All-time weather records — Greybull, WY

Record high
109.0°F
June 30, 2010
Record low
-40.0°F
December 22, 1990
Wettest day
2.75 in
May 7, 1988

Climate change signal in Greybull

14.8%

of Greybull's all-time daily heat records were set in the last decade (54 of 366 records since 2015).

11.5%

of all-time daily cold records were set in the last decade (42 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 #
1950s
·
·
1960s
·
·
1970s
3
3
1980s
55
42
1990s
103
138
2000s
94
93
2010s
111
90

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 1976, the latest in 2019. Period of observation: 1951-2019.

Records by month

Month Hottest day Coldest day Wettest day
January 55.0°F — Jan 2, 1998 -36.0°F — Jan 12, 1997 1.10 in — Jan 3, 1996
February 66.0°F — Mar 1, 1992 -38.9°F — Feb 2, 1996 1.50 in — Feb 11, 1984
March 81.0°F — Mar 24, 2012 -23.1°F — Mar 4, 2019 1.50 in — Mar 26, 1975
April 90.0°F — Apr 24, 2012 6.1°F — Apr 12, 1997 1.17 in — Apr 16, 1959
May 96.1°F — May 29, 2003 19.0°F — May 9, 2002 2.75 in — May 7, 1988
June 109.0°F — Jun 30, 2010 33.1°F — Jun 3, 1990 1.80 in — Jun 23, 1976
July 109.0°F — Jul 17, 2010 39.0°F — Jul 7, 2010 1.05 in — Jul 3, 1993
August 107.1°F — Aug 12, 2018 33.1°F — Aug 23, 2015 0.82 in — Aug 29, 1964
September 99.0°F — Sep 1, 2016 24.1°F — Sep 27, 1996 1.56 in — Sep 20, 2004
October 91.9°F — Oct 2, 2011 -4.0°F — Oct 30, 1991 1.85 in — Oct 7, 2011
November 73.9°F — Nov 1, 1988 -23.1°F — Nov 16, 2014 1.70 in — Nov 23, 2002
December 69.1°F — Dec 1, 1995 -40.0°F — Dec 22, 1990 1.50 in — Dec 11, 1975

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