St Alban Threshold Days by Year (CA007016800)
16 fixed thresholds counted per year at St Alban (CA007016800): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for St Alban Thresholds
- St Alban: days with a maximum temperature at or above 30 C (86 F) in 34 years, most in 1955 with 19.
- St Alban: days with a maximum temperature at or below 0 C (32 F) in 34 years, most in 1955 with 116.
- St Alban: nights with a minimum temperature at or below 0 C (32 F) in 34 years, most in 1956 with 214.
- St Alban: nights with a minimum temperature at or below -10 C (14 F) in 34 years, most in 1959 with 111.
- 16 fixed thresholds have at least one qualifying day at St Alban.
Days at or above 30 C (86 F)
34 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1950 | 4 | 5.9 |
| 1951 | 1 | 5.9 |
| 1952 | 12 | 5.9 |
| 1953 | 9 | 5.9 |
| 1954 | 1 | 5.9 |
| 1955 | 19 | 5.9 |
| 1956 | 3 | 5.9 |
| 1957 | 2 | 5.9 |
| 1958 | 1 | 5.9 |
| 1959 | 7 | 5.9 |
| 1960 | 3 | 4.4 |
| 1961 | 4 | 4.4 |
| 1962 | 2 | 4.4 |
| 1963 | 14 | 4.4 |
| 1964 | 3 | 4.4 |
| 1965 | 2 | 4.4 |
| 1966 | 3 | 4.4 |
| 1967 | 4 | 4.4 |
| 1968 | 6 | 4.4 |
| 1969 | 3 | 4.4 |
| 1970 | 13 | 5.8 |
| 1971 | 2 | 5.8 |
| 1972 | 3 | 5.8 |
| 1973 | 3 | 5.8 |
| 1974 | 1 | 5.8 |
| 1975 | 11 | 5.8 |
| 1976 | 3 | 5.8 |
| 1977 | 9 | 5.8 |
| 1978 | 7 | 5.8 |
| 1979 | 6 | 5.8 |
| 1980 | 1 | 6 |
| 1981 | 3 | 6 |
| 1982 | 4 | 6 |
| 1983 | 16 | 6 |
| Year | First date | Last date |
|---|---|---|
| 1950 | 1950-05-25 | 1950-07-13 |
| 1951 | 1951-06-20 | 1951-06-20 |
| 1952 | 1952-07-03 | 1952-08-28 |
| 1953 | 1953-06-17 | 1953-09-01 |
| 1954 | 1954-06-25 | 1954-06-25 |
| 1955 | 1955-06-18 | 1955-08-20 |
| 1956 | 1956-06-13 | 1956-06-15 |
| 1957 | 1957-06-23 | 1957-07-18 |
| 1958 | 1958-07-24 | 1958-07-24 |
| 1959 | 1959-06-29 | 1959-07-30 |
| 1960 | 1960-05-28 | 1960-08-19 |
| 1961 | 1961-07-22 | 1961-08-10 |
| 1962 | 1962-05-18 | 1962-05-19 |
| 1963 | 1963-06-24 | 1963-07-29 |
| 1964 | 1964-06-30 | 1964-07-28 |
| 1965 | 1965-06-28 | 1965-08-15 |
| 1966 | 1966-06-27 | 1966-07-03 |
| 1967 | 1967-06-03 | 1967-07-21 |
| 1968 | 1968-07-14 | 1968-07-19 |
| 1969 | 1969-06-27 | 1969-07-17 |
| 1970 | 1970-06-10 | 1970-08-16 |
| 1971 | 1971-05-19 | 1971-06-30 |
| 1972 | 1972-05-23 | 1972-07-21 |
| 1973 | 1973-07-08 | 1973-07-25 |
| 1974 | 1974-08-22 | 1974-08-22 |
| 1975 | 1975-05-23 | 1975-08-10 |
| 1976 | 1976-07-05 | 1976-08-21 |
| 1977 | 1977-05-17 | 1977-08-28 |
| 1978 | 1978-05-27 | 1978-08-15 |
| 1979 | 1979-05-09 | 1979-07-25 |
| 1980 | 1980-06-25 | 1980-06-25 |
| 1981 | 1981-06-16 | 1981-07-10 |
| 1982 | 1982-07-07 | 1982-07-18 |
| 1983 | 1983-06-13 | 1983-09-06 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 34 | 19 | 1955 | 16 |
| 35 C (95 F): Days | 3 | 2 | 1953 | 1 |
| 90 F (32.2 C): Days | 13 | 8 | 1963 | 3 |
| 0 C (32 F): Ice days (max | 34 | 116 | 1955 | 85 |
| 0 C (32 F): Frost days (min | 34 | 214 | 1956 | 191 |
| -10 C (14 F): Days with min | 34 | 111 | 1959 | 79 |
| -20 C (-4 F): Days with min | 34 | 54 | 1959 | 28 |
| -30 C (-22 F): Days with min | 32 | 16 | 1959 | 3 |
| -40 C (-40 F): Days with min | 9 | 3 | 1967 | 1 |
| 20 C (68 F): Tropical nights (min | 18 | 8 | 1973 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 34 | 53 | 1951 | 48 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 34 | 17 | 1954 | 9 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 14 | 2 | 1972 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 1 | 1973 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 34 | 18 | 1971 | 9 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 19 | 3 | 1951 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1950.
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 (2026-10-17).