All-time weather records — Herndon, KS
Climate change signal in Herndon
of Herndon's all-time daily heat records were set in the last decade (17 of 366 records since 2015).
of all-time daily cold records were set in the last decade (11 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 | · | · | ||
| 1900s | · | · | ||
| 1910s | 28 | 40 | ||
| 1920s | 21 | 40 | ||
| 1930s | 67 | 33 | ||
| 1940s | 30 | 50 | ||
| 1950s | 34 | 40 | ||
| 1960s | 41 | 31 | ||
| 1970s | 23 | 19 | ||
| 1980s | 37 | 34 | ||
| 1990s | 22 | 38 | ||
| 2000s | 34 | 16 | ||
| 2010s | 25 | 22 | ||
| 2020s | 4 | 3 |
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 1913, the latest in 2021. Period of observation: 1893-2021.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 78.1°F — Jan 12, 1953 | -32.1°F — Jan 11, 1918 | 1.43 in — Jan 20, 1990 |
| February | 84.9°F — Feb 17, 1970 | -27.9°F — Feb 8, 1933 | 1.90 in — Feb 11, 1993 |
| March | 93.0°F — Mar 30, 1943 | -25.1°F — Mar 11, 1948 | 1.72 in — Mar 18, 1984 |
| April | 97.0°F — Apr 16, 2002 | 0.0°F — Apr 2, 1936 | 2.75 in — Apr 12, 1897 |
| May | 102.9°F — May 30, 2000 | 21.9°F — May 1, 1966 | 3.54 in — May 24, 2008 |
| June | 111.0°F — Jun 27, 2012 | 34.0°F — Jun 2, 1917 | 4.73 in — Jun 13, 1965 |
| July | 114.1°F — Jul 24, 1936 | 39.9°F — Jul 31, 1925 | 5.57 in — Jul 27, 1893 |
| August | 109.9°F — Aug 2, 1938 | 35.1°F — Aug 24, 1928 | 3.07 in — Aug 4, 1920 |
| September | 107.1°F — Sep 2, 1939 | 3.9°F — Sep 30, 1994 | 2.95 in — Sep 8, 1901 |
| October | 99.0°F — Oct 2, 1963 | 1.9°F — Oct 27, 2020 | 3.05 in — Oct 29, 2000 |
| November | 88.0°F — Nov 6, 1980 | -18.9°F — Nov 14, 1940 | 3.24 in — Nov 4, 1922 |
| December | 82.9°F — Dec 23, 1964 | -31.0°F — Dec 22, 1989 | 1.52 in — Dec 5, 1913 |
Click a month to see every daily record for that month in Herndon.