Chino Valley Threshold Days by Year (USC00021654)
15 fixed thresholds counted per year at Chino Valley (USC00021654): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Chino Valley Thresholds
- Chino Valley: days with 10 mm (0.39 in) or more of precipitation in 55 years, most in 1965 with 20.
- Chino Valley: days with a maximum temperature at or above 30 C (86 F) in 46 years, most in 2018 with 129.
- Chino Valley: days with a maximum temperature at or above 35 C (95 F) in 46 years, most in 1960 with 45.
- Chino Valley: days with a maximum temperature at or above 90 F (32.2 C) in 46 years, most in 1960 with 95.
- 15 fixed thresholds have at least one qualifying day at Chino Valley.
Days at or above 30 C (86 F)
46 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1943 | 102 | 99.9 |
| 1944 | 94 | 99.9 |
| 1945 | 86 | 99.9 |
| 1946 | 95 | 99.9 |
| 1947 | 116 | 99.9 |
| 1948 | 99 | 99.9 |
| 1949 | 107 | 99.9 |
| 1950 | 108 | 99.8 |
| 1951 | 114 | 99.8 |
| 1952 | 98 | 99.8 |
| 1953 | 99 | 99.8 |
| 1954 | 103 | 99.8 |
| 1955 | 90 | 99.8 |
| 1956 | 102 | 99.8 |
| 1958 | 92 | 99.8 |
| 1959 | 92 | 99.8 |
| 1960 | 107 | 92.3 |
| 1962 | 80 | 92.3 |
| 1963 | 83 | 92.3 |
| 1964 | 104 | 92.3 |
| 1965 | 80 | 92.3 |
| 1966 | 91 | 92.3 |
| 1967 | 83 | 92.3 |
| 1969 | 110 | 92.3 |
| 1971 | 81 | 91.7 |
| 1972 | 79 | 91.7 |
| 1973 | 93 | 91.7 |
| 1974 | 81 | 91.7 |
| 1975 | 102 | 91.7 |
| 1976 | 86 | 91.7 |
| 1977 | 91 | 91.7 |
| 1978 | 113 | 91.7 |
| 1979 | 99 | 91.7 |
| 1980 | 108 | 103 |
| 1981 | 98 | 103 |
| 2005 | 93 | 99.5 |
| 2006 | 101 | 99.5 |
| 2007 | 107 | 99.5 |
| 2008 | 97 | 99.5 |
| 2012 | 125 | 111 |
| 2013 | 101 | 111 |
| 2014 | 106 | 111 |
| 2015 | 113 | 111 |
| 2016 | 97 | 111 |
| 2017 | 106 | 111 |
| 2018 | 129 | 111 |
| Year | First date | Last date |
|---|---|---|
| 1943 | 1943-04-23 | 1943-09-22 |
| 1944 | 1944-05-13 | 1944-10-21 |
| 1945 | 1945-04-30 | 1945-09-17 |
| 1946 | 1946-06-01 | 1946-09-28 |
| 1947 | 1947-05-01 | 1947-10-04 |
| 1948 | 1948-04-16 | 1948-10-11 |
| 1949 | 1949-04-23 | 1949-10-02 |
| 1950 | 1950-04-20 | 1950-10-29 |
| 1951 | 1951-05-24 | 1951-10-10 |
| 1952 | 1952-05-12 | 1952-09-30 |
| 1953 | 1953-06-09 | 1953-10-08 |
| 1954 | 1954-04-17 | 1954-10-22 |
| 1955 | 1955-05-20 | 1955-10-15 |
| 1956 | 1956-04-22 | 1956-09-30 |
| 1958 | 1958-05-05 | 1958-10-17 |
| 1959 | 1959-05-11 | 1959-10-26 |
| 1960 | 1960-05-09 | 1960-10-08 |
| 1962 | 1962-04-17 | 1962-09-19 |
| 1963 | 1963-05-05 | 1963-10-08 |
| 1964 | 1964-05-11 | 1964-10-11 |
| 1965 | 1965-04-21 | 1965-10-12 |
| 1966 | 1966-05-19 | 1966-09-25 |
| 1967 | 1967-05-17 | 1967-09-30 |
| 1969 | 1969-05-17 | 1969-10-01 |
| 1971 | 1971-06-10 | 1971-09-17 |
| 1972 | 1972-05-29 | 1972-10-02 |
| 1973 | 1973-05-12 | 1973-10-01 |
| 1974 | 1974-05-08 | 1974-10-19 |
| 1975 | 1975-05-13 | 1975-10-06 |
| 1976 | 1976-05-13 | 1976-09-05 |
| 1977 | 1977-05-30 | 1977-09-26 |
| 1978 | 1978-05-13 | 1978-10-16 |
| 1979 | 1979-05-15 | 1979-10-26 |
| 1980 | 1980-05-21 | 1980-10-12 |
| 1981 | 1981-04-30 | 1981-09-29 |
| 2005 | 2005-05-20 | 2005-09-26 |
| 2006 | 2006-05-11 | 2006-09-30 |
| 2007 | 2007-04-28 | 2007-09-16 |
| 2008 | 2008-05-16 | 2008-09-24 |
| 2012 | 2012-04-21 | 2012-10-03 |
| 2013 | 2013-04-25 | 2013-09-25 |
| 2014 | 2014-05-04 | 2014-09-27 |
| 2015 | 2015-05-02 | 2015-10-16 |
| 2016 | 2016-05-13 | 2016-09-20 |
| 2017 | 2017-05-05 | 2017-10-24 |
| 2018 | 2018-04-11 | 2018-10-01 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 46 | 129 | 2018 | 129 |
| 35 C (95 F): Days | 46 | 45 | 1960 | 39 |
| 40 C (104 F): Days | 13 | 9 | 2017 | 9 |
| 90 F (32.2 C): Days | 46 | 95 | 1960 | 93 |
| 100 F (37.8 C): Days | 45 | 20 | 2013 | 11 |
| 0 C (32 F): Ice days (max | 15 | 10 | 1949 | 1 |
| 0 C (32 F): Frost days (min | 46 | 194 | 1953 | 113 |
| -10 C (14 F): Days with min | 45 | 43 | 1956 | 2 |
| -20 C (-4 F): Days with min | 6 | 6 | 1949 | 3 |
| 20 C (68 F): Tropical nights (min | 25 | 12 | 2016 | 8 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 55 | 20 | 1965 | 9 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 41 | 4 | 1972 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 9 | 1 | 1953 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 19 | 4 | 1949 | 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 1943.
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).