College Obsy Threshold Days by Year (USC00502107)
13 fixed thresholds counted per year at College Obsy (USC00502107): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for College Obsy Thresholds
- College Obsy: days with 10 mm (0.39 in) or more of precipitation in 76 years, most in 1990 with 15.
- College Obsy: days with a maximum temperature at or below 0 C (32 F) in 75 years, most in 1961 with 180.
- College Obsy: nights with a minimum temperature at or below 0 C (32 F) in 75 years, most in 1992 with 255.
- College Obsy: nights with a minimum temperature at or below -10 C (14 F) in 75 years, most in 1992 with 178.
- 13 fixed thresholds have at least one qualifying day at College Obsy.
Days at or above 30 C (86 F)
45 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1950 | 2 | 2.5 |
| 1951 | 2 | 2.5 |
| 1953 | 5 | 2.5 |
| 1955 | 2 | 2.5 |
| 1957 | 1 | 2.5 |
| 1958 | 3 | 2.5 |
| 1960 | 1 | 3.3 |
| 1967 | 4 | 3.3 |
| 1968 | 3 | 3.3 |
| 1969 | 5 | 3.3 |
| 1971 | 4 | 4.3 |
| 1972 | 5 | 4.3 |
| 1975 | 2 | 4.3 |
| 1976 | 5 | 4.3 |
| 1977 | 8 | 4.3 |
| 1978 | 2 | 4.3 |
| 1980 | 1 | 3.3 |
| 1982 | 4 | 3.3 |
| 1983 | 4 | 3.3 |
| 1986 | 7 | 3.3 |
| 1987 | 3 | 3.3 |
| 1989 | 1 | 3.3 |
| 1990 | 7 | 4 |
| 1991 | 5 | 4 |
| 1992 | 2 | 4 |
| 1993 | 3 | 4 |
| 1994 | 7 | 4 |
| 1995 | 1 | 4 |
| 1997 | 3 | 4 |
| 1998 | 2 | 4 |
| 1999 | 6 | 4 |
| 2003 | 1 | 1.3 |
| 2004 | 2 | 1.3 |
| 2009 | 1 | 1.3 |
| 2010 | 1 | 2.3 |
| 2013 | 3 | 2.3 |
| 2015 | 1 | 2.3 |
| 2016 | 2 | 2.3 |
| 2017 | 1 | 2.3 |
| 2018 | 1 | 2.3 |
| 2019 | 7 | 2.3 |
| 2021 | 5 | 5 |
| 2023 | 4 | 5 |
| 2024 | 4 | 5 |
| 2025 | 7 | 5 |
| Year | First date | Last date |
|---|---|---|
| 1950 | 1950-07-11 | 1950-07-24 |
| 1951 | 1951-07-09 | 1951-07-17 |
| 1953 | 1953-07-27 | 1953-07-31 |
| 1955 | 1955-07-25 | 1955-07-26 |
| 1957 | 1957-06-11 | 1957-06-11 |
| 1958 | 1958-06-21 | 1958-07-06 |
| 1960 | 1960-05-25 | 1960-05-25 |
| 1967 | 1967-06-18 | 1967-07-14 |
| 1968 | 1968-07-23 | 1968-07-25 |
| 1969 | 1969-06-15 | 1969-06-28 |
| 1971 | 1971-06-24 | 1971-06-27 |
| 1972 | 1972-06-14 | 1972-07-13 |
| 1975 | 1975-07-11 | 1975-07-12 |
| 1976 | 1976-07-22 | 1976-08-02 |
| 1977 | 1977-07-30 | 1977-08-23 |
| 1978 | 1978-07-12 | 1978-08-01 |
| 1980 | 1980-08-13 | 1980-08-13 |
| 1982 | 1982-06-27 | 1982-07-09 |
| 1983 | 1983-06-24 | 1983-07-07 |
| 1986 | 1986-06-16 | 1986-07-07 |
| 1987 | 1987-06-22 | 1987-07-05 |
| 1989 | 1989-07-09 | 1989-07-09 |
| 1990 | 1990-07-01 | 1990-08-14 |
| 1991 | 1991-06-21 | 1991-07-01 |
| 1992 | 1992-06-29 | 1992-06-30 |
| 1993 | 1993-07-14 | 1993-07-16 |
| 1994 | 1994-06-14 | 1994-08-07 |
| 1995 | 1995-05-12 | 1995-05-12 |
| 1997 | 1997-06-27 | 1997-07-02 |
| 1998 | 1998-07-01 | 1998-07-06 |
| 1999 | 1999-06-13 | 1999-08-05 |
| 2003 | 2003-07-10 | 2003-07-10 |
| 2004 | 2004-06-20 | 2004-06-21 |
| 2009 | 2009-07-09 | 2009-07-09 |
| 2010 | 2010-08-16 | 2010-08-16 |
| 2013 | 2013-06-26 | 2013-07-15 |
| 2015 | 2015-07-07 | 2015-07-07 |
| 2016 | 2016-07-14 | 2016-07-15 |
| 2017 | 2017-06-10 | 2017-06-10 |
| 2018 | 2018-07-23 | 2018-07-23 |
| 2019 | 2019-06-22 | 2019-07-24 |
| 2021 | 2021-07-01 | 2021-08-03 |
| 2023 | 2023-07-22 | 2023-07-25 |
| 2024 | 2024-07-22 | 2024-08-05 |
| 2025 | 2025-06-16 | 2025-07-05 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 45 | 8 | 1977 | 7 |
| 90 F (32.2 C): Days | 19 | 2 | 1969 | 1 |
| 0 C (32 F): Ice days (max | 75 | 180 | 1961 | 94 |
| 0 C (32 F): Frost days (min | 75 | 255 | 1992 | 151 |
| -10 C (14 F): Days with min | 75 | 178 | 1992 | 96 |
| -20 C (-4 F): Days with min | 75 | 115 | 1956 | 65 |
| -30 C (-22 F): Days with min | 75 | 67 | 1956 | 31 |
| -40 C (-40 F): Days with min | 54 | 18 | 1969 | 3 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 76 | 15 | 1990 | 9 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 27 | 5 | 1962 | 2 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 3 | 2 | 1967 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 62 | 12 | 1990 | 5 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 13 | 2 | 1982 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1950.
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).