Grevillia (Grevilla (Summerlan Threshold Days by Year
5 fixed thresholds counted per year at Grevillia (Grevilla (Summerlan (ASN00058115): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Grevillia (Grevilla (Summerlan Thresholds
- Grevillia (Grevilla (Summerlan: days with 10 mm (0.39 in) or more of precipitation in 41 years, most in 1989 with 55.
- Grevillia (Grevilla (Summerlan: days with 25 mm (0.98 in) or more of precipitation in 41 years, most in 1975 with 24.
- Grevillia (Grevilla (Summerlan: days with 50 mm (1.97 in) or more of precipitation in 37 years, most in 1972 with 9.
- Grevillia (Grevilla (Summerlan: days with 100 mm (3.94 in) or more of precipitation in 15 years, most in 1978 with 2.
- 5 fixed thresholds have at least one qualifying day at Grevillia (Grevilla (Summerlan.
Days with 10 mm (0.39 in) or more of precipitation
41 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1966 | 28 | 34 |
| 1967 | 49 | 34 |
| 1968 | 29 | 34 |
| 1969 | 30 | 34 |
| 1970 | 42 | 41.1 |
| 1971 | 40 | 41.1 |
| 1972 | 50 | 41.1 |
| 1973 | 40 | 41.1 |
| 1974 | 42 | 41.1 |
| 1975 | 53 | 41.1 |
| 1976 | 46 | 41.1 |
| 1977 | 24 | 41.1 |
| 1978 | 42 | 41.1 |
| 1979 | 32 | 41.1 |
| 1980 | 30 | 39.7 |
| 1981 | 49 | 39.7 |
| 1982 | 35 | 39.7 |
| 1983 | 51 | 39.7 |
| 1984 | 34 | 39.7 |
| 1985 | 35 | 39.7 |
| 1986 | 23 | 39.7 |
| 1987 | 43 | 39.7 |
| 1988 | 42 | 39.7 |
| 1989 | 55 | 39.7 |
| 1990 | 32 | 35 |
| 1991 | 23 | 35 |
| 1992 | 36 | 35 |
| 1993 | 34 | 35 |
| 1994 | 34 | 35 |
| 1995 | 36 | 35 |
| 1996 | 39 | 35 |
| 1997 | 35 | 35 |
| 1998 | 27 | 35 |
| 1999 | 54 | 35 |
| 2000 | 22 | 29.1 |
| 2001 | 31 | 29.1 |
| 2003 | 31 | 29.1 |
| 2005 | 31 | 29.1 |
| 2006 | 32 | 29.1 |
| 2007 | 24 | 29.1 |
| 2009 | 33 | 29.1 |
| Year | First date | Last date |
|---|---|---|
| 1966 | 1966-02-01 | 1966-12-07 |
| 1967 | 1967-01-05 | 1967-12-20 |
| 1968 | 1968-01-09 | 1968-12-20 |
| 1969 | 1969-01-01 | 1969-12-31 |
| 1970 | 1970-01-01 | 1970-12-30 |
| 1971 | 1971-01-11 | 1971-12-29 |
| 1972 | 1972-01-01 | 1972-12-29 |
| 1973 | 1973-01-04 | 1973-12-21 |
| 1974 | 1974-01-01 | 1974-12-12 |
| 1975 | 1975-01-07 | 1975-12-24 |
| 1976 | 1976-01-15 | 1976-12-25 |
| 1977 | 1977-02-04 | 1977-12-23 |
| 1978 | 1978-01-06 | 1978-12-30 |
| 1979 | 1979-01-19 | 1979-12-25 |
| 1980 | 1980-01-07 | 1980-12-31 |
| 1981 | 1981-01-01 | 1981-12-30 |
| 1982 | 1982-01-06 | 1982-12-30 |
| 1983 | 1983-01-01 | 1983-12-29 |
| 1984 | 1984-01-05 | 1984-12-12 |
| 1985 | 1985-01-09 | 1985-12-27 |
| 1986 | 1986-01-10 | 1986-12-25 |
| 1987 | 1987-01-02 | 1987-12-31 |
| 1988 | 1988-01-01 | 1988-12-28 |
| 1989 | 1989-01-07 | 1989-12-27 |
| 1990 | 1990-01-14 | 1990-12-24 |
| 1991 | 1991-01-06 | 1991-12-31 |
| 1992 | 1992-01-02 | 1992-12-28 |
| 1993 | 1993-01-06 | 1993-11-21 |
| 1994 | 1994-01-15 | 1994-12-26 |
| 1995 | 1995-01-08 | 1995-12-29 |
| 1996 | 1996-01-04 | 1996-12-19 |
| 1997 | 1997-01-27 | 1997-12-28 |
| 1998 | 1998-01-17 | 1998-12-25 |
| 1999 | 1999-01-02 | 1999-12-28 |
| 2000 | 2000-01-13 | 2000-12-29 |
| 2001 | 2001-01-18 | 2001-12-16 |
| 2003 | 2003-02-02 | 2003-11-23 |
| 2005 | 2005-01-07 | 2005-12-29 |
| 2006 | 2006-01-04 | 2006-12-17 |
| 2007 | 2007-01-09 | 2007-12-31 |
| 2009 | 2009-01-02 | 2009-12-30 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 10 mm (0.39 in): Days with 10 mm or more rain | 41 | 55 | 1989 | 33 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 41 | 24 | 1975 | 10 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 37 | 9 | 1972 | 3 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 15 | 2 | 1978 | 1 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 1 | 1 | 2001 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1966.
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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2025-12-31).