Stillwater 1 SE Threshold Days by Year (USC00218037)
19 fixed thresholds counted per year at Stillwater 1 SE (USC00218037): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Stillwater 1 SE Thresholds
- Stillwater 1 SE: days with 10 mm (0.39 in) or more of precipitation in 65 years, most in 1993 with 38.
- Stillwater 1 SE: days with 25 mm (0.98 in) or more of precipitation in 64 years, most in 1975 with 14.
- Stillwater 1 SE: days with 50 mm (1.97 in) or more of precipitation in 43 years, most in 1975 with 6.
- Stillwater 1 SE: days with a maximum temperature at or above 30 C (86 F) in 40 years, most in 2003 with 65.
- 19 fixed thresholds have at least one qualifying day at Stillwater 1 SE.
Days at or above 30 C (86 F)
40 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1959 | 43 | 43 |
| 1960 | 48 | 40.9 |
| 1961 | 43 | 40.9 |
| 1962 | 41 | 40.9 |
| 1963 | 62 | 40.9 |
| 1964 | 44 | 40.9 |
| 1966 | 42 | 40.9 |
| 1967 | 21 | 40.9 |
| 1968 | 28 | 40.9 |
| 1969 | 39 | 40.9 |
| 1970 | 51 | 38 |
| 1971 | 31 | 38 |
| 1972 | 36 | 38 |
| 1973 | 36 | 38 |
| 1974 | 34 | 38 |
| 1975 | 44 | 38 |
| 1976 | 36 | 38 |
| 1977 | 36 | 38 |
| 1983 | 53 | 37 |
| 1984 | 29 | 37 |
| 1985 | 31 | 37 |
| 1986 | 30 | 37 |
| 1987 | 46 | 37 |
| 1989 | 33 | 37 |
| 1990 | 38 | 37.3 |
| 1991 | 40 | 37.3 |
| 1992 | 27 | 37.3 |
| 1993 | 27 | 37.3 |
| 1994 | 39 | 37.3 |
| 1995 | 51 | 37.3 |
| 1996 | 26 | 37.3 |
| 1997 | 30 | 37.3 |
| 1998 | 51 | 37.3 |
| 1999 | 44 | 37.3 |
| 2000 | 46 | 47.7 |
| 2001 | 48 | 47.7 |
| 2002 | 55 | 47.7 |
| 2003 | 65 | 47.7 |
| 2004 | 31 | 47.7 |
| 2005 | 41 | 47.7 |
| Year | First date | Last date |
|---|---|---|
| 1959 | 1959-05-01 | 1959-09-08 |
| 1960 | 1960-05-14 | 1960-09-07 |
| 1961 | 1961-05-11 | 1961-09-10 |
| 1962 | 1962-04-25 | 1962-09-02 |
| 1963 | 1963-05-07 | 1963-09-08 |
| 1964 | 1964-04-16 | 1964-09-02 |
| 1966 | 1966-05-26 | 1966-09-01 |
| 1967 | 1967-05-18 | 1967-08-25 |
| 1968 | 1968-04-30 | 1968-08-24 |
| 1969 | 1969-05-27 | 1969-09-15 |
| 1970 | 1970-04-26 | 1970-09-05 |
| 1971 | 1971-06-03 | 1971-09-08 |
| 1972 | 1972-05-17 | 1972-08-30 |
| 1973 | 1973-06-01 | 1973-08-30 |
| 1974 | 1974-06-03 | 1974-08-25 |
| 1975 | 1975-05-20 | 1975-08-24 |
| 1976 | 1976-05-08 | 1976-09-13 |
| 1977 | 1977-04-10 | 1977-09-09 |
| 1983 | 1983-06-10 | 1983-09-27 |
| 1984 | 1984-06-05 | 1984-09-19 |
| 1985 | 1985-05-09 | 1985-09-19 |
| 1986 | 1986-05-28 | 1986-09-26 |
| 1987 | 1987-04-18 | 1987-09-28 |
| 1989 | 1989-06-19 | 1989-08-12 |
| 1990 | 1990-05-07 | 1990-09-14 |
| 1991 | 1991-05-12 | 1991-08-31 |
| 1992 | 1992-05-01 | 1992-10-03 |
| 1993 | 1993-06-11 | 1993-08-27 |
| 1994 | 1994-04-18 | 1994-09-12 |
| 1995 | 1995-06-04 | 1995-10-12 |
| 1996 | 1996-06-12 | 1996-09-06 |
| 1997 | 1997-06-11 | 1997-10-04 |
| 1998 | 1998-05-14 | 1998-09-20 |
| 1999 | 1999-05-28 | 1999-09-04 |
| 2000 | 2000-05-04 | 2000-10-20 |
| 2001 | 2001-05-15 | 2001-10-03 |
| 2002 | 2002-04-16 | 2002-09-10 |
| 2003 | 2003-04-14 | 2003-10-08 |
| 2004 | 2004-04-19 | 2004-09-20 |
| 2005 | 2005-06-07 | 2005-09-22 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 40 | 65 | 2003 | 41 |
| 35 C (95 F): Days | 33 | 21 | 1964 | 5 |
| 40 C (104 F): Days | 1 | 2 | 1990 | 2 |
| 90 F (32.2 C): Days | 40 | 34 | 2002 | 22 |
| 100 F (37.8 C): Days | 9 | 4 | 1964 | 2 |
| 0 C (32 F): Ice days (max | 40 | 94 | 1975 | 64 |
| 0 C (32 F): Frost days (min | 40 | 176 | 1989 | 144 |
| -10 C (14 F): Days with min | 40 | 94 | 1960 | 56 |
| -20 C (-4 F): Days with min | 39 | 45 | 1985 | 12 |
| -30 C (-22 F): Days with min | 24 | 6 | 1963 | 1 |
| -40 C (-40 F): Days with min | 1 | 1 | 1977 | 1 |
| 20 C (68 F): Tropical nights (min | 40 | 29 | 2002 | 29 |
| 25 C (77 F): Days with min | 10 | 2 | 1995 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 65 | 38 | 1993 | 25 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 64 | 14 | 1975 | 9 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 43 | 6 | 1975 | 3 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 6 | 1 | 1956 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 31 | 8 | 1950 | 3 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 4 | 2 | 1952 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1959.
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 (2025-12-31).