Weather analogues

The index is updated daily and compares today's Northern Hemisphere 500hPa profile with the same date in every year going back to 1948.

A lower index indicates a closer match.

Weather Analogue Index (WAI)

DAYS -30

Place Year Index value
1 1979 265581
2 2023 279361
3 1999 282884
4 2004 283504
5 2007 283732
6 1977 285443
7 1982 286103
8 1981 286342
9 2014 290000
10 1953 290058
11 1998 290287
12 2001 290624
13 1995 290950
14 2019 291254
15 1989 291663
16 2021 292199
17 2020 293774
18 1950 295057
19 1956 295758
20 2012 296184
21 2017 298168
22 1983 298558
23 1966 298645
24 1952 298741
25 1968 299147
26 1963 299799
27 2011 300008
28 2005 300047
29 1974 300594
30 2008 301356
31 2006 301697
32 2022 302241
33 2013 302689
34 1961 303865
35 1949 304166
36 2015 304670
37 1955 304763
38 1997 304880
39 1993 304984
40 2000 307274
41 1960 308180
42 1978 308551
43 1964 309690
44 1973 310538
45 2010 310738
46 1991 310855
47 1975 313046
48 1990 313840
49 2016 314702
50 1959 315104
51 1996 315297
52 2009 315576
53 1958 316972
54 1984 319462
55 1962 319641
56 1957 319887
57 2003 320815
58 2018 321041
59 1971 323375
60 1951 323751
61 1965 324491
62 1970 325782
63 1994 326871
64 1976 328690
65 1980 328948
66 1985 329196
67 1969 329856
68 1967 330528
69 1987 331368
70 1954 335426
71 1988 340062
72 1992 347933
73 1972 350306
74 2002 352552
75 1986 358302

Central England Temperatures

The monthly CET values for all of the years in the index are shown below.

Click on the CET value to view reanalysis charts for the month.

 

Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Mean
1948 5.4 4.7 8.3 9.0 11.4 13.5 15.8 15.1 13.8 10.1 7.3 5.7 10.03
1949 5.5 5.7 5.1 10.0 11.2 15.3 17.4 16.8 16.3 11.7 6.6 5.8 10.64
1950 4.2 5.3 7.4 7.6 11.3 16.2 15.9 15.6 12.9 9.6 5.7 1.2 9.43
1951 3.9 3.7 4.1 6.8 10.1 14.0 16.3 14.8 14.1 9.4 8.5 5.5 9.30
1952 2.7 3.4 6.6 9.6 13.4 14.4 16.8 15.8 10.7 8.8 4.2 2.8 9.12
1953 3.3 4.3 5.6 7.3 12.6 14.4 15.5 16.2 13.8 9.7 8.5 6.9 9.87
1954 2.9 2.6 5.8 7.6 11.2 13.4 14.2 14.6 12.7 11.9 6.9 6.8 9.26
1955 2.6 1.2 3.2 9.3 9.7 13.8 17.7 18.1 14.2 9.2 7.0 5.4 9.33
1956 3.6 -0.2 6.2 6.9 11.7 13.1 15.8 13.5 14.3 9.4 6.0 5.7 8.87
1957 5.5 5.3 9.2 8.9 10.3 15.2 16.3 15.4 12.5 10.8 6.4 4.5 10.06
1958 3.4 4.7 3.7 7.4 11.1 14.1 15.9 15.8 15.1 10.8 6.4 4.7 9.45
1959 1.6 4.4 7.3 9.4 12.8 15.2 17.3 17.2 14.9 12.6 7.1 6.0 10.52
1960 3.8 4.1 6.4 8.9 12.8 16.1 15.1 15.0 13.1 10.3 7.3 3.9 9.75
1961 3.9 6.9 8.2 10.0 11.0 14.4 15.2 15.4 15.2 10.9 6.0 2.2 9.95
1962 4.3 4.4 2.8 7.7 10.3 13.7 15.1 14.5 12.6 10.4 5.5 1.8 8.61
1963 -2.1 -0.7 6.0 8.7 10.6 14.9 15.2 14.3 12.9 11.1 8.2 2.6 8.52
1964 3.4 4.5 4.3 8.7 13.3 13.8 16.1 15.5 14.1 8.9 7.4 3.6 9.48
1965 3.3 3.1 5.2 8.0 11.7 14.7 14.0 14.9 12.3 11.0 4.5 4.7 8.99
1966 2.9 5.7 6.5 7.2 11.0 15.4 15.0 14.7 13.8 10.1 5.6 5.5 9.47
1967 4.5 5.4 7.0 7.7 10.4 14.0 16.7 15.7 13.5 10.8 5.4 4.2 9.64
1968 4.4 1.9 6.3 8.1 9.8 14.8 15.0 15.4 13.9 12.5 6.5 3.0 9.32
1969 5.5 1.0 3.3 7.4 11.2 13.9 16.8 16.4 13.9 13.0 5.4 3.3 9.32
1970 3.7 2.9 3.7 6.7 13.0 16.4 15.2 16.0 14.4 10.7 7.8 4.3 9.60
1971 4.5 4.5 4.9 7.9 11.6 12.4 16.9 15.6 14.0 11.3 6.0 6.6 9.72
1972 3.9 4.3 6.5 8.2 10.5 11.8 15.6 15.1 11.7 10.6 6.3 5.8 9.22
1973 4.5 4.3 6.2 7.0 11.4 14.8 15.6 16.5 14.3 9.0 6.0 4.9 9.57
1974 5.9 5.4 5.8 8.2 11.0 13.9 15.2 15.2 12.1 7.8 6.8 8.1 9.64
1975 6.8 4.4 4.8 8.3 9.9 14.7 17.4 18.7 13.5 9.9 6.3 5.3 10.04
1976 5.9 4.5 4.8 8.1 12.1 17.0 18.7 17.6 13.4 10.6 6.3 2.0 10.10
1977 2.8 5.2 6.9 7.2 10.6 12.2 15.9 15.2 13.3 11.8 6.6 6.1 9.51
1978 3.4 2.8 6.7 6.5 11.7 13.7 14.8 15.0 14.2 11.9 8.5 3.9 9.47
1979 -0.4 1.2 4.7 7.8 10.0 13.9 16.2 14.9 13.5 11.3 6.8 5.8 8.85
1980 2.3 5.7 4.7 8.8 11.2 13.8 14.7 15.9 14.7 9.0 6.6 5.6 9.42
1981 4.9 3.0 7.9 7.8 11.2 13.2 15.5 16.2 14.5 8.6 7.8 0.3 9.28
1982 2.6 4.8 6.1 8.6 11.6 15.5 16.5 15.7 14.2 10.1 8.0 4.4 9.86
1983 6.7 1.7 6.4 6.8 10.3 14.4 19.5 17.3 13.7 10.5 7.5 5.6 10.10
1984 3.8 3.3 4.7 8.1 9.9 14.5 16.9 17.6 13.7 11.1 8.0 5.2 9.75
1985 0.8 2.1 4.7 8.3 10.9 12.7 16.2 14.6 14.6 11.0 4.1 6.3 8.90
1986 3.5 -1.1 4.9 5.8 11.1 14.8 15.9 13.7 11.3 11.0 7.8 6.2 8.81
1987 0.8 3.6 4.1 10.3 10.1 12.8 15.9 15.6 13.6 9.7 6.5 5.6 9.08
1988 5.3 4.9 6.4 8.2 11.9 14.4 14.7 15.2 13.2 10.4 5.2 7.5 9.80
1989 6.1 5.9 7.5 6.6 13.0 14.6 18.2 16.6 14.7 11.7 6.2 4.9 10.54
1990 6.5 7.3 8.3 8.0 12.6 13.6 16.9 18.0 13.2 11.9 6.9 4.3 10.65
1991 3.3 1.5 7.9 7.9 10.8 12.1 17.3 17.1 14.7 10.2 6.8 4.7 9.58
1992 3.7 5.4 7.5 8.7 13.6 15.7 16.2 15.3 13.4 7.8 7.4 3.6 9.87
1993 5.9 4.6 6.7 9.5 11.4 15.0 15.2 14.6 12.4 8.5 4.6 5.5 9.52
1994 5.3 3.2 7.7 8.1 10.7 14.5 18.0 16.0 12.7 10.2 10.1 6.4 10.29
1995 4.8 6.5 5.6 9.1 11.6 14.3 18.6 19.2 13.7 12.9 7.7 2.3 10.55
1996 4.3 2.5 4.5 8.5 9.1 14.4 16.5 16.5 13.6 11.7 5.9 2.9 9.22
1997 2.5 6.7 8.4 9.0 11.5 14.1 16.7 18.9 14.2 10.2 8.4 5.8 10.56
1998 5.2 7.3 7.9 7.7 13.1 14.2 15.5 15.9 14.9 10.6 6.2 5.5 10.35
1999 5.5 5.3 7.4 9.4 12.9 13.9 17.7 16.1 15.6 10.7 7.9 5.0 10.65
2000 4.9 6.3 7.6 7.8 12.1 15.1 15.5 16.6 14.7 10.3 7.0 5.8 10.32
2001 3.2 4.4 5.2 7.7 12.6 14.3 17.2 16.8 13.4 13.3 7.5 3.6 9.97
2002 5.5 7.0 7.6 9.3 11.8 14.4 16.0 17.0 14.4 10.1 8.5 5.7 10.63
2003 4.5 3.9 7.5 9.6 12.1 16.1 17.6 18.3 14.3 9.2 8.1 4.8 10.54
2004 5.2 5.4 6.5 9.4 12.1 15.3 15.8 17.6 14.9 10.5 7.7 5.4 10.50
2005 6.0 4.3 7.2 8.9 11.4 15.5 16.9 16.2 15.2 13.1 6.2 4.4 10.48
2006 4.3 3.7 4.9 8.6 12.3 15.9 19.7 16.1 16.8 13.0 8.1 6.5 10.87
2007 7.0 5.8 7.2 11.2 11.9 15.1 15.2 15.4 13.8 10.9 7.3 4.9 10.50
2008 6.6 5.4 6.1 7.9 13.4 13.9 16.2 16.2 13.5 9.7 7.0 3.5 9.97
2009 3.0 4.1 7.0 10.0 12.1 14.8 16.1 16.6 14.2 11.6 8.7 3.1 10.14
2010 1.4 2.8 6.1 8.8 10.7 15.2 17.1 15.3 13.8 10.3 5.2 -0.7 8.86
2011 3.7 6.4 6.7 11.8 12.2 13.8 15.2 15.4 15.1 12.6 9.6 6.0 10.72
2012 5.4 3.8 8.3 7.2 11.7 13.5 15.5 16.6 13.0 9.7 6.8 4.8 9.72
2013 3.5 3.2 2.7 7.5 10.4 13.6 18.3 16.9 13.7 12.5 6.2 6.3 9.61
2014 5.7 6.2 7.6 10.2 12.2 15.1 17.7 14.9 15.1 12.5 8.6 5.2 10.95
2015 4.4 4.0 6.4 9.0 10.8 14.0 15.9 15.9 12.6 11.0 9.5 9.7 10.31
2016 5.4 4.9 5.8 7.5 12.5 15.2 16.9 17.0 16.0 10.9 5.6 6.0 10.34
2017 4.0 6.1 8.7 8.9 13.2 16.0 16.8 15.6 13.5 12.4 6.8 4.8 10.58
2018 5.3 2.9 4.9 9.8 13.2 16.1 19.1 16.6 13.7 10.6 8.3 6.9 10.68
2019 4.0 6.7 7.8 9.1 11.1 14.2 17.5 17.1 14.3 10.0 6.2 5.8 10.34
2020 6.4 6.3 6.7 10.4 12.5 15.3 15.7 17.6 13.9 10.5 8.5 5.0 10.76

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