Haxby 18 SW Threshold Days by Year (USC00244007)
19 fixed thresholds counted per year at Haxby 18 SW (USC00244007): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Haxby 18 SW Thresholds
- Haxby 18 SW: days with 10 mm (0.39 in) or more of precipitation in 64 years, most in 1927 with 25.
- Haxby 18 SW: days with a maximum temperature at or above 30 C (86 F) in 62 years, most in 1988 with 82.
- Haxby 18 SW: days with a maximum temperature at or above 35 C (95 F) in 62 years, most in 1988 with 42.
- Haxby 18 SW: days with a maximum temperature at or above 90 F (32.2 C) in 62 years, most in 1936 with 60.
- 19 fixed thresholds have at least one qualifying day at Haxby 18 SW.
Days at or above 30 C (86 F)
62 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1923 | 35 | 35 |
| 1924 | 29 | 35 |
| 1925 | 36 | 35 |
| 1926 | 38 | 35 |
| 1927 | 21 | 35 |
| 1928 | 28 | 35 |
| 1929 | 58 | 35 |
| 1930 | 50 | 54.1 |
| 1931 | 59 | 54.1 |
| 1932 | 41 | 54.1 |
| 1933 | 59 | 54.1 |
| 1934 | 56 | 54.1 |
| 1935 | 44 | 54.1 |
| 1936 | 75 | 54.1 |
| 1937 | 59 | 54.1 |
| 1938 | 46 | 54.1 |
| 1939 | 52 | 54.1 |
| 1940 | 53 | 41.7 |
| 1941 | 48 | 41.7 |
| 1942 | 42 | 41.7 |
| 1943 | 36 | 41.7 |
| 1944 | 19 | 41.7 |
| 1945 | 39 | 41.7 |
| 1946 | 42 | 41.7 |
| 1947 | 40 | 41.7 |
| 1948 | 41 | 41.7 |
| 1949 | 57 | 41.7 |
| 1951 | 27 | 37.9 |
| 1952 | 38 | 37.9 |
| 1953 | 31 | 37.9 |
| 1954 | 30 | 37.9 |
| 1955 | 46 | 37.9 |
| 1956 | 37 | 37.9 |
| 1957 | 40 | 37.9 |
| 1958 | 42 | 37.9 |
| 1959 | 50 | 37.9 |
| 1960 | 49 | 46.8 |
| 1961 | 67 | 46.8 |
| 1965 | 28 | 46.8 |
| 1968 | 42 | 46.8 |
| 1969 | 48 | 46.8 |
| 1970 | 62 | 44 |
| 1971 | 49 | 44 |
| 1972 | 39 | 44 |
| 1973 | 39 | 44 |
| 1974 | 41 | 44 |
| 1975 | 31 | 44 |
| 1976 | 49 | 44 |
| 1977 | 45 | 44 |
| 1978 | 34 | 44 |
| 1979 | 51 | 44 |
| 1980 | 58 | 57.3 |
| 1981 | 59 | 57.3 |
| 1982 | 46 | 57.3 |
| 1983 | 58 | 57.3 |
| 1984 | 69 | 57.3 |
| 1985 | 45 | 57.3 |
| 1986 | 53 | 57.3 |
| 1987 | 48 | 57.3 |
| 1988 | 82 | 57.3 |
| 1989 | 55 | 57.3 |
| 1990 | 67 | 67 |
| Year | First date | Last date |
|---|---|---|
| 1923 | 1923-05-25 | 1923-09-20 |
| 1924 | 1924-05-03 | 1924-09-30 |
| 1925 | 1925-05-20 | 1925-09-03 |
| 1926 | 1926-04-29 | 1926-08-30 |
| 1927 | 1927-06-26 | 1927-09-06 |
| 1928 | 1928-05-06 | 1928-09-18 |
| 1929 | 1929-05-24 | 1929-09-20 |
| 1930 | 1930-06-10 | 1930-09-03 |
| 1931 | 1931-05-13 | 1931-09-06 |
| 1932 | 1932-05-13 | 1932-09-08 |
| 1933 | 1933-05-30 | 1933-10-04 |
| 1934 | 1934-05-05 | 1934-10-11 |
| 1935 | 1935-06-08 | 1935-09-22 |
| 1936 | 1936-04-19 | 1936-09-22 |
| 1937 | 1937-05-26 | 1937-09-20 |
| 1938 | 1938-06-12 | 1938-09-24 |
| 1939 | 1939-04-29 | 1939-09-21 |
| 1940 | 1940-05-31 | 1940-09-13 |
| 1941 | 1941-05-12 | 1941-09-18 |
| 1942 | 1942-07-02 | 1942-10-10 |
| 1943 | 1943-06-22 | 1943-10-08 |
| 1944 | 1944-05-29 | 1944-09-07 |
| 1945 | 1945-06-21 | 1945-09-05 |
| 1946 | 1946-05-27 | 1946-09-15 |
| 1947 | 1947-06-19 | 1947-09-12 |
| 1948 | 1948-05-18 | 1948-09-16 |
| 1949 | 1949-04-28 | 1949-09-09 |
| 1951 | 1951-05-22 | 1951-08-22 |
| 1952 | 1952-04-26 | 1952-09-26 |
| 1953 | 1953-05-06 | 1953-10-10 |
| 1954 | 1954-05-19 | 1954-08-31 |
| 1955 | 1955-06-14 | 1955-10-10 |
| 1956 | 1956-05-17 | 1956-09-26 |
| 1957 | 1957-05-02 | 1957-09-07 |
| 1958 | 1958-05-11 | 1958-09-20 |
| 1959 | 1959-06-02 | 1959-09-13 |
| 1960 | 1960-05-12 | 1960-10-06 |
| 1961 | 1961-05-27 | 1961-10-17 |
| 1965 | 1965-05-20 | 1965-08-16 |
| 1968 | 1968-04-30 | 1968-09-14 |
| 1969 | 1969-05-13 | 1969-09-18 |
| 1970 | 1970-06-04 | 1970-10-04 |
| 1971 | 1971-05-13 | 1971-09-11 |
| 1972 | 1972-05-16 | 1972-09-09 |
| 1973 | 1973-05-19 | 1973-08-30 |
| 1974 | 1974-04-25 | 1974-08-18 |
| 1975 | 1975-05-15 | 1975-09-25 |
| 1976 | 1976-05-28 | 1976-09-17 |
| 1977 | 1977-04-26 | 1977-09-08 |
| 1978 | 1978-05-15 | 1978-09-10 |
| 1979 | 1979-06-11 | 1979-09-28 |
| 1980 | 1980-04-20 | 1980-10-08 |
| 1981 | 1981-05-01 | 1981-09-19 |
| 1982 | 1982-05-03 | 1982-09-09 |
| 1983 | 1983-06-10 | 1983-09-27 |
| 1984 | 1984-05-14 | 1984-09-19 |
| 1985 | 1985-05-02 | 1985-09-14 |
| 1986 | 1986-05-20 | 1986-08-31 |
| 1987 | 1987-04-28 | 1987-10-12 |
| 1988 | 1988-05-13 | 1988-09-06 |
| 1989 | 1989-06-19 | 1989-09-30 |
| 1990 | 1990-04-21 | 1990-09-25 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 62 | 82 | 1988 | 67 |
| 35 C (95 F): Days | 62 | 42 | 1988 | 24 |
| 40 C (104 F): Days | 25 | 12 | 1936 | 2 |
| 90 F (32.2 C): Days | 62 | 60 | 1936 | 46 |
| 100 F (37.8 C): Days | 50 | 18 | 1988 | 7 |
| 110 F (43.3 C): Days | 2 | 1 | 1937 | 1 |
| 0 C (32 F): Ice days (max | 62 | 92 | 1978 | 33 |
| 0 C (32 F): Frost days (min | 62 | 210 | 1984 | 195 |
| -10 C (14 F): Days with min | 62 | 109 | 1951 | 67 |
| -20 C (-4 F): Days with min | 62 | 59 | 1978 | 21 |
| -30 C (-22 F): Days with min | 54 | 18 | 1982 | 8 |
| -40 C (-40 F): Days with min | 9 | 2 | 1969 | 1 |
| 20 C (68 F): Tropical nights (min | 36 | 20 | 1936 | 2 |
| 25 C (77 F): Days with min | 2 | 2 | 1936 | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 64 | 25 | 1927 | 4 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 45 | 6 | 1978 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 12 | 1 | 1925 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 42 | 5 | 1971 | 2 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 5 | 1 | 1938 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1923.
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).