All-time weather records — Green River, WY
Climate change signal in Green River
of Green River's all-time daily heat records were set in the last decade (57 of 366 records since 2015).
of all-time daily cold records were set in the last decade (10 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 | · | ||
| 1900s | 9 | 28 | ||
| 1910s | 24 | 50 | ||
| 1920s | 32 | 26 | ||
| 1930s | 72 | 23 | ||
| 1940s | 23 | 20 | ||
| 1950s | 22 | 32 | ||
| 1960s | 7 | 48 | ||
| 1970s | 7 | 52 | ||
| 1980s | 27 | 40 | ||
| 1990s | 25 | 26 | ||
| 2000s | 26 | 8 | ||
| 2010s | 34 | 7 | ||
| 2020s | 43 | 6 |
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 1897, the latest in 2026. Period of observation: 1897-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 60.1°F — Jan 9, 1983 | -40.0°F — Jan 1, 1979 | 1.10 in — Jan 25, 2017 |
| February | 72.0°F — Feb 23, 1983 | -41.1°F — Feb 1, 1985 | 1.30 in — Feb 24, 2017 |
| March | 84.0°F — Mar 26, 2026 | -26.0°F — Mar 1, 1960 | 1.16 in — Mar 31, 1957 |
| April | 86.0°F — Apr 29, 1939 | -2.0°F — Apr 15, 1922 | 1.10 in — Apr 4, 2023 |
| May | 93.9°F — May 27, 2003 | 9.0°F — May 10, 2015 | 2.11 in — May 8, 1921 |
| June | 102.9°F — Jun 19, 1940 | 21.9°F — Jun 1, 1990 | 1.42 in — Jun 10, 1965 |
| July | 104.0°F — Jul 8, 1954 | 30.9°F — Jul 1, 1968 | 2.00 in — Jul 24, 1977 |
| August | 100.0°F — Aug 6, 1979 | 23.0°F — Aug 31, 1908 | 1.35 in — Aug 16, 1931 |
| September | 98.1°F — Sep 6, 1998 | 3.9°F — Sep 18, 1965 | 1.54 in — Sep 1, 2008 |
| October | 89.1°F — Oct 2, 1906 | -9.0°F — Oct 31, 2019 | 1.38 in — Oct 24, 1956 |
| November | 73.0°F — Nov 8, 1931 | -18.9°F — Nov 29, 1979 | 1.60 in — Nov 22, 2003 |
| December | 66.0°F — Dec 11, 1939 | -42.0°F — Dec 31, 1978 | 0.80 in — Dec 20, 1981 |
Click a month to see every daily record for that month in Green River.