Climate Change in Box Elder, Montana

96+ years of recorded temperature data show Box Elder is warming.

Based on our analysis of 96 years of temperature data near Box Elder, MT, this area shows a warming trend of approximately +0.3°F per decade. 8 of the last 10 years recorded above-average temperatures, and 1987 was the warmest year on record at +4.3°F above the historical baseline.

Key Climate Facts

Rate of Change

+0.3°F

per decade

Warmest Year

1987

+4.3°F anomaly

Recent Warm Years

8 / 10

above-average years

Decade Shift

+1.8°F

2020s vs 1930s

Compared to the National Average

Box Elder is warming 0.1°F/decade faster than the national average.

National: +0.20°F/decade
Box Elder: +0.27°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 Box Elder's long-term warming trend.

Temperature anomaly spiral for Box Elder, Montana
Climate spiral: monthly temperature anomalies from 96+ years of NOAA records for Box Elder, 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 Box Elder, Montana
Warming stripes: each stripe is one year of average temperature anomaly for Box Elder, MT.

Temperature Trend

Annual temperature anomalies plotted over time with a linear regression trend line. The slope of +0.27°F per decade quantifies the rate of change.

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

Temperature by Decade

1930s
+0.15°F
1940s
-0.50°F
1950s
-1.84°F
1960s
-0.40°F
1970s
-0.76°F
1980s
+0.78°F
1990s
+0.98°F
2000s
+1.37°F
2010s
+0.74°F
2020s
+2.19°F

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

Anomaly Scale

-9.4°F Colder Normal +9.0°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 Box Elder, MT. Filter by decade or download as CSV.

Data Sources & Audit

Station
nClimGrid 5km Grid Point
Distance
0.9 mi
Coverage
99.1%
Records
1,154
Range
1930-01 – 2026-02
Full Data Audit 1,154 records
YearMonthTempBaselineAnomalySourceGap
1930Jan1.4°F14.8°F-13.4°NCLIMGRID
1930Feb31.0°F21.4°F+9.7°NCLIMGRID
1930Mar26.8°F30.7°F-3.9°NCLIMGRID
1930Apr48.4°F41.7°F+6.7°NCLIMGRID
1930May50.8°F51.9°F-1.1°NCLIMGRID
1930Jun60.1°F60.2°F-0.1°NCLIMGRID
1930Jul69.4°F66.2°F+3.2°NCLIMGRID
1930Aug68.0°F65.2°F+2.9°NCLIMGRID
1930Sep54.4°F54.4°F+0.0°NCLIMGRID
1930Oct36.2°F43.1°F-6.9°NCLIMGRID
1930Nov27.8°F28.8°F-1.1°NCLIMGRID
1930Dec26.2°F18.8°F+7.5°NCLIMGRID
1931Jan26.8°F14.8°F+12.1°NCLIMGRID
1931Feb33.3°F21.4°F+12.0°NCLIMGRID
1931Mar29.4°F30.7°F-1.3°NCLIMGRID
1931Apr42.9°F41.7°F+1.2°NCLIMGRID
1931May53.3°F51.9°F+1.4°NCLIMGRID
1931Jun63.7°F60.2°F+3.5°NCLIMGRID
1931Jul65.6°F66.2°F-0.6°NCLIMGRID
1931Aug64.4°F65.2°F-0.8°NCLIMGRID
1931Sep55.3°F54.4°F+0.8°NCLIMGRID
1931Oct44.2°F43.1°F+1.1°NCLIMGRID
1931Nov24.1°F28.8°F-4.7°NCLIMGRID
1931Dec20.7°F18.8°F+1.9°NCLIMGRID
1932Jan16.7°F14.8°F+1.9°NCLIMGRID
1932Feb20.2°F21.4°F-1.1°NCLIMGRID
1932Mar19.9°F30.7°F-10.8°NCLIMGRID
1932Apr44.3°F41.7°F+2.6°NCLIMGRID
1932May53.9°F51.9°F+2.1°NCLIMGRID
1932Jun60.2°F60.2°F+0.0°NCLIMGRID
1932Jul66.2°F66.2°F+0.0°NCLIMGRID
1932Aug64.8°F65.2°F-0.3°NCLIMGRID
1932Sep54.6°F54.4°F+0.1°NCLIMGRID
1932Oct40.0°F43.1°F-3.0°NCLIMGRID
1932Nov30.4°F28.8°F+1.5°NCLIMGRID
1932Dec17.5°F18.8°F-1.2°NCLIMGRID
1933Jan21.3°F14.8°F+6.6°NCLIMGRID
1933Feb15.2°F21.4°F-6.1°NCLIMGRID
1933Mar32.6°F30.7°F+1.9°NCLIMGRID
1933Apr38.9°F41.7°F-2.7°NCLIMGRID
1933May50.5°F51.9°F-1.4°NCLIMGRID
1933Jun64.8°F60.2°F+4.5°NCLIMGRID
1933Jul68.4°F66.2°F+2.2°NCLIMGRID
1933Aug64.7°F65.2°F-0.5°NCLIMGRID
1933Sep53.8°F54.4°F-0.7°NCLIMGRID
1933Oct41.7°F43.1°F-1.4°NCLIMGRID
1933Nov33.5°F28.8°F+4.7°NCLIMGRID
1933Dec13.4°F18.8°F-5.4°NCLIMGRID
1934Jan26.9°F14.8°F+12.1°NCLIMGRID
1934Feb29.7°F21.4°F+8.3°NCLIMGRID
1934Mar29.8°F30.7°F-1.0°NCLIMGRID
1934Apr46.1°F41.7°F+4.4°NCLIMGRID
1934May59.2°F51.9°F+7.4°NCLIMGRID
1934Jun58.4°F60.2°F-1.8°NCLIMGRID
1934Jul67.9°F66.2°F+1.7°NCLIMGRID
1934Aug64.3°F65.2°F-0.9°NCLIMGRID
1934Sep48.4°F54.4°F-6.0°NCLIMGRID
1934Oct45.8°F43.1°F+2.8°NCLIMGRID
1934Nov35.7°F28.8°F+6.9°NCLIMGRID
1934Dec21.0°F18.8°F+2.2°NCLIMGRID
1935Jan8.8°F14.8°F-5.9°NCLIMGRID
1935Feb28.4°F21.4°F+7.1°NCLIMGRID
1935Mar23.1°F30.7°F-7.6°NCLIMGRID
1935Apr34.6°F41.7°F-7.0°NCLIMGRID
1935May48.3°F51.9°F-3.5°NCLIMGRID
1935Jun58.0°F60.2°F-2.2°NCLIMGRID
1935Jul68.9°F66.2°F+2.7°NCLIMGRID
1935Aug61.9°F65.2°F-3.3°NCLIMGRID
1935Sep55.0°F54.4°F+0.6°NCLIMGRID
1935Oct42.8°F43.1°F-0.3°NCLIMGRID
1935Nov22.6°F28.8°F-6.2°NCLIMGRID
1935Dec24.4°F18.8°F+5.6°NCLIMGRID
1936Jan8.8°F14.8°F-6.0°NCLIMGRID
1936Feb-13.5°F21.4°F-34.8°NCLIMGRID
1936Mar27.3°F30.7°F-3.5°NCLIMGRID
1936Apr38.4°F41.7°F-3.3°NCLIMGRID
1936May60.0°F51.9°F+8.2°NCLIMGRID
1936Jun63.2°F60.2°F+2.9°NCLIMGRID
1936Jul76.5°F66.2°F+10.3°NCLIMGRID
1936Aug66.4°F65.2°F+1.2°NCLIMGRID
1936Sep55.1°F54.4°F+0.6°NCLIMGRID
1936Oct44.3°F43.1°F+1.3°NCLIMGRID
1936Nov31.4°F28.8°F+2.6°NCLIMGRID
1936Dec16.4°F18.8°F-2.3°NCLIMGRID
1937Jan-5.5°F14.8°F-20.3°NCLIMGRID
1937Feb10.0°F21.4°F-11.4°NCLIMGRID
1937Mar27.4°F30.7°F-3.3°NCLIMGRID
1937Apr43.7°F41.7°F+2.0°NCLIMGRID
1937May54.4°F51.9°F+2.5°NCLIMGRID
1937Jun61.1°F60.2°F+0.9°NCLIMGRID
1937Jul69.2°F66.2°F+3.0°NCLIMGRID
1937Aug64.3°F65.2°F-0.9°NCLIMGRID
1937Sep55.3°F54.4°F+0.9°NCLIMGRID
1937Oct46.0°F43.1°F+2.9°NCLIMGRID
1937Nov27.0°F28.8°F-1.8°NCLIMGRID
1937Dec18.5°F18.8°F-0.2°NCLIMGRID
1938Jan23.4°F14.8°F+8.7°NCLIMGRID
1938Feb6.2°F21.4°F-15.1°NCLIMGRID
1938Mar28.8°F30.7°F-1.9°NCLIMGRID
1938Apr41.9°F41.7°F+0.2°NCLIMGRID
1938May49.4°F51.9°F-2.4°NCLIMGRID
1938Jun60.6°F60.2°F+0.4°NCLIMGRID
1938Jul66.7°F66.2°F+0.5°NCLIMGRID
1938Aug63.5°F65.2°F-1.6°NCLIMGRID
1938Sep61.8°F54.4°F+7.4°NCLIMGRID
1938Oct46.5°F43.1°F+3.4°NCLIMGRID
1938Nov27.7°F28.8°F-1.1°NCLIMGRID
1938Dec24.2°F18.8°F+5.5°NCLIMGRID
1939Jan27.0°F14.8°F+12.2°NCLIMGRID
1939Feb9.7°F21.4°F-11.7°NCLIMGRID
1939Mar29.5°F30.7°F-1.2°NCLIMGRID
1939Apr44.2°F41.7°F+2.5°NCLIMGRID
1939May55.6°F51.9°F+3.7°NCLIMGRID
1939Jun54.9°F60.2°F-5.4°NCLIMGRID
1939Jul68.8°F66.2°F+2.6°NCLIMGRID
1939Aug65.4°F65.2°F+0.2°NCLIMGRID
1939Sep56.1°F54.4°F+1.7°NCLIMGRID
1939Oct41.1°F43.1°F-2.0°NCLIMGRID
1939Nov37.8°F28.8°F+8.9°NCLIMGRID
1939Dec29.5°F18.8°F+10.7°NCLIMGRID
1940Jan6.1°F14.8°F-8.7°NCLIMGRID
1940Feb14.5°F21.4°F-6.8°NCLIMGRID
1940Mar30.0°F30.7°F-0.7°NCLIMGRID
1940Apr37.8°F41.7°F-3.9°NCLIMGRID
1940May55.3°F51.9°F+3.5°NCLIMGRID
1940Jun61.0°F60.2°F+0.7°NCLIMGRID
1940Jul67.7°F66.2°F+1.5°NCLIMGRID
1940Aug66.3°F65.2°F+1.2°NCLIMGRID
1940Sep60.6°F54.4°F+6.1°NCLIMGRID
1940Oct48.5°F43.1°F+5.4°NCLIMGRID
1940Nov18.3°F28.8°F-10.5°NCLIMGRID
1940Dec26.4°F18.8°F+7.6°NCLIMGRID
1941Jan19.5°F14.8°F+4.7°NCLIMGRID
1941Feb21.7°F21.4°F+0.4°NCLIMGRID
1941Mar30.8°F30.7°F+0.0°NCLIMGRID
1941Apr43.6°F41.7°F+1.9°NCLIMGRID
1941May54.2°F51.9°F+2.3°NCLIMGRID
1941Jun60.9°F60.2°F+0.6°NCLIMGRID
1941Jul68.8°F66.2°F+2.6°NCLIMGRID
1941Aug65.2°F65.2°F+0.1°NCLIMGRID
1941Sep49.2°F54.4°F-5.2°NCLIMGRID
1941Oct42.7°F43.1°F-0.3°NCLIMGRID
1941Nov34.1°F28.8°F+5.2°NCLIMGRID
1941Dec23.4°F18.8°F+4.6°NCLIMGRID
1942Jan21.7°F14.8°F+6.9°NCLIMGRID
1942Feb15.1°F21.4°F-6.3°NCLIMGRID
1942Mar30.0°F30.7°F-0.8°NCLIMGRID
1942Apr44.7°F41.7°F+3.0°NCLIMGRID
1942May49.1°F51.9°F-2.7°NCLIMGRID
1942Jun55.0°F60.2°F-5.2°NCLIMGRID
1942Jul65.7°F66.2°F-0.5°NCLIMGRID
1942Aug63.9°F65.2°F-1.2°NCLIMGRID
1942Sep54.7°F54.4°F+0.3°NCLIMGRID
1942Oct45.0°F43.1°F+1.9°NCLIMGRID
1942Nov26.9°F28.8°F-2.0°NCLIMGRID
1942Dec19.6°F18.8°F+0.9°NCLIMGRID
1943Jan2.6°F14.8°F-12.2°NCLIMGRID
1943Feb23.7°F21.4°F+2.4°NCLIMGRID
1943Mar18.9°F30.7°F-11.9°NCLIMGRID
1943Apr46.7°F41.7°F+5.1°NCLIMGRID
1943May48.0°F51.9°F-3.9°NCLIMGRID
1943Jun54.4°F60.2°F-5.8°NCLIMGRID
1943Jul66.3°F66.2°F+0.1°NCLIMGRID
1943Aug64.5°F65.2°F-0.7°NCLIMGRID
1943Sep53.5°F54.4°F-1.0°NCLIMGRID
1943Oct46.1°F43.1°F+3.1°NCLIMGRID
1943Nov32.9°F28.8°F+4.0°NCLIMGRID
1943Dec27.2°F18.8°F+8.4°NCLIMGRID
1944Jan26.2°F14.8°F+11.4°NCLIMGRID
1944Feb21.1°F21.4°F-0.3°NCLIMGRID
1944Mar21.3°F30.7°F-9.5°NCLIMGRID
1944Apr44.6°F41.7°F+3.0°NCLIMGRID
1944May55.6°F51.9°F+3.8°NCLIMGRID
1944Jun57.0°F60.2°F-3.2°NCLIMGRID
1944Jul64.7°F66.2°F-1.5°NCLIMGRID
1944Aug61.9°F65.2°F-3.3°NCLIMGRID
1944Sep55.8°F54.4°F+1.3°NCLIMGRID
1944Oct48.3°F43.1°F+5.3°NCLIMGRID
1944Nov23.1°F28.8°F-5.7°NCLIMGRID
1944Dec18.8°F18.8°F+0.0°NCLIMGRID
1945Jan16.9°F14.8°F+2.1°NCLIMGRID
1945Feb18.0°F21.4°F-3.4°NCLIMGRID
1945Mar32.7°F30.7°F+2.0°NCLIMGRID
1945Apr36.4°F41.7°F-5.2°NCLIMGRID
1945May48.7°F51.9°F-3.2°NCLIMGRID
1945Jun55.1°F60.2°F-5.1°NCLIMGRID
1945Jul68.1°F66.2°F+1.9°NCLIMGRID
1945Aug65.8°F65.2°F+0.6°NCLIMGRID
1945Sep50.2°F54.4°F-4.2°NCLIMGRID
1945Oct45.2°F43.1°F+2.1°NCLIMGRID
1945Nov23.8°F28.8°F-5.1°NCLIMGRID
1945Dec14.4°F18.8°F-4.4°NCLIMGRID
1946Jan23.1°F14.8°F+8.3°NCLIMGRID
1946Feb23.5°F21.4°F+2.2°NCLIMGRID
1946Mar38.2°F30.7°F+7.4°NCLIMGRID
1946Apr46.8°F41.7°F+5.1°NCLIMGRID
1946May48.2°F51.9°F-3.6°NCLIMGRID
1946Jun58.3°F60.2°F-1.9°NCLIMGRID
1946Jul68.4°F66.2°F+2.2°NCLIMGRID
1946Aug62.8°F65.2°F-2.4°NCLIMGRID
1946Sep52.7°F54.4°F-1.7°NCLIMGRID
1946Oct37.8°F43.1°F-5.3°NCLIMGRID
1946Nov20.3°F28.8°F-8.6°NCLIMGRID
1946Dec17.8°F18.8°F-1.0°NCLIMGRID
1947Jan21.3°F14.8°F+6.5°NCLIMGRID
1947Feb13.9°F21.4°F-7.4°NCLIMGRID
1947Mar18.7°F30.7°F-12.1°NCLIMGRID
1947Apr43.0°F41.7°F+1.3°NCLIMGRID
1947May51.6°F51.9°F-0.3°NCLIMGRID
1947Jun56.4°F60.2°F-3.8°NCLIMGRID
1947Jul71.2°F66.2°F+5.0°NCLIMGRID
1947Aug64.5°F65.2°F-0.6°NCLIMGRID
1947Sep53.7°F54.4°F-0.7°NCLIMGRID
1947Oct47.2°F43.1°F+4.1°NCLIMGRID
1947Nov24.8°F28.8°F-4.1°NCLIMGRID
1947Dec24.3°F18.8°F+5.5°NCLIMGRID
1948Jan26.9°F14.8°F+12.1°NCLIMGRID
1948Feb15.3°F21.4°F-6.1°NCLIMGRID
1948Mar23.1°F30.7°F-7.7°NCLIMGRID
1948Apr41.1°F41.7°F-0.6°NCLIMGRID
1948May53.2°F51.9°F+1.3°NCLIMGRID
1948Jun59.7°F60.2°F-0.5°NCLIMGRID
1948Jul65.0°F66.2°F-1.2°NCLIMGRID
1948Aug65.6°F65.2°F+0.4°NCLIMGRID
1948Sep56.3°F54.4°F+1.9°NCLIMGRID
1948Oct43.7°F43.1°F+0.6°NCLIMGRID
1948Nov31.6°F28.8°F+2.7°NCLIMGRID
1948Dec8.3°F18.8°F-10.5°NCLIMGRID
1949Jan2.8°F14.8°F-11.9°NCLIMGRID
1949Feb7.2°F21.4°F-14.1°NCLIMGRID
1949Mar26.6°F30.7°F-4.2°NCLIMGRID
1949Apr48.1°F41.7°F+6.5°NCLIMGRID
1949May54.5°F51.9°F+2.7°NCLIMGRID
1949Jun59.9°F60.2°F-0.3°NCLIMGRID
1949Jul65.9°F66.2°F-0.3°NCLIMGRID
1949Aug68.0°F65.2°F+2.9°NCLIMGRID
1949Sep54.2°F54.4°F-0.2°NCLIMGRID
1949Oct39.1°F43.1°F-4.0°NCLIMGRID
1949Nov40.6°F28.8°F+11.7°NCLIMGRID
1949Dec10.0°F18.8°F-8.8°NCLIMGRID
1950Jan-14.9°F14.8°F-29.7°NCLIMGRID
1950Feb18.3°F21.4°F-3.1°NCLIMGRID
1950Mar20.9°F30.7°F-9.9°NCLIMGRID
1950Apr37.6°F41.7°F-4.1°NCLIMGRID
1950May48.3°F51.9°F-3.6°NCLIMGRID
1950Jun56.4°F60.2°F-3.9°NCLIMGRID
1950Jul63.7°F66.2°F-2.5°NCLIMGRID
1950Aug60.9°F65.2°F-4.2°NCLIMGRID
1950Sep52.8°F54.4°F-1.7°NCLIMGRID
1950Oct43.9°F43.1°F+0.8°NCLIMGRID
1950Nov24.0°F28.8°F-4.9°NCLIMGRID
1950Dec22.4°F18.8°F+3.6°NCLIMGRID
1951Jan7.9°F14.8°F-6.9°NCLIMGRID
1951Feb15.0°F21.4°F-6.3°NCLIMGRID
1951Mar13.2°F30.7°F-17.5°NCLIMGRID
1951Apr37.8°F41.7°F-3.9°NCLIMGRID
1951May52.4°F51.9°F+0.5°NCLIMGRID
1951Jun52.8°F60.2°F-7.4°NCLIMGRID
1951Jul65.3°F66.2°F-0.9°NCLIMGRID
1951Aug61.7°F65.2°F-3.5°NCLIMGRID
1951Sep49.3°F54.4°F-5.1°NCLIMGRID
1951Oct38.2°F43.1°F-4.9°NCLIMGRID
1951Nov28.0°F28.8°F-0.8°NCLIMGRID
1951Dec8.7°F18.8°F-10.1°NCLIMGRID
1952Jan6.1°F14.8°F-8.6°NCLIMGRID
1952Feb19.7°F21.4°F-1.6°NCLIMGRID
1952Mar16.6°F30.7°F-14.1°NCLIMGRID
1952Apr47.3°F41.7°F+5.6°NCLIMGRID
1952May52.8°F51.9°F+1.0°NCLIMGRID
1952Jun59.1°F60.2°F-1.1°NCLIMGRID
1952Jul63.2°F66.2°F-3.0°NCLIMGRID
1952Aug63.2°F65.2°F-1.9°NCLIMGRID
1952Sep57.6°F54.4°F+3.2°NCLIMGRID
1952Oct43.7°F43.1°F+0.6°NCLIMGRID
1952Nov28.9°F28.8°F+0.1°NCLIMGRID
1952Dec21.1°F18.8°F+2.3°NCLIMGRID
1953Jan24.2°F14.8°F+9.4°NCLIMGRID
1953Feb27.6°F21.4°F+6.3°NCLIMGRID
1953Mar31.9°F30.7°F+1.2°NCLIMGRID
1953Apr35.6°F41.7°F-6.1°NCLIMGRID
1953May47.7°F51.9°F-4.2°NCLIMGRID
1953Jun56.8°F60.2°F-3.5°NCLIMGRID
1953Jul65.9°F66.2°F-0.3°NCLIMGRID
1953Aug65.3°F65.2°F+0.1°NCLIMGRID
1953Sep56.3°F54.4°F+1.9°NCLIMGRID
1953Oct48.7°F43.1°F+5.6°NCLIMGRID
1953Nov36.3°F28.8°F+7.5°NCLIMGRID
1953Dec26.9°F18.8°F+8.1°NCLIMGRID
1954Jan2.2°F14.8°F-12.6°NCLIMGRID
1954Feb35.2°F21.4°F+13.8°NCLIMGRID
1954Mar21.5°F30.7°F-9.3°NCLIMGRID
1954Apr34.0°F41.7°F-7.7°NCLIMGRID
1954May49.3°F51.9°F-2.5°NCLIMGRID
1954Jun55.1°F60.2°F-5.2°NCLIMGRID
1954Jul67.2°F66.2°F+1.0°NCLIMGRID
1954Aug62.9°F65.2°F-2.3°NCLIMGRID
1954Sep53.2°F54.4°F-1.3°NCLIMGRID
1954Oct42.7°F43.1°F-0.4°NCLIMGRID
1954Nov40.8°F28.8°F+12.0°NCLIMGRID
1954Dec29.0°F18.8°F+10.2°NCLIMGRID
1955Jan15.4°F14.8°F+0.7°NCLIMGRID
1955Feb16.6°F21.4°F-4.7°NCLIMGRID
1955Mar20.9°F30.7°F-9.9°NCLIMGRID
1955Apr37.7°F41.7°F-3.9°NCLIMGRID
1955May48.3°F51.9°F-3.6°NCLIMGRID
1955Jun57.4°F60.2°F-2.9°NCLIMGRID
1955Jul63.8°F66.2°F-2.4°NCLIMGRID
1955Aug65.4°F65.2°F+0.2°NCLIMGRID
1955Sep51.4°F54.4°F-3.1°NCLIMGRID
1955Oct44.9°F43.1°F+1.8°NCLIMGRID
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1984Feb35.2°F21.4°F+13.9°NCLIMGRID
1984Mar30.5°F30.7°F-0.2°NCLIMGRID
1984Apr42.8°F41.7°F+1.2°NCLIMGRID
1984May51.0°F51.9°F-0.8°NCLIMGRID
1984Jun58.9°F60.2°F-1.3°NCLIMGRID
1984Jul67.6°F66.2°F+1.4°NCLIMGRID
1984Aug69.2°F65.2°F+4.0°NCLIMGRID
1984Sep48.5°F54.4°F-6.0°NCLIMGRID
1984Oct37.6°F43.1°F-5.4°NCLIMGRID
1984Nov29.0°F28.8°F+0.1°NCLIMGRID
1984Dec10.7°F18.8°F-8.1°NCLIMGRID
1985Jan13.3°F14.8°F-1.5°NCLIMGRID
1985Feb15.3°F21.4°F-6.0°NCLIMGRID
1985Mar32.9°F30.7°F+2.1°NCLIMGRID
1985Apr45.6°F41.7°F+3.9°NCLIMGRID
1985May56.5°F51.9°F+4.6°NCLIMGRID
1985Jun59.0°F60.2°F-1.2°NCLIMGRID
1985Jul70.4°F66.2°F+4.2°NCLIMGRID
1985Aug61.2°F65.2°F-4.0°NCLIMGRID
1985Sep46.6°F54.4°F-7.8°NCLIMGRID
1985Oct42.0°F43.1°F-1.1°NCLIMGRID
1985Nov10.3°F28.8°F-18.5°NCLIMGRID
1985Dec20.2°F18.8°F+1.4°NCLIMGRID
1986Jan31.0°F14.8°F+16.3°NCLIMGRID
1986Feb12.1°F21.4°F-9.3°NCLIMGRID
1986Mar40.9°F30.7°F+10.1°NCLIMGRID
1986Apr41.0°F41.7°F-0.7°NCLIMGRID
1986May52.0°F51.9°F+0.1°NCLIMGRID
1986Jun64.3°F60.2°F+4.1°NCLIMGRID
1986Jul62.9°F66.2°F-3.3°NCLIMGRID
1986Aug65.1°F65.2°F-0.1°NCLIMGRID
1986Sep48.7°F54.4°F-5.7°NCLIMGRID
1986Oct45.4°F43.1°F+2.4°NCLIMGRID
1986Nov25.3°F28.8°F-3.6°NCLIMGRID
1986Dec29.0°F18.8°F+10.2°NCLIMGRID
1987Jan28.0°F14.8°F+13.2°NCLIMGRID
1987Feb31.7°F21.4°F+10.3°NCLIMGRID
1987Mar33.6°F30.7°F+2.9°NCLIMGRID
1987Apr48.9°F41.7°F+7.2°NCLIMGRID
1987May56.0°F51.9°F+4.1°NCLIMGRID
1987Jun63.0°F60.2°F+2.8°NCLIMGRID
1987Jul65.2°F66.2°F-1.0°NCLIMGRID
1987Aug60.3°F65.2°F-4.8°NCLIMGRID
1987Sep57.3°F54.4°F+2.8°NCLIMGRID
1987Oct43.6°F43.1°F+0.6°NCLIMGRID
1987Nov35.1°F28.8°F+6.2°NCLIMGRID
1987Dec26.0°F18.8°F+7.2°NCLIMGRID
1988Jan17.7°F14.8°F+2.9°NCLIMGRID
1988Feb23.8°F21.4°F+2.4°NCLIMGRID
1988Mar35.2°F30.7°F+4.4°NCLIMGRID
1988Apr46.0°F41.7°F+4.3°NCLIMGRID
1988May57.8°F51.9°F+6.0°NCLIMGRID
1988Jun69.4°F60.2°F+9.2°NCLIMGRID
1988Jul67.8°F66.2°F+1.6°NCLIMGRID
1988Aug65.0°F65.2°F-0.1°NCLIMGRID
1988Sep54.3°F54.4°F-0.2°NCLIMGRID
1988Oct45.4°F43.1°F+2.3°NCLIMGRID
1988Nov30.2°F28.8°F+1.4°NCLIMGRID
1988Dec22.4°F18.8°F+3.7°NCLIMGRID
1989Jan22.4°F14.8°F+7.7°NCLIMGRID
1989Feb7.6°F21.4°F-13.8°NCLIMGRID
1989Mar23.7°F30.7°F-7.0°NCLIMGRID
1989Apr40.9°F41.7°F-0.7°NCLIMGRID
1989May50.8°F51.9°F-1.1°NCLIMGRID
1989Jun60.7°F60.2°F+0.5°NCLIMGRID
1989Jul69.1°F66.2°F+2.9°NCLIMGRID
1989Aug63.4°F65.2°F-1.7°NCLIMGRID
1989Sep53.3°F54.4°F-1.1°NCLIMGRID
1989Oct43.8°F43.1°F+0.7°NCLIMGRID
1989Nov33.3°F28.8°F+4.4°NCLIMGRID
1989Dec18.9°F18.8°F+0.1°NCLIMGRID
1990Jan26.6°F14.8°F+11.8°NCLIMGRID
1990Feb24.1°F21.4°F+2.7°NCLIMGRID
1990Mar33.2°F30.7°F+2.5°NCLIMGRID
1990Apr41.6°F41.7°F+0.0°NCLIMGRID
1990May49.9°F51.9°F-2.0°NCLIMGRID
1990Jun60.0°F60.2°F-0.3°NCLIMGRID
1990Jul65.5°F66.2°F-0.7°NCLIMGRID
1990Aug67.7°F65.2°F+2.5°NCLIMGRID
1990Sep60.8°F54.4°F+6.4°NCLIMGRID
1990Oct43.8°F43.1°F+0.7°NCLIMGRID
1990Nov33.2°F28.8°F+4.3°NCLIMGRID
1990Dec14.9°F18.8°F-3.8°NCLIMGRID
1991Jan13.9°F14.8°F-0.9°NCLIMGRID
1991Feb36.7°F21.4°F+15.3°NCLIMGRID
1991Mar32.5°F30.7°F+1.8°NCLIMGRID
1991Apr43.1°F41.7°F+1.4°NCLIMGRID
1991May50.6°F51.9°F-1.2°NCLIMGRID
1991Jun58.2°F60.2°F-2.0°NCLIMGRID
1991Jul66.4°F66.2°F+0.2°NCLIMGRID
1991Aug69.4°F65.2°F+4.2°NCLIMGRID
1991Sep55.8°F54.4°F+1.4°NCLIMGRID
1991Oct39.1°F43.1°F-4.0°NCLIMGRID
1991Nov28.3°F28.8°F-0.5°NCLIMGRID
1991Dec28.7°F18.8°F+10.0°NCLIMGRID
1992Jan31.9°F14.8°F+17.2°NCLIMGRID
1992Feb30.8°F21.4°F+9.4°NCLIMGRID
1992Mar39.4°F30.7°F+8.7°NCLIMGRID
1992Apr45.6°F41.7°F+3.9°NCLIMGRID
1992May53.7°F51.9°F+1.9°NCLIMGRID
1992Jun62.7°F60.2°F+2.4°NCLIMGRID
1992Jul59.6°F66.2°F-6.6°NCLIMGRID
1992Aug61.0°F65.2°F-4.1°NCLIMGRID
1992Sep52.8°F54.4°F-1.7°NCLIMGRID
1992Oct44.9°F43.1°F+1.9°NCLIMGRID
1992Nov32.2°F28.8°F+3.3°NCLIMGRID
1992Dec15.5°F18.8°F-3.3°NCLIMGRID
1993Jan8.1°F14.8°F-6.6°NCLIMGRID
1993Feb14.0°F21.4°F-7.3°NCLIMGRID
1993Mar34.8°F30.7°F+4.1°NCLIMGRID
1993Apr43.1°F41.7°F+1.4°NCLIMGRID
1993May54.1°F51.9°F+2.2°NCLIMGRID
1993Jun56.9°F60.2°F-3.4°NCLIMGRID
1993Jul57.7°F66.2°F-8.5°NCLIMGRID
1993Aug60.2°F65.2°F-4.9°NCLIMGRID
1993Sep51.9°F54.4°F-2.5°NCLIMGRID
1993Oct44.0°F43.1°F+1.0°NCLIMGRID
1993Nov26.2°F28.8°F-2.6°NCLIMGRID
1993Dec28.7°F18.8°F+10.0°NCLIMGRID
1994Jan15.0°F14.8°F+0.3°NCLIMGRID
1994Feb9.7°F21.4°F-11.6°NCLIMGRID
1994Mar37.3°F30.7°F+6.5°NCLIMGRID
1994Apr43.8°F41.7°F+2.1°NCLIMGRID
1994May54.8°F51.9°F+2.9°NCLIMGRID
1994Jun59.5°F60.2°F-0.7°NCLIMGRID
1994Jul67.0°F66.2°F+0.8°NCLIMGRID
1994Aug66.4°F65.2°F+1.2°NCLIMGRID
1994Sep58.9°F54.4°F+4.5°NCLIMGRID
1994Oct43.2°F43.1°F+0.2°NCLIMGRID
1994Nov28.9°F28.8°F+0.1°NCLIMGRID
1994Dec24.7°F18.8°F+5.9°NCLIMGRID
1995Jan18.7°F14.8°F+4.0°NCLIMGRID
1995Feb26.0°F21.4°F+4.7°NCLIMGRID
1995Mar28.7°F30.7°F-2.0°NCLIMGRID
1995Apr38.5°F41.7°F-3.2°NCLIMGRID
1995May50.3°F51.9°F-1.6°NCLIMGRID
1995Jun58.5°F60.2°F-1.8°NCLIMGRID
1995Jul63.4°F66.2°F-2.8°NCLIMGRID
1995Aug63.1°F65.2°F-2.0°NCLIMGRID
1995Sep53.8°F54.4°F-0.6°NCLIMGRID
1995Oct42.2°F43.1°F-0.9°NCLIMGRID
1995Nov29.8°F28.8°F+0.9°NCLIMGRID
1995Dec16.9°F18.8°F-1.9°NCLIMGRID
1996Jan6.1°F14.8°F-8.7°NCLIMGRID
1996Feb24.0°F21.4°F+2.6°NCLIMGRID
1996Mar22.0°F30.7°F-8.8°NCLIMGRID
1996Apr43.8°F41.7°F+2.1°NCLIMGRID
1996May47.3°F51.9°F-4.6°NCLIMGRID
1996Jun60.8°F60.2°F+0.6°NCLIMGRID
1996Jul65.2°F66.2°F-1.0°NCLIMGRID
1996Aug67.0°F65.2°F+1.8°NCLIMGRID
1996Sep52.6°F54.4°F-1.8°NCLIMGRID
1996Oct41.8°F43.1°F-1.2°NCLIMGRID
1996Nov17.9°F28.8°F-10.9°NCLIMGRID
1996Dec11.3°F18.8°F-7.5°NCLIMGRID
1997Jan11.1°F14.8°F-3.7°NCLIMGRID
1997Feb27.4°F21.4°F+6.0°NCLIMGRID
1997Mar31.2°F30.7°F+0.5°NCLIMGRID
1997Apr36.5°F41.7°F-5.2°NCLIMGRID
1997May52.1°F51.9°F+0.2°NCLIMGRID
1997Jun61.6°F60.2°F+1.4°NCLIMGRID
1997Jul64.9°F66.2°F-1.3°NCLIMGRID
1997Aug66.2°F65.2°F+1.0°NCLIMGRID
1997Sep58.2°F54.4°F+3.7°NCLIMGRID
1997Oct43.9°F43.1°F+0.8°NCLIMGRID
1997Nov29.9°F28.8°F+1.0°NCLIMGRID
1997Dec26.8°F18.8°F+8.1°NCLIMGRID
1998Jan16.7°F14.8°F+1.9°NCLIMGRID
1998Feb29.9°F21.4°F+8.6°NCLIMGRID
1998Mar29.4°F30.7°F-1.3°NCLIMGRID
1998Apr45.7°F41.7°F+4.0°NCLIMGRID
1998May54.1°F51.9°F+2.2°NCLIMGRID
1998Jun56.3°F60.2°F-3.9°NCLIMGRID
1998Jul70.1°F66.2°F+3.9°NCLIMGRID
1998Aug68.9°F65.2°F+3.7°NCLIMGRID
1998Sep61.2°F54.4°F+6.7°NCLIMGRID
1998Oct44.3°F43.1°F+1.2°NCLIMGRID
1998Nov32.9°F28.8°F+4.0°NCLIMGRID
1998Dec21.0°F18.8°F+2.3°NCLIMGRID
1999Jan20.4°F14.8°F+5.7°NCLIMGRID
1999Feb31.7°F21.4°F+10.3°NCLIMGRID
1999Mar36.5°F30.7°F+5.8°NCLIMGRID
1999Apr40.9°F41.7°F-0.7°NCLIMGRID
1999May49.7°F51.9°F-2.2°NCLIMGRID
1999Jun58.4°F60.2°F-1.9°NCLIMGRID
1999Jul63.5°F66.2°F-2.7°NCLIMGRID
1999Aug67.1°F65.2°F+1.9°NCLIMGRID
1999Sep51.1°F54.4°F-3.3°NCLIMGRID
1999Oct44.8°F43.1°F+1.8°NCLIMGRID
1999Nov39.3°F28.8°F+10.5°NCLIMGRID
1999Dec31.7°F18.8°F+12.9°NCLIMGRID
2000Jan19.3°F14.8°F+4.5°NCLIMGRID
2000Feb25.2°F21.4°F+3.9°NCLIMGRID
2000Mar35.0°F30.7°F+4.2°NCLIMGRID
2000Apr43.7°F41.7°F+2.0°NCLIMGRID
2000May52.6°F51.9°F+0.8°NCLIMGRID
2000Jun58.5°F60.2°F-1.7°NCLIMGRID
2000Jul69.3°F66.2°F+3.1°NCLIMGRID
2000Aug66.8°F65.2°F+1.6°NCLIMGRID
2000Sep54.8°F54.4°F+0.4°NCLIMGRID
2000Oct42.7°F43.1°F-0.4°NCLIMGRID
2000Nov24.4°F28.8°F-4.5°NCLIMGRID
2000Dec14.1°F18.8°F-4.7°NCLIMGRID
2001Jan25.1°F14.8°F+10.3°NCLIMGRID
2001Feb13.0°F21.4°F-8.3°NCLIMGRID
2001Mar33.6°F30.7°F+2.9°NCLIMGRID
2001Apr41.8°F41.7°F+0.2°NCLIMGRID
2001May55.3°F51.9°F+3.4°NCLIMGRID
2001Jun60.1°F60.2°F-0.1°NCLIMGRID
2001Jul69.0°F66.2°F+2.8°NCLIMGRID
2001Aug69.6°F65.2°F+4.4°NCLIMGRID
2001Sep59.0°F54.4°F+4.5°NCLIMGRID
2001Oct42.8°F43.1°F-0.2°NCLIMGRID
2001Nov37.9°F28.8°F+9.0°NCLIMGRID
2001Dec22.0°F18.8°F+3.2°NCLIMGRID
2002Jan22.6°F14.8°F+7.8°NCLIMGRID
2002Feb28.5°F21.4°F+7.2°NCLIMGRID
2002Mar13.5°F30.7°F-17.2°NCLIMGRID
2002Apr37.4°F41.7°F-4.3°NCLIMGRID
2002May48.2°F51.9°F-3.7°NCLIMGRID
2002Jun59.5°F60.2°F-0.7°NCLIMGRID
2002Jul69.2°F66.2°F+3.0°NCLIMGRID
2002Aug61.0°F65.2°F-4.2°NCLIMGRID
2002Sep55.1°F54.4°F+0.6°NCLIMGRID
2002Oct35.9°F43.1°F-7.2°NCLIMGRID
2002Nov34.9°F28.8°F+6.1°NCLIMGRID
2002Dec27.7°F18.8°F+8.9°NCLIMGRID
2003Jan22.5°F14.8°F+7.7°NCLIMGRID
2003Feb20.8°F21.4°F-0.6°NCLIMGRID
2003Mar28.0°F30.7°F-2.7°NCLIMGRID
2003Apr46.0°F41.7°F+4.3°NCLIMGRID
2003May50.8°F51.9°F-1.1°NCLIMGRID
2003Jun60.3°F60.2°F+0.0°NCLIMGRID
2003Jul70.1°F66.2°F+3.9°NCLIMGRID
2003Aug71.3°F65.2°F+6.1°NCLIMGRID
2003Sep54.3°F54.4°F-0.1°NCLIMGRID
2003Oct48.1°F43.1°F+5.0°NCLIMGRID
2003Nov23.1°F28.8°F-5.8°NCLIMGRID
2003Dec26.1°F18.8°F+7.3°NCLIMGRID
2004Jan13.9°F14.8°F-0.8°NCLIMGRID
2004Feb22.7°F21.4°F+1.3°NCLIMGRID
2004Mar37.5°F30.7°F+6.8°NCLIMGRID
2004Apr45.2°F41.7°F+3.6°NCLIMGRID
2004May47.9°F51.9°F-4.0°NCLIMGRID
2004Jun56.2°F60.2°F-4.0°NCLIMGRID
2004Jul67.0°F66.2°F+0.8°NCLIMGRID
2004Aug62.9°F65.2°F-2.3°NCLIMGRID
2004Sep53.8°F54.4°F-0.6°NCLIMGRID
2004Oct42.1°F43.1°F-1.0°NCLIMGRID
2004Nov34.1°F28.8°F+5.3°NCLIMGRID
2004Dec27.3°F18.8°F+8.5°NCLIMGRID
2005Jan15.7°F14.8°F+0.9°NCLIMGRID
2005Feb28.4°F21.4°F+7.1°NCLIMGRID
2005Mar34.0°F30.7°F+3.2°NCLIMGRID
2005Apr44.2°F41.7°F+2.5°NCLIMGRID
2005May50.1°F51.9°F-1.7°NCLIMGRID
2005Jun59.0°F60.2°F-1.2°NCLIMGRID
2005Jul68.3°F66.2°F+2.1°NCLIMGRID
2005Aug63.6°F65.2°F-1.5°NCLIMGRID
2005Sep54.8°F54.4°F+0.3°NCLIMGRID
2005Oct46.0°F43.1°F+2.9°NCLIMGRID
2005Nov35.5°F28.8°F+6.6°NCLIMGRID
2005Dec19.5°F18.8°F+0.7°NCLIMGRID
2006Jan33.7°F14.8°F+18.9°NCLIMGRID
2006Feb23.3°F21.4°F+2.0°NCLIMGRID
2006Mar29.7°F30.7°F-1.1°NCLIMGRID
2006Apr46.1°F41.7°F+4.4°NCLIMGRID
2006May54.4°F51.9°F+2.6°NCLIMGRID
2006Jun62.5°F60.2°F+2.3°NCLIMGRID
2006Jul72.3°F66.2°F+6.1°NCLIMGRID
2006Aug66.0°F65.2°F+0.8°NCLIMGRID
2006Sep55.5°F54.4°F+1.0°NCLIMGRID
2006Oct40.0°F43.1°F-3.1°NCLIMGRID
2006Nov28.9°F28.8°F+0.0°NCLIMGRID
2006Dec26.5°F18.8°F+7.7°NCLIMGRID
2007Jan22.6°F14.8°F+7.9°NCLIMGRID
2007Feb19.0°F21.4°F-2.4°NCLIMGRID
2007Mar39.3°F30.7°F+8.6°NCLIMGRID
2007Apr40.3°F41.7°F-1.4°NCLIMGRID
2007May53.3°F51.9°F+1.5°NCLIMGRID
2007Jun61.4°F60.2°F+1.2°NCLIMGRID
2007Jul74.3°F66.2°F+8.1°NCLIMGRID
2007Aug65.8°F65.2°F+0.6°NCLIMGRID
2007Sep54.4°F54.4°F+0.0°NCLIMGRID
2007Oct46.3°F43.1°F+3.3°NCLIMGRID
2007Nov31.7°F28.8°F+2.8°NCLIMGRID
2007Dec21.3°F18.8°F+2.6°NCLIMGRID
2008Jan18.9°F14.8°F+4.1°NCLIMGRID
2008Feb22.8°F21.4°F+1.4°NCLIMGRID
2008Mar31.9°F30.7°F+1.2°NCLIMGRID
2008Apr38.0°F41.7°F-3.7°NCLIMGRID
2008May50.8°F51.9°F-1.0°NCLIMGRID
2008Jun57.3°F60.2°F-2.9°NCLIMGRID
2008Jul66.4°F66.2°F+0.2°NCLIMGRID
2008Aug65.8°F65.2°F+0.6°NCLIMGRID
2008Sep53.2°F54.4°F-1.2°NCLIMGRID
2008Oct44.1°F43.1°F+1.0°NCLIMGRID
2008Nov36.1°F28.8°F+7.3°NCLIMGRID
2008Dec11.5°F18.8°F-7.3°NCLIMGRID
2009Jan18.1°F14.8°F+3.3°NCLIMGRID
2009Feb21.7°F21.4°F+0.3°NCLIMGRID
2009Mar26.9°F30.7°F-3.8°NCLIMGRID
2009Apr41.2°F41.7°F-0.4°NCLIMGRID
2009May51.4°F51.9°F-0.5°NCLIMGRID
2009Jun57.2°F60.2°F-3.0°NCLIMGRID
2009Jul65.6°F66.2°F-0.6°NCLIMGRID
2009Aug64.1°F65.2°F-1.1°NCLIMGRID
2009Sep61.4°F54.4°F+7.0°NCLIMGRID
2009Oct37.4°F43.1°F-5.6°NCLIMGRID
2009Nov37.5°F28.8°F+8.7°NCLIMGRID
2009Dec7.9°F18.8°F-10.9°NCLIMGRID
2010Jan16.5°F14.8°F+1.7°NCLIMGRID
2010Feb16.0°F21.4°F-5.3°NCLIMGRID
2010Mar34.1°F30.7°F+3.4°NCLIMGRID
2010Apr42.7°F41.7°F+1.0°NCLIMGRID
2010May47.5°F51.9°F-4.3°NCLIMGRID
2010Jun58.1°F60.2°F-2.1°NCLIMGRID
2010Jul64.3°F66.2°F-1.9°NCLIMGRID
2010Aug63.8°F65.2°F-1.4°NCLIMGRID
2010Sep54.0°F54.4°F-0.4°NCLIMGRID
2010Oct47.2°F43.1°F+4.2°NCLIMGRID
2010Nov25.6°F28.8°F-3.3°NCLIMGRID
2010Dec14.6°F18.8°F-4.2°NCLIMGRID
2011Jan15.8°F14.8°F+1.0°NCLIMGRID
2011Feb14.2°F21.4°F-7.2°NCLIMGRID
2011Mar25.6°F30.7°F-5.2°NCLIMGRID
2011Apr39.6°F41.7°F-2.1°NCLIMGRID
2011May49.0°F51.9°F-2.9°NCLIMGRID
2011Jun57.0°F60.2°F-3.2°NCLIMGRID
2011Jul66.8°F66.2°F+0.6°NCLIMGRID
2011Aug67.6°F65.2°F+2.5°NCLIMGRID
2011Sep58.8°F54.4°F+4.3°NCLIMGRID
2011Oct45.6°F43.1°F+2.6°NCLIMGRID
2011Nov31.5°F28.8°F+2.7°NCLIMGRID
2011Dec29.6°F18.8°F+10.8°NCLIMGRID
2012Jan24.6°F14.8°F+9.9°NCLIMGRID
2012Feb25.0°F21.4°F+3.6°NCLIMGRID
2012Mar39.0°F30.7°F+8.3°NCLIMGRID
2012Apr45.3°F41.7°F+3.6°NCLIMGRID
2012May49.9°F51.9°F-2.0°NCLIMGRID
2012Jun60.5°F60.2°F+0.3°NCLIMGRID
2012Jul70.8°F66.2°F+4.6°NCLIMGRID
2012Aug66.7°F65.2°F+1.6°NCLIMGRID
2012Sep57.3°F54.4°F+2.9°NCLIMGRID
2012Oct41.0°F43.1°F-2.1°NCLIMGRID
2012Nov30.5°F28.8°F+1.6°NCLIMGRID
2012Dec20.6°F18.8°F+1.8°NCLIMGRID
2013Jan21.0°F14.8°F+6.2°NCLIMGRID
2013Feb26.3°F21.4°F+5.0°NCLIMGRID
2013Mar29.5°F30.7°F-1.2°NCLIMGRID
2013Apr38.3°F41.7°F-3.4°NCLIMGRID
2013May53.1°F51.9°F+1.3°NCLIMGRID
2013Jun60.4°F60.2°F+0.2°NCLIMGRID
2013Jul66.7°F66.2°F+0.5°NCLIMGRID
2013Aug67.5°F65.2°F+2.3°NCLIMGRID
2013Sep59.6°F54.4°F+5.2°NCLIMGRID
2013Oct41.3°F43.1°F-1.8°NCLIMGRID
2013Nov27.8°F28.8°F-1.0°NCLIMGRID
2013Dec13.8°F18.8°F-5.0°NCLIMGRID
2014Jan23.7°F14.8°F+8.9°NCLIMGRID
2014Feb11.9°F21.4°F-9.5°NCLIMGRID
2014Mar26.4°F30.7°F-4.3°NCLIMGRID
2014Apr42.5°F41.7°F+0.9°NCLIMGRID
2014May51.3°F51.9°F-0.6°NCLIMGRID
2014Jun56.7°F60.2°F-3.5°NCLIMGRID
2014Jul68.6°F66.2°F+2.4°NCLIMGRID
2014Aug66.1°F65.2°F+0.9°NCLIMGRID
2014Sep55.3°F54.4°F+0.9°NCLIMGRID
2014Oct49.0°F43.1°F+5.9°NCLIMGRID
2014Nov23.8°F28.8°F-5.0°NCLIMGRID
2014Dec25.1°F18.8°F+6.3°NCLIMGRID
2015Jan22.6°F14.8°F+7.9°NCLIMGRID
2015Feb24.5°F21.4°F+3.1°NCLIMGRID
2015Mar39.7°F30.7°F+9.0°NCLIMGRID
2015Apr43.4°F41.7°F+1.7°NCLIMGRID
2015May50.2°F51.9°F-1.6°NCLIMGRID
2015Jun64.0°F60.2°F+3.8°NCLIMGRID
2015Jul66.8°F66.2°F+0.6°NCLIMGRID
2015Aug66.2°F65.2°F+1.0°NCLIMGRID
2015Sep55.3°F54.4°F+0.9°NCLIMGRID
2015Oct46.6°F43.1°F+3.5°NCLIMGRID
2015Nov31.1°F28.8°F+2.3°NCLIMGRID
2015Dec23.5°F18.8°F+4.8°NCLIMGRID
2016Jan22.0°F14.8°F+7.3°NCLIMGRID
2016Feb34.2°F21.4°F+12.9°NCLIMGRID
2016Mar38.0°F30.7°F+7.2°NCLIMGRID
2016Apr45.5°F41.7°F+3.8°NCLIMGRID
2016May50.8°F51.9°F-1.1°NCLIMGRID
2016Jun61.8°F60.2°F+1.5°NCLIMGRID
2016Jul65.9°F66.2°F-0.3°NCLIMGRID
2016Aug64.6°F65.2°F-0.5°NCLIMGRID
2016Sep54.3°F54.4°F-0.2°NCLIMGRID
2016Oct42.7°F43.1°F-0.4°NCLIMGRID
2016Nov40.3°F28.8°F+11.4°NCLIMGRID
2016Dec12.6°F18.8°F-6.2°NCLIMGRID
2017Jan14.7°F14.8°F+0.0°NCLIMGRID
2017Feb24.3°F21.4°F+3.0°NCLIMGRID
2017Mar34.4°F30.7°F+3.6°NCLIMGRID
2017Apr43.9°F41.7°F+2.2°NCLIMGRID
2017May53.5°F51.9°F+1.7°NCLIMGRID
2017Jun61.5°F60.2°F+1.3°NCLIMGRID
2017Jul71.8°F66.2°F+5.6°NCLIMGRID
2017Aug65.5°F65.2°F+0.3°NCLIMGRID
2017Sep55.9°F54.4°F+1.4°NCLIMGRID
2017Oct41.7°F43.1°F-1.3°NCLIMGRID
2017Nov29.0°F28.8°F+0.2°NCLIMGRID
2017Dec20.3°F18.8°F+1.5°NCLIMGRID
2018Jan19.6°F14.8°F+4.8°NCLIMGRID
2018Feb4.4°F21.4°F-16.9°NCLIMGRID
2018Mar22.8°F30.7°F-8.0°NCLIMGRID
2018Apr36.8°F41.7°F-4.9°NCLIMGRID
2018May57.0°F51.9°F+5.2°NCLIMGRID
2018Jun60.6°F60.2°F+0.4°NCLIMGRID
2018Jul66.8°F66.2°F+0.6°NCLIMGRID
2018Aug64.5°F65.2°F-0.7°NCLIMGRID
2018Sep51.9°F54.4°F-2.5°NCLIMGRID
2018Oct41.7°F43.1°F-1.4°NCLIMGRID
2018Nov30.6°F28.8°F+1.7°NCLIMGRID
2018Dec26.5°F18.8°F+7.7°NCLIMGRID
2019Jan25.3°F14.8°F+10.5°NCLIMGRID
2019Feb-3.3°F21.4°F-24.6°NCLIMGRID
2019Mar22.8°F30.7°F-7.9°NCLIMGRID
2019Apr42.9°F41.7°F+1.2°NCLIMGRID
2019May48.6°F51.9°F-3.2°NCLIMGRID
2019Jun59.3°F60.2°F-0.9°NCLIMGRID
2019Jul65.6°F66.2°F-0.6°NCLIMGRID
2019Aug65.0°F65.2°F-0.1°NCLIMGRID
2019Sep55.1°F54.4°F+0.7°NCLIMGRID
2019Oct35.6°F43.1°F-7.5°NCLIMGRID
2019Nov28.0°F28.8°F-0.9°NCLIMGRID
2019Dec25.8°F18.8°F+7.1°NCLIMGRID
2020Jan20.5°F14.8°F+5.8°NCLIMGRID
2020Feb27.4°F21.4°F+6.1°NCLIMGRID
2020Mar29.3°F30.7°F-1.5°NCLIMGRID
2020Apr37.5°F41.7°F-4.2°NCLIMGRID
2020May52.0°F51.9°F+0.2°NCLIMGRID
2020Jun60.8°F60.2°F+0.6°NCLIMGRID
2020Jul65.9°F66.2°F-0.3°NCLIMGRID
2020Aug67.8°F65.2°F+2.6°NCLIMGRID
2020Sep56.6°F54.4°F+2.1°NCLIMGRID
2020Oct38.6°F43.1°F-4.5°NCLIMGRID
2020Nov33.6°F28.8°F+4.8°NCLIMGRID
2020Dec29.8°F18.8°F+11.0°NCLIMGRID
2021Jan27.5°F14.8°F+12.8°NCLIMGRID
2021Feb9.5°F21.4°F-11.8°NCLIMGRID
2021Mar36.9°F30.7°F+6.1°NCLIMGRID
2021Apr41.7°F41.7°F+0.0°NCLIMGRID
2021May48.7°F51.9°F-3.2°NCLIMGRID
2021Jun65.3°F60.2°F+5.0°NCLIMGRID
2021Jul73.0°F66.2°F+6.8°NCLIMGRID
2021Aug65.2°F65.2°F+0.0°NCLIMGRID
2021Sep58.7°F54.4°F+4.3°NCLIMGRID
2021Oct46.0°F43.1°F+3.0°NCLIMGRID
2021Nov36.2°F28.8°F+7.3°NCLIMGRID
2021Dec14.5°F18.8°F-4.3°NCLIMGRID
2022Jan22.3°F14.8°F+7.6°NCLIMGRID
2022Feb22.5°F21.4°F+1.1°NCLIMGRID
2022Mar33.2°F30.7°F+2.4°NCLIMGRID
2022Apr35.8°F41.7°F-5.9°NCLIMGRID
2022May51.0°F51.9°F-0.8°NCLIMGRID
2022Jun59.3°F60.2°F-1.0°NCLIMGRID
2022Jul69.7°F66.2°F+3.5°NCLIMGRID
2022Aug71.1°F65.2°F+5.9°NCLIMGRID
2022Sep61.1°F54.4°F+6.6°NCLIMGRID
2022Oct48.3°F43.1°F+5.2°NCLIMGRID
2022Nov21.8°F28.8°F-7.0°NCLIMGRID
2022Dec8.9°F18.8°F-9.9°NCLIMGRID
2023Jan22.7°F14.8°F+7.9°NCLIMGRID
2023Feb23.7°F21.4°F+2.3°NCLIMGRID
2023Mar19.8°F30.7°F-10.9°NCLIMGRID
2023Apr40.5°F41.7°F-1.2°NCLIMGRID
2023May58.1°F51.9°F+6.2°NCLIMGRID
2023Jun61.7°F60.2°F+1.5°NCLIMGRID
2023Jul68.1°F66.2°F+1.9°NCLIMGRID
2023Aug67.6°F65.2°F+2.4°NCLIMGRID
2023Sep59.2°F54.4°F+4.7°NCLIMGRID
2023Oct41.7°F43.1°F-1.4°NCLIMGRID
2023Nov35.9°F28.8°F+7.1°NCLIMGRID
2023Dec33.3°F18.8°F+14.6°NCLIMGRID
2024Jan14.6°F14.8°F-0.2°NCLIMGRID
2024Feb25.1°F21.4°F+3.7°NCLIMGRID
2024Mar28.3°F30.7°F-2.5°NCLIMGRID
2024Apr44.2°F41.7°F+2.5°NCLIMGRID
2024May50.2°F51.9°F-1.7°NCLIMGRID
2024Jun58.6°F60.2°F-1.7°NCLIMGRID
2024Jul70.0°F66.2°F+3.8°NCLIMGRID
2024Aug66.8°F65.2°F+1.7°NCLIMGRID
2024Sep60.9°F54.4°F+6.5°NCLIMGRID
2024Oct48.0°F43.1°F+4.9°NCLIMGRID
2024Nov29.1°F28.8°F+0.2°NCLIMGRID
2024Dec27.7°F18.8°F+9.0°NCLIMGRID
2025Jan19.2°F14.8°F+4.4°NCLIMGRID
2025Feb8.0°F21.4°F-13.4°NCLIMGRID
2025Mar36.9°F30.7°F+6.1°NCLIMGRID
2025Apr42.4°F41.7°F+0.7°NCLIMGRID
2025May54.7°F51.9°F+2.9°NCLIMGRID
2025Jun59.9°F60.2°F-0.3°NCLIMGRID
2025Jul66.8°F66.2°F+0.6°NCLIMGRID
2025Aug66.2°F65.2°F+1.1°NCLIMGRID
2025Sep61.1°F54.4°F+6.6°NCLIMGRID
2025Oct44.8°F43.1°F+1.7°NCLIMGRID
2025Nov35.0°F28.8°F+6.2°NCLIMGRID
2025Dec26.1°F18.8°F+7.3°NCLIMGRID
2026Jan26.5°F14.8°F+11.7°NCLIMGRID
2026Feb30.3°F21.4°F+8.9°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
January14.8°F26/26
February21.4°F26/26
March30.7°F26/26
April41.7°F26/26
May51.9°F26/26
June60.2°F26/26
July66.2°F26/26
August65.2°F26/26
September54.4°F26/26
October43.1°F26/26
November28.8°F26/26
December18.8°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 Box Elder, Montana getting warmer?

Based on 96+ years of NOAA temperature records, Box Elder has warmed at a rate of approximately 0.27°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 Box Elder?

The warmest year on record in Box Elder was 1987, based on average annual temperature anomaly from NOAA station data.

Where does the temperature data for Box Elder 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 Box Elder's climate profile.

How are the climate visualizations for Box Elder created?

Three visualizations are generated from Box Elder'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 Box Elder's temperature data?

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

Wear Box Elder's Climate Story

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

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