Durham Weather Records (CA006112171)
Record envelope, standing records and threshold days for Durham (CA006112171), Ontario, Canada, with 122 years of record.
Key Facts for Durham
- Durham (CA006112171) is a weather station in Ontario, Canada at 44.18 latitude and -80.82 longitude, 384 m (1,260 ft) above sea level.
- The station reports from 1882 to 2003, 122 years of record.
- 1,464 records set at Durham still stand.
- Records are tracked for tmax, tmin, prcp, snow: an element needs 30 years of data to be eligible.
- Durham set a daily record low maximum temperature of -17.5 C (0.5 F) on 24 December 1983.
About the Station
- Location: Ontario, Canada, 44.18 latitude, -80.82 longitude.
- Elevation: 384 m (1,260 ft).
- Period of record: 1882 to 2003, 122 years.
- Eligible elements: tmax, tmin, prcp, snow.
Daily Record Envelope and 2026
0 days at or beyond a record| Month | Highest record high | Lowest record low | 2026 highest maximum | 2026 lowest minimum |
|---|---|---|---|---|
| Jan | 15.6 C (60.1 F) | -35.6 C (-32.1 F) | n/a | n/a |
| Feb | 12.8 C (55.0 F) | -34.4 C (-29.9 F) | n/a | n/a |
| Mar | 23.3 C (73.9 F) | -32.5 C (-26.5 F) | n/a | n/a |
| Apr | 27.8 C (82.0 F) | -20.0 C (-4.0 F) | n/a | n/a |
| May | 33.3 C (91.9 F) | -6.1 C (21.0 F) | n/a | n/a |
| Jun | 33.9 C (93.0 F) | -3.3 C (26.1 F) | n/a | n/a |
| Jul | 37.8 C (100.0 F) | -1.1 C (30.0 F) | n/a | n/a |
| Aug | 35.6 C (96.1 F) | -1.1 C (30.0 F) | n/a | n/a |
| Sep | 35.0 C (95.0 F) | -3.9 C (25.0 F) | n/a | n/a |
| Oct | 29.4 C (84.9 F) | -11.1 C (12.0 F) | n/a | n/a |
| Nov | 22.2 C (72.0 F) | -20.0 C (-4.0 F) | n/a | n/a |
| Dec | 18.0 C (64.4 F) | -30.0 C (-22.0 F) | n/a | n/a |
Which Years Hold Standing Records
1,464 standing records| Year set | Standing records |
|---|---|
| 1882 | 9 |
| 1883 | 37 |
| 1884 | 36 |
| 1885 | 50 |
| 1886 | 38 |
| 1887 | 28 |
| 1888 | 41 |
| 1889 | 27 |
| 1890 | 22 |
| 1891 | 32 |
| 1892 | 15 |
| 1893 | 15 |
| 1894 | 36 |
| 1895 | 67 |
| 1896 | 33 |
| 1897 | 21 |
| 1898 | 27 |
| 1899 | 32 |
| 1900 | 46 |
| 1901 | 14 |
| 1935 | 4 |
| 1936 | 35 |
| 1937 | 4 |
| 1948 | 24 |
| 1949 | 34 |
| 1950 | 33 |
| 1951 | 25 |
| 1952 | 20 |
| 1953 | 21 |
| 1954 | 21 |
| 1955 | 32 |
| 1956 | 22 |
| 1957 | 20 |
| 1958 | 24 |
| 1959 | 25 |
| 1960 | 13 |
| 1961 | 15 |
| 1962 | 18 |
| 1963 | 28 |
| 1964 | 30 |
| 1965 | 39 |
| 1966 | 16 |
| 1967 | 2 |
| 1968 | 9 |
| 1969 | 16 |
| 1970 | 14 |
| 1971 | 18 |
| 1972 | 13 |
| 1973 | 33 |
| 1974 | 19 |
| 1975 | 21 |
| 1976 | 26 |
| 1977 | 26 |
| 1978 | 19 |
| 1979 | 28 |
| 1980 | 18 |
| 1981 | 28 |
| 1982 | 25 |
| 1983 | 20 |
All-Time Record Progression
4 new records| Date | Kind | Detail |
|---|---|---|
| 1959-09-08 | Record high minimum temperature | Record high minimum temperature 24.4 C (75.9 F) |
| 1961-06-01 | Record daily precipitation | Record daily precipitation 85.9 mm (3.4 in) |
| 1973-07-08 | Record high minimum temperature | Record high minimum temperature 25.0 C (77.0 F) |
| 1977-01-18 | Record low minimum temperature | Record low minimum temperature -35.6 C (-32.1 F) |
Wettest Day of Each Month
Jun: 85.9 mm (3.4 in)| Month | Record daily precipitation (mm) | Date |
|---|---|---|
| Jan | 55.9 mm (2.2 in) | 21 January 1937 |
| Feb | 35.6 mm (1.4 in) | 20 February 1890 |
| Mar | 66.0 mm (2.6 in) | 13 March 1891 |
| Apr | 51.3 mm (2.0 in) | 27 April 1956 |
| May | 50.0 mm (2.0 in) | 23 May 1955 |
| Jun | 85.9 mm (3.4 in) | 1 June 1961 |
| Jul | 69.3 mm (2.7 in) | 4 July 1953 |
| Aug | 73.9 mm (2.9 in) | 23 August 1954 |
| Sep | 85.5 mm (3.4 in) | 20 September 1983 |
| Oct | 78.5 mm (3.1 in) | 15 October 1954 |
| Nov | 59.9 mm (2.4 in) | 8 November 1888 |
| Dec | 76.2 mm (3.0 in) | 16 December 1893 |
Period of Record Coverage
1882 to 1983| Year | Days with data | Share of year | Complete |
|---|---|---|---|
| 1882 | 122 | 33% | No |
| 1883 | 365 | 100% | Yes |
| 1884 | 364 | 99% | Yes |
| 1885 | 363 | 99% | Yes |
| 1886 | 362 | 99% | Yes |
| 1887 | 361 | 99% | Yes |
| 1888 | 364 | 99% | Yes |
| 1889 | 357 | 98% | Yes |
| 1890 | 363 | 99% | Yes |
| 1891 | 365 | 100% | Yes |
| 1892 | 364 | 99% | Yes |
| 1893 | 362 | 99% | Yes |
| 1894 | 361 | 99% | Yes |
| 1895 | 362 | 99% | Yes |
| 1896 | 365 | 100% | Yes |
| 1897 | 365 | 100% | Yes |
| 1898 | 365 | 100% | Yes |
| 1899 | 363 | 99% | Yes |
| 1900 | 365 | 100% | Yes |
| 1901 | 268 | 73% | No |
| 1935 | 122 | 33% | No |
| 1936 | 363 | 99% | Yes |
| 1937 | 149 | 41% | No |
| 1947 | 56 | 15% | No |
| 1948 | 364 | 99% | Yes |
| 1949 | 365 | 100% | Yes |
| 1950 | 365 | 100% | Yes |
| 1951 | 364 | 100% | Yes |
| 1952 | 366 | 100% | Yes |
| 1953 | 365 | 100% | Yes |
| 1954 | 365 | 100% | Yes |
| 1955 | 365 | 100% | Yes |
| 1956 | 366 | 100% | Yes |
| 1957 | 365 | 100% | Yes |
| 1958 | 365 | 100% | Yes |
| 1959 | 365 | 100% | Yes |
| 1960 | 366 | 100% | Yes |
| 1961 | 365 | 100% | Yes |
| 1962 | 363 | 99% | Yes |
| 1963 | 365 | 100% | Yes |
| 1964 | 366 | 100% | Yes |
| 1965 | 344 | 94% | Yes |
| 1966 | 261 | 72% | No |
| 1967 | 29 | 8% | No |
| 1968 | 167 | 46% | No |
| 1969 | 266 | 73% | No |
| 1970 | 342 | 94% | Yes |
| 1971 | 309 | 85% | No |
| 1972 | 285 | 78% | No |
| 1973 | 321 | 88% | No |
| 1974 | 331 | 91% | Yes |
| 1975 | 348 | 95% | Yes |
| 1976 | 339 | 93% | Yes |
| 1977 | 344 | 94% | Yes |
| 1978 | 303 | 83% | No |
| 1979 | 326 | 89% | No |
| 1980 | 313 | 86% | No |
| 1981 | 351 | 96% | Yes |
| 1982 | 363 | 99% | Yes |
| 1983 | 363 | 99% | Yes |
Latest Records
20| Date | Station | Record | Value | Beat old record by | Old record stood | Significance |
|---|---|---|---|---|---|---|
| 24 December 1983 | Durham, CA | daily low max | -17.5 C (0.5 F) | 5.3 C (9.5 F) | 13 years | 23 of 100 (Routine) |
| 21 December 1983 | Durham, CA | daily low min | -24.0 C (-11.2 F) | 1.8 C (3.2 F) | 24 years | 19 of 100 (Routine) |
| 6 December 1983 | Durham, CA | daily snowfall | 18.0 cm (7.1 in) | 2.8 cm (1.1 in) | 97 years | 43 of 100 (Notable) |
| 18 November 1983 | Durham, CA | daily low min | -14.0 C (6.8 F) | 1.8 C (3.2 F) | 100 years | 43 of 100 (Notable) |
| 16 November 1983 | Durham, CA | daily snowfall | 16.0 cm (6.3 in) | 0.8 cm (0.3 in) | 82 years | 35 of 100 (Notable) |
| 13 November 1983 | Durham, CA | daily low min | -12.0 C (10.4 F) | 3.7 C (6.7 F) | 5 years | 18 of 100 (Routine) |
| 10 November 1983 | Durham, CA | daily high max | 15.0 C (59.0 F) | 0.6 C (1.1 F) | 48 years | 25 of 100 (Routine) |
| 20 September 1983 | Durham, CA | monthly rain | 85.5 mm (3.4 in) | 17.9 mm (0.7 in) | 23 years | 44 of 100 (Notable) |
| 21 August 1983 | Durham, CA | daily rain | 48.5 mm (1.9 in) | 19.3 mm (0.8 in) | 46 years | 40 of 100 (Notable) |
| 29 July 1983 | Durham, CA | daily high min | 22.5 C (72.5 F) | 1.9 C (3.4 F) | 33 years | 24 of 100 (Routine) |
| 16 July 1983 | Durham, CA | daily high min | 24.5 C (76.1 F) | 3.4 C (6.1 F) | 82 years | 41 of 100 (Notable) |
| 15 July 1983 | Durham, CA | daily high min | 24.5 C (76.1 F) | 1.7 C (3.1 F) | 14 years | 17 of 100 (Routine) |
| 7 July 1983 | Durham, CA | daily low min | 4.0 C (39.2 F) | 0.4 C (0.7 F) | 22 years | 16 of 100 (Routine) |
| 5 July 1983 | Durham, CA | daily low max | 15.0 C (59.0 F) | 1.7 C (3.1 F) | 91 years | 41 of 100 (Notable) |
| 14 June 1983 | Durham, CA | daily high max (Tie) | 30.0 C (86.0 F) | tie | 91 years | 9 of 100 (Routine) |
| 26 May 1983 | Durham, CA | daily low max | 5.0 C (41.0 F) | 0.6 C (1.1 F) | 21 years | 16 of 100 (Routine) |
| 7 May 1983 | Durham, CA | daily rain | 19.6 mm (0.8 in) | 0.3 mm (0.01 in) | 20 years | 16 of 100 (Routine) |
| 30 April 1983 | Durham, CA | daily rain | 20.0 mm (0.8 in) | 6.5 mm (0.26 in) | 22 years | 20 of 100 (Routine) |
| 9 April 1983 | Durham, CA | daily rain | 17.0 mm (0.7 in) | 5.1 mm (0.20 in) | 16 years | 20 of 100 (Routine) |
| 17 March 1983 | Durham, CA | daily high max | 14.0 C (57.2 F) | 0.7 C (1.3 F) | 93 years | 39 of 100 (Notable) |
Climate Trend
44 complete years, 1883 to 1983| Year | Annual mean temperature | Difference from the station mean |
|---|---|---|
| 1883 | 4.2 C | -1.62 C |
| 1884 | 5.6 C | -0.17 C |
| 1885 | 4.1 C | -1.67 C |
| 1886 | 5.7 C | -0.13 C |
| 1887 | 5.8 C | -0.01 C |
| 1888 | 4.5 C | -1.29 C |
| 1889 | 6.3 C | +0.45 C |
| 1890 | 5.8 C | +0.02 C |
| 1891 | 6.4 C | +0.63 C |
| 1892 | 5.5 C | -0.31 C |
| 1893 | 5.0 C | -0.84 C |
| 1894 | 6.7 C | +0.86 C |
| 1895 | 5.4 C | -0.44 C |
| 1896 | 6.0 C | +0.24 C |
| 1897 | 6.3 C | +0.45 C |
| 1898 | 6.6 C | +0.76 C |
| 1899 | 5.6 C | -0.20 C |
| 1900 | 6.4 C | +0.61 C |
| 1936 | 6.7 C | +0.89 C |
| 1948 | 6.2 C | +0.38 C |
| 1949 | 6.8 C | +1.02 C |
| 1950 | 4.6 C | -1.24 C |
| 1951 | 5.8 C | +0.00 C |
| 1952 | 6.4 C | +0.61 C |
| 1953 | 6.9 C | +1.07 C |
| 1954 | 5.5 C | -0.31 C |
| 1955 | 6.6 C | +0.79 C |
| 1956 | 5.5 C | -0.35 C |
| 1957 | 5.8 C | +0.00 C |
| 1958 | 5.0 C | -0.78 C |
| 1959 | 5.9 C | +0.05 C |
| 1960 | 5.5 C | -0.26 C |
| 1961 | 6.0 C | +0.23 C |
| 1962 | 5.6 C | -0.21 C |
| 1963 | 5.3 C | -0.54 C |
| 1964 | 6.4 C | +0.60 C |
| 1970 | 5.5 C | -0.33 C |
| 1974 | 5.8 C | +0.03 C |
| 1975 | 6.3 C | +0.48 C |
| 1976 | 5.2 C | -0.56 C |
| 1977 | 5.9 C | +0.13 C |
| 1981 | 5.9 C | +0.05 C |
| 1982 | 5.9 C | +0.05 C |
| 1983 | 6.5 C | +0.69 C |
The fitted trend in annual mean temperature here over 1883 to 1983 is 0.04 C (-0.02 to 0.09) per decade. The interval includes zero, so the trend is not clearly different from zero. In Fahrenheit: 0.06 F (-0.04 to 0.16) per decade. The slope is a straight line fitted to 44 complete years; the brackets give its 95 percent interval.
| Measure | Per decade (C) | Per decade (F) | Period | Complete years | Reading |
|---|---|---|---|---|---|
| Annual mean temperature | 0.04 C (-0.02 to 0.09) per decade | 0.06 F (-0.04 to 0.16) per decade | 1883 to 1983 | 44 | Not clearly different from zero |
| Mean daily maximum | 0.1 C (0.0 to 0.1) per decade | 0.1 F (0.0 to 0.2) per decade | 1883 to 1983 | 44 | Not clearly different from zero |
| Mean daily minimum | 0.00 C (-0.05 to 0.06) per decade | 0.00 F (-0.09 to 0.10) per decade | 1883 to 1983 | 44 | Not clearly different from zero |
A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.
Extremes by Year
1882 to 1983| Measure | Record | Year of the record | Median year | Years with a value |
|---|---|---|---|---|
| Hottest day (TXx) | 37.8 C (100.0 F) | 1936 | 32.2 C (90.0 F) | 60 |
| Coldest night (TNn) | -35.6 C (-32.1 F) | 1977 | -27.8 C (-18.0 F) | 60 |
| Wettest day (Rx1day) | 85.9 mm (3.4 in) | 1961 | 46.4 mm (1.8 in) | 62 |
| Wettest five days (Rx5day) | 140.4 mm (5.5 in) | 1953 | 76.0 mm (3.0 in) | 62 |
| Longest dry spell (CDD) | 33 days | 1966 | 15 days | 62 |
Hottest day (TXx)
| Year | Hottest day (TXx) |
|---|---|
| 1882 | 29.4 C (84.9 F) |
| 1883 | 30.0 C (86.0 F) |
| 1884 | 33.3 C (91.9 F) |
| 1885 | 32.2 C (90.0 F) |
| 1886 | 32.2 C (90.0 F) |
| 1887 | 33.3 C (91.9 F) |
| 1888 | 33.3 C (91.9 F) |
| 1889 | 32.2 C (90.0 F) |
| 1890 | 30.6 C (87.1 F) |
| 1891 | 32.8 C (91.0 F) |
| 1892 | 31.1 C (88.0 F) |
| 1893 | 32.8 C (91.0 F) |
| 1894 | 35.0 C (95.0 F) |
| 1895 | 34.4 C (93.9 F) |
| 1896 | 33.3 C (91.9 F) |
| 1897 | 35.0 C (95.0 F) |
| 1898 | 32.2 C (90.0 F) |
| 1899 | 33.3 C (91.9 F) |
| 1900 | 34.4 C (93.9 F) |
| 1901 | 34.4 C (93.9 F) |
| 1927 | n/a |
| 1928 | n/a |
| 1935 | 28.3 C (82.9 F) |
| 1936 | 37.8 C (100.0 F) |
| 1937 | 30.0 C (86.0 F) |
| 1947 | 12.2 C (54.0 F) |
| 1948 | 33.9 C (93.0 F) |
| 1949 | 35.0 C (95.0 F) |
| 1950 | 29.4 C (84.9 F) |
| 1951 | 31.1 C (88.0 F) |
| 1952 | 34.4 C (93.9 F) |
| 1953 | 35.0 C (95.0 F) |
| 1954 | 31.7 C (89.1 F) |
| 1955 | 35.6 C (96.1 F) |
| 1956 | 31.1 C (88.0 F) |
| 1957 | 32.2 C (90.0 F) |
| 1958 | 31.1 C (88.0 F) |
| 1959 | 31.7 C (89.1 F) |
| 1960 | 33.3 C (91.9 F) |
| 1961 | 30.0 C (86.0 F) |
| 1962 | 31.1 C (88.0 F) |
| 1963 | 33.3 C (91.9 F) |
| 1964 | 32.8 C (91.0 F) |
| 1965 | 32.8 C (91.0 F) |
| 1966 | 33.3 C (91.9 F) |
| 1967 | 21.1 C (70.0 F) |
| 1968 | 32.2 C (90.0 F) |
| 1969 | 30.6 C (87.1 F) |
| 1970 | 30.6 C (87.1 F) |
| 1971 | 31.1 C (88.0 F) |
| 1972 | 31.1 C (88.0 F) |
| 1973 | 32.8 C (91.0 F) |
| 1974 | 32.2 C (90.0 F) |
| 1975 | 32.8 C (91.0 F) |
| 1976 | 30.6 C (87.1 F) |
| 1977 | 33.3 C (91.9 F) |
| 1978 | 31.0 C (87.8 F) |
| 1979 | 31.0 C (87.8 F) |
| 1980 | 29.0 C (84.2 F) |
| 1981 | 30.0 C (86.0 F) |
| 1982 | 29.5 C (85.1 F) |
| 1983 | 31.5 C (88.7 F) |
Coldest night (TNn)
| Year | Coldest night (TNn) |
|---|---|
| 1882 | -20.6 C (-5.1 F) |
| 1883 | -25.6 C (-14.1 F) |
| 1884 | -29.4 C (-20.9 F) |
| 1885 | -30.6 C (-23.1 F) |
| 1886 | -31.7 C (-25.1 F) |
| 1887 | -26.1 C (-15.0 F) |
| 1888 | -29.4 C (-20.9 F) |
| 1889 | -26.1 C (-15.0 F) |
| 1890 | -23.3 C (-9.9 F) |
| 1891 | -23.3 C (-9.9 F) |
| 1892 | -23.9 C (-11.0 F) |
| 1893 | -27.8 C (-18.0 F) |
| 1894 | -31.7 C (-25.1 F) |
| 1895 | -34.4 C (-29.9 F) |
| 1896 | -32.2 C (-26.0 F) |
| 1897 | -24.4 C (-11.9 F) |
| 1898 | -26.1 C (-15.0 F) |
| 1899 | -34.4 C (-29.9 F) |
| 1900 | -30.0 C (-22.0 F) |
| 1901 | -26.1 C (-15.0 F) |
| 1927 | n/a |
| 1928 | n/a |
| 1935 | -23.3 C (-9.9 F) |
| 1936 | -29.4 C (-20.9 F) |
| 1937 | -25.6 C (-14.1 F) |
| 1947 | -21.1 C (-6.0 F) |
| 1948 | -32.2 C (-26.0 F) |
| 1949 | -23.3 C (-9.9 F) |
| 1950 | -27.2 C (-17.0 F) |
| 1951 | -27.8 C (-18.0 F) |
| 1952 | -27.8 C (-18.0 F) |
| 1953 | -25.6 C (-14.1 F) |
| 1954 | -27.8 C (-18.0 F) |
| 1955 | -28.9 C (-20.0 F) |
| 1956 | -24.4 C (-11.9 F) |
| 1957 | -27.8 C (-18.0 F) |
| 1958 | -30.0 C (-22.0 F) |
| 1959 | -30.0 C (-22.0 F) |
| 1960 | -25.0 C (-13.0 F) |
| 1961 | -32.2 C (-26.0 F) |
| 1962 | -29.4 C (-20.9 F) |
| 1963 | -32.8 C (-27.0 F) |
| 1964 | -24.4 C (-11.9 F) |
| 1965 | -31.1 C (-24.0 F) |
| 1966 | -29.4 C (-20.9 F) |
| 1967 | -9.4 C (15.1 F) |
| 1968 | -6.1 C (21.0 F) |
| 1969 | -26.7 C (-16.1 F) |
| 1970 | -31.1 C (-24.0 F) |
| 1971 | -23.9 C (-11.0 F) |
| 1972 | -24.4 C (-11.9 F) |
| 1973 | -30.0 C (-22.0 F) |
| 1974 | -31.1 C (-24.0 F) |
| 1975 | -26.7 C (-16.1 F) |
| 1976 | -33.9 C (-29.0 F) |
| 1977 | -35.6 C (-32.1 F) |
| 1978 | -27.2 C (-17.0 F) |
| 1979 | -34.0 C (-29.2 F) |
| 1980 | -32.5 C (-26.5 F) |
| 1981 | -31.5 C (-24.7 F) |
| 1982 | -29.0 C (-20.2 F) |
| 1983 | -27.5 C (-17.5 F) |
Wettest day (Rx1day)
| Year | Wettest day (Rx1day) |
|---|---|
| 1882 | 30.5 mm (1.2 in) |
| 1883 | 30.5 mm (1.2 in) |
| 1884 | 45.7 mm (1.8 in) |
| 1885 | 51.8 mm (2.0 in) |
| 1886 | 40.6 mm (1.6 in) |
| 1887 | 55.9 mm (2.2 in) |
| 1888 | 59.9 mm (2.4 in) |
| 1889 | 35.6 mm (1.4 in) |
| 1890 | 50.8 mm (2.0 in) |
| 1891 | 66.0 mm (2.6 in) |
| 1892 | 50.8 mm (2.0 in) |
| 1893 | 76.2 mm (3.0 in) |
| 1894 | 30.5 mm (1.2 in) |
| 1895 | 40.6 mm (1.6 in) |
| 1896 | 30.5 mm (1.2 in) |
| 1897 | 76.2 mm (3.0 in) |
| 1898 | 33.0 mm (1.3 in) |
| 1899 | 25.7 mm (1.0 in) |
| 1900 | 38.1 mm (1.5 in) |
| 1901 | 27.4 mm (1.1 in) |
| 1927 | 14.2 mm (0.6 in) |
| 1928 | 40.6 mm (1.6 in) |
| 1935 | 38.1 mm (1.5 in) |
| 1936 | 46.2 mm (1.8 in) |
| 1937 | 55.9 mm (2.2 in) |
| 1947 | 20.3 mm (0.8 in) |
| 1948 | 70.1 mm (2.8 in) |
| 1949 | 50.8 mm (2.0 in) |
| 1950 | 35.1 mm (1.4 in) |
| 1951 | 67.3 mm (2.6 in) |
| 1952 | 32.3 mm (1.3 in) |
| 1953 | 69.3 mm (2.7 in) |
| 1954 | 78.5 mm (3.1 in) |
| 1955 | 62.0 mm (2.4 in) |
| 1956 | 51.3 mm (2.0 in) |
| 1957 | 59.2 mm (2.3 in) |
| 1958 | 40.4 mm (1.6 in) |
| 1959 | 47.8 mm (1.9 in) |
| 1960 | 67.6 mm (2.7 in) |
| 1961 | 85.9 mm (3.4 in) |
| 1962 | 27.9 mm (1.1 in) |
| 1963 | 35.8 mm (1.4 in) |
| 1964 | 41.1 mm (1.6 in) |
| 1965 | 61.5 mm (2.4 in) |
| 1966 | 33.0 mm (1.3 in) |
| 1967 | 21.8 mm (0.9 in) |
| 1968 | 51.8 mm (2.0 in) |
| 1969 | 37.6 mm (1.5 in) |
| 1970 | 37.1 mm (1.5 in) |
| 1971 | 59.2 mm (2.3 in) |
| 1972 | 43.2 mm (1.7 in) |
| 1973 | 38.1 mm (1.5 in) |
| 1974 | 46.5 mm (1.8 in) |
| 1975 | 69.1 mm (2.7 in) |
| 1976 | 41.7 mm (1.6 in) |
| 1977 | 63.5 mm (2.5 in) |
| 1978 | 54.0 mm (2.1 in) |
| 1979 | 50.6 mm (2.0 in) |
| 1980 | 56.0 mm (2.2 in) |
| 1981 | 37.1 mm (1.5 in) |
| 1982 | 64.9 mm (2.6 in) |
| 1983 | 85.5 mm (3.4 in) |
Wettest five days (Rx5day)
| Year | Wettest five days (Rx5day) |
|---|---|
| 1882 | 71.1 mm (2.8 in) |
| 1883 | 62.4 mm (2.5 in) |
| 1884 | 101.6 mm (4.0 in) |
| 1885 | 88.9 mm (3.5 in) |
| 1886 | 88.4 mm (3.5 in) |
| 1887 | 101.6 mm (4.0 in) |
| 1888 | 94.4 mm (3.7 in) |
| 1889 | 58.4 mm (2.3 in) |
| 1890 | 68.5 mm (2.7 in) |
| 1891 | 101.5 mm (4.0 in) |
| 1892 | 114.3 mm (4.5 in) |
| 1893 | 99.0 mm (3.9 in) |
| 1894 | 41.4 mm (1.6 in) |
| 1895 | 83.7 mm (3.3 in) |
| 1896 | 76.2 mm (3.0 in) |
| 1897 | 76.2 mm (3.0 in) |
| 1898 | 48.7 mm (1.9 in) |
| 1899 | 63.8 mm (2.5 in) |
| 1900 | 84.3 mm (3.3 in) |
| 1901 | 61.1 mm (2.4 in) |
| 1927 | 39.3 mm (1.5 in) |
| 1928 | 75.9 mm (3.0 in) |
| 1935 | 49.5 mm (1.9 in) |
| 1936 | 66.0 mm (2.6 in) |
| 1937 | 96.6 mm (3.8 in) |
| 1947 | 35.6 mm (1.4 in) |
| 1948 | 76.0 mm (3.0 in) |
| 1949 | 86.6 mm (3.4 in) |
| 1950 | 60.8 mm (2.4 in) |
| 1951 | 74.2 mm (2.9 in) |
| 1952 | 48.7 mm (1.9 in) |
| 1953 | 140.4 mm (5.5 in) |
| 1954 | 132.1 mm (5.2 in) |
| 1955 | 84.4 mm (3.3 in) |
| 1956 | 104.6 mm (4.1 in) |
| 1957 | 105.2 mm (4.1 in) |
| 1958 | 54.1 mm (2.1 in) |
| 1959 | 72.4 mm (2.9 in) |
| 1960 | 80.6 mm (3.2 in) |
| 1961 | 99.1 mm (3.9 in) |
| 1962 | 52.0 mm (2.0 in) |
| 1963 | 76.7 mm (3.0 in) |
| 1964 | 48.2 mm (1.9 in) |
| 1965 | 88.9 mm (3.5 in) |
| 1966 | 60.8 mm (2.4 in) |
| 1967 | 25.1 mm (1.0 in) |
| 1968 | 88.1 mm (3.5 in) |
| 1969 | 66.5 mm (2.6 in) |
| 1970 | 60.4 mm (2.4 in) |
| 1971 | 72.4 mm (2.9 in) |
| 1972 | 58.7 mm (2.3 in) |
| 1973 | 63.2 mm (2.5 in) |
| 1974 | 76.3 mm (3.0 in) |
| 1975 | 88.2 mm (3.5 in) |
| 1976 | 71.1 mm (2.8 in) |
| 1977 | 85.1 mm (3.4 in) |
| 1978 | 66.0 mm (2.6 in) |
| 1979 | 54.2 mm (2.1 in) |
| 1980 | 61.8 mm (2.4 in) |
| 1981 | 100.8 mm (4.0 in) |
| 1982 | 105.1 mm (4.1 in) |
| 1983 | 125.1 mm (4.9 in) |
Longest dry spell (CDD)
| Year | Longest dry spell (CDD) |
|---|---|
| 1882 | 16 days |
| 1883 | 16 days |
| 1884 | 22 days |
| 1885 | 14 days |
| 1886 | 19 days |
| 1887 | 30 days |
| 1888 | 20 days |
| 1889 | 23 days |
| 1890 | 20 days |
| 1891 | 21 days |
| 1892 | 14 days |
| 1893 | 12 days |
| 1894 | 13 days |
| 1895 | 18 days |
| 1896 | 16 days |
| 1897 | 15 days |
| 1898 | 22 days |
| 1899 | 14 days |
| 1900 | 15 days |
| 1901 | 23 days |
| 1927 | 10 days |
| 1928 | 13 days |
| 1935 | 8 days |
| 1936 | 27 days |
| 1937 | 10 days |
| 1947 | 10 days |
| 1948 | 13 days |
| 1949 | 18 days |
| 1950 | 14 days |
| 1951 | 10 days |
| 1952 | 19 days |
| 1953 | 15 days |
| 1954 | 15 days |
| 1955 | 19 days |
| 1956 | 17 days |
| 1957 | 20 days |
| 1958 | 16 days |
| 1959 | 10 days |
| 1960 | 13 days |
| 1961 | 13 days |
| 1962 | 21 days |
| 1963 | 21 days |
| 1964 | 12 days |
| 1965 | 15 days |
| 1966 | 33 days |
| 1967 | 8 days |
| 1968 | 12 days |
| 1969 | 19 days |
| 1970 | 13 days |
| 1971 | 11 days |
| 1972 | 13 days |
| 1973 | 25 days |
| 1974 | 16 days |
| 1975 | 14 days |
| 1976 | 11 days |
| 1977 | 13 days |
| 1978 | 14 days |
| 1979 | 14 days |
| 1980 | 14 days |
| 1981 | 14 days |
| 1982 | 14 days |
| 1983 | 15 days |
Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.
Frost Dates and Growing Season
44 years with a frostAcross 44 years with a frost, the median last spring frost at Durham falls on 24 May and the median first autumn frost on 25 September, which leaves a median of 123 days between them.
Fitted over all years, the growing season changes by -1.5 days per decade at this station.
| Measure | Median, all years | Earliest period | Recent period (1897 to 1983) | Recent against earliest | Fitted trend |
|---|---|---|---|---|---|
| Last spring frost | 24 May | n/a | 24 May | n/a | +0.6 days per decade |
| First autumn frost | 25 September | n/a | 22 September | n/a | -0.9 days per decade |
| Growing days | 123 days | n/a | 120 days | n/a | -1.5 days per decade |
A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.
Rainfall Return Levels
43 years, 1883 to 1983A day with at least 50.6 mm (2.0 in) of rain is expected about once in 2 years. A day with at least 95.4 mm (3.8 in) of rain is expected about once in 100 years.
| Expected about once in | A day with at least | Note |
|---|---|---|
| 2 years | 50.6 mm (2.0 in) | |
| 5 years | 65.3 mm (2.6 in) | |
| 10 years | 73.8 mm (2.9 in) | |
| 25 years | 83.3 mm (3.3 in) | |
| 50 years | 89.7 mm (3.5 in) | Longer than the 43 years of record |
| 100 years | 95.4 mm (3.8 in) | Longer than the 43 years of record |
The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 43 years of values from 1883 to 1983.
A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.
The largest wettest-day totals in the fit: 85.9 mm (3.4 in) in 1961; 85.5 mm (3.4 in) in 1983; 78.5 mm (3.1 in) in 1954.
Station Changes
2 suspected2 changes were suspected in the annual mean temperature of Durham, at 1898 and 1959. Each is measured against neighbouring stations.
- Relative to 5 neighbouring stations, the station's annual mean temperature from 1898 ran 0.5 C (0.9 F) lower than in the years before (likely change).
- Relative to 5 neighbouring stations, the station's annual mean temperature from 1959 ran 0.3 C (0.5 F) higher than in the years before (possible change).
| Year | Shift (C) | Shift (F) | Strength | Neighbours |
|---|---|---|---|---|
| 1898 | -0.5 | -0.9 | likely | 5 |
| 1959 | +0.3 | +0.5 | possible | 5 |
Possible change at the station (a move, a new instrument or a new site); the record is kept as measured. A "likely" change has a larger test statistic than a "possible" one. Neither says why the station differs from its neighbours. How changes are found, and the largest ones.
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). Records are computed by this site and are not official.
Data as of . Last revised (2026-10-17).