All-time weather records — Herreid, SD
Climate change signal in Herreid
of Herreid's all-time daily heat records were set in the last decade (28 of 366 records since 2015).
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 | 3 | 8 | ||
| 1910s | 42 | 85 | ||
| 1920s | 39 | 70 | ||
| 1930s | 84 | 46 | ||
| 1940s | 23 | 40 | ||
| 1950s | 31 | 39 | ||
| 1960s | 22 | 16 | ||
| 1970s | 21 | 10 | ||
| 1980s | 16 | 12 | ||
| 1990s | 24 | 16 | ||
| 2000s | 22 | 9 | ||
| 2010s | 20 | 10 | ||
| 2020s | 19 | 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 1908, the latest in 2026. Period of observation: 1908-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 63.0°F — Jan 8, 1958 | -50.1°F — Jan 12, 1912 | 0.98 in — Jan 4, 1997 |
| February | 71.1°F — Feb 25, 1958 | -51.0°F — Feb 16, 1936 | 1.03 in — Feb 9, 2009 |
| March | 86.0°F — Mar 22, 1910 | -33.0°F — Mar 5, 1919 | 1.59 in — Mar 14, 1973 |
| April | 98.1°F — Apr 19, 1910 | -6.0°F — Apr 4, 2018 | 2.90 in — Apr 28, 1989 |
| May | 108.0°F — May 28, 1934 | 5.0°F — May 1, 1909 | 2.32 in — May 13, 1958 |
| June | 109.0°F — Jun 29, 1931 | 27.0°F — Jun 1, 1917 | 5.10 in — Jun 30, 1909 |
| July | 118.0°F — Jul 20, 1934 | 30.0°F — Jul 2, 1945 | 3.30 in — Jul 14, 1981 |
| August | 109.9°F — Aug 5, 1941 | 28.0°F — Aug 28, 1935 | 3.60 in — Aug 2, 1998 |
| September | 107.1°F — Sep 9, 1931 | 12.0°F — Sep 25, 1926 | 2.95 in — Sep 7, 1970 |
| October | 95.0°F — Oct 2, 1997 | -17.0°F — Oct 28, 1919 | 2.69 in — Oct 16, 1980 |
| November | 79.0°F — Nov 4, 1975 | -27.0°F — Nov 28, 1985 | 1.40 in — Nov 14, 1928 |
| December | 68.0°F — Dec 1, 2021 | -45.0°F — Dec 13, 1917 | 2.00 in — Dec 1, 1909 |
Click a month to see every daily record for that month in Herreid.