCLIMGRID
2013Oct42.5°F44.5°F-2.0°NCLIMGRID
2013Nov31.2°F30.3°F+1.0°NCLIMGRID
2013Dec13.8°F19.2°F-5.5°NCLIMGRID
2014Jan23.4°F16.3°F+7.2°NCLIMGRID
2014Feb13.8°F23.0°F-9.2°NCLIMGRID
2014Mar30.4°F32.2°F-1.8°NCLIMGRID
2014Apr41.9°F43.4°F-1.5°NCLIMGRID
2014May53.8°F53.7°F+0.1°NCLIMGRID
2014Jun60.4°F63.4°F-3.0°NCLIMGRID
2014Jul69.5°F70.8°F-1.4°NCLIMGRID
2014Aug68.1°F68.7°F-0.6°NCLIMGRID
2014Sep58.1°F57.0°F+1.1°NCLIMGRID
2014Oct48.6°F44.5°F+4.1°NCLIMGRID
2014Nov25.2°F30.3°F-5.1°NCLIMGRID
2014Dec25.2°F19.2°F+6.0°NCLIMGRID
2015Jan23.5°F16.3°F+7.3°NCLIMGRID
2015Feb24.7°F23.0°F+1.7°NCLIMGRID
2015Mar40.6°F32.2°F+8.3°NCLIMGRID
2015Apr45.6°F43.4°F+2.2°NCLIMGRID
2015May50.9°F53.7°F-2.7°NCLIMGRID
2015Jun66.4°F63.4°F+2.9°NCLIMGRID
2015Jul70.4°F70.8°F-0.4°NCLIMGRID
2015Aug68.9°F68.7°F+0.2°NCLIMGRID
2015Sep63.4°F57.0°F+6.4°NCLIMGRID
2015Oct48.5°F44.5°F+4.0°NCLIMGRID
2015Nov31.4°F30.3°F+1.1°NCLIMGRID
2015Dec23.8°F19.2°F+4.5°NCLIMGRID
2016Jan23.0°F16.3°F+6.8°NCLIMGRID
2016Feb34.3°F23.0°F+11.3°NCLIMGRID
2016Mar41.0°F32.2°F+8.8°NCLIMGRID
2016Apr46.0°F43.4°F+2.6°NCLIMGRID
2016May53.9°F53.7°F+0.2°NCLIMGRID
2016Jun69.4°F63.4°F+6.0°NCLIMGRID
2016Jul72.4°F70.8°F+1.6°NCLIMGRID
2016Aug69.1°F68.7°F+0.5°NCLIMGRID
2016Sep60.4°F57.0°F+3.4°NCLIMGRID
2016Oct48.9°F44.5°F+4.4°NCLIMGRID
2016Nov39.5°F30.3°F+9.3°NCLIMGRID
2016Dec12.2°F19.2°F-7.0°NCLIMGRID
2017Jan12.2°F16.3°F-4.0°NCLIMGRID
2017Feb27.6°F23.0°F+4.6°NCLIMGRID
2017Mar38.5°F32.2°F+6.3°NCLIMGRID
2017Apr44.9°F43.4°F+1.5°NCLIMGRID
2017May54.0°F53.7°F+0.3°NCLIMGRID
2017Jun65.9°F63.4°F+2.4°NCLIMGRID
2017Jul76.6°F70.8°F+5.7°NCLIMGRID
2017Aug67.6°F68.7°F-1.1°NCLIMGRID
2017Sep57.7°F57.0°F+0.7°NCLIMGRID
2017Oct45.1°F44.5°F+0.6°NCLIMGRID
2017Nov33.7°F30.3°F+3.4°NCLIMGRID
2017Dec21.3°F19.2°F+2.0°NCLIMGRID
2018Jan18.1°F16.3°F+1.8°NCLIMGRID
2018Feb7.7°F23.0°F-15.3°NCLIMGRID
2018Mar27.2°F32.2°F-5.0°NCLIMGRID
2018Apr39.0°F43.4°F-4.4°NCLIMGRID
2018May58.2°F53.7°F+4.6°NCLIMGRID
2018Jun64.3°F63.4°F+0.9°NCLIMGRID
2018Jul71.4°F70.8°F+0.5°NCLIMGRID
2018Aug67.6°F68.7°F-1.0°NCLIMGRID
2018Sep58.7°F57.0°F+1.7°NCLIMGRID
2018Oct42.0°F44.5°F-2.5°NCLIMGRID
2018Nov31.4°F30.3°F+1.1°NCLIMGRID
2018Dec24.0°F19.2°F+4.8°NCLIMGRID
2019Jan24.3°F16.3°F+8.0°NCLIMGRID
2019Feb5.3°F23.0°F-17.7°NCLIMGRID
2019Mar23.1°F32.2°F-9.1°NCLIMGRID
2019Apr44.5°F43.4°F+1.1°NCLIMGRID
2019May47.9°F53.7°F-5.8°NCLIMGRID
2019Jun62.3°F63.4°F-1.1°NCLIMGRID
2019Jul69.7°F70.8°F-1.1°NCLIMGRID
2019Aug68.5°F68.7°F-0.2°NCLIMGRID
2019Sep60.2°F57.0°F+3.2°NCLIMGRID
2019Oct37.6°F44.5°F-6.9°NCLIMGRID
2019Nov31.2°F30.3°F+0.9°NCLIMGRID
2019Dec25.0°F19.2°F+5.8°NCLIMGRID
2020Jan23.6°F16.3°F+7.3°NCLIMGRID
2020Feb25.2°F23.0°F+2.2°NCLIMGRID
2020Mar35.7°F32.2°F+3.5°NCLIMGRID
2020Apr39.4°F43.4°F-4.0°NCLIMGRID
2020May53.2°F53.7°F-0.4°NCLIMGRID
2020Jun66.0°F63.4°F+2.6°NCLIMGRID
2020Jul71.5°F70.8°F+0.6°NCLIMGRID
2020Aug71.9°F68.7°F+3.2°NCLIMGRID
2020Sep59.0°F57.0°F+2.0°NCLIMGRID
2020Oct40.2°F44.5°F-4.3°NCLIMGRID
2020Nov35.8°F30.3°F+5.5°NCLIMGRID
2020Dec29.4°F19.2°F+10.2°NCLIMGRID
2021Jan27.0°F16.3°F+10.8°NCLIMGRID
2021Feb11.9°F23.0°F-11.1°NCLIMGRID
2021Mar38.5°F32.2°F+6.3°NCLIMGRID
2021Apr42.5°F43.4°F-0.9°NCLIMGRID
2021May51.9°F53.7°F-1.7°NCLIMGRID
2021Jun71.7°F63.4°F+8.2°NCLIMGRID
2021Jul77.6°F70.8°F+6.7°NCLIMGRID
2021Aug70.6°F68.7°F+2.0°NCLIMGRID
2021Sep62.2°F57.0°F+5.2°NCLIMGRID
2021Oct46.9°F44.5°F+2.4°NCLIMGRID
2021Nov37.9°F30.3°F+7.6°NCLIMGRID
2021Dec23.5°F19.2°F+4.2°NCLIMGRID
2022Jan23.4°F16.3°F+7.2°NCLIMGRID
2022Feb23.1°F23.0°F+0.1°NCLIMGRID
2022Mar34.4°F32.2°F+2.2°NCLIMGRID
2022Apr37.3°F43.4°F-6.1°NCLIMGRID
2022May52.4°F53.7°F-1.3°NCLIMGRID
2022Jun63.0°F63.4°F-0.5°NCLIMGRID
2022Jul73.2°F70.8°F+2.4°NCLIMGRID
2022Aug72.5°F68.7°F+3.9°NCLIMGRID
2022Sep63.6°F57.0°F+6.5°NCLIMGRID
2022Oct47.2°F44.5°F+2.7°NCLIMGRID
2022Nov25.7°F30.3°F-4.6°NCLIMGRID
2022Dec14.5°F19.2°F-4.7°NCLIMGRID
2023Jan24.6°F16.3°F+8.3°NCLIMGRID
2023Feb24.3°F23.0°F+1.3°NCLIMGRID
2023Mar26.2°F32.2°F-6.0°NCLIMGRID
2023Apr41.2°F43.4°F-2.2°NCLIMGRID
2023May59.3°F53.7°F+5.7°NCLIMGRID
2023Jun65.1°F63.4°F+1.7°NCLIMGRID
2023Jul71.2°F70.8°F+0.4°NCLIMGRID
2023Aug70.5°F68.7°F+1.8°NCLIMGRID
2023Sep62.9°F57.0°F+5.9°NCLIMGRID
2023Oct42.8°F44.5°F-1.7°NCLIMGRID
2023Nov35.8°F30.3°F+5.5°NCLIMGRID
2023Dec30.4°F19.2°F+11.2°NCLIMGRID
2024Jan17.8°F16.3°F+1.6°NCLIMGRID
2024Feb32.2°F23.0°F+9.2°NCLIMGRID
2024Mar32.9°F32.2°F+0.6°NCLIMGRID
2024Apr46.4°F43.4°F+3.0°NCLIMGRID
2024May52.3°F53.7°F-1.3°NCLIMGRID
2024Jun64.9°F63.4°F+1.5°NCLIMGRID
2024Jul72.8°F70.8°F+1.9°NCLIMGRID
2024Aug70.2°F68.7°F+1.6°NCLIMGRID
2024Sep65.2°F57.0°F+8.2°NCLIMGRID
2024Oct51.4°F44.5°F+6.9°NCLIMGRID
2024Nov32.1°F30.3°F+1.8°NCLIMGRID
2024Dec28.7°F19.2°F+9.5°NCLIMGRID
2025Jan16.8°F16.3°F+0.6°NCLIMGRID
2025Feb10.9°F23.0°F-12.1°NCLIMGRID
2025Mar40.0°F32.2°F+7.7°NCLIMGRID
2025Apr44.4°F43.4°F+1.0°NCLIMGRID
2025May55.4°F53.7°F+1.7°NCLIMGRID
2025Jun64.6°F63.4°F+1.1°NCLIMGRID
2025Jul72.3°F70.8°F+1.4°NCLIMGRID
2025Aug69.8°F68.7°F+1.1°NCLIMGRID
2025Sep62.3°F57.0°F+5.3°NCLIMGRID
2025Oct48.5°F44.5°F+4.0°NCLIMGRID
2025Nov37.0°F30.3°F+6.7°NCLIMGRID
2025Dec29.1°F19.2°F+9.8°NCLIMGRID
2026Jan25.9°F16.3°F+9.6°NCLIMGRID
2026Feb32.5°F23.0°F+9.5°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
January16.3°F26/26
February23.0°F26/26
March32.2°F26/26
April43.4°F26/26
May53.7°F26/26
June63.4°F26/26
July70.8°F26/26
August68.7°F26/26
September57.0°F26/26
October44.5°F26/26
November30.3°F26/26
December19.2°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 Boyes, Montana getting warmer?

Based on 96+ years of NOAA temperature records, Boyes has warmed at a rate of approximately 0.21°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 Boyes?

The warmest year on record in Boyes was 2012, based on average annual temperature anomaly from NOAA station data.

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

How are the climate visualizations for Boyes created?

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

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

Wear Boyes's Climate Story

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

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