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
M
M
M
M
M
M
M
M
M
M
M
M
1974
M
M
M
M
M
M
M
M
M
M
M
M
1975
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
1976
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
1977
0.00
0.00
0.00
0.00
0.00
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
0.00
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
M
M
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
0.00
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
0.00
0.00
0.00
0.00
0.00
0.00
0.00
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
M
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
M
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
2026
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
M
M
M
M
M
M
M
M
M
M
M
M
1974
M
M
M
M
M
M
M
M
M
M
M
M
1975
3.3
10.7
5.9
6.9
4.0
2.8
2.5
4.5
3.9
4.3
5.3
5.2
1976
5.0
5.4
4.9
4.1
3.7
3.7
3.4
3.4
4.4
3.3
6.6
5.0
1977
5.5
5.9
3.5
2.8
3.3
2.3
1.6
2.4
1.9
2.7
3.9
5.0
1978
5.9
4.1
4.1
3.2
2.7
2.0
1.0
1.3
1.3
3.0
2.8
5.2
1979
5.3
4.6
3.6
1.9
2.0
1.3
1.3
1.3
1.4
3.0
3.9
4.2
1980
3.9
3.1
2.4
2.2
1.9
0.8
1.3
0.8
0.5
1.4
2.8
3.0
1981
3.5
1.3
1.9
1.3
1.6
1.5
1.6
1.2
2.3
1.6
1.2
7.1
1982
6.9
4.3
6.5
4.0
1.4
1.8
2.2
1.2
2.9
2.5
5.2
6.5
1983
4.8
5.0
4.3
4.8
3.9
3.0
1.7
1.8
2.6
3.4
4.4
6.6
1984
3.8
6.2
5.7
3.4
3.5
1.5
1.5
1.9
M
M
1.6
2.0
1985
1.7
0.8
3.7
3.6
3.1
2.2
2.4
2.6
1.5
1.4
1.2
0.3
1986
4.1
1.7
4.0
3.1
3.0
2.9
1.9
2.0
1.5
1.1
1.8
2.6
1987
2.0
1.6
2.5
3.4
4.2
3.2
2.4
2.0
1.0
0.9
2.5
1.5
1988
2.5
2.6
4.7
4.1
3.4
3.0
2.5
2.1
1.4
1.5
1.6
1.5
1989
1.2
1.7
2.5
4.2
3.1
2.7
2.4
2.2
2.6
0.4
1.4
1.2
1990
0.8
1.9
3.6
3.7
2.9
2.6
2.6
2.6
1.7
2.2
1.7
2.1
1991
2.0
1.0
3.1
4.3
4.0
3.1
2.8
2.5
2.4
1.6
2.0
2.2
1992
2.4
2.0
3.3
3.2
3.2
2.9
2.3
1.5
1.5
2.9
1.3
1.6
1993
1.1
2.5
2.1
3.1
2.8
2.4
2.3
1.7
2.2
2.1
1.6
0.6
1994
1.3
1.7
4.4
5.6
3.4
4.6
3.4
2.6
3.5
2.0
1.7
2.1
1995
3.7
2.4
5.7
4.9
4.4
3.5
3.5
4.2
3.0
1.1
3.0
3.2
1996
2.6
3.4
4.5
4.7
4.6
4.5
3.7
2.5
3.2
3.8
3.1
2.8
1997
1.9
3.0
4.0
4.6
4.6
3.3
3.2
3.5
2.2
2.3
1.8
2.7
1998
2.4
2.6
4.0
3.4
2.4
2.6
3.1
2.8
1.6
2.8
3.1
3.1
1999
2.4
4.7
3.7
4.6
4.9
3.7
3.5
1.6
2.9
2.7
3.8
3.8
2000
3.0
3.0
3.9
4.9
4.1
4.3
4.8
3.5
3.3
2.5
3.0
2.2
2001
2.4
3.7
3.9
4.9
5.6
6.2
5.7
5.2
6.1
4.0
6.0
6.3
2002
4.6
4.5
4.3
4.7
4.0
4.1
4.4
4.1
3.5
3.3
3.6
3.1
2003
4.4
4.1
3.6
4.5
4.6
3.9
4.8
4.8
2.8
2.7
3.0
5.5
2004
3.9
2.4
4.1
4.1
4.5
3.4
3.1
1.5
1.5
1.7
4.5
3.5
2005
2.5
3.3
2.0
4.2
3.5
3.1
3.1
3.3
1.6
2.7
1.9
3.0
2006
2.4
2.7
3.5
2.9
3.5
2.9
2.3
2.5
2.9
1.6
1.7
2.1
2007
2.8
2.9
4.1
3.4
3.4
3.7
3.6
3.0
2.3
2.6
3.1
2.9
2008
2.4
2.1
4.2
3.8
3.3
2.7
2.9
2.5
2.5
1.9
2.9
3.5
2009
2.2
3.3
4.6
5.8
3.3
4.4
1.1
0.8
0.2
0.0
0.0
0.0
2010
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
2011
0.0
0.0
0.0
0.0
0.0
0.0
0.0
1.5
1.4
1.2
1.1
1.9
2012
2.1
1.3
2.1
1.9
1.9
1.4
1.6
1.8
1.6
1.1
1.9
1.4
2013
1.7
2.1
2.2
2.4
2.1
4.5
4.8
4.8
4.8
3.8
5.0
4.4
2014
4.5
5.0
6.2
5.8
5.6
5.1
4.8
4.6
4.7
4.2
3.8
4.4
2015
5.0
5.7
6.4
5.5
5.3
4.7
5.0
4.8
5.1
4.3
4.7
3.4
2016
4.6
5.4
6.0
5.7
5.7
5.2
4.9
4.7
4.4
4.2
4.0
4.5
2017
4.5
4.4
5.4
5.8
5.0
5.1
5.5
5.0
5.1
4.3
4.8
4.7
2018
4.2
4.5
4.7
5.3
5.2
5.3
3.5
3.6
3.7
5.6
3.9
3.4
2019
4.5
4.4
4.7
2.9
5.1
4.8
5.7
4.5
5.9
0.7
0.8
0.5
2020
0.0
0.7
0.4
1.0
3.5
5.0
4.8
5.1
4.8
4.5
2.9
3.2
2021
1.7
1.0
0.4
0.0
3.5
4.8
5.0
4.4
4.3
3.7
5.0
3.8
2022
4.6
5.1
4.7
6.3
5.2
5.0
5.2
4.8
5.0
3.4
4.1
4.1
2023
5.1
4.4
5.6
4.2
M
M
M
M
M
M
M
M
2024
M
5.2
5.8
7.2
5.8
6.0
5.8
5.8
3.7
4.6
3.2
4.8
2025
4.4
4.5
5.5
6.1
5.9
5.5
6.1
5.5
5.0
4.7
4.4
5.5
2026
4.8
5.2
6.3
5.8
5.9
6.0
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
M
48.20
42.31
M
M
M
M
M
M
M
M
M
1974
M
50.00
55.40
M
M
M
M
M
M
M
M
M
1975
43.00
34.38
32.39
42.28
47.50
56.80
62.74
58.52
57.17
48.35
37.40
38.61
1976
41.94
33.28
35.35
40.56
53.24
59.20
61.90
55.68
49.83
45.03
36.30
32.13
1977
30.67
38.78
41.61
43.30
44.16
52.33
57.23
54.13
52.67
47.94
41.93
38.00
1978
34.00
31.68
38.42
37.13
45.42
55.03
58.81
57.77
57.67
49.81
43.53
38.74
1979
32.84
35.28
40.74
41.37
51.58
57.30
61.81
57.06
53.93
46.13
42.77
41.94
1980
32.65
36.66
37.65
40.10
44.13
55.60
59.74
61.55
57.43
50.39
39.63
35.17
1981
35.06
32.89
42.10
41.40
48.53
58.43
60.35
61.16
54.93
50.84
46.27
35.00
1982
36.50
32.75
34.39
40.57
47.97
58.20
62.90
58.13
55.23
46.77
41.00
37.10
1983
42.94
30.00
40.16
41.93
48.61
54.83
67.13
58.52
58.13
50.71
41.83
36.90
1984
33.59
29.03
31.81
38.83
40.48
56.33
63.84
59.33
M
M
47.00
43.75
1985
34.50
44.00
M
55.00
65.33
66.60
64.00
67.00
68.00
57.00
M
M
1986
43.00
35.00
54.00
M
M
67.00
76.00
66.50
58.33
47.00
M
M
1987
27.00
M
M
M
M
M
M
M
M
M
M
41.00
1988
M
M
M
M
M
M
M
M
M
59.47
44.67
47.19
1989
45.94
49.44
58.00
53.97
68.55
73.63
78.20
77.90
68.52
62.50
48.67
41.42
1990
45.47
51.95
59.56
55.00
69.43
73.88
80.06
78.84
71.47
60.52
48.76
38.06
1991
40.71
40.63
52.63
55.93
62.39
73.50
82.84
81.68
71.53
55.03
48.30
44.87
1992
42.06
48.69
54.58
57.10
69.27
69.47
78.84
81.84
69.37
54.74
52.73
42.77
1993
45.06
47.04
50.13
56.50
67.19
75.20
75.61
79.94
66.17
55.48
45.27
43.50
1994
44.00
39.82
58.10
56.93
65.97
73.69
82.39
81.55
67.03
56.73
52.20
44.63
1995
41.32
47.46
49.87
59.73
65.97
70.93
81.84
76.19
64.77
63.13
49.00
38.43
1996
39.13
37.18
46.20
58.87
67.03
76.45
76.20
74.61
63.23
56.86
48.27
39.97
1997
41.19
48.39
60.16
61.57
68.58
72.52
77.61
79.40
73.00
60.00
46.25
41.55
1998
41.25
52.65
55.05
56.25
68.16
74.05
77.28
77.90
68.06
60.06
45.50
42.26
1999
45.73
46.68
53.61
59.87
69.42
74.83
80.46
74.50
72.20
61.28
48.38
42.10
2000
43.58
50.19
57.52
58.73
68.94
76.60
78.71
80.90
74.87
60.32
47.93
44.06
2001
39.84
48.43
53.42
58.63
68.06
77.87
81.35
83.90
69.27
66.19
51.10
42.16
2002
43.74
49.22
57.23
58.27
67.26
78.57
78.55
76.39
69.07
61.74
51.10
43.29
2003
43.67
42.34
57.50
58.79
72.74
86.68
86.10
90.09
71.43
55.40
48.04
42.63
2004
M
M
M
M
M
M
82.40
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
50.61
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
50.00
M
2010
M
M
M
M
M
M
M
71.60
M
M
48.20
35.69
2011
39.70
47.71
52.03
66.30
73.35
73.40
77.10
83.27
76.53
60.53
48.49
45.54
2012
45.24
41.99
61.96
57.86
69.05
78.93
81.59
82.46
68.54
60.34
50.54
42.34
2013
41.68
38.30
46.52
57.32
63.82
75.44
82.40
79.90
73.70
58.48
49.94
46.63
2014
43.50
45.56
56.45
62.24
67.25
74.84
76.48
75.14
71.42
62.31
51.32
46.17
2015
46.33
42.48
53.83
63.14
71.08
77.90
86.64
78.92
67.87
57.90
56.06
49.44
2016
45.10
47.60
53.50
63.20
67.36
77.60
83.21
81.70
76.40
58.42
48.74
47.56
2017
38.68
47.75
60.68
63.50
71.89
82.52
83.70
85.25
70.82
66.43
49.82
41.12
2018
47.21
39.71
48.72
64.46
67.19
77.84
83.21
82.92
74.87
61.67
48.92
47.04
2019
44.60
51.99
59.29
59.00
63.18
80.96
82.98
80.14
71.24
60.86
46.94
45.59
2020
47.10
52.17
49.30
61.16
67.88
72.86
79.33
80.00
72.20
57.45
53.09
41.00
2021
39.01
47.39
55.56
54.71
66.54
77.34
79.37
80.11
74.26
61.91
48.65
47.22
2022
47.39
53.69
52.27
61.65
71.19
80.51
85.83
82.73
73.14
68.09
51.97
41.72
2023
44.00
46.04
50.40
58.49
57.20
M
M
M
M
M
M
M
2024
M
51.80
55.81
62.24
65.97
73.40
82.34
84.39
68.11
62.27
56.14
48.13
2025
44.32
46.67
54.53
62.30
68.99
83.54
82.34
82.17
72.26
62.97
M
M
2026
M
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
M
48.20
42.15
M
M
M
M
M
M
M
M
M
1974
M
50.00
55.40
M
M
M
M
M
M
M
M
M
1975
43.00
23.38
25.06
33.97
39.67
49.04
55.55
51.74
48.33
38.81
29.00
30.45
1976
30.13
25.28
26.52
33.38
43.21
50.17
52.87
48.10
42.17
39.83
30.30
24.87
1977
23.27
30.37
33.48
35.17
37.94
45.40
50.19
48.03
44.80
42.03
33.30
29.71
1978
28.61
26.46
32.87
32.13
39.10
47.93
52.65
52.00
50.20
42.55
37.43
32.42
1979
26.77
29.96
34.61
34.03
43.61
51.23
53.68
51.23
47.53
41.39
34.20
34.45
1980
27.16
31.55
31.10
33.03
37.90
48.93
52.87
55.68
51.10
43.68
34.20
28.20
1981
26.77
26.30
34.81
35.27
42.90
50.87
52.71
54.26
49.40
44.81
39.27
28.55
1982
30.20
27.00
27.16
33.80
42.03
50.77
55.65
52.84
50.00
40.68
35.80
31.77
1983
36.84
23.57
33.10
35.03
41.35
47.07
60.87
52.84
51.77
43.68
34.70
29.94
1984
26.72
22.34
25.65
32.00
34.16
48.87
55.48
52.75
M
M
47.00
42.50
1985
34.50
44.00
M
55.00
65.33
63.00
64.00
67.00
68.00
57.00
M
M
1986
43.00
35.00
54.00
M
M
67.00
76.00
66.50
58.33
47.00
M
M
1987
27.00
M
M
M
M
M
M
M
M
M
M
41.00
1988
M
M
M
M
M
M
M
M
M
52.82
36.23
38.92
1989
37.26
38.22
46.69
42.83
55.58
58.97
65.27
65.13
57.69
53.50
41.04
34.16
1990
37.35
40.71
47.12
43.92
56.46
60.33
65.94
65.10
59.07
52.94
40.21
31.94
1991
33.74
32.00
43.17
41.53
48.13
57.87
67.74
67.13
59.87
46.52
39.53
34.77
1992
33.71
38.76
42.48
46.53
55.20
56.93
65.26
67.32
58.20
46.06
43.50
35.97
1993
35.65
36.82
39.35
45.13
54.94
61.00
63.19
68.03
56.37
48.16
38.90
37.18
1994
37.58
33.21
46.32
46.55
56.06
61.79
69.87
68.87
58.07
49.10
46.00
38.67
1995
34.39
40.21
38.77
48.30
54.03
57.83
69.29
64.16
54.77
55.07
42.21
34.17
1996
34.61
30.14
37.47
47.40
54.74
63.17
63.23
63.52
54.07
50.24
41.60
35.48
1997
35.55
39.46
47.81
46.97
57.52
62.29
63.96
65.90
61.00
52.83
39.75
35.40
1998
33.50
41.05
43.14
46.60
58.16
62.50
65.40
66.90
57.39
49.19
37.70
34.90
1999
36.83
33.64
41.09
46.73
56.77
60.10
66.27
65.73
60.60
51.16
39.29
34.03
2000
34.35
39.67
42.39
46.10
57.26
62.83
62.61
67.45
60.87
52.29
39.76
37.48
2001
33.10
36.82
41.68
44.00
56.10
62.40
67.28
70.13
56.57
56.52
41.27
30.94
2002
34.19
38.30
44.42
46.10
53.55
63.90
64.06
63.29
57.20
51.19
43.53
36.97
2003
33.90
31.45
43.70
45.49
57.35
69.51
69.03
72.02
56.75
45.44
41.21
37.18
2004
M
M
M
M
M
M
68.00
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
34.76
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
50.00
M
2010
M
M
M
M
M
M
M
69.80
M
M
42.80
31.49
2011
33.30
38.29
41.19
52.43
57.00
60.53
62.55
69.30
63.83
50.60
42.18
38.68
2012
35.31
30.57
47.56
44.11
52.24
65.93
65.56
67.71
56.60
51.74
44.60
36.18
2013
35.04
34.10
38.79
48.14
53.02
61.70
66.72
65.04
60.02
51.34
41.84
38.68
2014
36.30
36.76
43.38
49.34
52.96
59.78
61.90
62.54
58.94
53.37
44.96
40.22
2015
36.93
34.44
41.64
47.66
55.92
61.76
70.50
63.76
55.98
48.43
44.72
34.54
2016
27.78
30.98
31.30
40.01
43.05
50.62
55.71
54.30
58.21
48.03
41.24
38.85
2017
30.43
37.98
45.94
47.42
55.75
64.64
66.20
67.71
54.68
52.38
40.70
33.51
2018
37.98
30.91
37.28
51.26
54.06
62.24
67.19
66.95
60.23
51.51
42.50
38.45
2019
34.96
39.84
43.79
45.86
48.61
64.82
67.65
67.13
58.82
52.03
40.58
39.37
2020
39.49
42.37
40.77
50.18
56.50
61.04
68.07
68.09
60.71
50.16
46.49
35.77
2021
32.38
39.38
44.29
45.97
53.17
63.71
67.92
67.92
62.26
51.54
43.16
39.77
2022
38.30
41.63
41.31
47.63
58.75
66.80
70.57
68.49
61.31
58.91
44.77
36.14
2023
36.54
39.02
41.00
49.61
51.80
M
M
M
M
M
M
M
2024
M
43.01
43.21
47.90
53.72
62.18
69.68
70.05
59.22
55.89
47.35
39.47
2025
37.33
39.00
42.57
49.64
56.30
67.94
66.84
67.48
59.72
52.17
M
M
2026
M
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
M
48.20
42.23
M
M
M
M
M
M
M
M
M
1974
M
50.00
55.40
M
M
M
M
M
M
M
M
M
1975
43.00
28.88
28.73
38.12
43.58
52.92
59.15
55.13
52.75
43.58
33.20
34.53
1976
36.03
29.28
30.94
36.97
48.22
54.68
57.39
51.89
46.00
42.43
33.30
28.50
1977
26.97
34.57
37.55
39.23
41.05
48.87
53.71
51.08
48.73
44.98
37.62
33.85
1978
31.31
29.07
35.65
34.63
42.26
51.48
55.73
54.89
53.93
46.18
40.48
35.58
1979
29.81
32.62
37.68
37.70
47.60
54.27
57.74
54.15
50.73
43.76
38.48
38.19
1980
29.90
34.10
34.37
36.57
41.02
52.27
56.31
58.61
54.27
47.03
36.92
31.68
1981
30.92
29.59
38.45
38.33
45.72
54.65
56.53
57.71
52.17
47.82
42.77
31.77
1982
33.35
29.88
30.77
37.18
45.00
54.48
59.27
55.48
52.62
43.73
38.40
34.44
1983
39.89
26.79
36.63
38.48
44.98
50.95
64.00
55.68
54.95
47.19
38.27
33.42
1984
30.16
25.69
28.73
35.42
37.32
52.60
59.66
56.04
M
M
47.00
43.12
1985
34.50
44.00
M
55.00
65.33
64.80
64.00
67.00
68.00
57.00
M
M
1986
43.00
35.00
54.00
M
M
67.00
76.00
66.50
58.33
47.00
M
M
1987
27.00
M
M
M
M
M
M
M
M
M
M
41.00
1988
M
M
M
M
M
M
M
M
M
56.15
40.45
43.06
1989
41.60
43.83
52.35
48.40
62.06
66.30
71.73
71.52
63.10
58.00
44.85
37.79
1990
41.41
46.33
53.34
49.46
62.95
67.10
73.00
71.97
65.27
56.73
44.48
35.00
1991
37.23
36.31
47.90
48.73
55.26
65.68
75.29
74.40
65.70
50.77
43.92
39.82
1992
37.89
43.72
48.53
51.82
62.23
63.20
72.05
74.58
63.78
50.40
48.12
39.37
1993
40.35
41.93
44.74
50.82
61.06
68.10
69.40
73.98
61.27
51.82
42.08
40.34
1994
40.79
36.52
52.21
51.74
61.02
67.74
76.13
75.21
62.55
52.92
49.10
41.65
1995
37.85
43.84
44.32
54.02
60.00
64.38
75.56
70.18
59.77
59.10
45.60
36.30
1996
36.87
33.66
41.83
53.13
60.89
69.81
69.72
69.06
58.65
53.55
44.93
37.73
1997
38.37
43.93
53.98
54.27
63.05
67.40
70.78
72.65
67.00
56.42
43.00
38.48
1998
37.38
46.85
49.09
51.42
63.16
68.27
71.34
72.40
62.72
54.63
41.60
38.58
1999
41.28
40.16
47.35
53.30
63.10
67.47
73.37
70.11
66.40
56.22
43.83
38.06
2000
38.97
44.93
49.96
52.42
63.10
69.72
70.66
74.18
67.87
56.31
43.84
40.77
2001
36.47
42.62
47.55
51.32
62.08
70.13
74.32
77.02
62.92
61.35
46.18
36.55
2002
38.97
43.76
50.82
52.18
60.40
71.23
71.31
69.84
63.13
56.47
47.32
40.13
2003
38.79
36.89
50.60
52.14
65.05
78.09
77.56
81.05
64.09
50.42
44.62
39.90
2004
M
M
M
M
M
M
75.20
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
42.68
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
50.00
M
2010
M
M
M
M
M
M
M
70.70
M
M
45.50
33.59
2011
36.50
43.00
46.61
59.37
65.18
66.97
69.82
76.28
70.18
55.56
45.34
42.11
2012
40.27
36.28
54.76
50.98
60.64
72.43
73.57
75.08
62.57
56.04
47.57
39.26
2013
38.36
36.20
42.65
52.73
58.42
68.57
74.56
72.47
66.86
54.91
45.89
42.65
2014
39.90
41.16
49.91
55.79
60.10
67.31
69.19
68.84
65.18
57.84
48.14
43.19
2015
41.63
38.46
47.74
55.40
63.50
69.83
78.57
71.34
61.93
53.16
50.39
41.99
2016
36.44
39.29
42.40
51.61
55.21
64.11
69.46
68.00
67.31
53.22
44.99
43.21
2017
34.55
42.86
53.31
55.46
63.82
73.58
74.95
76.48
62.75
59.41
45.26
37.31
2018
42.60
35.31
43.00
57.86
60.63
70.04
75.20
74.94
67.55
56.59
45.71
42.74
2019
39.78
45.92
51.54
52.43
55.89
72.89
75.32
73.63
65.03
56.45
43.76
42.48
2020
43.29
47.27
45.04
55.67
62.19
66.95
73.70
74.04
66.46
53.80
49.79
38.39
2021
35.69
43.39
49.92
50.34
59.86
70.53
73.65
74.01
68.26
56.73
45.90
43.50
2022
42.84
47.66
46.79
54.64
64.97
73.66
78.20
75.61
67.23
63.50
48.37
38.93
2023
40.27
42.53
45.70
54.05
54.50
M
M
M
M
M
M
M
2024
M
47.41
49.51
55.07
59.84
67.79
76.01
77.22
63.67
59.08
51.75
43.80
2025
40.83
42.83
48.55
55.97
62.65
75.74
74.59
74.82
65.99
57.57
M
M
2026
M
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.
