Calm Downs Threshold Days by Year
4 fixed thresholds counted per year at Calm Downs (ASN00041373): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Calm Downs Thresholds
- Calm Downs: days with 10 mm (0.39 in) or more of precipitation in 39 years, most in 1983 with 35.
- Calm Downs: days with 25 mm (0.98 in) or more of precipitation in 39 years, most in 1988 with 13.
- Calm Downs: days with 50 mm (1.97 in) or more of precipitation in 24 years, most in 1991 with 4.
- Calm Downs: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1996 with 2.
- 4 fixed thresholds have at least one qualifying day at Calm Downs.
Days with 10 mm (0.39 in) or more of precipitation
39 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1961 | 22 | 22.1 |
| 1962 | 27 | 22.1 |
| 1963 | 18 | 22.1 |
| 1964 | 26 | 22.1 |
| 1965 | 17 | 22.1 |
| 1966 | 21 | 22.1 |
| 1967 | 17 | 22.1 |
| 1968 | 27 | 22.1 |
| 1969 | 24 | 22.1 |
| 1970 | 25 | 24.1 |
| 1971 | 24 | 24.1 |
| 1972 | 25 | 24.1 |
| 1973 | 18 | 24.1 |
| 1974 | 21 | 24.1 |
| 1975 | 29 | 24.1 |
| 1976 | 26 | 24.1 |
| 1977 | 23 | 24.1 |
| 1978 | 30 | 24.1 |
| 1979 | 20 | 24.1 |
| 1980 | 15 | 24.6 |
| 1981 | 24 | 24.6 |
| 1982 | 16 | 24.6 |
| 1983 | 35 | 24.6 |
| 1984 | 31 | 24.6 |
| 1985 | 21 | 24.6 |
| 1986 | 23 | 24.6 |
| 1987 | 24 | 24.6 |
| 1988 | 32 | 24.6 |
| 1989 | 25 | 24.6 |
| 1990 | 24 | 21.2 |
| 1991 | 23 | 21.2 |
| 1992 | 21 | 21.2 |
| 1993 | 12 | 21.2 |
| 1994 | 12 | 21.2 |
| 1995 | 29 | 21.2 |
| 1996 | 27 | 21.2 |
| 1997 | 18 | 21.2 |
| 1998 | 25 | 21.2 |
| 1999 | 21 | 21.2 |
| Year | First date | Last date |
|---|---|---|
| 1961 | 1961-01-04 | 1961-12-31 |
| 1962 | 1962-01-01 | 1962-12-31 |
| 1963 | 1963-02-04 | 1963-12-14 |
| 1964 | 1964-01-15 | 1964-11-22 |
| 1965 | 1965-01-04 | 1965-12-15 |
| 1966 | 1966-01-01 | 1966-12-31 |
| 1967 | 1967-01-05 | 1967-12-29 |
| 1968 | 1968-01-05 | 1968-12-26 |
| 1969 | 1969-01-02 | 1969-12-23 |
| 1970 | 1970-01-02 | 1970-12-30 |
| 1971 | 1971-01-25 | 1971-12-28 |
| 1972 | 1972-01-04 | 1972-12-28 |
| 1973 | 1973-01-10 | 1973-12-26 |
| 1974 | 1974-01-09 | 1974-11-27 |
| 1975 | 1975-01-03 | 1975-12-24 |
| 1976 | 1976-01-12 | 1976-12-24 |
| 1977 | 1977-01-12 | 1977-12-20 |
| 1978 | 1978-01-05 | 1978-12-28 |
| 1979 | 1979-01-19 | 1979-11-21 |
| 1980 | 1980-01-02 | 1980-12-29 |
| 1981 | 1981-02-06 | 1981-12-24 |
| 1982 | 1982-01-06 | 1982-12-26 |
| 1983 | 1983-01-02 | 1983-12-24 |
| 1984 | 1984-01-10 | 1984-12-31 |
| 1985 | 1985-01-09 | 1985-12-31 |
| 1986 | 1986-01-04 | 1986-11-30 |
| 1987 | 1987-01-02 | 1987-12-29 |
| 1988 | 1988-01-03 | 1988-12-19 |
| 1989 | 1989-01-05 | 1989-12-14 |
| 1990 | 1990-01-14 | 1990-12-31 |
| 1991 | 1991-01-06 | 1991-12-31 |
| 1992 | 1992-01-09 | 1992-12-27 |
| 1993 | 1993-01-21 | 1993-12-08 |
| 1994 | 1994-01-15 | 1994-12-26 |
| 1995 | 1995-01-07 | 1995-12-24 |
| 1996 | 1996-01-03 | 1996-12-31 |
| 1997 | 1997-01-24 | 1997-12-24 |
| 1998 | 1998-01-05 | 1998-12-21 |
| 1999 | 1999-01-31 | 1999-12-19 |
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 | 39 | 35 | 1983 | 21 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 39 | 13 | 1988 | 8 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 24 | 4 | 1991 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 2 | 2 | 1996 | 2 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1961.
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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2025-12-31).