Farnham Threshold Days by Year (CA007022320)
16 fixed thresholds counted per year at Farnham (CA007022320): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Farnham Thresholds
- Farnham: nights with a minimum temperature at or below 0 C (32 F) in 54 years, most in 1939 with 191.
- Farnham: nights with a minimum temperature at or below -10 C (14 F) in 54 years, most in 1978 with 95.
- Farnham: nights with a minimum temperature at or below -20 C (-4 F) in 54 years, most in 1934 with 45.
- Farnham: days with a maximum temperature at or above 30 C (86 F) in 53 years, most in 1952 with 27.
- 16 fixed thresholds have at least one qualifying day at Farnham.
Days at or above 30 C (86 F)
53 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1918 | 10 | 10.5 |
| 1919 | 11 | 10.5 |
| 1920 | 6 | 8.3 |
| 1921 | 26 | 8.3 |
| 1922 | 5 | 8.3 |
| 1923 | 8 | 8.3 |
| 1924 | 4 | 8.3 |
| 1925 | 9 | 8.3 |
| 1927 | 1 | 8.3 |
| 1928 | 7 | 8.3 |
| 1929 | 9 | 8.3 |
| 1930 | 9 | 10.5 |
| 1931 | 14 | 10.5 |
| 1932 | 5 | 10.5 |
| 1933 | 13 | 10.5 |
| 1934 | 9 | 10.5 |
| 1935 | 11 | 10.5 |
| 1936 | 6 | 10.5 |
| 1937 | 14 | 10.5 |
| 1938 | 14 | 10.5 |
| 1939 | 10 | 10.5 |
| 1952 | 27 | 12.3 |
| 1953 | 12 | 12.3 |
| 1954 | 2 | 12.3 |
| 1955 | 22 | 12.3 |
| 1956 | 2 | 12.3 |
| 1957 | 10 | 12.3 |
| 1958 | 6 | 12.3 |
| 1959 | 17 | 12.3 |
| 1960 | 9 | 6.5 |
| 1961 | 5 | 6.5 |
| 1962 | 2 | 6.5 |
| 1963 | 12 | 6.5 |
| 1964 | 10 | 6.5 |
| 1965 | 3 | 6.5 |
| 1966 | 5 | 6.5 |
| 1967 | 3 | 6.5 |
| 1968 | 9 | 6.5 |
| 1969 | 7 | 6.5 |
| 1970 | 14 | 9.3 |
| 1971 | 6 | 9.3 |
| 1972 | 5 | 9.3 |
| 1973 | 12 | 9.3 |
| 1974 | 2 | 9.3 |
| 1975 | 17 | 9.3 |
| 1976 | 3 | 9.3 |
| 1977 | 8 | 9.3 |
| 1978 | 11 | 9.3 |
| 1979 | 15 | 9.3 |
| 1980 | 5 | 8.3 |
| 1981 | 6 | 8.3 |
| 1982 | 6 | 8.3 |
| 1983 | 16 | 8.3 |
| Year | First date | Last date |
|---|---|---|
| 1918 | 1918-07-21 | 1918-08-23 |
| 1919 | 1919-06-03 | 1919-08-07 |
| 1920 | 1920-06-01 | 1920-09-26 |
| 1921 | 1921-05-21 | 1921-09-02 |
| 1922 | 1922-07-12 | 1922-09-10 |
| 1923 | 1923-06-19 | 1923-08-08 |
| 1924 | 1924-07-06 | 1924-07-12 |
| 1925 | 1925-06-03 | 1925-08-25 |
| 1927 | 1927-06-22 | 1927-06-22 |
| 1928 | 1928-07-03 | 1928-08-28 |
| 1929 | 1929-05-28 | 1929-09-03 |
| 1930 | 1930-05-23 | 1930-09-04 |
| 1931 | 1931-05-27 | 1931-09-13 |
| 1932 | 1932-05-16 | 1932-09-03 |
| 1933 | 1933-06-09 | 1933-08-23 |
| 1934 | 1934-06-05 | 1934-09-03 |
| 1935 | 1935-07-05 | 1935-08-20 |
| 1936 | 1936-05-08 | 1936-07-11 |
| 1937 | 1937-05-31 | 1937-09-03 |
| 1938 | 1938-06-21 | 1938-08-21 |
| 1939 | 1939-06-11 | 1939-09-16 |
| 1952 | 1952-05-24 | 1952-09-29 |
| 1953 | 1953-06-17 | 1953-09-04 |
| 1954 | 1954-06-22 | 1954-08-25 |
| 1955 | 1955-06-18 | 1955-08-22 |
| 1956 | 1956-06-13 | 1956-06-14 |
| 1957 | 1957-06-15 | 1957-09-04 |
| 1958 | 1958-07-01 | 1958-08-31 |
| 1959 | 1959-06-10 | 1959-09-10 |
| 1960 | 1960-06-17 | 1960-09-09 |
| 1961 | 1961-05-15 | 1961-09-04 |
| 1962 | 1962-05-18 | 1962-05-19 |
| 1963 | 1963-06-04 | 1963-07-28 |
| 1964 | 1964-05-23 | 1964-07-28 |
| 1965 | 1965-06-28 | 1965-09-22 |
| 1966 | 1966-06-14 | 1966-08-09 |
| 1967 | 1967-06-03 | 1967-06-05 |
| 1968 | 1968-07-01 | 1968-07-22 |
| 1969 | 1969-06-12 | 1969-08-31 |
| 1970 | 1970-07-09 | 1970-08-16 |
| 1971 | 1971-05-19 | 1971-08-19 |
| 1972 | 1972-06-15 | 1972-07-21 |
| 1973 | 1973-07-07 | 1973-09-05 |
| 1974 | 1974-06-10 | 1974-07-14 |
| 1975 | 1975-05-20 | 1975-08-26 |
| 1976 | 1976-06-10 | 1976-07-06 |
| 1977 | 1977-05-21 | 1977-08-29 |
| 1978 | 1978-05-27 | 1978-08-16 |
| 1979 | 1979-05-09 | 1979-08-02 |
| 1980 | 1980-06-24 | 1980-08-05 |
| 1981 | 1981-06-16 | 1981-07-09 |
| 1982 | 1982-07-07 | 1982-07-18 |
| 1983 | 1983-06-13 | 1983-09-20 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 53 | 27 | 1952 | 16 |
| 35 C (95 F): Days | 3 | 2 | 1921 | 1 |
| 90 F (32.2 C): Days | 33 | 12 | 1921 | 4 |
| 100 F (37.8 C): Days | 1 | 1 | 1921 | 1 |
| 0 C (32 F): Ice days (max | 53 | 94 | 1963 | 62 |
| 0 C (32 F): Frost days (min | 54 | 191 | 1939 | 156 |
| -10 C (14 F): Days with min | 54 | 95 | 1978 | 58 |
| -20 C (-4 F): Days with min | 54 | 45 | 1934 | 15 |
| -30 C (-22 F): Days with min | 47 | 14 | 1934 | 2 |
| -40 C (-40 F): Days with min | 3 | 2 | 1957 | 1 |
| 20 C (68 F): Tropical nights (min | 52 | 20 | 1973 | 8 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 53 | 49 | 1976 | 45 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 53 | 11 | 1976 | 10 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 26 | 3 | 1922 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 52 | 11 | 1939 | 4 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 22 | 3 | 1924 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1918.
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).