Rubicon Sec Threshold Days by Year (ASN00088068)
10 fixed thresholds counted per year at Rubicon Sec (ASN00088068): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Rubicon Sec Thresholds
- Rubicon Sec: days with 10 mm (0.39 in) or more of precipitation in 49 years, most in 1956 with 80.
- Rubicon Sec: days with 25 mm (0.98 in) or more of precipitation in 49 years, most in 1956 with 33.
- Rubicon Sec: days with 50 mm (1.97 in) or more of precipitation in 42 years, most in 1955 with 9.
- Rubicon Sec: nights with a minimum temperature at or below 0 C (32 F) in 35 years, most in 1966 with 22.
- 10 fixed thresholds have at least one qualifying day at Rubicon Sec.
Days at or above 30 C (86 F)
33 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1957 | 4 | 9.5 |
| 1959 | 15 | 9.5 |
| 1960 | 11 | 7 |
| 1961 | 10 | 7 |
| 1962 | 5 | 7 |
| 1963 | 2 | 7 |
| 1964 | 7 | 7 |
| 1965 | 7 | 7 |
| 1966 | 6 | 7 |
| 1967 | 4 | 7 |
| 1968 | 13 | 7 |
| 1969 | 5 | 7 |
| 1970 | 3 | 5.8 |
| 1971 | 3 | 5.8 |
| 1972 | 5 | 5.8 |
| 1973 | 11 | 5.8 |
| 1975 | 7 | 5.8 |
| 1976 | 1 | 5.8 |
| 1977 | 6 | 5.8 |
| 1978 | 5 | 5.8 |
| 1979 | 11 | 5.8 |
| 1980 | 9 | 8 |
| 1981 | 11 | 8 |
| 1982 | 14 | 8 |
| 1983 | 19 | 8 |
| 1985 | 4 | 8 |
| 1986 | 3 | 8 |
| 1987 | 2 | 8 |
| 1988 | 8 | 8 |
| 1989 | 2 | 8 |
| 1990 | 2 | 4 |
| 1991 | 8 | 4 |
| 1992 | 2 | 4 |
| Year | First date | Last date |
|---|---|---|
| 1957 | 1957-01-30 | 1957-12-19 |
| 1959 | 1959-01-12 | 1959-12-31 |
| 1960 | 1960-01-14 | 1960-12-31 |
| 1961 | 1961-01-24 | 1961-12-26 |
| 1962 | 1962-01-14 | 1962-12-01 |
| 1963 | 1963-01-22 | 1963-12-21 |
| 1964 | 1964-01-06 | 1964-02-04 |
| 1965 | 1965-01-17 | 1965-03-05 |
| 1966 | 1966-01-09 | 1966-03-08 |
| 1967 | 1967-02-05 | 1967-02-22 |
| 1968 | 1968-01-09 | 1968-03-17 |
| 1969 | 1969-01-12 | 1969-02-04 |
| 1970 | 1970-02-04 | 1970-02-07 |
| 1971 | 1971-01-08 | 1971-02-18 |
| 1972 | 1972-12-14 | 1972-12-22 |
| 1973 | 1973-01-01 | 1973-01-25 |
| 1975 | 1975-02-01 | 1975-12-12 |
| 1976 | 1976-01-04 | 1976-01-04 |
| 1977 | 1977-01-09 | 1977-12-14 |
| 1978 | 1978-01-01 | 1978-03-11 |
| 1979 | 1979-01-01 | 1979-12-30 |
| 1980 | 1980-02-13 | 1980-12-22 |
| 1981 | 1981-01-01 | 1981-02-17 |
| 1982 | 1982-01-10 | 1982-12-14 |
| 1983 | 1983-01-21 | 1983-03-07 |
| 1985 | 1985-01-13 | 1985-03-13 |
| 1986 | 1986-02-08 | 1986-03-22 |
| 1987 | 1987-02-02 | 1987-12-15 |
| 1988 | 1988-01-07 | 1988-02-27 |
| 1989 | 1989-03-02 | 1989-03-03 |
| 1990 | 1990-01-03 | 1990-01-24 |
| 1991 | 1991-01-01 | 1991-03-08 |
| 1992 | 1992-01-20 | 1992-01-21 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 33 | 19 | 1983 | 2 |
| 35 C (95 F): Days | 4 | 3 | 1968 | 1 |
| 90 F (32.2 C): Days | 21 | 6 | 1981 | 2 |
| 0 C (32 F): Frost days (min | 35 | 22 | 1966 | 8 |
| 20 C (68 F): Tropical nights (min | 33 | 13 | 1983 | 2 |
| 25 C (77 F): Days with min | 1 | 1 | 1983 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 49 | 80 | 1956 | 68 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 49 | 33 | 1956 | 22 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 42 | 9 | 1955 | 3 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 5 | 1 | 1955 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1957.
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).