Deer Flat Dam Threshold Days by Year
15 fixed thresholds counted per year at Deer Flat Dam (USC00102444): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Deer Flat Dam Thresholds
- Deer Flat Dam: days with 10 mm (0.39 in) or more of precipitation in 59 years, most in 1951 with 10.
- Deer Flat Dam: nights with a minimum temperature at or below 0 C (32 F) in 56 years, most in 1985 with 172.
- Deer Flat Dam: nights with a minimum temperature at or below -10 C (14 F) in 54 years, most in 1985 with 69.
- Deer Flat Dam: nights with a minimum temperature at or above 20 C (68 F) in 51 years, most in 2013 with 14.
- 15 fixed thresholds have at least one qualifying day at Deer Flat Dam.
Days at or above 30 C (86 F)
49 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1949 | 69 | 69 |
| 1950 | 47 | 51.6 |
| 1951 | 39 | 51.6 |
| 1952 | 65 | 51.6 |
| 1953 | 52 | 51.6 |
| 1954 | 45 | 51.6 |
| 1955 | 56 | 51.6 |
| 1956 | 47 | 51.6 |
| 1957 | 46 | 51.6 |
| 1958 | 67 | 51.6 |
| 1959 | 52 | 51.6 |
| 1960 | 54 | 54 |
| 1961 | 66 | 54 |
| 1962 | 38 | 54 |
| 1963 | 54 | 54 |
| 1964 | 44 | 54 |
| 1965 | 36 | 54 |
| 1966 | 68 | 54 |
| 1967 | 81 | 54 |
| 1968 | 49 | 54 |
| 1969 | 50 | 54 |
| 1970 | 77 | 59.1 |
| 1971 | 57 | 59.1 |
| 1972 | 63 | 59.1 |
| 1973 | 64 | 59.1 |
| 1974 | 65 | 59.1 |
| 1975 | 42 | 59.1 |
| 1976 | 51 | 59.1 |
| 1977 | 65 | 59.1 |
| 1978 | 43 | 59.1 |
| 1979 | 64 | 59.1 |
| 1980 | 45 | 58.4 |
| 1981 | 77 | 58.4 |
| 1982 | 51 | 58.4 |
| 1983 | 44 | 58.4 |
| 1984 | 64 | 58.4 |
| 1985 | 60 | 58.4 |
| 1986 | 69 | 58.4 |
| 1988 | 67 | 58.4 |
| 1989 | 49 | 58.4 |
| 1990 | 63 | 61.8 |
| 1992 | 64 | 61.8 |
| 1994 | 80 | 61.8 |
| 1995 | 51 | 61.8 |
| 1996 | 51 | 61.8 |
| 2010 | 59 | 70.8 |
| 2011 | 61 | 70.8 |
| 2012 | 74 | 70.8 |
| 2013 | 89 | 70.8 |
| Year | First date | Last date |
|---|---|---|
| 1949 | 1949-05-10 | 1949-09-27 |
| 1950 | 1950-06-04 | 1950-09-21 |
| 1951 | 1951-06-14 | 1951-09-19 |
| 1952 | 1952-04-25 | 1952-09-26 |
| 1953 | 1953-05-06 | 1953-09-16 |
| 1954 | 1954-05-15 | 1954-09-10 |
| 1955 | 1955-06-07 | 1955-09-13 |
| 1956 | 1956-05-20 | 1956-09-09 |
| 1957 | 1957-06-02 | 1957-09-28 |
| 1958 | 1958-05-20 | 1958-09-10 |
| 1959 | 1959-06-02 | 1959-09-13 |
| 1960 | 1960-06-03 | 1960-09-12 |
| 1961 | 1961-06-14 | 1961-08-29 |
| 1962 | 1962-06-18 | 1962-09-02 |
| 1963 | 1963-05-30 | 1963-10-03 |
| 1964 | 1964-06-24 | 1964-08-25 |
| 1965 | 1965-06-09 | 1965-08-18 |
| 1966 | 1966-05-03 | 1966-09-23 |
| 1967 | 1967-05-21 | 1967-09-28 |
| 1968 | 1968-06-02 | 1968-09-13 |
| 1969 | 1969-06-03 | 1969-09-09 |
| 1970 | 1970-05-17 | 1970-09-18 |
| 1971 | 1971-06-21 | 1971-09-11 |
| 1972 | 1972-05-15 | 1972-09-05 |
| 1973 | 1973-05-15 | 1973-09-12 |
| 1974 | 1974-06-11 | 1974-09-21 |
| 1975 | 1975-07-02 | 1975-09-14 |
| 1976 | 1976-05-13 | 1976-09-05 |
| 1977 | 1977-04-23 | 1977-09-08 |
| 1978 | 1978-06-05 | 1978-09-25 |
| 1979 | 1979-05-22 | 1979-09-22 |
| 1980 | 1980-05-21 | 1980-09-06 |
| 1981 | 1981-06-05 | 1981-09-19 |
| 1982 | 1982-06-15 | 1982-09-09 |
| 1983 | 1983-05-25 | 1983-09-14 |
| 1984 | 1984-05-29 | 1984-09-20 |
| 1985 | 1985-04-06 | 1985-08-30 |
| 1986 | 1986-05-25 | 1986-09-09 |
| 1988 | 1988-05-12 | 1988-09-07 |
| 1989 | 1989-05-07 | 1989-09-30 |
| 1990 | 1990-06-09 | 1990-09-25 |
| 1992 | 1992-05-05 | 1992-10-01 |
| 1994 | 1994-04-19 | 1994-09-28 |
| 1995 | 1995-05-31 | 1995-09-17 |
| 1996 | 1996-06-07 | 1996-10-10 |
| 2010 | 2010-06-15 | 2010-10-03 |
| 2011 | 2011-06-22 | 2011-10-03 |
| 2012 | 2012-04-23 | 2012-09-17 |
| 2013 | 2013-05-10 | 2013-09-16 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 49 | 89 | 2013 | 89 |
| 35 C (95 F): Days | 48 | 27 | 2013 | 27 |
| 40 C (104 F): Days | 1 | 1 | 1980 | 1 |
| 90 F (32.2 C): Days | 49 | 69 | 2013 | 69 |
| 100 F (37.8 C): Days | 16 | 5 | 2013 | 5 |
| 0 C (32 F): Ice days (max | 49 | 63 | 1985 | 39 |
| 0 C (32 F): Frost days (min | 56 | 172 | 1985 | 115 |
| -10 C (14 F): Days with min | 54 | 69 | 1985 | 36 |
| -20 C (-4 F): Days with min | 22 | 24 | 1985 | 6 |
| -30 C (-22 F): Days with min | 3 | 2 | 1990 | 2 |
| 20 C (68 F): Tropical nights (min | 51 | 14 | 2013 | 14 |
| 25 C (77 F): Days with min | 2 | 1 | 1975 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 59 | 10 | 1951 | 2 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 11 | 2 | 1958 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 15 | 5 | 1957 | 2 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.
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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2025-12-31).