Radcliffe Meteorological Station
Summary of Long Period Observations
RMS = ALTITUDE: 63.4m; LATITUDE: 51°46' N; LONGITUDE: 1°46' W
Note: All measures of temperature are in °C; rainfall is in mm.
| Period | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean monthly air temperature | 1815 - 2004 | 3.7 | 4.2 | 5.7 | 8.3 | 11.6 | 14.8 | 16.5 | 16.1 | 13.6 | 10.0 | 6.4 | 4.5 | 9.6 |
| Highest mean monthly temperature and year | 7.7 1916 |
8.0 1990 |
9.5 1938 |
11.2 1943 |
15.3 1833 |
18.6 1846 |
20.8 1983 |
19.9 1997 |
16.8 1949 |
13.8 2001 |
10.4 1994 |
8.2 1852 |
11.2 2004 |
|
| Lowest mean monthly temperature and year | -3.2 1963 |
-2.6 1947 |
1.9 1845 |
4.9 1837 |
9.0 1817 |
11.8 1909 |
13.8 1841 |
13.3 1912 |
11.0 1952 |
6.8 1817 |
2.9 1923 |
-1.6 1890 |
7.5 1879 |
|
| Monthly mean of daily maximum temperature | 1881 - 2004 | 6.8 | 7.4 | 10.1 | 13.0 | 16.7 | 19.8 | 21.7 | 21.2 | 18.5 | 14.2 | 9.8 | 7.4 | 13.9 |
| Absolute maximum temperature and year | 1881 - 2004 | 14.7 1930 |
18.5 1998 |
22.1 1965 |
27.1 1893 |
30.6 1947 |
34.3 1976 |
33.9 1923 |
35.6 2003 |
33.5 1911 |
27.3 1921 |
19.0 1946 |
15.2 2001 |
35.6 2003 |
| Monthly mean of daily minimum temperature | 1881 - 2004 | 1.4 | 1.4 | 2.5 | 4.3 | 7.2 | 10.2 | 12.2 | 11.9 | 9.8 | 6.8 | 3.8 | 2.1 | 6.1 |
| Absolute minimum temperature and year | -16.6 1982 |
-16.2 1947 |
-10.9 1947 |
-4.9 1892 |
-1.8 1938 |
1.3 1892 |
4.4 1965 |
3.5 1892 |
-0.6 1919 |
-5.1 1890 |
-8.8 1923 |
-16.1 1981 |
-16.6 1982 |
|
| Monthly mean of daily grass minimum temperature | 1881 - 2004 | -0.9 | -1.0 | -0.2 | 1.5 | 4.6 | 7.9 | 10.0 | 9.4 | 7.1 | 3.9 | 1.2 | -0.4 | 3.6 |
| Absolute grass minimum temperature and year | -22.5 1982 |
-22.2 1947 |
-19.1 1947 |
-9.5 1984 |
-8.2 1944 |
-3.6 1991 |
-0.1 1990 |
-0.2 1943 |
-4.5 1885 |
-10.0 1997 |
-11.2 1923 |
-20.1 1981 |
-22.5 1982 |
|
| Mean monthly earth temperature at 30 cm | 1925 - 2004 | 4.0 | 4.1 | 5.9 | 9.1 | 12.9 | 16.4 | 18.2 | 18.1 | 15.7 | 11.7 | 7.8 | 5.2 | 10.6 |
| Mean monthly rainfall | 1767 - 2004 | 52.6 | 41.0 | 41.1 | 43.9 | 50.6 | 53.3 | 59.5 | 58.3 | 60.3 | 65.3 | 61.8 | 55.8 | 643.5 |
| Wettest month and year | 138.7 1852 |
119.6 1937 |
133.6 1862 |
137.2 2000 |
143.1 1773 |
193.0 1852 |
183.4 1834 |
135.3 2004 |
206.7 1774 |
188.2 1875 |
186.4 1852 |
143.3 1914 |
1034.7 1852 |
|
| Driest month and year | 5.3 1825 |
0.0 1798 |
1.5 1929 |
0.5 1817 1912 |
1.5 1795 |
1.8 1925 |
0.8 1825 |
2.0 1940 |
2.5 1929 |
4.3 1788 1809 |
4.8 1945 |
1.7 1780 |
353.4 1788 |
|
| Mean monthly bright sunshine hours | 1881 - 2004 | 54.3 | 70.3 | 113.3 | 151.8 | 191.8 | 196.9 | 191.6 | 180.3 | 138.3 | 102.8 | 64.4 | 48.8 | 1504.3 |
| Sunniest month and year | 94.1 1952 |
115.9 1970 |
198.7 1995 |
252.8 1893 |
300.8 1989 |
301.0 1975 |
310.4 1911 |
285.1 1995 |
222.6 1911 |
159.7 1921 |
107.9 1923 |
77.7 1952 |
1893.7 1990 |
|
| Dullest month and year | 14.9 1885 |
22.8 1940 |
48.8 1984 |
81.5 1966 |
98.3 1981 |
109.4 1909 |
97.4 1944 |
97.7 1912 |
64.9 1945 |
43.6 1976 |
29.7 1888 |
5.0 1890 |
1158.3 1888 |
|
| Mean number of days with rain | 1881 - 2004 | 16.9 | 13.6 | 14.1 | 13.8 | 13.5 | 11.8 | 12.6 | 13.2 | 12.6 | 15.4 | 15.9 | 17.1 | 170.5 |
| Mean number of days of snow cover | 1926 - 2004 | 3.8 | 3.2 | 0.9 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 | 1.7 | 9.9 |
| Mean number of days with fog | 1926 - 2004 | 3.6 | 3.1 | 1.9 | 0.4 | 0.1 | 0.1 | 0.1 | 0.2 | 0.7 | 2.8 | 3.9 | 4.2 | 20.9 |
| Mean number of air frosts | 1881 - 2004 | 10.5 | 9.8 | 7.5 | 2.9 | 0.4 | 0.0 | 0.0 | 0.0 | 0.0 | 1.5 | 5.2 | 8.7 | 46.5 |
| Mean number of ground frosts | 1881 - 2004 | 17.8 | 16.6 | 16.2 | 10.6 | 3.6 | 0.4 | 0.0 | 0.0 | 1.2 | 6.5 | 12.2 | 16.8 | 101.9 |