Hysham 25 SSE Threshold Days by Year (USC00244364)
21 fixed thresholds counted per year at Hysham 25 SSE (USC00244364): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Hysham 25 SSE Thresholds
- Hysham 25 SSE: days with 10 mm (0.39 in) or more of precipitation in 54 years, most in 1974 with 15.
- Hysham 25 SSE: days with a maximum temperature at or above 30 C (86 F) in 51 years, most in 1988 with 83.
- Hysham 25 SSE: days with a maximum temperature at or above 90 F (32.2 C) in 51 years, most in 1988 with 61.
- Hysham 25 SSE: days with a maximum temperature at or below 0 C (32 F) in 51 years, most in 1978 with 80.
- 21 fixed thresholds have at least one qualifying day at Hysham 25 SSE.
Days at or above 30 C (86 F)
51 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1960 | 71 | 60.3 |
| 1961 | 68 | 60.3 |
| 1962 | 50 | 60.3 |
| 1963 | 52 | 60.3 |
| 1973 | 42 | 46.4 |
| 1974 | 47 | 46.4 |
| 1975 | 43 | 46.4 |
| 1976 | 55 | 46.4 |
| 1977 | 39 | 46.4 |
| 1978 | 47 | 46.4 |
| 1979 | 52 | 46.4 |
| 1980 | 61 | 59.1 |
| 1981 | 63 | 59.1 |
| 1982 | 47 | 59.1 |
| 1983 | 62 | 59.1 |
| 1984 | 64 | 59.1 |
| 1985 | 48 | 59.1 |
| 1986 | 50 | 59.1 |
| 1987 | 58 | 59.1 |
| 1988 | 83 | 59.1 |
| 1989 | 55 | 59.1 |
| 1990 | 69 | 52 |
| 1991 | 51 | 52 |
| 1992 | 45 | 52 |
| 1993 | 17 | 52 |
| 1994 | 58 | 52 |
| 1995 | 48 | 52 |
| 1996 | 57 | 52 |
| 1997 | 54 | 52 |
| 1998 | 67 | 52 |
| 1999 | 54 | 52 |
| 2000 | 64 | 60.1 |
| 2001 | 74 | 60.1 |
| 2002 | 59 | 60.1 |
| 2003 | 70 | 60.1 |
| 2004 | 43 | 60.1 |
| 2007 | 61 | 60.1 |
| 2008 | 50 | 60.1 |
| 2012 | 71 | 53 |
| 2013 | 58 | 53 |
| 2014 | 43 | 53 |
| 2015 | 58 | 53 |
| 2016 | 53 | 53 |
| 2017 | 68 | 53 |
| 2018 | 36 | 53 |
| 2019 | 37 | 53 |
| 2022 | 64 | 55.2 |
| 2023 | 46 | 55.2 |
| 2024 | 58 | 55.2 |
| 2025 | 49 | 55.2 |
| 2026 | 59 | 55.2 |
| Year | First date | Last date |
|---|---|---|
| 1960 | 1960-05-11 | 1960-10-06 |
| 1961 | 1961-05-10 | 1961-09-16 |
| 1962 | 1962-04-19 | 1962-09-27 |
| 1963 | 1963-06-18 | 1963-10-04 |
| 1973 | 1973-05-31 | 1973-09-06 |
| 1974 | 1974-06-16 | 1974-09-26 |
| 1975 | 1975-05-16 | 1975-10-07 |
| 1976 | 1976-05-29 | 1976-09-18 |
| 1977 | 1977-06-02 | 1977-09-15 |
| 1978 | 1978-06-06 | 1978-09-10 |
| 1979 | 1979-05-25 | 1979-09-26 |
| 1980 | 1980-04-21 | 1980-10-05 |
| 1981 | 1981-05-02 | 1981-09-20 |
| 1982 | 1982-06-22 | 1982-09-10 |
| 1983 | 1983-05-26 | 1983-09-27 |
| 1984 | 1984-05-16 | 1984-09-21 |
| 1985 | 1985-05-21 | 1985-09-15 |
| 1986 | 1986-05-04 | 1986-08-31 |
| 1987 | 1987-04-29 | 1987-10-04 |
| 1988 | 1988-05-14 | 1988-09-07 |
| 1989 | 1989-04-22 | 1989-10-01 |
| 1990 | 1990-05-07 | 1990-10-02 |
| 1991 | 1991-06-12 | 1991-10-17 |
| 1992 | 1992-05-07 | 1992-10-04 |
| 1993 | 1993-05-14 | 1993-10-06 |
| 1994 | 1994-05-28 | 1994-09-10 |
| 1995 | 1995-06-13 | 1995-10-12 |
| 1996 | 1996-06-09 | 1996-10-11 |
| 1997 | 1997-06-01 | 1997-10-03 |
| 1998 | 1998-05-21 | 1998-09-19 |
| 1999 | 1999-05-29 | 1999-09-24 |
| 2000 | 2000-06-07 | 2000-09-18 |
| 2001 | 2001-05-13 | 2001-10-02 |
| 2002 | 2002-05-22 | 2002-09-17 |
| 2003 | 2003-05-27 | 2003-10-20 |
| 2004 | 2004-06-01 | 2004-10-10 |
| 2007 | 2007-06-21 | 2007-09-28 |
| 2008 | 2008-05-19 | 2008-09-23 |
| 2012 | 2012-04-24 | 2012-09-19 |
| 2013 | 2013-05-13 | 2013-09-22 |
| 2014 | 2014-05-29 | 2014-09-26 |
| 2015 | 2015-06-09 | 2015-10-11 |
| 2016 | 2016-05-22 | 2016-09-03 |
| 2017 | 2017-05-07 | 2017-09-13 |
| 2018 | 2018-05-27 | 2018-09-10 |
| 2019 | 2019-06-07 | 2019-09-17 |
| 2022 | 2022-06-18 | 2022-09-29 |
| 2023 | 2023-05-23 | 2023-09-27 |
| 2024 | 2024-06-15 | 2024-10-17 |
| 2025 | 2025-05-11 | 2025-10-01 |
| 2026 | 2026-05-14 | 2026-10-10 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 51 | 83 | 1988 | 59 |
| 35 C (95 F): Days | 50 | 48 | 1988 | 19 |
| 40 C (104 F): Days | 24 | 8 | 2003 | 2 |
| 45 C (113 F): Days | 1 | 1 | 2002 | 1 |
| 90 F (32.2 C): Days | 51 | 61 | 1988 | 40 |
| 100 F (37.8 C): Days | 48 | 22 | 2003 | 6 |
| 110 F (43.3 C): Days | 3 | 1 | 2002 | 1 |
| 0 C (32 F): Ice days (max | 51 | 80 | 1978 | 13 |
| 0 C (32 F): Frost days (min | 51 | 208 | 2002 | 115 |
| -10 C (14 F): Days with min | 51 | 104 | 1978 | 23 |
| -20 C (-4 F): Days with min | 51 | 45 | 1979 | 6 |
| -30 C (-22 F): Days with min | 45 | 19 | 1985 | 7 |
| -40 C (-40 F): Days with min | 7 | 2 | 1963 | 2 |
| 20 C (68 F): Tropical nights (min | 26 | 8 | 2012 | 1 |
| 25 C (77 F): Days with min | 1 | 1 | 2007 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 54 | 15 | 1974 | 8 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 34 | 6 | 1993 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 6 | 1 | 1993 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 48 | 9 | 1975 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 11 | 3 | 1984 | 1 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 1 | 2 | 1984 | 2 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1960.
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).