The following tables present IEM computed monthly data summaries based on
daily data provided by or computed for the IEM. A download interface
exists for the daily summary information. The climatology is provided by the
nearest NCEI climate station () within the current 1991-2020
dataset.
To load shown data into Microsoft Excel,
highlight the table information with your mouse and then copy/paste into Excel.
Precipitation Totals [inch]
Year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1973
0.00
0.00
0.00
M
M
M
M
M
M
M
M
M
1974
M
M
M
M
M
M
M
M
M
M
M
M
1975
M
M
M
0.00
M
M
M
M
M
0.00
0.00
0.00
1976
0.00
0.00
0.00
0.00
M
M
0.00
0.00
0.00
M
0.00
M
1977
M
M
0.00
M
M
0.00
0.00
0.00
0.00
0.00
0.00
0.00
1978
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
1979
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
1980
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
1981
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
1982
0.00
0.00
0.00
0.00
M
0.00
0.00
0.00
0.00
0.00
0.00
0.00
1983
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
1984
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
1985
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
1986
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
1987
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
1988
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
1989
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
1990
0.00
0.00
0.00
0.00
0.12
0.00
0.00
0.00
0.00
0.00
0.00
0.00
1991
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
1992
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
1993
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
1994
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
1995
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
1996
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
1997
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
1998
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
1999
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
2000
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
2001
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
2002
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
2003
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
2004
M
M
M
M
M
M
M
M
M
M
M
M
2005
M
M
M
M
M
M
M
M
M
M
M
M
2006
M
M
M
M
M
M
M
M
M
M
M
M
2007
M
0.00
M
M
M
M
M
M
M
M
M
M
2008
M
M
M
M
M
M
M
M
M
M
M
M
2009
M
M
M
M
M
M
M
M
M
M
M
M
2010
M
M
M
M
M
M
M
M
M
M
M
M
2011
M
M
M
M
M
M
M
0.00
0.00
0.00
0.00
0.00
2012
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
2013
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
M
M
M
2014
M
M
M
M
M
M
M
M
M
M
M
M
2015
M
M
M
M
M
M
M
M
M
M
M
M
2016
M
M
M
M
M
0.00
0.00
M
M
M
M
M
2017
M
M
M
M
M
M
0.00
M
M
M
M
M
2018
M
M
M
M
M
M
M
M
M
M
M
M
2019
M
M
M
M
M
M
M
M
M
M
M
M
2020
M
M
M
M
M
M
M
M
M
M
M
M
2021
M
M
M
M
M
M
M
M
M
M
M
M
2022
M
M
M
M
M
M
M
M
M
M
M
M
2023
M
M
M
M
M
M
M
M
M
M
M
M
2024
M
M
M
M
M
M
M
M
M
M
M
M
2025
M
M
M
M
M
M
M
M
M
M
M
M
Average Wind Speed [MPH]
Year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1973
13.9
27.6
M
M
M
M
M
M
M
M
M
M
1974
M
M
M
M
M
M
M
M
M
M
M
M
1975
M
M
M
8.6
M
M
M
M
M
14.3
16.5
M
1976
26.4
M
8.8
M
M
M
M
34.0
M
M
M
M
1977
M
M
M
M
M
5.1
11.7
15.7
19.3
18.0
15.4
17.1
1978
17.6
16.2
16.6
17.5
7.5
14.3
9.2
13.0
8.9
13.8
13.8
18.7
1979
12.7
16.3
11.9
15.7
6.7
5.7
7.5
9.0
9.9
15.7
14.4
13.6
1980
14.1
11.1
10.5
7.3
4.4
8.3
5.9
9.0
11.8
14.4
16.5
10.6
1981
13.2
14.0
9.7
6.2
7.0
6.1
7.5
11.3
9.1
16.3
18.1
14.1
1982
11.3
13.8
14.8
15.1
M
3.1
13.3
8.1
9.0
19.7
12.9
16.0
1983
15.4
15.8
11.1
9.3
11.2
10.3
12.3
12.2
14.9
18.6
22.5
20.8
1984
20.1
16.1
12.8
17.3
11.2
9.5
9.3
13.2
11.5
13.0
20.0
16.5
1985
17.8
20.1
17.3
14.4
11.1
9.0
11.2
18.0
17.2
16.0
18.8
22.0
1986
21.9
21.2
16.7
13.6
8.2
13.1
13.2
14.6
15.3
15.3
17.5
22.9
1987
19.5
15.3
18.2
13.1
9.8
14.0
12.6
11.3
20.4
19.0
25.4
19.0
1988
16.5
19.1
19.3
11.3
8.7
14.4
12.1
10.8
16.6
13.6
21.3
18.6
1989
15.2
17.3
17.4
9.3
12.9
11.9
8.8
9.9
18.9
23.7
19.1
17.5
1990
23.6
15.6
21.3
14.7
13.8
12.5
10.9
17.0
14.5
19.9
25.1
15.4
1991
17.2
17.0
16.1
15.7
12.7
11.9
10.0
12.7
12.3
18.1
17.2
13.9
1992
16.5
9.3
13.9
10.7
10.5
8.6
7.1
11.2
14.8
16.7
12.4
13.0
1993
12.8
19.6
15.0
11.8
9.4
6.6
10.4
12.3
17.0
17.4
19.5
17.7
1994
18.3
18.0
13.8
14.3
11.9
8.5
10.3
11.9
17.5
16.8
15.2
15.7
1995
15.9
16.5
16.8
14.6
12.7
8.9
10.6
10.8
15.3
15.7
21.3
19.5
1996
18.4
16.4
17.0
11.6
15.2
13.4
12.2
15.1
13.9
17.1
21.5
21.3
1997
18.6
16.6
17.2
17.2
11.8
9.4
15.6
17.9
13.0
14.9
15.9
16.1
1998
18.6
13.8
14.9
11.5
7.6
8.8
18.0
17.4
17.1
20.7
20.2
21.1
1999
18.7
18.8
14.6
15.9
12.5
7.7
11.1
11.5
12.7
17.5
17.1
20.8
2000
20.0
13.9
10.6
15.7
8.7
9.9
8.3
13.2
11.3
17.7
16.7
17.3
2001
17.4
16.2
18.8
16.3
10.7
11.6
9.4
13.9
15.2
18.1
21.4
20.7
2002
18.9
17.5
15.0
12.5
8.4
9.6
9.1
9.3
11.9
14.5
15.9
19.0
2003
17.6
19.5
15.4
13.0
14.4
10.6
16.9
13.9
13.9
16.8
17.6
13.8
2004
19.3
14.6
13.6
12.6
11.8
11.3
10.6
13.6
16.6
12.9
15.5
15.9
2005
17.9
17.6
14.8
16.8
9.1
8.5
10.2
11.5
13.6
15.4
14.1
16.8
2006
14.2
15.4
17.8
13.9
13.9
8.5
11.5
12.6
12.9
16.0
19.3
18.5
2007
18.9
19.1
17.2
14.9
11.9
12.9
10.5
15.8
13.4
18.3
18.0
19.3
2008
17.4
17.1
15.7
16.2
13.1
8.7
12.1
13.6
10.3
18.4
18.8
20.4
2009
19.3
19.7
17.0
15.3
14.0
13.4
10.7
10.8
14.5
20.1
M
17.2
2010
18.4
16.7
15.4
14.9
14.1
11.2
10.2
14.2
14.6
17.6
17.9
21.7
2011
15.6
15.2
14.9
15.0
12.7
12.7
9.3
8.7
13.7
19.7
16.8
18.3
2012
19.7
17.7
16.5
14.1
12.4
16.2
11.8
13.4
14.3
21.3
20.0
14.6
2013
20.6
15.7
13.5
15.9
14.7
15.6
16.2
16.2
11.9
19.2
22.7
21.2
2014
19.4
16.0
18.1
10.6
10.8
10.0
9.7
10.4
11.6
17.7
20.4
19.4
2015
15.5
16.4
17.1
11.5
11.7
13.5
12.3
14.5
16.6
13.8
19.2
15.7
2016
17.8
16.9
16.1
12.6
6.9
10.3
10.1
9.0
11.5
13.5
20.2
15.2
2017
18.0
14.3
11.3
10.2
11.3
11.8
13.8
16.5
19.1
16.9
17.2
21.1
2018
18.1
17.6
17.5
14.2
12.3
10.4
10.8
15.1
13.1
15.1
20.7
20.5
2019
20.9
17.7
16.0
15.4
13.4
10.5
10.2
13.5
14.0
17.9
16.1
17.6
2020
17.6
17.0
16.3
13.7
9.5
10.7
9.4
13.7
15.8
18.4
19.1
19.0
2021
17.8
17.5
18.4
12.9
10.9
9.1
13.5
14.3
15.2
19.9
18.4
19.7
2022
18.3
18.0
15.1
12.4
12.1
12.6
12.9
12.3
15.9
20.2
19.6
19.7
2023
19.9
19.1
19.1
16.0
14.0
11.4
9.1
13.5
12.5
21.7
16.9
19.7
2024
20.1
15.5
15.3
M
M
M
M
11.4
21.0
21.1
15.8
16.1
2025
18.9
M
M
M
M
M
M
M
M
M
M
M
Average Daily High Temperature [F]
Year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1973
55.00
57.57
55.33
M
M
M
M
M
M
M
M
M
1974
M
M
M
M
M
M
M
M
M
M
M
M
1975
M
M
M
47.40
M
M
M
M
M
52.38
54.33
54.60
1976
55.00
59.00
53.67
55.00
M
M
34.00
38.60
36.67
M
51.00
M
1977
M
M
50.00
M
M
36.35
33.76
37.07
43.69
49.87
54.80
61.10
1978
59.73
59.29
56.38
50.76
43.52
38.37
35.90
40.13
45.76
50.77
53.10
57.67
1979
60.35
59.32
56.61
53.40
41.50
36.00
38.39
37.97
44.10
50.29
51.53
60.16
1980
60.53
57.75
54.21
47.37
41.70
38.17
37.16
39.84
45.40
52.50
51.63
57.71
1981
59.61
60.52
52.81
48.87
42.84
37.30
37.71
39.73
45.73
52.81
55.13
58.42
1982
62.42
60.68
54.94
51.48
M
35.86
35.04
38.70
43.81
50.16
55.15
58.03
1983
60.45
56.75
54.48
49.86
42.83
36.50
37.81
40.35
46.87
51.83
56.36
60.52
1984
58.16
57.90
56.65
52.64
37.93
34.70
30.97
39.90
46.83
47.59
56.67
55.74
1985
60.90
60.24
52.83
49.70
40.10
36.70
38.39
42.39
47.70
50.90
55.53
58.37
1986
60.29
58.18
53.45
48.46
37.17
36.33
37.39
40.87
45.57
51.45
52.03
57.77
1987
58.72
55.67
54.83
48.62
44.42
39.16
35.13
38.14
45.90
52.47
56.96
57.97
1988
58.42
60.37
57.06
49.70
44.68
39.00
37.65
38.48
46.43
48.43
55.07
56.13
1989
57.08
58.89
55.42
48.25
43.86
36.59
38.00
41.24
46.13
52.41
54.38
57.36
1990
58.81
61.00
55.48
49.68
45.26
38.03
39.58
41.16
45.13
52.32
54.48
56.83
1991
60.03
57.96
53.61
49.33
42.97
37.03
35.64
40.46
44.28
48.35
52.59
53.71
1992
60.75
56.75
53.23
48.77
40.40
33.33
33.71
40.41
44.04
49.29
53.68
56.07
1993
56.03
59.93
54.42
47.93
42.21
32.23
37.48
42.00
48.87
53.81
57.43
57.35
1994
62.35
59.96
55.39
50.57
40.00
36.50
35.97
41.68
45.30
50.77
53.60
56.74
1995
59.57
59.25
54.68
52.50
44.90
34.22
25.23
31.07
42.33
51.06
55.40
58.67
1996
56.39
56.31
54.13
46.83
45.32
38.30
39.29
43.16
49.83
50.90
56.27
58.71
1997
58.84
56.15
57.65
47.90
41.00
35.67
34.84
40.29
44.00
51.52
55.43
55.13
1998
59.45
61.39
58.52
53.13
45.45
41.77
40.61
44.39
47.73
53.00
55.50
58.87
1999
62.47
59.93
56.45
52.93
44.77
35.53
38.58
40.42
45.70
53.77
58.90
58.94
2000
59.23
57.66
54.10
51.20
44.06
36.57
36.71
42.61
43.13
51.74
54.14
55.42
2001
58.23
56.54
55.00
50.67
43.23
37.40
31.75
39.77
45.60
51.81
54.51
59.58
2002
60.61
60.84
51.84
48.30
38.35
32.90
37.45
38.97
45.13
48.26
53.87
59.91
2003
57.58
59.94
54.04
51.99
46.46
38.11
41.44
43.43
47.22
51.04
54.48
57.05
2004
M
M
M
M
M
M
M
M
M
M
M
M
2005
M
M
M
M
M
M
M
M
M
M
M
M
2006
M
M
M
M
M
M
M
M
M
M
M
M
2007
M
53.98
M
M
M
M
M
M
M
M
M
M
2008
M
M
M
M
M
M
M
M
M
M
M
M
2009
M
M
M
51.80
M
M
M
M
M
M
M
M
2010
M
M
M
M
44.60
M
M
39.20
M
M
45.50
56.62
2011
58.40
M
M
M
30.20
24.80
M
42.62
45.56
52.38
55.52
61.03
2012
62.35
57.45
56.85
48.02
42.97
37.46
36.88
43.03
47.72
53.25
57.26
53.83
2013
63.30
59.19
55.57
52.82
43.55
40.94
41.70
40.77
46.22
51.86
54.74
56.27
2014
58.07
59.90
54.99
51.20
44.83
39.50
39.14
43.21
46.16
52.15
55.88
59.00
2015
61.90
61.12
59.35
52.58
44.66
38.12
36.82
41.52
46.58
51.63
57.02
57.26
2016
63.30
60.74
59.52
49.40
44.83
43.58
39.78
41.87
50.12
54.01
58.64
58.59
2017
59.99
59.77
53.83
51.14
45.30
37.82
41.23
42.51
47.66
51.28
55.34
58.19
2018
61.38
62.54
55.86
49.70
44.77
37.64
36.88
43.15
45.26
51.28
57.68
61.79
2019
59.93
60.80
57.03
49.76
45.01
38.60
38.33
42.16
48.02
51.92
55.94
59.99
2020
59.81
61.73
58.01
53.36
45.24
36.32
33.22
41.35
47.30
53.48
59.54
60.22
2021
60.74
63.69
58.36
51.38
44.37
39.92
40.01
43.73
50.42
54.82
56.66
62.31
2022
59.00
60.03
54.70
50.54
45.01
40.04
37.63
42.39
47.00
53.89
58.52
58.42
2023
62.37
59.58
54.01
48.98
45.99
38.78
36.47
39.49
44.84
52.55
52.82
58.54
2024
62.14
60.18
53.21
M
M
M
M
46.26
45.98
54.65
55.82
58.65
2025
61.09
M
M
M
M
M
M
M
M
M
M
M
Average Daily Low Temperature [F]
Year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1973
45.50
49.43
43.33
M
M
M
M
M
M
M
M
M
1974
M
M
M
M
M
M
M
M
M
M
M
M
1975
M
M
M
39.20
M
M
M
M
M
38.85
42.96
46.60
1976
45.75
46.00
45.00
48.00
M
M
26.33
30.80
26.67
M
41.00
M
1977
M
M
36.00
M
M
29.82
28.03
27.66
30.86
36.19
38.37
44.32
1978
45.10
43.71
42.83
37.21
33.34
29.13
28.03
30.35
34.52
35.19
38.57
41.93
1979
45.19
44.00
41.16
38.53
31.00
31.71
29.70
26.68
31.60
34.00
37.27
44.29
1980
41.90
42.18
40.00
29.93
29.50
27.30
26.87
30.74
33.83
35.30
37.30
41.00
1981
43.00
41.74
37.81
36.53
31.94
27.57
28.39
30.30
31.43
36.71
39.17
41.58
1982
45.65
42.82
38.06
37.74
M
28.57
24.79
28.80
32.88
35.40
38.73
41.42
1983
43.23
40.64
39.94
37.17
31.73
25.57
29.19
30.84
33.43
37.23
40.68
43.45
1984
41.97
40.93
37.94
35.54
25.10
22.83
19.06
28.74
33.60
36.45
41.11
43.57
1985
46.32
45.32
37.93
34.13
31.48
28.23
29.94
31.87
33.40
36.03
41.23
43.07
1986
43.77
40.54
38.74
33.89
27.62
25.27
28.81
31.29
31.60
35.38
38.21
42.20
1987
43.69
44.33
39.97
36.79
33.46
30.32
27.53
28.10
31.79
37.37
41.32
43.10
1988
42.61
44.44
43.32
35.03
32.55
30.48
28.00
27.35
34.10
34.87
40.11
41.90
1989
43.88
45.59
40.94
36.58
32.46
27.52
30.68
30.40
32.20
39.34
41.07
42.96
1990
44.11
46.12
43.85
34.76
35.45
30.30
30.65
31.35
34.13
38.65
40.30
42.53
1991
44.90
44.59
41.26
37.89
33.16
27.10
26.18
28.65
32.52
36.74
40.55
40.97
1992
49.12
42.50
39.16
37.77
32.13
25.50
24.10
31.04
32.41
37.64
41.00
47.52
1993
44.47
49.63
43.10
35.43
32.66
25.07
30.03
32.23
35.37
38.61
39.60
42.61
1994
45.68
42.32
39.48
38.47
28.97
28.87
25.74
32.03
32.10
34.55
42.40
43.58
1995
47.80
44.14
37.71
39.00
35.48
26.33
18.19
24.28
33.03
39.77
41.47
43.57
1996
42.81
42.10
41.42
34.69
35.42
29.47
30.48
31.32
34.13
35.48
38.60
43.94
1997
44.61
42.37
41.77
35.93
28.04
27.57
24.32
30.71
31.97
37.07
41.00
43.27
1998
43.61
46.00
41.84
38.03
31.26
31.90
32.84
31.94
32.63
37.42
40.07
41.74
1999
43.87
41.61
39.87
37.90
32.45
23.77
29.32
30.13
31.67
35.39
41.43
41.10
2000
42.94
41.62
38.65
37.43
32.13
26.20
28.97
31.48
28.70
35.26
38.28
41.81
2001
43.77
40.82
37.16
35.97
32.32
29.03
22.29
28.81
31.90
35.35
38.15
41.90
2002
41.61
42.96
34.52
34.40
23.71
20.00
27.29
29.97
33.30
33.77
37.40
43.05
2003
41.85
42.36
39.37
35.76
34.60
27.79
32.24
30.61
31.77
33.89
36.42
41.62
2004
M
M
M
M
M
M
M
M
M
M
M
M
2005
M
M
M
M
M
M
M
M
M
M
M
M
2006
M
M
M
M
M
M
M
M
M
M
M
M
2007
M
44.92
M
M
M
M
M
M
M
M
M
M
2008
M
M
M
M
M
M
M
M
M
M
M
M
2009
M
M
M
51.80
M
M
M
M
M
M
M
M
2010
M
M
M
M
44.60
M
M
39.20
M
M
41.90
39.72
2011
44.48
M
M
M
30.20
24.80
M
30.92
33.50
40.07
43.70
49.19
2012
49.19
40.88
44.08
35.36
30.95
27.38
27.01
31.88
35.24
38.10
43.22
43.61
2013
50.87
45.50
42.16
41.66
31.19
31.28
31.88
29.21
31.10
36.01
38.24
41.87
2014
42.86
44.34
38.62
35.84
33.92
30.74
28.98
31.42
33.56
35.77
38.18
42.16
2015
41.93
41.96
42.57
34.46
34.21
30.32
28.46
30.95
31.22
34.85
39.44
38.45
2016
44.02
42.80
42.16
32.18
26.95
32.30
30.90
29.33
33.68
36.24
39.14
40.59
2017
42.57
43.44
41.81
36.68
32.87
27.62
31.88
32.41
33.62
35.60
39.32
40.07
2018
44.14
42.99
37.75
34.52
31.13
26.18
24.97
31.54
30.02
32.75
38.42
42.68
2019
41.06
40.68
41.00
34.76
31.83
28.46
29.45
28.46
32.06
34.32
37.70
42.34
2020
44.37
43.92
42.10
36.08
33.10
25.40
21.20
28.52
32.36
35.72
39.98
42.80
2021
42.28
43.51
39.49
36.38
32.46
29.96
30.32
31.88
33.92
33.74
38.36
42.86
2022
40.88
41.71
39.08
32.48
31.59
28.04
25.44
30.90
31.70
35.43
38.60
39.95
2023
42.92
40.42
34.50
32.78
32.81
28.10
24.39
30.03
30.92
34.73
35.84
40.01
2024
41.99
43.05
41.13
M
M
M
M
31.86
29.96
37.52
37.94
42.16
2025
43.88
M
M
M
M
M
M
M
M
M
M
M
Average Daily Temperature (high+low)/2 [F]
Year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1973
50.25
53.50
49.33
M
M
M
M
M
M
M
M
M
1974
M
M
M
M
M
M
M
M
M
M
M
M
1975
M
M
M
43.30
M
M
M
M
M
45.62
48.65
50.60
1976
50.38
52.50
49.33
51.50
M
M
30.17
34.70
31.67
M
46.00
M
1977
M
M
43.00
M
M
33.09
30.90
32.36
37.28
43.03
46.58
52.71
1978
52.42
51.50
49.60
43.98
38.43
33.75
31.97
35.24
40.14
42.98
45.83
49.80
1979
52.77
51.66
48.89
45.97
36.25
33.86
34.04
32.32
37.85
42.15
44.40
52.23
1980
51.22
49.96
47.10
38.65
35.60
32.73
32.02
35.29
39.62
43.90
44.47
49.35
1981
51.31
51.13
45.31
42.70
37.39
32.43
33.05
35.02
38.58
44.76
47.15
50.00
1982
54.03
51.75
46.50
44.61
M
32.21
29.92
33.75
38.35
42.78
46.94
49.73
1983
51.84
48.70
47.21
43.52
37.28
31.03
33.50
35.60
40.15
44.53
48.52
51.98
1984
50.06
49.41
47.29
44.09
31.52
28.77
25.02
34.32
40.22
42.02
48.89
49.65
1985
53.61
52.78
45.38
41.92
35.79
32.47
34.16
37.13
40.55
43.47
48.38
50.72
1986
52.03
49.36
46.10
41.18
32.40
30.80
33.10
36.08
38.58
43.41
45.12
49.98
1987
51.21
50.00
47.40
42.71
38.94
34.74
31.33
33.12
38.84
44.92
49.14
50.53
1988
50.52
52.41
50.19
42.37
38.61
34.74
32.82
32.92
40.27
41.65
47.59
49.02
1989
50.48
52.24
48.18
42.42
38.16
32.05
34.34
35.82
39.17
45.88
47.72
50.16
1990
51.46
53.56
49.67
42.22
40.35
34.17
35.11
36.26
39.63
45.48
47.39
49.68
1991
52.47
51.28
47.44
43.61
38.06
32.07
30.91
34.56
38.40
42.54
46.57
47.34
1992
54.94
49.62
46.19
43.27
36.27
29.42
28.90
35.72
38.22
43.46
47.34
51.79
1993
50.25
54.78
48.76
41.68
37.43
28.65
33.76
37.12
42.12
46.21
48.52
49.98
1994
54.02
51.14
47.44
44.52
34.48
32.68
30.85
36.85
38.70
42.66
48.00
50.16
1995
53.68
51.70
46.19
45.75
40.19
30.28
21.71
27.67
37.68
45.42
48.43
51.12
1996
49.60
49.21
47.77
40.76
40.37
33.88
34.89
37.24
41.98
43.19
47.43
51.32
1997
51.73
49.26
49.71
41.92
34.52
31.62
29.58
35.50
37.98
44.29
48.22
49.20
1998
51.53
53.70
50.18
45.58
38.35
36.83
36.73
38.16
40.18
45.21
47.78
50.31
1999
53.17
50.77
48.16
45.42
38.61
29.65
33.95
35.27
38.68
44.58
50.17
50.02
2000
51.08
49.64
46.37
44.32
38.10
31.38
32.84
37.05
35.92
43.50
46.21
48.61
2001
51.00
48.68
46.08
43.32
37.77
33.22
27.02
34.29
38.75
43.58
46.33
50.74
2002
51.11
51.90
43.18
41.35
31.03
26.45
32.37
34.47
39.22
41.02
45.63
51.48
2003
49.72
51.15
46.70
43.88
40.53
32.95
36.84
37.02
39.49
42.46
45.45
49.34
2004
M
M
M
M
M
M
M
M
M
M
M
M
2005
M
M
M
M
M
M
M
M
M
M
M
M
2006
M
M
M
M
M
M
M
M
M
M
M
M
2007
M
49.45
M
M
M
M
M
M
M
M
M
M
2008
M
M
M
M
M
M
M
M
M
M
M
M
2009
M
M
M
51.80
M
M
M
M
M
M
M
M
2010
M
M
M
M
44.60
M
M
39.20
M
M
43.70
48.17
2011
51.44
M
M
M
30.20
24.80
M
36.77
39.53
46.23
49.61
55.11
2012
55.77
49.16
50.46
41.69
36.96
32.42
31.94
37.46
41.48
45.67
50.24
48.72
2013
57.08
52.35
48.87
47.24
37.37
36.11
36.79
34.99
38.66
43.93
46.49
49.07
2014
50.46
52.12
46.81
43.52
39.37
35.12
34.06
37.31
39.86
43.96
47.03
50.58
2015
51.92
51.54
50.96
43.52
39.43
34.22
32.64
36.24
38.90
43.24
48.23
47.85
2016
53.66
51.77
50.84
40.79
35.89
37.94
35.34
35.60
41.90
45.12
48.89
49.59
2017
51.28
51.61
47.82
43.91
39.08
32.72
36.56
37.46
40.64
43.44
47.33
49.13
2018
52.76
52.76
46.81
42.11
37.95
31.91
30.93
37.34
37.64
42.02
48.05
52.24
2019
50.49
50.74
49.01
42.26
38.42
33.53
33.89
35.31
40.04
43.12
46.82
51.16
2020
52.09
52.82
50.06
44.72
39.17
30.86
27.21
34.93
39.83
44.60
49.76
51.51
2021
51.51
53.60
48.93
43.88
38.42
34.94
35.16
37.81
42.17
44.28
47.51
52.58
2022
49.94
50.87
46.89
41.51
38.30
34.04
31.54
36.65
39.35
44.66
48.56
49.19
2023
52.64
50.00
44.25
40.88
39.40
33.44
30.43
34.76
37.88
43.64
44.33
49.27
2024
52.06
51.61
47.17
M
M
M
M
39.06
37.97
46.08
46.88
50.41
2025
52.48
M
M
M
M
M
M
M
M
M
M
M
Average Relative Humidity [%]
This value is computed via a simple average of available observations weighted
by the duration between observations.