All-time weather records — Harrold, SD

Record high
113.0°F
July 10, 1976
Record low
-44.0°F
February 9, 1994
Wettest day
4.14 in
June 25, 1969

Climate change signal in Harrold

5.7%

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

7.1%

of all-time daily cold records were set in the last decade (26 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 #
1960s
48
66
1970s
85
83
1980s
96
69
1990s
53
34
2000s
40
49
2010s
40
61
2020s
4
4

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 1963, the latest in 2021. Period of observation: 1963-2021.

Records by month

Month Hottest day Coldest day Wettest day
January 68.0°F — Jan 25, 1981 -40.0°F — Jan 29, 1966 0.64 in — Jan 16, 1985
February 73.9°F — Feb 13, 1987 -44.0°F — Feb 9, 1994 0.95 in — Feb 24, 1977
March 88.0°F — Mar 28, 1988 -29.9°F — Mar 2, 2014 2.51 in — Mar 27, 2004
April 96.1°F — Apr 23, 1990 -8.0°F — Apr 4, 2018 2.27 in — Apr 27, 1964
May 102.9°F — May 27, 1969 10.9°F — May 3, 2005 2.19 in — May 31, 1983
June 111.9°F — Jun 25, 1988 24.1°F — Jun 2, 1969 4.14 in — Jun 25, 1969
July 113.0°F — Jul 10, 1976 32.0°F — Jul 30, 1971 3.39 in — Jul 31, 2017
August 113.0°F — Aug 13, 1965 32.0°F — Aug 3, 1978 1.95 in — Aug 16, 2009
September 109.0°F — Sep 3, 1983 14.0°F — Sep 30, 1974 2.15 in — Sep 19, 1986
October 98.1°F — Oct 6, 1990 -2.0°F — Oct 30, 1991 1.93 in — Oct 9, 1982
November 82.9°F — Nov 1, 1990 -22.0°F — Nov 21, 1964 1.25 in — Nov 13, 1993
December 69.1°F — Dec 5, 1975 -38.0°F — Dec 30, 1990 0.76 in — Dec 29, 1972

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