All-time weather records — Lyman, NE
Climate change signal in Lyman
of Lyman's all-time daily heat records were set in the last decade (170 of 366 records since 2015).
of all-time daily cold records were set in the last decade (125 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 | # |
|---|---|---|---|---|
| 1990s | 18 | 37 | ||
| 2000s | 128 | 169 | ||
| 2010s | 111 | 89 | ||
| 2020s | 109 | 71 |
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 1998, the latest in 2026. Period of observation: 1998-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 75.0°F — Jan 27, 2015 | -26.9°F — Jan 16, 2024 | 0.30 in — Jan 4, 2017 |
| February | 73.0°F — Feb 28, 2006 | -29.7°F — Feb 18, 2006 | 0.91 in — Feb 23, 2017 |
| March | 90.0°F — Mar 21, 2026 | -16.8°F — Mar 4, 2019 | 0.97 in — Mar 18, 2003 |
| April | 90.0°F — Apr 24, 2012 | 1.2°F — Apr 3, 2020 | 1.34 in — Apr 18, 2000 |
| May | 100.0°F — May 29, 2003 | 19.9°F — May 2, 2005 | 2.49 in — May 19, 2018 |
| June | 105.1°F — Jun 26, 2012 | 27.1°F — Jun 8, 2007 | 1.56 in — Jun 12, 2005 |
| July | 107.1°F — Jul 15, 2006 | 42.1°F — Jul 30, 2009 | 1.68 in — Jul 9, 2001 |
| August | 105.1°F — Aug 4, 2024 | 0.1°F — Aug 2, 2008 | 1.33 in — Aug 3, 1998 |
| September | 102.0°F — Sep 5, 2020 | 19.9°F — Sep 29, 1999 | 1.47 in — Sep 5, 2004 |
| October | 91.9°F — Oct 3, 2025 | -10.8°F — Oct 27, 2020 | 1.66 in — Oct 11, 2013 |
| November | 80.1°F — Nov 2, 2008 | -11.0°F — Nov 29, 2004 | 0.77 in — Nov 4, 2015 |
| December | 73.9°F — Dec 2, 2021 | -27.0°F — Dec 21, 1998 | 0.35 in — Dec 15, 2015 |
Click a month to see every daily record for that month in Lyman.