All-time weather records — Basin, WY

Record high
115.0°F
August 8, 1983
Record low
-51.0°F
February 5, 1899
Wettest day
2.23 in
June 29, 1909

Climate change signal in Basin

15.6%

of Basin's all-time daily heat records were set in the last decade (57 of 366 records since 2015).

1.9%

of all-time daily cold records were set in the last decade (7 of 366 records since 2015).

If records were spread evenly across the station's history, you'd expect roughly 5% per decade. Decade-by-decade, here's where each record-breaking day was set:

Decade Heat records set # Cold records set #
1890s
3
14
1900s
34
47
1910s
23
42
1920s
33
35
1930s
53
34
1940s
7
7
1950s
36
34
1960s
15
19
1970s
22
50
1980s
38
42
1990s
16
20
2000s
20
8
2010s
28
9
2020s
38
5

Records are the all-time daily extremes that are still standing — each daily record can only be held by one year. The station's earliest hot record was set in 1899, the latest in 2026. Period of observation: 1898-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 64.0°F — Jan 31, 1931 -43.1°F — Jan 30, 1951 1.00 in — Jan 9, 1920
February 73.0°F — Feb 21, 1982 -51.0°F — Feb 5, 1899 0.90 in — Feb 7, 1899
March 86.0°F — Mar 21, 2026 -42.0°F — Mar 16, 1906 1.80 in — Mar 28, 1924
April 90.0°F — Apr 29, 1939 -4.0°F — Apr 3, 1936 1.84 in — Apr 16, 1927
May 99.0°F — May 27, 1937 18.0°F — May 1, 1954 2.00 in — May 7, 1988
June 109.9°F — Jun 30, 1981 30.0°F — Jun 3, 1951 2.23 in — Jun 29, 1909
July 111.9°F — Jul 12, 1900 36.0°F — Jul 31, 1913 0.95 in — Jul 21, 1990
August 115.0°F — Aug 8, 1983 27.0°F — Aug 4, 1956 1.43 in — Aug 11, 1930
September 102.0°F — Sep 3, 1950 14.0°F — Sep 25, 1926 1.40 in — Sep 15, 1994
October 91.0°F — Oct 1, 2011 -7.1°F — Oct 26, 2020 2.00 in — Oct 23, 1925
November 77.0°F — Nov 1, 1999 -27.9°F — Nov 16, 1959 0.70 in — Nov 23, 2002
December 66.9°F — Dec 2, 1995 -43.1°F — Dec 31, 1978 1.45 in — Dec 15, 1989

Click a month to see every daily record for that month in Basin.