All-time weather records — Ortley, SD

Record high
102.9°F
June 24, 1988
Record low
-40.0°F
February 9, 1994
Wettest day
5.61 in
June 29, 1971

Climate change signal in Ortley

18%

of Ortley's all-time daily heat records were set in the last decade (66 of 366 records since 2015).

7.4%

of all-time daily cold records were set in the last decade (27 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
16
19
1960s
47
55
1970s
45
70
1980s
74
79
1990s
46
66
2000s
42
33
2010s
50
32
2020s
46
12

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 1956, the latest in 2026. Period of observation: 1956-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 64.0°F — Jan 24, 1981 -38.0°F — Jan 30, 2019 0.72 in — Jan 30, 2001
February 62.1°F — Feb 22, 2000 -40.0°F — Feb 9, 1994 1.35 in — Feb 10, 2013
March 81.0°F — Mar 18, 2012 -26.0°F — Mar 1, 1962 2.75 in — Mar 12, 1977
April 93.9°F — Apr 21, 1980 -7.1°F — Apr 4, 2018 2.45 in — Apr 12, 1991
May 95.0°F — May 1, 1959 15.1°F — May 3, 2005 3.25 in — May 24, 1973
June 102.9°F — Jun 24, 1988 30.0°F — Jun 4, 1964 5.61 in — Jun 29, 1971
July 102.9°F — Jul 10, 1966 37.9°F — Jul 3, 1967 3.65 in — Jul 13, 1982
August 102.0°F — Aug 13, 1965 26.1°F — Aug 30, 1990 3.98 in — Aug 6, 2022
September 97.0°F — Sep 3, 2023 15.1°F — Sep 30, 1974 4.02 in — Sep 20, 2007
October 90.0°F — Oct 1, 2023 3.9°F — Oct 26, 2020 2.20 in — Oct 13, 2023
November 75.9°F — Nov 4, 2020 -25.1°F — Nov 29, 1985 1.87 in — Nov 1, 2000
December 64.0°F — Dec 7, 2023 -34.1°F — Dec 23, 1983 1.14 in — Dec 26, 2023

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