Pismo Beach Threshold Days by Year (USC00046943)
10 fixed thresholds counted per year at Pismo Beach (USC00046943): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Pismo Beach Thresholds
- Pismo Beach: days with 10 mm (0.39 in) or more of precipitation in 48 years, most in 1983 with 28.
- Pismo Beach: days with 25 mm (0.98 in) or more of precipitation in 45 years, most in 1978 with 12.
- Pismo Beach: days with a maximum temperature at or above 30 C (86 F) in 44 years, most in 1958 with 21.
- Pismo Beach: days with a maximum temperature at or above 90 F (32.2 C) in 43 years, most in 1958 with 12.
- 10 fixed thresholds have at least one qualifying day at Pismo Beach.
Days at or above 30 C (86 F)
44 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1950 | 7 | 9 |
| 1951 | 7 | 9 |
| 1952 | 5 | 9 |
| 1953 | 3 | 9 |
| 1954 | 10 | 9 |
| 1955 | 9 | 9 |
| 1956 | 8 | 9 |
| 1957 | 10 | 9 |
| 1958 | 21 | 9 |
| 1959 | 10 | 9 |
| 1960 | 7 | 6.8 |
| 1961 | 7 | 6.8 |
| 1962 | 2 | 6.8 |
| 1964 | 7 | 6.8 |
| 1966 | 9 | 6.8 |
| 1967 | 8 | 6.8 |
| 1968 | 5 | 6.8 |
| 1969 | 9 | 6.8 |
| 1970 | 9 | 7.9 |
| 1971 | 7 | 7.9 |
| 1972 | 9 | 7.9 |
| 1973 | 9 | 7.9 |
| 1974 | 4 | 7.9 |
| 1975 | 3 | 7.9 |
| 1976 | 9 | 7.9 |
| 1977 | 10 | 7.9 |
| 1978 | 11 | 7.9 |
| 1981 | 12 | 11.3 |
| 1982 | 4 | 11.3 |
| 1983 | 9 | 11.3 |
| 1984 | 20 | 11.3 |
| 1985 | 20 | 11.3 |
| 1986 | 6 | 11.3 |
| 1988 | 9 | 11.3 |
| 1989 | 10 | 11.3 |
| 1990 | 7 | 7 |
| 1991 | 3 | 7 |
| 1992 | 9 | 7 |
| 1993 | 7 | 7 |
| 1994 | 6 | 7 |
| 1995 | 8 | 7 |
| 1996 | 9 | 7 |
| 2003 | 8 | 8 |
| 2004 | 8 | 8 |
| Year | First date | Last date |
|---|---|---|
| 1950 | 1950-09-20 | 1950-11-03 |
| 1951 | 1951-03-13 | 1951-11-03 |
| 1952 | 1952-04-16 | 1952-09-25 |
| 1953 | 1953-05-03 | 1953-10-03 |
| 1954 | 1954-04-13 | 1954-10-20 |
| 1955 | 1955-07-07 | 1955-11-09 |
| 1956 | 1956-05-15 | 1956-11-06 |
| 1957 | 1957-06-02 | 1957-07-15 |
| 1958 | 1958-04-15 | 1958-12-11 |
| 1959 | 1959-04-28 | 1959-11-29 |
| 1960 | 1960-05-10 | 1960-09-04 |
| 1961 | 1961-04-02 | 1961-10-15 |
| 1962 | 1962-04-07 | 1962-08-29 |
| 1964 | 1964-09-02 | 1964-10-21 |
| 1966 | 1966-04-14 | 1966-11-01 |
| 1967 | 1967-05-16 | 1967-10-23 |
| 1968 | 1968-05-26 | 1968-09-25 |
| 1969 | 1969-05-29 | 1969-11-27 |
| 1970 | 1970-05-14 | 1970-09-29 |
| 1971 | 1971-06-15 | 1971-10-04 |
| 1972 | 1972-06-11 | 1972-10-06 |
| 1973 | 1973-05-27 | 1973-09-27 |
| 1974 | 1974-06-21 | 1974-06-27 |
| 1975 | 1975-08-28 | 1975-12-08 |
| 1976 | 1976-06-23 | 1976-10-13 |
| 1977 | 1977-06-09 | 1977-10-08 |
| 1978 | 1978-05-13 | 1978-11-05 |
| 1981 | 1981-04-29 | 1981-11-02 |
| 1982 | 1982-06-27 | 1982-09-25 |
| 1983 | 1983-07-10 | 1983-10-27 |
| 1984 | 1984-03-20 | 1984-10-14 |
| 1985 | 1985-02-14 | 1985-11-06 |
| 1986 | 1986-04-21 | 1986-10-26 |
| 1988 | 1988-03-26 | 1988-11-05 |
| 1989 | 1989-04-05 | 1989-11-17 |
| 1990 | 1990-03-21 | 1990-10-11 |
| 1991 | 1991-05-08 | 1991-11-06 |
| 1992 | 1992-04-24 | 1992-10-24 |
| 1993 | 1993-04-29 | 1993-11-03 |
| 1994 | 1994-03-14 | 1994-10-10 |
| 1995 | 1995-02-02 | 1995-10-27 |
| 1996 | 1996-04-26 | 1996-10-16 |
| 2003 | 2003-05-19 | 2003-10-23 |
| 2004 | 2004-03-10 | 2004-06-25 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 44 | 21 | 1958 | 8 |
| 35 C (95 F): Days | 32 | 4 | 1978 | 1 |
| 90 F (32.2 C): Days | 43 | 12 | 1958 | 3 |
| 100 F (37.8 C): Days | 7 | 1 | 1962 | 1 |
| 0 C (32 F): Frost days (min | 31 | 30 | 1988 | 3 |
| 20 C (68 F): Tropical nights (min | 1 | 1 | 1970 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 48 | 28 | 1983 | 12 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 45 | 12 | 1978 | 5 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 21 | 4 | 1991 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 2 | 1 | 1969 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1950.
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).