Sira Threshold Days by Year (RSM00029756)
6 fixed thresholds counted per year at Sira (RSM00029756): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Sira Thresholds
- Sira: days with 10 mm (0.39 in) or more of precipitation in 58 years, most in 1938 with 11.
- Sira: days with 25 mm (0.98 in) or more of precipitation in 29 years, most in 1938 with 3.
- Sira: days with 50 mm (1.97 in) or more of precipitation in 3 years, most in 1966 with 1.
- Sira: days with a maximum temperature at or above 30 C (86 F) in 1 years, most in 1970 with 6.
- 6 fixed thresholds have at least one qualifying day at Sira.
Days with 10 mm (0.39 in) or more of precipitation
58 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1936 | 6 | 7.3 |
| 1937 | 4 | 7.3 |
| 1938 | 11 | 7.3 |
| 1939 | 8 | 7.3 |
| 1940 | 5 | 5.9 |
| 1941 | 11 | 5.9 |
| 1942 | 4 | 5.9 |
| 1943 | 6 | 5.9 |
| 1944 | 4 | 5.9 |
| 1945 | 1 | 5.9 |
| 1946 | 9 | 5.9 |
| 1947 | 5 | 5.9 |
| 1948 | 6 | 5.9 |
| 1949 | 8 | 5.9 |
| 1950 | 10 | 7.8 |
| 1951 | 5 | 7.8 |
| 1952 | 10 | 7.8 |
| 1953 | 11 | 7.8 |
| 1954 | 12 | 7.8 |
| 1955 | 2 | 7.8 |
| 1956 | 6 | 7.8 |
| 1957 | 11 | 7.8 |
| 1958 | 2 | 7.8 |
| 1959 | 9 | 7.8 |
| 1960 | 5 | 7.1 |
| 1961 | 10 | 7.1 |
| 1962 | 8 | 7.1 |
| 1963 | 7 | 7.1 |
| 1964 | 7 | 7.1 |
| 1966 | 5 | 7.1 |
| 1967 | 7 | 7.1 |
| 1968 | 7 | 7.1 |
| 1969 | 8 | 7.1 |
| 1970 | 8 | 5.8 |
| 1971 | 7 | 5.8 |
| 1972 | 9 | 5.8 |
| 1973 | 2 | 5.8 |
| 1974 | 5 | 5.8 |
| 1975 | 1 | 5.8 |
| 1976 | 5 | 5.8 |
| 1977 | 8 | 5.8 |
| 1978 | 6 | 5.8 |
| 1979 | 7 | 5.8 |
| 1980 | 10 | 6.7 |
| 1981 | 5 | 6.7 |
| 1982 | 5 | 6.7 |
| 1983 | 2 | 6.7 |
| 1984 | 7 | 6.7 |
| 1985 | 4 | 6.7 |
| 1986 | 8 | 6.7 |
| 1988 | 13 | 6.7 |
| 1989 | 6 | 6.7 |
| 1990 | 7 | 7.5 |
| 1991 | 7 | 7.5 |
| 1992 | 7 | 7.5 |
| 1994 | 14 | 7.5 |
| 1995 | 6 | 7.5 |
| 1996 | 4 | 7.5 |
| Year | First date | Last date |
|---|---|---|
| 1936 | 1936-06-04 | 1936-08-14 |
| 1937 | 1937-06-13 | 1937-07-26 |
| 1938 | 1938-04-16 | 1938-10-06 |
| 1939 | 1939-06-19 | 1939-08-26 |
| 1940 | 1940-06-22 | 1940-09-20 |
| 1941 | 1941-05-02 | 1941-07-29 |
| 1942 | 1942-05-13 | 1942-08-07 |
| 1943 | 1943-06-15 | 1943-08-27 |
| 1944 | 1944-05-27 | 1944-07-20 |
| 1945 | 1945-07-19 | 1945-07-19 |
| 1946 | 1946-06-29 | 1946-09-28 |
| 1947 | 1947-04-07 | 1947-09-12 |
| 1948 | 1948-06-12 | 1948-08-09 |
| 1949 | 1949-04-22 | 1949-08-29 |
| 1950 | 1950-05-03 | 1950-10-11 |
| 1951 | 1951-07-13 | 1951-08-19 |
| 1952 | 1952-06-19 | 1952-10-17 |
| 1953 | 1953-06-24 | 1953-09-20 |
| 1954 | 1954-06-25 | 1954-11-18 |
| 1955 | 1955-09-25 | 1955-09-26 |
| 1956 | 1956-06-12 | 1956-07-14 |
| 1957 | 1957-05-26 | 1957-09-02 |
| 1958 | 1958-04-26 | 1958-07-07 |
| 1959 | 1959-05-12 | 1959-08-21 |
| 1960 | 1960-06-27 | 1960-07-29 |
| 1961 | 1961-05-07 | 1961-09-01 |
| 1962 | 1962-04-22 | 1962-09-07 |
| 1963 | 1963-02-28 | 1963-08-25 |
| 1964 | 1964-06-05 | 1964-09-06 |
| 1966 | 1966-04-23 | 1966-09-03 |
| 1967 | 1967-06-13 | 1967-08-01 |
| 1968 | 1968-05-12 | 1968-11-29 |
| 1969 | 1969-04-30 | 1969-09-13 |
| 1970 | 1970-05-11 | 1970-10-01 |
| 1971 | 1971-04-20 | 1971-09-19 |
| 1972 | 1972-06-01 | 1972-08-04 |
| 1973 | 1973-07-15 | 1973-08-04 |
| 1974 | 1974-05-15 | 1974-09-03 |
| 1975 | 1975-06-05 | 1975-06-05 |
| 1976 | 1976-06-17 | 1976-08-23 |
| 1977 | 1977-04-12 | 1977-10-19 |
| 1978 | 1978-06-08 | 1978-08-12 |
| 1979 | 1979-01-02 | 1979-08-18 |
| 1980 | 1980-04-16 | 1980-09-01 |
| 1981 | 1981-07-25 | 1981-10-01 |
| 1982 | 1982-06-08 | 1982-08-21 |
| 1983 | 1983-06-14 | 1983-06-16 |
| 1984 | 1984-06-16 | 1984-10-21 |
| 1985 | 1985-04-28 | 1985-08-22 |
| 1986 | 1986-05-13 | 1986-09-03 |
| 1988 | 1988-05-13 | 1988-08-25 |
| 1989 | 1989-06-01 | 1989-12-02 |
| 1990 | 1990-03-29 | 1990-08-09 |
| 1991 | 1991-06-13 | 1991-08-14 |
| 1992 | 1992-07-22 | 1992-09-28 |
| 1994 | 1994-03-31 | 1994-09-05 |
| 1995 | 1995-07-29 | 1995-09-11 |
| 1996 | 1996-06-14 | 1996-09-10 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 1 | 6 | 1970 | 6 |
| 90 F (32.2 C): Days | 1 | 2 | 1970 | 2 |
| 0 C (32 F): Ice days (max | 1 | 121 | 1970 | 121 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 58 | 11 | 1938 | 4 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 29 | 3 | 1938 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 3 | 1 | 1966 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1970.
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).