Cairo 3 S Threshold Days by Year (USC00461328)
17 fixed thresholds counted per year at Cairo 3 S (USC00461328): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Cairo 3 S Thresholds
- Cairo 3 S: days with 10 mm (0.39 in) or more of precipitation in 55 years, most in 1923 with 57.
- Cairo 3 S: days with 25 mm (0.98 in) or more of precipitation in 55 years, most in 1946 with 15.
- Cairo 3 S: days with a maximum temperature at or above 30 C (86 F) in 52 years, most in 1939 with 109.
- Cairo 3 S: days with a maximum temperature at or above 90 F (32.2 C) in 52 years, most in 1936 with 81.
- 17 fixed thresholds have at least one qualifying day at Cairo 3 S.
Days at or above 30 C (86 F)
52 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1904 | 70 | 81 |
| 1906 | 84 | 81 |
| 1908 | 106 | 81 |
| 1909 | 64 | 81 |
| 1911 | 82 | 73.5 |
| 1913 | 73 | 73.5 |
| 1914 | 93 | 73.5 |
| 1915 | 46 | 73.5 |
| 1921 | 87 | 56.8 |
| 1922 | 37 | 56.8 |
| 1923 | 54 | 56.8 |
| 1926 | 49 | 56.8 |
| 1931 | 69 | 86 |
| 1932 | 87 | 86 |
| 1933 | 64 | 86 |
| 1934 | 84 | 86 |
| 1936 | 103 | 86 |
| 1939 | 109 | 86 |
| 1940 | 73 | 76.9 |
| 1941 | 104 | 76.9 |
| 1942 | 79 | 76.9 |
| 1943 | 81 | 76.9 |
| 1944 | 94 | 76.9 |
| 1945 | 76 | 76.9 |
| 1946 | 55 | 76.9 |
| 1947 | 74 | 76.9 |
| 1948 | 56 | 76.9 |
| 1949 | 77 | 76.9 |
| 1951 | 77 | 70.3 |
| 1952 | 75 | 70.3 |
| 1955 | 80 | 70.3 |
| 1956 | 52 | 70.3 |
| 1957 | 74 | 70.3 |
| 1958 | 42 | 70.3 |
| 1959 | 92 | 70.3 |
| 1960 | 53 | 62.4 |
| 1962 | 67 | 62.4 |
| 1963 | 44 | 62.4 |
| 1964 | 70 | 62.4 |
| 1965 | 76 | 62.4 |
| 1966 | 71 | 62.4 |
| 1967 | 49 | 62.4 |
| 1968 | 59 | 62.4 |
| 1969 | 73 | 62.4 |
| 1970 | 88 | 57 |
| 1971 | 66 | 57 |
| 1972 | 38 | 57 |
| 1975 | 60 | 57 |
| 1976 | 40 | 57 |
| 1977 | 69 | 57 |
| 1978 | 58 | 57 |
| 1979 | 37 | 57 |
| Year | First date | Last date |
|---|---|---|
| 1904 | 1904-05-06 | 1904-10-20 |
| 1906 | 1906-04-13 | 1906-09-21 |
| 1908 | 1908-04-24 | 1908-10-19 |
| 1909 | 1909-04-29 | 1909-10-10 |
| 1911 | 1911-05-10 | 1911-09-25 |
| 1913 | 1913-04-24 | 1913-10-11 |
| 1914 | 1914-04-19 | 1914-10-10 |
| 1915 | 1915-04-22 | 1915-09-19 |
| 1921 | 1921-04-25 | 1921-09-24 |
| 1922 | 1922-05-09 | 1922-10-05 |
| 1923 | 1923-05-15 | 1923-09-26 |
| 1926 | 1926-05-01 | 1926-09-08 |
| 1931 | 1931-05-18 | 1931-10-07 |
| 1932 | 1932-05-05 | 1932-10-26 |
| 1933 | 1933-05-20 | 1933-10-01 |
| 1934 | 1934-05-05 | 1934-09-27 |
| 1936 | 1936-04-30 | 1936-09-27 |
| 1939 | 1939-04-24 | 1939-10-10 |
| 1940 | 1940-05-06 | 1940-09-23 |
| 1941 | 1941-04-13 | 1941-10-08 |
| 1942 | 1942-04-26 | 1942-09-19 |
| 1943 | 1943-05-06 | 1943-09-30 |
| 1944 | 1944-05-02 | 1944-09-21 |
| 1945 | 1945-03-26 | 1945-09-29 |
| 1946 | 1946-03-28 | 1946-10-08 |
| 1947 | 1947-04-05 | 1947-10-23 |
| 1948 | 1948-04-25 | 1948-11-05 |
| 1949 | 1949-05-04 | 1949-10-11 |
| 1951 | 1951-04-25 | 1951-10-06 |
| 1952 | 1952-04-21 | 1952-10-01 |
| 1955 | 1955-05-03 | 1955-09-23 |
| 1956 | 1956-04-27 | 1956-09-05 |
| 1957 | 1957-04-19 | 1957-09-19 |
| 1958 | 1958-05-18 | 1958-09-26 |
| 1959 | 1959-05-02 | 1959-10-06 |
| 1960 | 1960-04-23 | 1960-09-09 |
| 1962 | 1962-04-26 | 1962-10-15 |
| 1963 | 1963-05-08 | 1963-09-12 |
| 1964 | 1964-05-05 | 1964-09-22 |
| 1965 | 1965-05-02 | 1965-09-22 |
| 1966 | 1966-05-23 | 1966-09-03 |
| 1967 | 1967-05-27 | 1967-10-03 |
| 1968 | 1968-05-03 | 1968-09-24 |
| 1969 | 1969-04-17 | 1969-10-14 |
| 1970 | 1970-04-30 | 1970-09-26 |
| 1971 | 1971-05-18 | 1971-09-29 |
| 1972 | 1972-05-24 | 1972-09-17 |
| 1975 | 1975-05-20 | 1975-09-05 |
| 1976 | 1976-04-16 | 1976-09-13 |
| 1977 | 1977-04-11 | 1977-09-09 |
| 1978 | 1978-04-10 | 1978-09-22 |
| 1979 | 1979-04-25 | 1979-09-13 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 52 | 109 | 1939 | 37 |
| 35 C (95 F): Days | 43 | 34 | 1936 | 1 |
| 40 C (104 F): Days | 2 | 9 | 1936 | 9 |
| 90 F (32.2 C): Days | 52 | 81 | 1936 | 10 |
| 100 F (37.8 C): Days | 9 | 16 | 1936 | 2 |
| 0 C (32 F): Ice days (max | 52 | 37 | 1979 | 37 |
| 0 C (32 F): Frost days (min | 52 | 153 | 1963 | 122 |
| -10 C (14 F): Days with min | 52 | 45 | 1958 | 25 |
| -20 C (-4 F): Days with min | 29 | 14 | 1977 | 5 |
| -30 C (-22 F): Days with min | 3 | 1 | 1934 | 1 |
| 20 C (68 F): Tropical nights (min | 50 | 21 | 1977 | 15 |
| 25 C (77 F): Days with min | 1 | 1 | 1904 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 55 | 57 | 1923 | 42 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 55 | 15 | 1946 | 7 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 36 | 4 | 1915 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 1 | 1967 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 12 | 3 | 1926 | 2 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1904.
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).