All-time weather records — Henry, SD
Climate change signal in Henry
of Henry's all-time daily heat records were set in the last decade (0 of 366 records since 2015).
of all-time daily cold records were set in the last decade (0 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 | # |
|---|---|---|---|---|
| 1890s | 15 | 11 | ||
| 1900s | 34 | 57 | ||
| 1910s | 22 | 62 | ||
| 1920s | 40 | 51 | ||
| 1930s | 106 | 45 | ||
| 1940s | 22 | 33 | ||
| 1950s | 32 | 32 | ||
| 1960s | 13 | 29 | ||
| 1970s | 15 | 19 | ||
| 1980s | 31 | 12 | ||
| 1990s | 14 | 12 | ||
| 2000s | 15 | 3 | ||
| 2010s | 7 | · |
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 1894, the latest in 2012. Period of observation: 1893-2012.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 66.0°F — Jan 24, 1981 | -42.0°F — Jan 12, 1912 | 1.12 in — Jan 21, 1917 |
| February | 66.9°F — Feb 23, 1958 | -40.0°F — Feb 2, 1905 | 2.00 in — Feb 5, 1946 |
| March | 84.9°F — Mar 30, 1943 | -27.0°F — Mar 2, 1913 | 2.05 in — Mar 31, 2006 |
| April | 95.0°F — Apr 21, 1980 | -8.0°F — Apr 3, 1975 | 2.78 in — Apr 13, 1912 |
| May | 107.1°F — May 30, 1934 | 16.0°F — May 3, 1907 | 4.47 in — May 5, 2007 |
| June | 108.0°F — Jun 26, 1933 | 28.0°F — Jun 2, 1951 | 3.75 in — Jun 15, 1977 |
| July | 109.9°F — Jul 17, 1936 | -62.0°F — Jul 31, 1917 | 4.42 in — Jul 25, 1997 |
| August | 108.0°F — Aug 15, 1937 | 32.0°F — Aug 11, 1902 | 4.01 in — Aug 4, 1900 |
| September | 104.0°F — Sep 9, 1931 | 15.1°F — Sep 25, 1926 | 4.70 in — Sep 8, 1900 |
| October | 96.1°F — Oct 3, 1914 | -8.0°F — Oct 29, 1925 | 3.80 in — Oct 6, 1946 |
| November | 78.1°F — Nov 9, 1999 | -22.0°F — Nov 30, 1964 | 1.28 in — Nov 8, 1977 |
| December | 63.0°F — Dec 3, 1941 | -35.0°F — Dec 13, 1917 | 1.50 in — Dec 11, 1949 |
Click a month to see every daily record for that month in Henry.