Vista Threshold Days by Year (USC00049378)
13 fixed thresholds counted per year at Vista (USC00049378): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Vista Thresholds
- Vista: days with 10 mm (0.39 in) or more of precipitation in 60 years, most in 1978 with 27.
- Vista: days with 25 mm (0.98 in) or more of precipitation in 55 years, most in 1978 with 9.
- Vista: days with a maximum temperature at or above 30 C (86 F) in 53 years, most in 1984 with 70.
- Vista: days with a maximum temperature at or above 90 F (32.2 C) in 53 years, most in 1983 with 36.
- 13 fixed thresholds have at least one qualifying day at Vista.
Days at or above 30 C (86 F)
53 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1963 | 14 | 24.7 |
| 1965 | 28 | 24.7 |
| 1966 | 20 | 24.7 |
| 1967 | 38 | 24.7 |
| 1968 | 24 | 24.7 |
| 1969 | 24 | 24.7 |
| 1970 | 29 | 30.4 |
| 1971 | 43 | 30.4 |
| 1972 | 23 | 30.4 |
| 1974 | 23 | 30.4 |
| 1975 | 15 | 30.4 |
| 1976 | 31 | 30.4 |
| 1977 | 23 | 30.4 |
| 1978 | 45 | 30.4 |
| 1979 | 42 | 30.4 |
| 1980 | 35 | 44.3 |
| 1981 | 46 | 44.3 |
| 1982 | 40 | 44.3 |
| 1983 | 57 | 44.3 |
| 1984 | 70 | 44.3 |
| 1985 | 57 | 44.3 |
| 1986 | 40 | 44.3 |
| 1988 | 23 | 44.3 |
| 1989 | 31 | 44.3 |
| 1991 | 29 | 45.1 |
| 1992 | 67 | 45.1 |
| 1993 | 23 | 45.1 |
| 1994 | 41 | 45.1 |
| 1995 | 44 | 45.1 |
| 1996 | 57 | 45.1 |
| 1997 | 47 | 45.1 |
| 1999 | 53 | 45.1 |
| 2000 | 61 | 28 |
| 2001 | 11 | 28 |
| 2002 | 16 | 28 |
| 2003 | 27 | 28 |
| 2005 | 25 | 28 |
| 2010 | 24 | 37 |
| 2012 | 50 | 37 |
| 2013 | 23 | 37 |
| 2014 | 50 | 37 |
| 2015 | 49 | 37 |
| 2016 | 37 | 37 |
| 2017 | 34 | 37 |
| 2018 | 38 | 37 |
| 2019 | 28 | 37 |
| 2020 | 45 | 32.1 |
| 2021 | 32 | 32.1 |
| 2022 | 30 | 32.1 |
| 2023 | 22 | 32.1 |
| 2024 | 25 | 32.1 |
| 2025 | 29 | 32.1 |
| 2026 | 42 | 32.1 |
| Year | First date | Last date |
|---|---|---|
| 1963 | 1963-02-03 | 1963-09-30 |
| 1965 | 1965-04-28 | 1965-10-29 |
| 1966 | 1966-04-15 | 1966-11-02 |
| 1967 | 1967-05-14 | 1967-11-13 |
| 1968 | 1968-03-04 | 1968-09-26 |
| 1969 | 1969-07-03 | 1969-11-01 |
| 1970 | 1970-05-03 | 1970-10-01 |
| 1971 | 1971-01-18 | 1971-10-22 |
| 1972 | 1972-05-27 | 1972-10-06 |
| 1974 | 1974-06-15 | 1974-11-12 |
| 1975 | 1975-01-19 | 1975-11-24 |
| 1976 | 1976-01-15 | 1976-11-17 |
| 1977 | 1977-02-12 | 1977-11-29 |
| 1978 | 1978-03-16 | 1978-10-23 |
| 1979 | 1979-05-12 | 1979-12-06 |
| 1980 | 1980-06-26 | 1980-12-30 |
| 1981 | 1981-04-05 | 1981-11-02 |
| 1982 | 1982-07-20 | 1982-11-02 |
| 1983 | 1983-01-11 | 1983-11-04 |
| 1984 | 1984-03-19 | 1984-10-13 |
| 1985 | 1985-02-13 | 1985-11-02 |
| 1986 | 1986-01-11 | 1986-11-12 |
| 1988 | 1988-03-19 | 1988-10-17 |
| 1989 | 1989-04-04 | 1989-11-19 |
| 1991 | 1991-05-05 | 1991-11-12 |
| 1992 | 1992-04-24 | 1992-11-14 |
| 1993 | 1993-06-10 | 1993-11-03 |
| 1994 | 1994-04-12 | 1994-10-11 |
| 1995 | 1995-02-03 | 1995-11-24 |
| 1996 | 1996-01-11 | 1996-11-12 |
| 1997 | 1997-03-10 | 1997-11-04 |
| 1999 | 1999-04-16 | 1999-11-29 |
| 2000 | 2000-02-04 | 2000-09-25 |
| 2001 | 2001-02-04 | 2001-10-01 |
| 2002 | 2002-02-21 | 2002-11-21 |
| 2003 | 2003-01-31 | 2003-10-27 |
| 2005 | 2005-04-06 | 2005-11-20 |
| 2010 | 2010-07-14 | 2010-12-12 |
| 2012 | 2012-01-04 | 2012-11-05 |
| 2013 | 2013-03-01 | 2013-12-16 |
| 2014 | 2014-01-14 | 2014-11-27 |
| 2015 | 2015-01-06 | 2015-11-22 |
| 2016 | 2016-02-09 | 2016-11-13 |
| 2017 | 2017-04-22 | 2017-12-09 |
| 2018 | 2018-01-13 | 2018-11-09 |
| 2019 | 2019-06-10 | 2019-11-18 |
| 2020 | 2020-04-24 | 2020-11-16 |
| 2021 | 2021-01-14 | 2021-11-21 |
| 2022 | 2022-02-09 | 2022-10-20 |
| 2023 | 2023-07-12 | 2023-11-01 |
| 2024 | 2024-06-23 | 2024-09-10 |
| 2025 | 2025-01-22 | 2025-11-10 |
| 2026 | 2026-01-14 | 2026-09-06 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 53 | 70 | 1984 | 42 |
| 35 C (95 F): Days | 51 | 15 | 1979 | 2 |
| 40 C (104 F): Days | 13 | 2 | 1963 | 1 |
| 90 F (32.2 C): Days | 53 | 36 | 1983 | 17 |
| 100 F (37.8 C): Days | 30 | 7 | 1985 | 1 |
| 0 C (32 F): Frost days (min | 29 | 11 | 1971 | 1 |
| 20 C (68 F): Tropical nights (min | 47 | 32 | 1984 | 27 |
| 25 C (77 F): Days with min | 4 | 1 | 1963 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 60 | 27 | 1978 | 6 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 55 | 9 | 1978 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 22 | 3 | 1980 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 1 | 0 | n/a | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 1 | 0 | n/a | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.
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).