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Klimatologie
Warmtegetallen sinds 1901 in De Bilt
Het warmtegetal is een maat voor de warmte in het tijdvak
van 1 april tot en met 31 oktober van het genoemde jaar.
Het warmtegetal wordt berekend door het aantal graden dat de
gemiddelde etmaaltemperatuur van elke dag boven de 18,0 °C
ligt, op te tellen.
Een dag met gemiddeld over 24 uur een temperatuur van 20,2 °C
draagt dus 2,2 bij aan het warmtegetal.
Zo komen we uiteindelijk tot een totale som die het mogelijk
maakt de warmte in het jaar te classificeren.
Actuele stand 2013: 0.0 (t/m 13 mei)
| Jaar |
Getal |
|
Rang |
Jaar |
Getal |
| 1901 |
66.3 |
|
1 |
1947 |
221.3 |
| 1902 |
39.2 |
|
2 |
2006 |
201.3 |
| 1903 |
31.2 |
|
3 |
1995 |
169.7 |
| 1904 |
54.2 |
|
4 |
1976 |
163.8 |
| 1905 |
41.8 |
|
5 |
1994 |
147.9 |
| 1906 |
43.0 |
|
6 |
1911 |
135.0 |
| 1907 |
11.8 |
|
7 |
1983 |
133.9 |
| 1908 |
34.2 |
|
8 |
2003 |
133.4 |
| 1909 |
16.1 |
|
9 |
1969 |
115.4 |
| 1910 |
31.6 |
|
10 |
1997 |
115.4 |
| 1911 |
135.0 |
|
11 |
1982 |
112.7 |
| 1912 |
50.3 |
|
12 |
1975 |
109.9 |
| 1913 |
20.8 |
|
13 |
2001 |
104.6 |
| 1914 |
68.7 |
|
14 |
1992 |
102.8 |
| 1915 |
23.9 |
|
15 |
1932 |
100.3 |
| 1916 |
13.4 |
|
16 |
1941 |
99.9 |
| 1917 |
58.5 |
|
17 |
1999 |
99.6 |
| 1918 |
23.5 |
|
18 |
1989 |
98.1 |
| 1919 |
27.9 |
|
19 |
1959 |
96.6 |
| 1920 |
23.1 |
|
20 |
2010 |
95.3 |
| 1921 |
75.0 |
|
21 |
2005 |
95.1 |
| 1922 |
30.2 |
|
22 |
1935 |
88.1 |
| 1923 |
76.6 |
|
23 |
1990 |
87.0 |
| 1924 |
23.7 |
|
24 |
2012 |
86.6 |
| 1925 |
81.7 |
|
25 |
1991 |
85.4 |
| 1926 |
47.1 |
|
26 |
1925 |
81.7 |
| 1927 |
37.1 |
|
27 |
2004 |
81.1 |
| 1928 |
31.7 |
|
28 |
2008 |
79.8 |
| 1929 |
64.8 |
|
29 |
2009 |
77.7 |
| 1930 |
65.9 |
|
30 |
1923 |
76.6 |
| 1931 |
32.7 |
|
31 |
1948 |
76.3 |
| 1932 |
100.3 |
|
32 |
2002 |
76.1 |
| 1933 |
65.3 |
|
33 |
1944 |
76.0 |
| 1934 |
53.5 |
|
34 |
1921 |
75.0 |
| 1935 |
88.1 |
|
35 |
1949 |
72.8 |
| 1936 |
57.0 |
|
36 |
1939 |
71.7 |
| 1937 |
61.2 |
|
37 |
1986 |
70.2 |
| 1938 |
60.5 |
|
38 |
1914 |
68.7 |
| 1939 |
71.7 |
|
39 |
1973 |
67.1 |
| 1940 |
21.1 |
|
40 |
1901 |
66.3 |
| 1941 |
99.9 |
|
41 |
1930 |
65.9 |
| 1942 |
54.6 |
|
42 |
1933 |
65.3 |
| 1943 |
54.8 |
|
43 |
1970 |
64.9 |
| 1944 |
76.0 |
|
44 |
1929 |
64.8 |
| 1945 |
62.4 |
|
45 |
1953 |
64.5 |
| 1946 |
38.4 |
|
46 |
1945 |
62.4 |
| 1947 |
221.3 |
|
47 |
1937 |
61.2 |
| 1948 |
76.3 |
|
48 |
1938 |
60.5 |
| 1949 |
72.8 |
|
49 |
1955 |
60.1 |
| 1950 |
55.5 |
|
50 |
2000 |
59.5 |
| 1951 |
36.0 |
|
51 |
1917 |
58.5 |
| 1952 |
44.9 |
|
52 |
1957 |
58.5 |
| 1953 |
64.5 |
|
53 |
1936 |
57.0 |
| 1954 |
31.5 |
|
54 |
1996 |
55.5 |
| 1955 |
60.1 |
|
55 |
1950 |
55.5 |
| 1956 |
4.9 |
|
56 |
1998 |
55.2 |
| 1957 |
58.5 |
|
57 |
1943 |
54.8 |
| 1958 |
34.9 |
|
58 |
1942 |
54.6 |
| 1959 |
96.6 |
|
59 |
1904 |
54.2 |
| 1960 |
24.0 |
|
60 |
1934 |
53.5 |
| 1961 |
39.1 |
|
61 |
1984 |
53.3 |
| 1962 |
6.7 |
|
62 |
2007 |
52.5 |
| 1963 |
27.8 |
|
63 |
1912 |
50.3 |
| 1964 |
47.9 |
|
64 |
1964 |
47.9 |
| 1965 |
3.9 |
|
65 |
1926 |
47.1 |
| 1966 |
39.6 |
|
66 |
1952 |
44.9 |
| 1967 |
43.7 |
|
67 |
1967 |
43.7 |
| 1968 |
34.4 |
|
68 |
2011 |
43.3 |
| 1969 |
115.4 |
|
69 |
1906 |
43.0 |
| 1970 |
64.9 |
|
70 |
1980 |
42.8 |
| 1971 |
42.4 |
|
71 |
1971 |
42.4 |
| 1972 |
37.8 |
|
72 |
1987 |
41.8 |
| 1973 |
67.1 |
|
73 |
1905 |
41.8 |
| 1974 |
11.6 |
|
74 |
1978 |
40.6 |
| 1975 |
109.9 |
|
75 |
1981 |
39.8 |
| 1976 |
163.8 |
|
76 |
1966 |
39.6 |
| 1977 |
27.8 |
|
77 |
1902 |
39.2 |
| 1978 |
40.6 |
|
78 |
1961 |
39.1 |
| 1979 |
27.4 |
|
79 |
1946 |
38.4 |
| 1980 |
42.8 |
|
80 |
1972 |
37.8 |
| 1981 |
39.8 |
|
81 |
1927 |
37.1 |
| 1982 |
112.7 |
|
82 |
1985 |
36.5 |
| 1983 |
133.9 |
|
83 |
1951 |
36.0 |
| 1984 |
53.3 |
|
84 |
1958 |
34.9 |
| 1985 |
36.5 |
|
85 |
1968 |
34.4 |
| 1986 |
70.2 |
|
86 |
1908 |
34.2 |
| 1987 |
41.8 |
|
87 |
1931 |
32.7 |
| 1988 |
28.6 |
|
88 |
1928 |
31.7 |
| 1989 |
98.1 |
|
89 |
1910 |
31.6 |
| 1990 |
87.0 |
|
90 |
1954 |
31.5 |
| 1991 |
85.4 |
|
91 |
1903 |
31.2 |
| 1992 |
102.8 |
|
92 |
1993 |
30.8 |
| 1993 |
30.8 |
|
93 |
1922 |
30.2 |
| 1994 |
147.9 |
|
94 |
1988 |
28.6 |
| 1995 |
169.7 |
|
95 |
1919 |
27.9 |
| 1996 |
55.5 |
|
96 |
1977 |
27.8 |
| 1997 |
115.4 |
|
97 |
1963 |
27.8 |
| 1998 |
55.2 |
|
98 |
1979 |
27.4 |
| 1999 |
99.6 |
|
99 |
1960 |
24.0 |
| 2000 |
59.5 |
|
100 |
1915 |
23.9 |
| 2001 |
104.6 |
|
101 |
1924 |
23.7 |
| 2002 |
76.1 |
|
102 |
1918 |
23.5 |
| 2003 |
133.4 |
|
103 |
1920 |
23.1 |
| 2004 |
81.1 |
|
104 |
1940 |
21.1 |
| 2005 |
95.1 |
|
105 |
1913 |
20.8 |
| 2006 |
201.3 |
|
106 |
1909 |
16.1 |
| 2007 |
52.5 |
|
107 |
1916 |
13.4 |
| 2008 |
79.8 |
|
108 |
1907 |
11.8 |
| 2009 |
77.7 |
|
109 |
1974 |
11.6 |
| 2010 |
95.3 |
|
110 |
1962 |
6.7 |
| 2011 |
43.3 |
|
111 |
1956 |
4.9 |
| 2012 |
86.6 |
|
112 |
1965 |
3.9 |
| 2013 |
0.0 |
|
113 |
2013 |
0.0 |
|