All-time weather records — Pomeroy, WA
Climate change signal in Pomeroy
of Pomeroy's all-time daily heat records were set in the last decade (7 of 366 records since 2015).
of all-time daily cold records were set in the last decade (13 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 | 21 | 8 | ||
| 1900s | 21 | 8 | ||
| 1920s | 7 | 3 | ||
| 1930s | 50 | 78 | ||
| 1940s | 51 | 40 | ||
| 1950s | 21 | 47 | ||
| 1960s | 33 | 35 | ||
| 1970s | 42 | 19 | ||
| 1980s | 55 | 33 | ||
| 1990s | 34 | 28 | ||
| 2000s | 20 | 26 | ||
| 2010s | 11 | 41 | ||
| 2020s | · | · |
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 1892, the latest in 2018. Period of observation: 1891-2020.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 66.9°F — Jan 25, 1935 | -22.0°F — Jan 26, 1957 | 1.71 in — Jan 2, 1933 |
| February | 71.1°F — Feb 24, 1986 | -17.0°F — Feb 1, 1950 | 1.69 in — Feb 9, 1899 |
| March | 80.1°F — Mar 25, 1946 | 6.1°F — Mar 5, 1955 | 2.25 in — Mar 31, 1931 |
| April | 98.1°F — Apr 24, 1977 | 10.9°F — Apr 1, 1936 | 1.12 in — Apr 23, 1996 |
| May | 100.9°F — May 30, 1986 | 19.9°F — May 1, 1954 | 2.00 in — May 30, 2000 |
| June | 104.0°F — Jun 24, 1992 | 26.1°F — Jun 8, 1989 | 2.58 in — Jun 26, 1897 |
| July | 111.9°F — Jul 26, 1928 | 35.1°F — Jul 6, 1952 | 1.05 in — Jul 3, 1902 |
| August | 109.0°F — Aug 5, 1961 | 30.9°F — Aug 24, 1992 | 1.50 in — Aug 6, 1991 |
| September | 102.0°F — Sep 3, 1950 | 21.9°F — Sep 30, 2018 | 1.45 in — Sep 26, 1947 |
| October | 93.0°F — Oct 5, 1943 | 5.0°F — Oct 31, 1935 | 2.40 in — Oct 31, 1994 |
| November | 78.1°F — Nov 4, 1975 | -14.1°F — Nov 14, 1959 | 2.00 in — Nov 1, 1994 |
| December | 72.0°F — Dec 5, 1939 | -27.0°F — Dec 30, 1968 | 2.30 in — Dec 29, 2017 |
Click a month to see every daily record for that month in Pomeroy.