Clearwater Threshold Days by Year (USC00451496)
14 fixed thresholds counted per year at Clearwater (USC00451496): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Clearwater Thresholds
- Clearwater: days with 10 mm (0.39 in) or more of precipitation in 76 years, most in 1968 with 127.
- Clearwater: days with 25 mm (0.98 in) or more of precipitation in 76 years, most in 1997 with 57.
- Clearwater: days with 50 mm (1.97 in) or more of precipitation in 76 years, most in 1975 with 21.
- Clearwater: nights with a minimum temperature at or below 0 C (32 F) in 72 years, most in 1985 with 113.
- 14 fixed thresholds have at least one qualifying day at Clearwater.
Days at or above 30 C (86 F)
57 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1898 | 11 | 11 |
| 1901 | 1 | 4.3 |
| 1903 | 1 | 4.3 |
| 1904 | 5 | 4.3 |
| 1906 | 10 | 4.3 |
| 1912 | 2 | 1.5 |
| 1915 | 1 | 1.5 |
| 1940 | 4 | 4 |
| 1950 | 2 | 4.6 |
| 1951 | 4 | 4.6 |
| 1952 | 7 | 4.6 |
| 1953 | 3 | 4.6 |
| 1955 | 5 | 4.6 |
| 1956 | 5 | 4.6 |
| 1957 | 5 | 4.6 |
| 1958 | 6 | 4.6 |
| 1959 | 4 | 4.6 |
| 1960 | 6 | 3.7 |
| 1961 | 6 | 3.7 |
| 1962 | 1 | 3.7 |
| 1963 | 2 | 3.7 |
| 1965 | 5 | 3.7 |
| 1966 | 2 | 3.7 |
| 1967 | 8 | 3.7 |
| 1968 | 2 | 3.7 |
| 1969 | 1 | 3.7 |
| 1970 | 4 | 4.8 |
| 1971 | 4 | 4.8 |
| 1972 | 7 | 4.8 |
| 1974 | 6 | 4.8 |
| 1975 | 4 | 4.8 |
| 1978 | 4 | 4.8 |
| 1981 | 10 | 5 |
| 1982 | 2 | 5 |
| 1985 | 7 | 5 |
| 1987 | 2 | 5 |
| 1988 | 6 | 5 |
| 1989 | 3 | 5 |
| 1990 | 2 | 3.7 |
| 1991 | 3 | 3.7 |
| 1992 | 8 | 3.7 |
| 1993 | 2 | 3.7 |
| 1995 | 5 | 3.7 |
| 1996 | 4 | 3.7 |
| 1997 | 4 | 3.7 |
| 1998 | 3 | 3.7 |
| 1999 | 2 | 3.7 |
| 2000 | 1 | 4.6 |
| 2002 | 3 | 4.6 |
| 2004 | 4 | 4.6 |
| 2005 | 2 | 4.6 |
| 2006 | 10 | 4.6 |
| 2007 | 3 | 4.6 |
| 2008 | 2 | 4.6 |
| 2009 | 12 | 4.6 |
| 2010 | 4 | 5 |
| 2012 | 6 | 5 |
| Year | First date | Last date |
|---|---|---|
| 1898 | 1898-05-25 | 1898-09-07 |
| 1901 | 1901-08-13 | 1901-08-13 |
| 1903 | 1903-08-17 | 1903-08-17 |
| 1904 | 1904-04-11 | 1904-08-04 |
| 1906 | 1906-06-24 | 1906-08-29 |
| 1912 | 1912-05-12 | 1912-05-13 |
| 1915 | 1915-07-01 | 1915-07-01 |
| 1940 | 1940-06-11 | 1940-08-18 |
| 1950 | 1950-09-21 | 1950-09-22 |
| 1951 | 1951-06-29 | 1951-07-12 |
| 1952 | 1952-07-08 | 1952-09-23 |
| 1953 | 1953-08-14 | 1953-09-10 |
| 1955 | 1955-06-08 | 1955-09-06 |
| 1956 | 1956-05-17 | 1956-07-20 |
| 1957 | 1957-09-11 | 1957-09-23 |
| 1958 | 1958-06-06 | 1958-09-07 |
| 1959 | 1959-05-12 | 1959-07-31 |
| 1960 | 1960-07-16 | 1960-09-09 |
| 1961 | 1961-07-11 | 1961-09-13 |
| 1962 | 1962-09-05 | 1962-09-05 |
| 1963 | 1963-05-20 | 1963-05-21 |
| 1965 | 1965-07-23 | 1965-08-01 |
| 1966 | 1966-06-15 | 1966-06-16 |
| 1967 | 1967-07-01 | 1967-09-15 |
| 1968 | 1968-07-01 | 1968-07-02 |
| 1969 | 1969-06-17 | 1969-06-17 |
| 1970 | 1970-06-01 | 1970-09-26 |
| 1971 | 1971-05-11 | 1971-08-10 |
| 1972 | 1972-05-28 | 1972-09-02 |
| 1974 | 1974-09-02 | 1974-09-25 |
| 1975 | 1975-07-24 | 1975-09-30 |
| 1978 | 1978-07-21 | 1978-07-25 |
| 1981 | 1981-08-06 | 1981-09-16 |
| 1982 | 1982-06-18 | 1982-08-24 |
| 1985 | 1985-05-16 | 1985-08-16 |
| 1987 | 1987-05-07 | 1987-08-31 |
| 1988 | 1988-07-19 | 1988-09-02 |
| 1989 | 1989-06-23 | 1989-09-23 |
| 1990 | 1990-07-20 | 1990-08-04 |
| 1991 | 1991-07-23 | 1991-09-25 |
| 1992 | 1992-06-21 | 1992-08-13 |
| 1993 | 1993-08-03 | 1993-08-04 |
| 1995 | 1995-06-28 | 1995-07-18 |
| 1996 | 1996-07-13 | 1996-08-29 |
| 1997 | 1997-05-11 | 1997-09-24 |
| 1998 | 1998-07-26 | 1998-07-28 |
| 1999 | 1999-09-12 | 1999-09-13 |
| 2000 | 2000-06-27 | 2000-06-27 |
| 2002 | 2002-07-22 | 2002-08-14 |
| 2004 | 2004-06-17 | 2004-08-09 |
| 2005 | 2005-05-26 | 2005-05-27 |
| 2006 | 2006-05-15 | 2006-09-02 |
| 2007 | 2007-07-10 | 2007-09-10 |
| 2008 | 2008-05-16 | 2008-06-28 |
| 2009 | 2009-06-04 | 2009-09-23 |
| 2010 | 2010-07-07 | 2010-08-15 |
| 2012 | 2012-08-04 | 2012-09-08 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 57 | 12 | 2009 | 6 |
| 35 C (95 F): Days | 12 | 3 | 1970 | 1 |
| 90 F (32.2 C): Days | 37 | 7 | 2009 | 2 |
| 0 C (32 F): Ice days (max | 20 | 9 | 1950 | 2 |
| 0 C (32 F): Frost days (min | 72 | 113 | 1985 | 60 |
| -10 C (14 F): Days with min | 20 | 14 | 1950 | 3 |
| -20 C (-4 F): Days with min | 1 | 1 | 1950 | 1 |
| 20 C (68 F): Tropical nights (min | 1 | 2 | 1971 | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 76 | 127 | 1968 | 74 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 76 | 57 | 1997 | 30 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 76 | 21 | 1975 | 9 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 43 | 5 | 1984 | 1 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 3 | 1 | 1912 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 11 | 7 | 1951 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1898.
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).