Rosemount Rsch & Outreach Ctr Threshold Days by Year (USC00217107)
18 fixed thresholds counted per year at Rosemount Rsch & Outreach Ctr (USC00217107): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Rosemount Rsch & Outreach Ctr Thresholds
- Rosemount Rsch & Outreach Ctr: days with a maximum temperature at or above 30 C (86 F) in 72 years, most in 1988 with 75.
- Rosemount Rsch & Outreach Ctr: days with a maximum temperature at or below 0 C (32 F) in 72 years, most in 1955 with 109.
- Rosemount Rsch & Outreach Ctr: nights with a minimum temperature at or below 0 C (32 F) in 72 years, most in 1952 with 184.
- Rosemount Rsch & Outreach Ctr: nights with a minimum temperature at or below -10 C (14 F) in 72 years, most in 1955 with 105.
- 18 fixed thresholds have at least one qualifying day at Rosemount Rsch & Outreach Ctr.
Days at or above 30 C (86 F)
72 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1951 | 8 | 23.7 |
| 1952 | 23 | 23.7 |
| 1953 | 25 | 23.7 |
| 1954 | 16 | 23.7 |
| 1955 | 40 | 23.7 |
| 1956 | 14 | 23.7 |
| 1957 | 24 | 23.7 |
| 1958 | 16 | 23.7 |
| 1959 | 47 | 23.7 |
| 1960 | 30 | 29.3 |
| 1961 | 36 | 29.3 |
| 1962 | 24 | 29.3 |
| 1963 | 31 | 29.3 |
| 1964 | 44 | 29.3 |
| 1965 | 12 | 29.3 |
| 1966 | 41 | 29.3 |
| 1967 | 15 | 29.3 |
| 1968 | 28 | 29.3 |
| 1969 | 32 | 29.3 |
| 1970 | 45 | 35.8 |
| 1971 | 28 | 35.8 |
| 1972 | 28 | 35.8 |
| 1973 | 35 | 35.8 |
| 1974 | 30 | 35.8 |
| 1975 | 43 | 35.8 |
| 1976 | 58 | 35.8 |
| 1977 | 34 | 35.8 |
| 1978 | 35 | 35.8 |
| 1979 | 22 | 35.8 |
| 1980 | 51 | 39.6 |
| 1981 | 19 | 39.6 |
| 1982 | 32 | 39.6 |
| 1984 | 25 | 39.6 |
| 1985 | 36 | 39.6 |
| 1986 | 22 | 39.6 |
| 1987 | 55 | 39.6 |
| 1988 | 75 | 39.6 |
| 1989 | 41 | 39.6 |
| 1990 | 25 | 19.3 |
| 1991 | 32 | 19.3 |
| 1992 | 10 | 19.3 |
| 1993 | 7 | 19.3 |
| 1994 | 14 | 19.3 |
| 1995 | 26 | 19.3 |
| 1996 | 14 | 19.3 |
| 1997 | 14 | 19.3 |
| 1998 | 22 | 19.3 |
| 1999 | 29 | 19.3 |
| 2000 | 14 | 24 |
| 2001 | 36 | 24 |
| 2002 | 32 | 24 |
| 2006 | 24 | 24 |
| 2007 | 40 | 24 |
| 2008 | 13 | 24 |
| 2009 | 9 | 24 |
| 2010 | 26 | 23.8 |
| 2011 | 30 | 23.8 |
| 2012 | 42 | 23.8 |
| 2013 | 25 | 23.8 |
| 2014 | 6 | 23.8 |
| 2015 | 10 | 23.8 |
| 2016 | 28 | 23.8 |
| 2017 | 23 | 23.8 |
| 2018 | 32 | 23.8 |
| 2019 | 16 | 23.8 |
| 2020 | 26 | 31.9 |
| 2021 | 41 | 31.9 |
| 2022 | 30 | 31.9 |
| 2023 | 46 | 31.9 |
| 2024 | 19 | 31.9 |
| 2025 | 32 | 31.9 |
| 2026 | 29 | 31.9 |
| Year | First date | Last date |
|---|---|---|
| 1951 | 1951-07-15 | 1951-08-01 |
| 1952 | 1952-04-30 | 1952-09-13 |
| 1953 | 1953-06-12 | 1953-10-02 |
| 1954 | 1954-06-11 | 1954-08-28 |
| 1955 | 1955-05-02 | 1955-09-18 |
| 1956 | 1956-06-09 | 1956-08-28 |
| 1957 | 1957-06-21 | 1957-09-01 |
| 1958 | 1958-05-10 | 1958-08-20 |
| 1959 | 1959-05-01 | 1959-09-08 |
| 1960 | 1960-06-14 | 1960-09-07 |
| 1961 | 1961-05-11 | 1961-09-10 |
| 1962 | 1962-04-25 | 1962-08-27 |
| 1963 | 1963-05-07 | 1963-10-05 |
| 1964 | 1964-04-16 | 1964-09-03 |
| 1965 | 1965-06-27 | 1965-08-17 |
| 1966 | 1966-05-26 | 1966-09-01 |
| 1967 | 1967-06-30 | 1967-08-25 |
| 1968 | 1968-04-30 | 1968-08-24 |
| 1969 | 1969-05-27 | 1969-08-30 |
| 1970 | 1970-04-29 | 1970-09-06 |
| 1971 | 1971-06-03 | 1971-09-08 |
| 1972 | 1972-05-16 | 1972-08-31 |
| 1973 | 1973-06-01 | 1973-08-30 |
| 1974 | 1974-06-03 | 1974-09-26 |
| 1975 | 1975-05-19 | 1975-08-24 |
| 1976 | 1976-06-06 | 1976-09-12 |
| 1977 | 1977-04-10 | 1977-08-27 |
| 1978 | 1978-05-19 | 1978-09-11 |
| 1979 | 1979-05-17 | 1979-09-04 |
| 1980 | 1980-04-21 | 1980-09-09 |
| 1981 | 1981-06-07 | 1981-09-11 |
| 1982 | 1982-05-04 | 1982-09-11 |
| 1984 | 1984-06-01 | 1984-09-20 |
| 1985 | 1985-04-18 | 1985-09-19 |
| 1986 | 1986-05-31 | 1986-09-26 |
| 1987 | 1987-04-18 | 1987-09-27 |
| 1988 | 1988-05-12 | 1988-09-17 |
| 1989 | 1989-06-07 | 1989-09-18 |
| 1990 | 1990-04-23 | 1990-09-13 |
| 1991 | 1991-04-06 | 1991-08-31 |
| 1992 | 1992-05-01 | 1992-08-10 |
| 1993 | 1993-08-09 | 1993-08-27 |
| 1994 | 1994-04-18 | 1994-08-27 |
| 1995 | 1995-06-15 | 1995-09-06 |
| 1996 | 1996-05-18 | 1996-08-25 |
| 1997 | 1997-06-22 | 1997-10-04 |
| 1998 | 1998-05-14 | 1998-09-20 |
| 1999 | 1999-05-29 | 1999-09-04 |
| 2000 | 2000-05-04 | 2000-09-19 |
| 2001 | 2001-05-15 | 2001-10-03 |
| 2002 | 2002-04-16 | 2002-09-10 |
| 2006 | 2006-05-29 | 2006-08-04 |
| 2007 | 2007-05-11 | 2007-10-07 |
| 2008 | 2008-06-26 | 2008-09-02 |
| 2009 | 2009-05-20 | 2009-08-15 |
| 2010 | 2010-05-24 | 2010-10-09 |
| 2011 | 2011-05-11 | 2011-10-06 |
| 2012 | 2012-05-19 | 2012-09-12 |
| 2013 | 2013-05-15 | 2013-09-10 |
| 2014 | 2014-05-31 | 2014-09-05 |
| 2015 | 2015-06-10 | 2015-10-12 |
| 2016 | 2016-05-07 | 2016-08-11 |
| 2017 | 2017-05-15 | 2017-09-25 |
| 2018 | 2018-05-08 | 2018-09-17 |
| 2019 | 2019-06-01 | 2019-10-01 |
| 2020 | 2020-06-02 | 2020-08-28 |
| 2021 | 2021-05-02 | 2021-09-30 |
| 2022 | 2022-05-10 | 2022-09-21 |
| 2023 | 2023-04-13 | 2023-10-04 |
| 2024 | 2024-05-13 | 2024-09-20 |
| 2025 | 2025-05-10 | 2025-10-05 |
| 2026 | 2026-05-16 | 2026-07-31 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 72 | 75 | 1988 | 29 |
| 35 C (95 F): Days | 46 | 34 | 1988 | 2 |
| 40 C (104 F): Days | 1 | 1 | 1988 | 1 |
| 90 F (32.2 C): Days | 69 | 55 | 1988 | 14 |
| 100 F (37.8 C): Days | 7 | 9 | 1988 | 1 |
| 0 C (32 F): Ice days (max | 72 | 109 | 1955 | 24 |
| 0 C (32 F): Frost days (min | 72 | 184 | 1952 | 48 |
| -10 C (14 F): Days with min | 72 | 105 | 1955 | 24 |
| -20 C (-4 F): Days with min | 72 | 51 | 1978 | 11 |
| -30 C (-22 F): Days with min | 49 | 10 | 1970 | 1 |
| 20 C (68 F): Tropical nights (min | 71 | 23 | 2016 | 9 |
| 25 C (77 F): Days with min | 12 | 2 | 1964 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 52 | 40 | 1977 | 6 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 51 | 16 | 1968 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 27 | 4 | 1957 | 4 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 7 | 1 | 1955 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 54 | 8 | 1951 | 2 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 13 | 2 | 1951 | 2 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1951.
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 (2026-10-12).