Billings 1SW Threshold Days by Year (USC00230657)
17 fixed thresholds counted per year at Billings 1SW (USC00230657): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Billings 1SW Thresholds
- Billings 1SW: days with a maximum temperature at or above 30 C (86 F) in 59 years, most in 2018 with 105.
- Billings 1SW: days with a maximum temperature at or above 90 F (32.2 C) in 59 years, most in 1980 with 79.
- Billings 1SW: days with a maximum temperature at or below 0 C (32 F) in 59 years, most in 1978 with 48.
- Billings 1SW: nights with a minimum temperature at or below 0 C (32 F) in 57 years, most in 2013 with 136.
- 17 fixed thresholds have at least one qualifying day at Billings 1SW.
Days at or above 30 C (86 F)
59 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1963 | 90 | 67 |
| 1964 | 74 | 67 |
| 1965 | 54 | 67 |
| 1966 | 50 | 67 |
| 1970 | 72 | 66.5 |
| 1971 | 62 | 66.5 |
| 1972 | 72 | 66.5 |
| 1973 | 65 | 66.5 |
| 1974 | 55 | 66.5 |
| 1975 | 80 | 66.5 |
| 1976 | 48 | 66.5 |
| 1977 | 69 | 66.5 |
| 1978 | 81 | 66.5 |
| 1979 | 61 | 66.5 |
| 1980 | 96 | 72.1 |
| 1981 | 53 | 72.1 |
| 1982 | 56 | 72.1 |
| 1983 | 73 | 72.1 |
| 1984 | 74 | 72.1 |
| 1985 | 65 | 72.1 |
| 1986 | 77 | 72.1 |
| 1987 | 79 | 72.1 |
| 1988 | 76 | 72.1 |
| 1990 | 64 | 54.1 |
| 1991 | 69 | 54.1 |
| 1992 | 24 | 54.1 |
| 1993 | 44 | 54.1 |
| 1994 | 54 | 54.1 |
| 1996 | 61 | 54.1 |
| 1997 | 38 | 54.1 |
| 1998 | 72 | 54.1 |
| 1999 | 61 | 54.1 |
| 2000 | 61 | 59.9 |
| 2001 | 58 | 59.9 |
| 2002 | 61 | 59.9 |
| 2003 | 43 | 59.9 |
| 2004 | 27 | 59.9 |
| 2005 | 73 | 59.9 |
| 2006 | 94 | 59.9 |
| 2007 | 79 | 59.9 |
| 2008 | 52 | 59.9 |
| 2009 | 51 | 59.9 |
| 2010 | 101 | 83.3 |
| 2011 | 97 | 83.3 |
| 2012 | 101 | 83.3 |
| 2013 | 74 | 83.3 |
| 2014 | 63 | 83.3 |
| 2015 | 65 | 83.3 |
| 2016 | 82 | 83.3 |
| 2017 | 68 | 83.3 |
| 2018 | 105 | 83.3 |
| 2019 | 77 | 83.3 |
| 2020 | 77 | 85.3 |
| 2021 | 85 | 85.3 |
| 2022 | 88 | 85.3 |
| 2023 | 82 | 85.3 |
| 2024 | 83 | 85.3 |
| 2025 | 80 | 85.3 |
| 2026 | 102 | 85.3 |
| Year | First date | Last date |
|---|---|---|
| 1963 | 1963-04-21 | 1963-10-15 |
| 1964 | 1964-05-17 | 1964-10-17 |
| 1965 | 1965-04-21 | 1965-09-18 |
| 1966 | 1966-06-09 | 1966-09-04 |
| 1970 | 1970-04-29 | 1970-09-22 |
| 1971 | 1971-06-06 | 1971-10-02 |
| 1972 | 1972-04-13 | 1972-09-21 |
| 1973 | 1973-06-10 | 1973-09-22 |
| 1974 | 1974-04-01 | 1974-08-27 |
| 1975 | 1975-05-20 | 1975-10-14 |
| 1976 | 1976-06-14 | 1976-09-17 |
| 1977 | 1977-05-31 | 1977-09-09 |
| 1978 | 1978-05-27 | 1978-10-22 |
| 1979 | 1979-05-08 | 1979-10-21 |
| 1980 | 1980-05-12 | 1980-10-10 |
| 1981 | 1981-04-14 | 1981-09-11 |
| 1982 | 1982-05-31 | 1982-10-06 |
| 1983 | 1983-06-21 | 1983-10-04 |
| 1984 | 1984-05-14 | 1984-09-14 |
| 1985 | 1985-05-27 | 1985-09-21 |
| 1986 | 1986-05-10 | 1986-09-29 |
| 1987 | 1987-04-19 | 1987-09-26 |
| 1988 | 1988-05-14 | 1988-09-23 |
| 1990 | 1990-06-07 | 1990-09-10 |
| 1991 | 1991-05-29 | 1991-09-16 |
| 1992 | 1992-06-17 | 1992-09-08 |
| 1993 | 1993-06-17 | 1993-09-13 |
| 1994 | 1994-06-03 | 1994-09-15 |
| 1996 | 1996-05-18 | 1996-09-13 |
| 1997 | 1997-06-20 | 1997-09-03 |
| 1998 | 1998-05-20 | 1998-09-30 |
| 1999 | 1999-06-04 | 1999-09-08 |
| 2000 | 2000-05-09 | 2000-10-05 |
| 2001 | 2001-04-10 | 2001-09-08 |
| 2002 | 2002-04-18 | 2002-10-03 |
| 2003 | 2003-06-24 | 2003-09-18 |
| 2004 | 2004-06-09 | 2004-09-20 |
| 2005 | 2005-04-21 | 2005-10-20 |
| 2006 | 2006-04-13 | 2006-11-09 |
| 2007 | 2007-05-06 | 2007-10-07 |
| 2008 | 2008-05-25 | 2008-09-12 |
| 2009 | 2009-05-31 | 2009-09-27 |
| 2010 | 2010-05-23 | 2010-09-21 |
| 2011 | 2011-04-08 | 2011-09-29 |
| 2012 | 2012-04-01 | 2012-09-25 |
| 2013 | 2013-05-14 | 2013-09-27 |
| 2014 | 2014-05-04 | 2014-09-29 |
| 2015 | 2015-06-05 | 2015-10-16 |
| 2016 | 2016-06-09 | 2016-10-18 |
| 2017 | 2017-05-19 | 2017-10-15 |
| 2018 | 2018-05-08 | 2018-10-07 |
| 2019 | 2019-05-24 | 2019-10-03 |
| 2020 | 2020-04-09 | 2020-10-12 |
| 2021 | 2021-06-10 | 2021-10-10 |
| 2022 | 2022-05-10 | 2022-09-25 |
| 2023 | 2023-04-04 | 2023-10-03 |
| 2024 | 2024-05-20 | 2024-10-29 |
| 2025 | 2025-06-03 | 2025-10-07 |
| 2026 | 2026-03-21 | 2026-10-14 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 59 | 105 | 2018 | 102 |
| 35 C (95 F): Days | 54 | 57 | 1980 | 38 |
| 40 C (104 F): Days | 9 | 13 | 1980 | 2 |
| 90 F (32.2 C): Days | 59 | 79 | 1980 | 70 |
| 100 F (37.8 C): Days | 31 | 30 | 2012 | 17 |
| 0 C (32 F): Ice days (max | 59 | 48 | 1978 | 8 |
| 0 C (32 F): Frost days (min | 57 | 136 | 2013 | 54 |
| -10 C (14 F): Days with min | 57 | 39 | 1978 | 16 |
| -20 C (-4 F): Days with min | 30 | 11 | 1979 | 2 |
| 20 C (68 F): Tropical nights (min | 57 | 59 | 1980 | 69 |
| 25 C (77 F): Days with min | 10 | 6 | 2012 | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 56 | 56 | 2019 | 26 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 56 | 26 | 2008 | 14 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 52 | 10 | 2015 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 11 | 2 | 1993 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 39 | 4 | 1975 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 8 | 1 | 1970 | 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).