All-time weather records — Moorcroft, WY

Record high
108.0°F
July 9, 1989
Record low
-45.9°F
December 22, 1990
Wettest day
4.20 in
May 22, 2007

Climate change signal in Moorcroft

5.7%

of Moorcroft's all-time daily heat records were set in the last decade (21 of 366 records since 2015).

2.5%

of all-time daily cold records were set in the last decade (9 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 #
1900s
49
35
1910s
35
33
1930s
30
15
1940s
8
8
1950s
45
34
1960s
19
42
1970s
12
23
1980s
63
41
1990s
52
51
2000s
24
73
2010s
8
2
2020s
21
9

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 1903, the latest in 2026. Period of observation: 1903-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 72.0°F — Jan 27, 1903 -36.9°F — Jan 24, 1949 0.60 in — Jan 5, 1949
February 68.0°F — Feb 22, 1982 -43.1°F — Feb 3, 1996 0.62 in — Feb 15, 1987
March 80.1°F — Mar 17, 1916 -26.0°F — Mar 7, 1996 0.95 in — Mar 26, 1950
April 90.0°F — Apr 27, 1910 -18.9°F — Apr 2, 1936 2.50 in — Apr 26, 1984
May 96.1°F — May 29, 1934 8.1°F — May 3, 1954 4.20 in — May 22, 2007
June 107.1°F — Jun 25, 1988 23.0°F — Jun 3, 2005 2.40 in — Jun 9, 1936
July 108.0°F — Jul 9, 1989 28.9°F — Jul 1, 2005 2.30 in — Jul 25, 1982
August 108.0°F — Aug 14, 1911 26.1°F — Aug 17, 2004 3.80 in — Aug 18, 1993
September 100.9°F — Sep 6, 1978 17.1°F — Sep 18, 1991 3.00 in — Sep 25, 1910
October 96.1°F — Oct 1, 1906 -17.0°F — Oct 30, 1991 1.90 in — Oct 4, 1995
November 77.0°F — Nov 8, 2006 -26.0°F — Nov 16, 1959 4.20 in — Nov 23, 2002
December 66.0°F — Dec 1, 1995 -45.9°F — Dec 22, 1990 1.50 in — Dec 23, 1911

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