Whitman Mission Threshold Days by Year (USC00459200)
17 fixed thresholds counted per year at Whitman Mission (USC00459200): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Whitman Mission Thresholds
- Whitman Mission: days with a maximum temperature at or above 30 C (86 F) in 54 years, most in 1967 with 85.
- Whitman Mission: days with a maximum temperature at or above 35 C (95 F) in 54 years, most in 1967 with 39.
- Whitman Mission: days with a maximum temperature at or above 90 F (32.2 C) in 54 years, most in 1967 with 70.
- Whitman Mission: days with a maximum temperature at or below 0 C (32 F) in 53 years, most in 1993 with 41.
- 17 fixed thresholds have at least one qualifying day at Whitman Mission.
Days at or above 30 C (86 F)
54 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1963 | 64 | 62.7 |
| 1964 | 44 | 62.7 |
| 1965 | 53 | 62.7 |
| 1966 | 68 | 62.7 |
| 1967 | 85 | 62.7 |
| 1968 | 55 | 62.7 |
| 1969 | 70 | 62.7 |
| 1970 | 70 | 59.6 |
| 1971 | 57 | 59.6 |
| 1972 | 62 | 59.6 |
| 1973 | 62 | 59.6 |
| 1974 | 62 | 59.6 |
| 1975 | 55 | 59.6 |
| 1976 | 45 | 59.6 |
| 1977 | 64 | 59.6 |
| 1978 | 50 | 59.6 |
| 1979 | 69 | 59.6 |
| 1980 | 45 | 58 |
| 1981 | 58 | 58 |
| 1982 | 58 | 58 |
| 1983 | 52 | 58 |
| 1984 | 56 | 58 |
| 1986 | 74 | 58 |
| 1987 | 66 | 58 |
| 1988 | 64 | 58 |
| 1989 | 49 | 58 |
| 1990 | 60 | 57.1 |
| 1991 | 60 | 57.1 |
| 1992 | 63 | 57.1 |
| 1993 | 41 | 57.1 |
| 1994 | 76 | 57.1 |
| 1995 | 55 | 57.1 |
| 1996 | 54 | 57.1 |
| 1997 | 62 | 57.1 |
| 1998 | 41 | 57.1 |
| 1999 | 59 | 57.1 |
| 2000 | 55 | 65.6 |
| 2001 | 68 | 65.6 |
| 2002 | 62 | 65.6 |
| 2003 | 75 | 65.6 |
| 2004 | 62 | 65.6 |
| 2005 | 64 | 65.6 |
| 2006 | 74 | 65.6 |
| 2007 | 68 | 65.6 |
| 2008 | 57 | 65.6 |
| 2009 | 71 | 65.6 |
| 2010 | 51 | 57.7 |
| 2011 | 57 | 57.7 |
| 2012 | 65 | 57.7 |
| 2021 | 78 | 74 |
| 2022 | 73 | 74 |
| 2023 | 77 | 74 |
| 2024 | 69 | 74 |
| 2026 | 73 | 74 |
| Year | First date | Last date |
|---|---|---|
| 1963 | 1963-05-21 | 1963-09-30 |
| 1964 | 1964-06-01 | 1964-09-25 |
| 1965 | 1965-05-28 | 1965-09-26 |
| 1966 | 1966-05-04 | 1966-09-29 |
| 1967 | 1967-05-21 | 1967-09-29 |
| 1968 | 1968-04-29 | 1968-09-12 |
| 1969 | 1969-05-09 | 1969-09-12 |
| 1970 | 1970-05-15 | 1970-09-02 |
| 1971 | 1971-05-11 | 1971-09-10 |
| 1972 | 1972-05-14 | 1972-09-16 |
| 1973 | 1973-05-14 | 1973-09-13 |
| 1974 | 1974-06-11 | 1974-09-26 |
| 1975 | 1975-06-01 | 1975-09-23 |
| 1976 | 1976-05-17 | 1976-10-01 |
| 1977 | 1977-04-08 | 1977-09-14 |
| 1978 | 1978-05-21 | 1978-09-27 |
| 1979 | 1979-05-23 | 1979-09-21 |
| 1980 | 1980-04-28 | 1980-09-30 |
| 1981 | 1981-04-24 | 1981-09-19 |
| 1982 | 1982-05-26 | 1982-09-09 |
| 1983 | 1983-05-24 | 1983-09-01 |
| 1984 | 1984-05-30 | 1984-09-19 |
| 1986 | 1986-05-26 | 1986-09-06 |
| 1987 | 1987-04-29 | 1987-09-24 |
| 1988 | 1988-05-12 | 1988-09-15 |
| 1989 | 1989-06-02 | 1989-09-25 |
| 1990 | 1990-06-21 | 1990-09-30 |
| 1991 | 1991-07-02 | 1991-10-16 |
| 1992 | 1992-05-06 | 1992-09-04 |
| 1993 | 1993-05-11 | 1993-09-11 |
| 1994 | 1994-05-08 | 1994-09-29 |
| 1995 | 1995-05-29 | 1995-09-18 |
| 1996 | 1996-06-03 | 1996-09-29 |
| 1997 | 1997-05-13 | 1997-10-02 |
| 1998 | 1998-06-22 | 1998-09-18 |
| 1999 | 1999-05-24 | 1999-09-24 |
| 2000 | 2000-05-22 | 2000-09-21 |
| 2001 | 2001-05-13 | 2001-09-25 |
| 2002 | 2002-06-13 | 2002-09-14 |
| 2003 | 2003-05-24 | 2003-10-22 |
| 2004 | 2004-06-05 | 2004-09-09 |
| 2005 | 2005-05-27 | 2005-09-09 |
| 2006 | 2006-05-16 | 2006-09-30 |
| 2007 | 2007-05-09 | 2007-09-13 |
| 2008 | 2008-05-17 | 2008-09-19 |
| 2009 | 2009-05-18 | 2009-09-25 |
| 2010 | 2010-06-14 | 2010-09-29 |
| 2011 | 2011-06-23 | 2011-09-25 |
| 2012 | 2012-04-24 | 2012-09-20 |
| 2021 | 2021-05-17 | 2021-09-27 |
| 2022 | 2022-06-21 | 2022-09-28 |
| 2023 | 2023-05-04 | 2023-09-19 |
| 2024 | 2024-05-12 | 2024-09-26 |
| 2026 | 2026-05-05 | 2026-09-22 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 54 | 85 | 1967 | 73 |
| 35 C (95 F): Days | 54 | 39 | 1967 | 17 |
| 40 C (104 F): Days | 34 | 6 | 1967 | 5 |
| 45 C (113 F): Days | 1 | 2 | 2021 | 2 |
| 90 F (32.2 C): Days | 54 | 70 | 1967 | 49 |
| 100 F (37.8 C): Days | 51 | 19 | 1967 | 3 |
| 110 F (43.3 C): Days | 3 | 3 | 2021 | 3 |
| 0 C (32 F): Ice days (max | 53 | 41 | 1993 | 11 |
| 0 C (32 F): Frost days (min | 53 | 152 | 2009 | 35 |
| -10 C (14 F): Days with min | 48 | 28 | 1979 | 7 |
| -20 C (-4 F): Days with min | 20 | 12 | 1972 | 3 |
| -30 C (-22 F): Days with min | 1 | 2 | 1968 | 2 |
| 20 C (68 F): Tropical nights (min | 26 | 4 | 1968 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 51 | 16 | 1996 | 7 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 22 | 3 | 1990 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 10 | 3 | 1996 | 3 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 2 | 1 | 1969 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.
Download the Data
Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2026-10-17).