Chumpuruk Threshold Days by Year (RSM00024538)
13 fixed thresholds counted per year at Chumpuruk (RSM00024538): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Chumpuruk Thresholds
- Chumpuruk: nights with a minimum temperature at or below 0 C (32 F) in 60 years, most in 1987 with 268.
- Chumpuruk: nights with a minimum temperature at or below -10 C (14 F) in 60 years, most in 1998 with 210.
- Chumpuruk: nights with a minimum temperature at or below -20 C (-4 F) in 60 years, most in 1977 with 180.
- Chumpuruk: nights with a minimum temperature at or below -30 C (-22 F) in 60 years, most in 1982 with 148.
- 13 fixed thresholds have at least one qualifying day at Chumpuruk.
Days at or above 30 C (86 F)
52 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1956 | 4 | 5 |
| 1957 | 4 | 5 |
| 1958 | 6 | 5 |
| 1959 | 6 | 5 |
| 1962 | 6 | 4.8 |
| 1963 | 1 | 4.8 |
| 1964 | 6 | 4.8 |
| 1965 | 1 | 4.8 |
| 1966 | 1 | 4.8 |
| 1967 | 7 | 4.8 |
| 1968 | 6 | 4.8 |
| 1969 | 10 | 4.8 |
| 1970 | 11 | 4.9 |
| 1971 | 5 | 4.9 |
| 1972 | 3 | 4.9 |
| 1973 | 4 | 4.9 |
| 1974 | 1 | 4.9 |
| 1975 | 6 | 4.9 |
| 1978 | 5 | 4.9 |
| 1979 | 4 | 4.9 |
| 1980 | 9 | 7 |
| 1981 | 2 | 7 |
| 1982 | 3 | 7 |
| 1984 | 9 | 7 |
| 1986 | 14 | 7 |
| 1988 | 5 | 7 |
| 1990 | 1 | 5.1 |
| 1991 | 9 | 5.1 |
| 1992 | 2 | 5.1 |
| 1993 | 5 | 5.1 |
| 1996 | 6 | 5.1 |
| 1998 | 5 | 5.1 |
| 1999 | 8 | 5.1 |
| 2000 | 3 | 4.5 |
| 2001 | 10 | 4.5 |
| 2002 | 6 | 4.5 |
| 2003 | 11 | 4.5 |
| 2004 | 1 | 4.5 |
| 2005 | 2 | 4.5 |
| 2006 | 5 | 4.5 |
| 2007 | 1 | 4.5 |
| 2008 | 2 | 4.5 |
| 2009 | 4 | 4.5 |
| 2010 | 8 | 7.1 |
| 2011 | 3 | 7.1 |
| 2012 | 8 | 7.1 |
| 2013 | 10 | 7.1 |
| 2014 | 9 | 7.1 |
| 2015 | 8 | 7.1 |
| 2016 | 5 | 7.1 |
| 2017 | 8 | 7.1 |
| 2018 | 5 | 7.1 |
| Year | First date | Last date |
|---|---|---|
| 1956 | 1956-06-17 | 1956-07-03 |
| 1957 | 1957-07-03 | 1957-08-03 |
| 1958 | 1958-06-11 | 1958-07-24 |
| 1959 | 1959-06-06 | 1959-07-04 |
| 1962 | 1962-06-25 | 1962-08-04 |
| 1963 | 1963-07-31 | 1963-07-31 |
| 1964 | 1964-07-01 | 1964-07-13 |
| 1965 | 1965-08-05 | 1965-08-05 |
| 1966 | 1966-06-21 | 1966-06-21 |
| 1967 | 1967-07-02 | 1967-07-19 |
| 1968 | 1968-07-07 | 1968-07-29 |
| 1969 | 1969-06-17 | 1969-08-03 |
| 1970 | 1970-07-05 | 1970-07-23 |
| 1971 | 1971-07-16 | 1971-07-21 |
| 1972 | 1972-07-04 | 1972-07-28 |
| 1973 | 1973-07-17 | 1973-08-02 |
| 1974 | 1974-07-15 | 1974-07-15 |
| 1975 | 1975-06-22 | 1975-08-05 |
| 1978 | 1978-07-16 | 1978-07-26 |
| 1979 | 1979-06-16 | 1979-07-04 |
| 1980 | 1980-07-09 | 1980-08-01 |
| 1981 | 1981-06-10 | 1981-06-11 |
| 1982 | 1982-07-19 | 1982-07-21 |
| 1984 | 1984-07-03 | 1984-07-22 |
| 1986 | 1986-06-23 | 1986-08-07 |
| 1988 | 1988-07-23 | 1988-07-27 |
| 1990 | 1990-07-02 | 1990-07-02 |
| 1991 | 1991-07-05 | 1991-07-17 |
| 1992 | 1992-07-12 | 1992-08-12 |
| 1993 | 1993-07-09 | 1993-07-28 |
| 1996 | 1996-07-04 | 1996-07-19 |
| 1998 | 1998-06-13 | 1998-07-03 |
| 1999 | 1999-06-17 | 1999-07-21 |
| 2000 | 2000-06-17 | 2000-06-19 |
| 2001 | 2001-06-13 | 2001-07-31 |
| 2002 | 2002-06-15 | 2002-07-15 |
| 2003 | 2003-06-09 | 2003-07-27 |
| 2004 | 2004-07-07 | 2004-07-07 |
| 2005 | 2005-07-01 | 2005-07-08 |
| 2006 | 2006-06-22 | 2006-07-31 |
| 2007 | 2007-08-13 | 2007-08-13 |
| 2008 | 2008-07-09 | 2008-07-10 |
| 2009 | 2009-06-05 | 2009-06-30 |
| 2010 | 2010-07-14 | 2010-07-22 |
| 2011 | 2011-07-14 | 2011-07-16 |
| 2012 | 2012-07-25 | 2012-08-01 |
| 2013 | 2013-06-12 | 2013-07-30 |
| 2014 | 2014-06-19 | 2014-07-17 |
| 2015 | 2015-06-08 | 2015-08-23 |
| 2016 | 2016-06-28 | 2016-07-08 |
| 2017 | 2017-06-17 | 2017-08-14 |
| 2018 | 2018-06-06 | 2018-07-03 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 52 | 14 | 1986 | 5 |
| 35 C (95 F): Days | 2 | 1 | 2013 | 1 |
| 90 F (32.2 C): Days | 29 | 6 | 2014 | 2 |
| 0 C (32 F): Ice days (max | 59 | 204 | 1998 | 168 |
| 0 C (32 F): Frost days (min | 60 | 268 | 1987 | 252 |
| -10 C (14 F): Days with min | 60 | 210 | 1998 | 181 |
| -20 C (-4 F): Days with min | 60 | 180 | 1977 | 153 |
| -30 C (-22 F): Days with min | 60 | 148 | 1982 | 119 |
| -40 C (-40 F): Days with min | 60 | 90 | 1987 | 53 |
| 20 C (68 F): Tropical nights (min | 3 | 2 | 1991 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 60 | 10 | 1977 | 2 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 17 | 3 | 2013 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 2 | 1 | 2001 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1956.
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).