Island Park Threshold Days by Year
15 fixed thresholds counted per year at Island Park (USC00104598): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Island Park Thresholds
- Island Park: days with a maximum temperature at or below 0 C (32 F) in 75 years, most in 2022 with 110.
- Island Park: nights with a minimum temperature at or below 0 C (32 F) in 75 years, most in 1965 with 268.
- Island Park: nights with a minimum temperature at or below -10 C (14 F) in 75 years, most in 1985 with 134.
- Island Park: nights with a minimum temperature at or below -20 C (-4 F) in 75 years, most in 1985 with 62.
- 15 fixed thresholds have at least one qualifying day at Island Park.
Days at or above 30 C (86 F)
70 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1937 | 5 | 7.5 |
| 1939 | 10 | 7.5 |
| 1940 | 18 | 7 |
| 1941 | 4 | 7 |
| 1942 | 9 | 7 |
| 1943 | 7 | 7 |
| 1945 | 3 | 7 |
| 1946 | 9 | 7 |
| 1947 | 2 | 7 |
| 1948 | 5 | 7 |
| 1949 | 6 | 7 |
| 1950 | 6 | 5.6 |
| 1951 | 5 | 5.6 |
| 1952 | 1 | 5.6 |
| 1953 | 8 | 5.6 |
| 1954 | 8 | 5.6 |
| 1955 | 8 | 5.6 |
| 1956 | 8 | 5.6 |
| 1957 | 3 | 5.6 |
| 1958 | 3 | 5.6 |
| 1959 | 6 | 5.6 |
| 1960 | 15 | 6.8 |
| 1961 | 16 | 6.8 |
| 1962 | 1 | 6.8 |
| 1964 | 5 | 6.8 |
| 1965 | 2 | 6.8 |
| 1966 | 9 | 6.8 |
| 1967 | 3 | 6.8 |
| 1968 | 2 | 6.8 |
| 1969 | 8 | 6.8 |
| 1970 | 10 | 9.2 |
| 1971 | 16 | 9.2 |
| 1972 | 6 | 9.2 |
| 1973 | 2 | 9.2 |
| 1974 | 11 | 9.2 |
| 1975 | 5 | 9.2 |
| 1976 | 5 | 9.2 |
| 1977 | 5 | 9.2 |
| 1978 | 11 | 9.2 |
| 1979 | 21 | 9.2 |
| 1984 | 1 | 7.7 |
| 1985 | 12 | 7.7 |
| 1989 | 10 | 7.7 |
| 1990 | 16 | 13.2 |
| 1991 | 5 | 13.2 |
| 1992 | 7 | 13.2 |
| 1997 | 12 | 13.2 |
| 1998 | 20 | 13.2 |
| 1999 | 19 | 13.2 |
| 2000 | 24 | 15.7 |
| 2001 | 26 | 15.7 |
| 2004 | 4 | 15.7 |
| 2005 | 5 | 15.7 |
| 2006 | 9 | 15.7 |
| 2007 | 26 | 15.7 |
| 2011 | 5 | 7.9 |
| 2012 | 7 | 7.9 |
| 2013 | 15 | 7.9 |
| 2015 | 7 | 7.9 |
| 2016 | 13 | 7.9 |
| 2017 | 9 | 7.9 |
| 2018 | 4 | 7.9 |
| 2019 | 3 | 7.9 |
| 2020 | 7 | 11.9 |
| 2021 | 13 | 11.9 |
| 2022 | 20 | 11.9 |
| 2023 | 6 | 11.9 |
| 2024 | 11 | 11.9 |
| 2025 | 8 | 11.9 |
| 2026 | 18 | 11.9 |
| Year | First date | Last date |
|---|---|---|
| 1937 | 1937-06-21 | 1937-08-13 |
| 1939 | 1939-07-09 | 1939-08-23 |
| 1940 | 1940-06-18 | 1940-08-31 |
| 1941 | 1941-07-16 | 1941-08-08 |
| 1942 | 1942-07-05 | 1942-08-23 |
| 1943 | 1943-07-19 | 1943-08-14 |
| 1945 | 1945-07-25 | 1945-08-01 |
| 1946 | 1946-07-20 | 1946-08-22 |
| 1947 | 1947-07-13 | 1947-07-20 |
| 1948 | 1948-06-10 | 1948-08-30 |
| 1949 | 1949-07-30 | 1949-08-06 |
| 1950 | 1950-08-31 | 1950-09-05 |
| 1951 | 1951-07-15 | 1951-07-24 |
| 1952 | 1952-07-30 | 1952-07-30 |
| 1953 | 1953-07-09 | 1953-08-13 |
| 1954 | 1954-07-04 | 1954-08-31 |
| 1955 | 1955-07-15 | 1955-09-06 |
| 1956 | 1956-07-09 | 1956-08-14 |
| 1957 | 1957-07-10 | 1957-08-08 |
| 1958 | 1958-08-07 | 1958-08-16 |
| 1959 | 1959-07-22 | 1959-09-10 |
| 1960 | 1960-07-15 | 1960-08-12 |
| 1961 | 1961-07-07 | 1961-08-23 |
| 1962 | 1962-08-15 | 1962-08-15 |
| 1964 | 1964-07-08 | 1964-08-07 |
| 1965 | 1965-07-29 | 1965-08-09 |
| 1966 | 1966-07-07 | 1966-08-25 |
| 1967 | 1967-08-19 | 1967-09-05 |
| 1968 | 1968-07-27 | 1968-08-07 |
| 1969 | 1969-08-02 | 1969-08-26 |
| 1970 | 1970-06-26 | 1970-08-25 |
| 1971 | 1971-07-16 | 1971-08-27 |
| 1972 | 1972-07-29 | 1972-08-11 |
| 1973 | 1973-07-10 | 1973-08-13 |
| 1974 | 1974-06-14 | 1974-07-29 |
| 1975 | 1975-07-07 | 1975-07-28 |
| 1976 | 1976-07-06 | 1976-07-24 |
| 1977 | 1977-06-06 | 1977-08-14 |
| 1978 | 1978-07-14 | 1978-08-09 |
| 1979 | 1979-06-29 | 1979-09-08 |
| 1984 | 1984-07-02 | 1984-07-02 |
| 1985 | 1985-07-03 | 1985-08-28 |
| 1989 | 1989-07-07 | 1989-08-03 |
| 1990 | 1990-06-27 | 1990-09-16 |
| 1991 | 1991-07-31 | 1991-09-01 |
| 1992 | 1992-07-27 | 1992-08-20 |
| 1997 | 1997-07-26 | 1997-08-21 |
| 1998 | 1998-07-17 | 1998-09-13 |
| 1999 | 1999-07-22 | 1999-08-28 |
| 2000 | 2000-06-05 | 2000-09-16 |
| 2001 | 2001-06-30 | 2001-09-02 |
| 2004 | 2004-07-12 | 2004-07-15 |
| 2005 | 2005-07-13 | 2005-08-08 |
| 2006 | 2006-07-16 | 2006-07-29 |
| 2007 | 2007-07-03 | 2007-08-16 |
| 2011 | 2011-06-29 | 2011-08-28 |
| 2012 | 2012-07-10 | 2012-08-28 |
| 2013 | 2013-06-28 | 2013-08-20 |
| 2015 | 2015-06-26 | 2015-08-26 |
| 2016 | 2016-06-27 | 2016-08-30 |
| 2017 | 2017-07-06 | 2017-09-03 |
| 2018 | 2018-07-09 | 2018-08-11 |
| 2019 | 2019-07-22 | 2019-08-21 |
| 2020 | 2020-08-01 | 2020-09-05 |
| 2021 | 2021-06-13 | 2021-08-13 |
| 2022 | 2022-07-14 | 2022-09-07 |
| 2023 | 2023-07-22 | 2023-08-17 |
| 2024 | 2024-07-10 | 2024-08-03 |
| 2025 | 2025-07-01 | 2025-08-23 |
| 2026 | 2026-07-11 | 2026-08-21 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 70 | 26 | 2001 | 18 |
| 35 C (95 F): Days | 2 | 2 | 2000 | 2 |
| 90 F (32.2 C): Days | 33 | 10 | 2000 | 5 |
| 0 C (32 F): Ice days (max | 75 | 110 | 2022 | 33 |
| 0 C (32 F): Frost days (min | 75 | 268 | 1965 | 146 |
| -10 C (14 F): Days with min | 75 | 134 | 1985 | 40 |
| -20 C (-4 F): Days with min | 75 | 62 | 1985 | 8 |
| -30 C (-22 F): Days with min | 71 | 17 | 1955 | 3 |
| -40 C (-40 F): Days with min | 14 | 4 | 1962 | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 64 | 36 | 1970 | 8 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 58 | 6 | 1965 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 5 | 1 | 1949 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 70 | 37 | 1971 | 4 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 62 | 10 | 2011 | 1 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 10 | 1 | 1943 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1937.
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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2026-10-14).