Morro Bay Fire Dept Threshold Days by Year (USC00045866)
10 fixed thresholds counted per year at Morro Bay Fire Dept (USC00045866): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Morro Bay Fire Dept Thresholds
- Morro Bay Fire Dept: days with 10 mm (0.39 in) or more of precipitation in 60 years, most in 1983 with 32.
- Morro Bay Fire Dept: days with 25 mm (0.98 in) or more of precipitation in 57 years, most in 1978 with 10.
- Morro Bay Fire Dept: days with a maximum temperature at or above 30 C (86 F) in 48 years, most in 1965 with 10.
- Morro Bay Fire Dept: days with a maximum temperature at or above 90 F (32.2 C) in 41 years, most in 1965 with 8.
- 10 fixed thresholds have at least one qualifying day at Morro Bay Fire Dept.
Days at or above 30 C (86 F)
48 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1959 | 7 | 7 |
| 1961 | 6 | 5.4 |
| 1962 | 1 | 5.4 |
| 1964 | 6 | 5.4 |
| 1965 | 10 | 5.4 |
| 1966 | 9 | 5.4 |
| 1967 | 3 | 5.4 |
| 1968 | 7 | 5.4 |
| 1969 | 1 | 5.4 |
| 1970 | 5 | 3 |
| 1971 | 3 | 3 |
| 1972 | 4 | 3 |
| 1973 | 5 | 3 |
| 1974 | 2 | 3 |
| 1976 | 1 | 3 |
| 1977 | 1 | 3 |
| 1978 | 4 | 3 |
| 1979 | 2 | 3 |
| 1980 | 2 | 4.2 |
| 1981 | 3 | 4.2 |
| 1983 | 7 | 4.2 |
| 1984 | 7 | 4.2 |
| 1985 | 4 | 4.2 |
| 1986 | 2 | 4.2 |
| 1987 | 3 | 4.2 |
| 1988 | 6 | 4.2 |
| 1989 | 4 | 4.2 |
| 1990 | 1 | 3.4 |
| 1991 | 2 | 3.4 |
| 1992 | 3 | 3.4 |
| 1993 | 5 | 3.4 |
| 1994 | 4 | 3.4 |
| 1995 | 3 | 3.4 |
| 1996 | 4 | 3.4 |
| 1997 | 7 | 3.4 |
| 1999 | 2 | 3.4 |
| 2001 | 2 | 3 |
| 2002 | 4 | 3 |
| 2003 | 3 | 3 |
| 2004 | 4 | 3 |
| 2005 | 2 | 3 |
| 2006 | 2 | 3 |
| 2009 | 4 | 3 |
| 2010 | 4 | 5.8 |
| 2011 | 6 | 5.8 |
| 2013 | 6 | 5.8 |
| 2014 | 7 | 5.8 |
| 2015 | 6 | 5.8 |
| Year | First date | Last date |
|---|---|---|
| 1959 | 1959-04-01 | 1959-10-23 |
| 1961 | 1961-04-03 | 1961-11-05 |
| 1962 | 1962-08-28 | 1962-08-28 |
| 1964 | 1964-04-14 | 1964-10-21 |
| 1965 | 1965-09-22 | 1965-10-29 |
| 1966 | 1966-04-15 | 1966-10-31 |
| 1967 | 1967-10-13 | 1967-11-02 |
| 1968 | 1968-04-10 | 1968-10-24 |
| 1969 | 1969-10-08 | 1969-10-08 |
| 1970 | 1970-07-01 | 1970-09-29 |
| 1971 | 1971-09-07 | 1971-10-04 |
| 1972 | 1972-09-05 | 1972-10-07 |
| 1973 | 1973-09-26 | 1973-10-27 |
| 1974 | 1974-10-17 | 1974-10-18 |
| 1976 | 1976-01-17 | 1976-01-17 |
| 1977 | 1977-10-09 | 1977-10-09 |
| 1978 | 1978-09-22 | 1978-11-08 |
| 1979 | 1979-09-10 | 1979-09-11 |
| 1980 | 1980-10-02 | 1980-11-04 |
| 1981 | 1981-04-29 | 1981-09-30 |
| 1983 | 1983-07-10 | 1983-10-26 |
| 1984 | 1984-09-07 | 1984-09-29 |
| 1985 | 1985-04-01 | 1985-10-15 |
| 1986 | 1986-04-20 | 1986-10-25 |
| 1987 | 1987-10-03 | 1987-10-05 |
| 1988 | 1988-03-25 | 1988-11-04 |
| 1989 | 1989-04-04 | 1989-11-19 |
| 1990 | 1990-10-10 | 1990-10-10 |
| 1991 | 1991-07-01 | 1991-11-06 |
| 1992 | 1992-04-25 | 1992-10-04 |
| 1993 | 1993-07-05 | 1993-11-02 |
| 1994 | 1994-08-14 | 1994-10-09 |
| 1995 | 1995-02-20 | 1995-10-04 |
| 1996 | 1996-04-28 | 1996-10-05 |
| 1997 | 1997-03-10 | 1997-11-02 |
| 1999 | 1999-10-09 | 1999-10-30 |
| 2001 | 2001-06-07 | 2001-10-12 |
| 2002 | 2002-04-13 | 2002-10-07 |
| 2003 | 2003-05-27 | 2003-10-24 |
| 2004 | 2004-04-26 | 2004-10-12 |
| 2005 | 2005-10-05 | 2005-10-06 |
| 2006 | 2006-09-17 | 2006-11-07 |
| 2009 | 2009-04-19 | 2009-10-16 |
| 2010 | 2010-08-22 | 2010-11-02 |
| 2011 | 2011-03-30 | 2011-10-30 |
| 2013 | 2013-05-03 | 2013-10-16 |
| 2014 | 2014-03-16 | 2014-10-12 |
| 2015 | 2015-07-18 | 2015-10-09 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 48 | 10 | 1965 | 6 |
| 35 C (95 F): Days | 18 | 3 | 1965 | 2 |
| 40 C (104 F): Days | 1 | 1 | 1987 | 1 |
| 90 F (32.2 C): Days | 41 | 8 | 1965 | 2 |
| 100 F (37.8 C): Days | 5 | 2 | 1989 | 1 |
| 0 C (32 F): Frost days (min | 29 | 25 | 1990 | 1 |
| 20 C (68 F): Tropical nights (min | 10 | 18 | 2015 | 18 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 60 | 32 | 1983 | 11 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 57 | 10 | 1978 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 25 | 3 | 2021 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1959.
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).