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
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
1974
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
1975
M
M
M
M
M
M
M
M
M
M
M
M
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
M
M
M
M
M
M
M
M
M
M
M
M
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
M
M
M
M
M
M
M
M
M
M
M
M
1981
M
M
M
M
M
M
M
M
M
M
M
M
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
M
M
M
M
M
M
M
M
M
M
M
M
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
M
M
M
M
M
M
M
M
M
M
M
M
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
M
M
M
M
M
M
M
M
M
M
M
M
1988
M
M
M
M
M
M
M
M
M
M
M
M
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
M
M
M
M
M
M
M
M
M
M
M
M
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
M
M
M
M
M
M
M
M
M
M
M
M
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
M
M
M
M
M
M
M
M
M
M
M
M
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
M
M
M
M
M
M
0.00
M
M
M
0.00
M
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
M
M
M
M
M
M
M
M
M
M
M
M
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
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
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
5.5
5.1
7.7
6.0
5.2
4.7
3.4
5.0
5.9
4.3
2.0
2.4
1974
1.1
5.4
4.4
5.7
3.3
2.9
3.0
3.0
2.7
3.0
2.1
0.9
1975
M
M
M
M
M
M
M
M
M
M
M
M
1976
2.0
5.1
4.5
5.0
3.6
4.5
3.3
2.0
2.3
2.1
2.6
2.1
1977
2.2
1.9
2.8
2.8
3.9
3.8
3.1
2.5
3.1
1.2
2.2
1.9
1978
M
M
M
M
M
M
M
M
M
M
M
M
1979
2.3
5.5
3.9
4.3
4.4
2.9
4.3
2.7
3.3
4.8
3.0
2.4
1980
M
M
M
M
M
M
M
M
M
M
M
M
1981
M
M
M
M
M
M
M
M
M
M
M
M
1982
2.2
2.9
5.3
5.6
3.6
2.9
2.8
2.3
2.1
3.9
3.8
2.7
1983
M
M
M
M
M
M
M
M
M
M
M
M
1984
1.7
6.4
4.7
5.0
4.7
3.0
2.7
1.8
2.3
1.9
2.2
3.0
1985
M
M
M
M
M
M
M
M
M
M
M
M
1986
2.4
7.6
4.5
4.1
2.9
3.2
3.8
3.9
2.8
2.4
1.8
1.0
1987
M
M
M
M
M
M
M
M
M
M
M
M
1988
M
M
M
M
M
M
M
M
M
M
M
M
1989
3.3
4.1
4.5
5.9
5.5
5.0
4.4
3.6
3.4
2.6
3.7
3.8
1990
M
M
M
M
M
M
M
M
M
M
M
M
1991
4.7
4.3
4.1
5.2
4.8
3.9
3.0
2.8
3.1
4.1
4.0
2.1
1992
1.8
1.7
4.1
5.0
4.0
4.1
4.1
3.7
3.3
4.6
2.4
4.5
1993
M
M
M
M
M
M
M
M
M
M
M
M
1994
4.3
4.5
3.4
4.9
3.7
3.4
5.9
5.4
5.4
5.3
3.2
4.0
1995
5.1
3.1
5.8
5.2
5.2
4.5
5.5
4.5
3.1
4.3
4.6
6.7
1996
5.9
6.4
6.6
4.8
4.9
6.1
5.7
4.9
4.4
5.4
5.1
4.7
1997
M
M
M
M
M
M
M
M
M
M
M
M
1998
3.2
4.4
6.1
5.7
5.8
5.0
4.9
7.2
6.3
6.3
7.6
6.2
1999
6.0
6.9
5.8
5.2
4.7
5.0
4.8
5.7
5.9
7.2
7.9
5.5
2000
3.5
3.2
4.7
4.5
5.1
5.3
7.3
7.0
6.8
6.3
5.9
5.6
2001
M
M
M
M
M
M
0.2
M
M
M
M
M
2002
4.6
2.4
2.7
4.4
1.4
1.8
4.0
2.7
4.1
2.5
3.0
5.4
2003
5.2
6.5
4.2
6.6
4.9
4.6
5.4
5.0
4.5
5.4
3.8
4.4
2004
M
M
M
M
M
M
M
M
M
M
M
M
2005
3.4
6.4
4.7
5.9
5.9
6.0
5.1
4.6
5.3
4.0
3.4
4.4
2006
M
M
M
M
M
M
M
M
M
M
M
M
2007
1.9
2.1
6.2
5.0
4.9
6.0
6.4
5.7
5.2
3.1
3.9
3.6
2008
2.7
3.4
5.9
4.4
4.9
4.3
5.0
4.8
5.2
3.9
4.1
4.8
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
3.6
2011
4.3
4.3
5.9
4.6
5.1
4.6
4.0
3.7
3.9
4.1
2.9
2.5
2012
3.5
7.1
4.2
4.8
4.4
4.1
5.4
4.5
4.4
3.2
3.9
3.2
2013
4.2
6.1
4.7
4.9
5.2
4.4
5.3
5.4
4.2
3.5
3.1
1.6
2014
2.5
3.9
4.5
3.3
4.1
4.9
4.1
4.7
3.6
4.2
3.5
3.1
2015
2.2
4.7
5.8
5.4
5.0
5.3
5.1
4.1
5.3
5.0
3.5
2.6
2016
1.9
4.6
5.9
3.6
3.1
4.3
3.7
4.5
3.9
3.0
3.7
2.2
2017
4.3
3.8
4.9
5.7
4.8
5.3
4.8
4.8
5.8
3.6
4.7
4.5
2018
4.0
7.2
5.9
5.1
5.2
5.2
4.9
5.2
4.7
5.7
5.1
3.8
2019
4.5
4.8
6.2
5.9
5.1
5.2
5.7
5.3
5.6
4.1
5.4
4.4
2020
4.1
4.7
7.9
7.1
7.1
5.9
5.8
6.0
6.0
5.2
4.8
5.7
2021
5.2
5.2
5.9
6.7
6.5
5.6
5.6
6.2
5.7
5.8
6.2
4.3
2022
4.8
5.6
6.6
6.6
6.4
5.9
6.7
6.4
6.0
4.5
4.9
4.2
2023
5.3
6.1
6.3
6.2
7.0
5.8
5.7
5.0
6.1
5.3
5.2
4.3
2024
4.8
4.7
5.2
6.3
5.9
6.2
5.7
5.7
6.2
4.9
4.7
5.3
2025
5.7
5.8
6.1
6.6
6.5
6.5
5.9
6.0
5.4
5.0
5.0
4.9
2026
4.1
4.3
4.9
5.7
5.0
5.1
5.4
6.3
4.9
4.9
M
M
Average Daily High Temperature [F]
Year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1973
45.86
48.73
54.94
56.00
69.86
77.84
80.25
83.50
76.94
63.88
51.32
43.90
1974
48.26
52.96
57.38
62.00
69.10
74.54
82.57
86.29
75.86
57.26
54.02
47.50
1975
48.66
51.29
55.75
63.68
73.57
77.30
83.21
81.53
79.52
66.78
53.48
49.01
1976
44.08
51.49
52.50
62.90
74.15
81.74
84.32
76.36
71.96
66.03
55.82
46.86
1977
46.81
52.06
59.29
61.17
71.48
78.56
80.66
79.90
72.74
67.01
55.52
49.42
1978
48.20
46.34
57.03
60.68
66.49
77.18
80.83
79.67
74.42
68.75
58.58
45.53
1979
42.80
48.52
56.04
61.22
75.08
83.78
81.65
80.60
75.02
65.04
57.02
49.94
1980
44.72
53.29
55.40
59.24
67.94
74.66
79.61
85.07
76.34
65.74
49.64
44.54
1981
45.76
47.81
57.32
65.24
70.90
79.34
81.82
82.46
75.56
67.71
53.36
45.41
1982
45.82
47.71
54.32
62.93
72.48
80.93
84.55
84.36
81.31
67.29
58.59
50.93
1983
47.65
44.68
56.64
62.36
71.85
80.57
89.47
83.93
78.21
68.12
55.83
48.63
1984
45.46
48.37
54.33
63.19
67.51
77.35
83.40
81.82
73.37
67.78
56.97
50.75
1985
40.18
45.79
53.82
62.90
73.75
77.00
87.47
86.52
83.51
70.37
52.91
49.90
1986
45.57
43.31
54.32
62.84
79.50
80.14
84.00
85.43
76.57
70.79
58.31
47.81
1987
42.48
49.90
48.68
63.76
68.87
77.40
86.40
81.53
81.70
65.91
56.46
47.61
1988
49.95
50.59
54.10
63.85
73.07
76.46
86.33
85.35
74.54
68.02
53.16
47.86
1989
49.02
54.92
62.23
63.38
73.41
76.80
84.21
82.47
76.80
63.84
54.44
50.44
1990
50.41
54.23
63.07
61.25
75.64
76.02
82.40
83.69
73.36
67.77
57.05
46.62
1991
47.28
47.46
60.86
62.56
64.53
76.42
85.66
84.45
77.34
58.28
55.23
46.59
1992
45.80
49.36
54.45
62.97
75.31
76.73
82.99
87.83
76.08
62.14
57.08
48.74
1993
45.40
51.43
54.14
63.74
76.72
79.29
80.19
85.95
71.59
64.58
51.44
49.35
1994
50.45
47.98
59.88
61.03
70.18
78.19
88.51
86.99
74.95
64.61
59.07
48.48
1995
46.05
51.49
53.71
61.61
70.27
73.90
85.78
80.61
70.54
70.35
53.88
47.57
1996
46.97
46.15
53.00
63.67
71.13
80.53
79.93
81.21
69.41
64.84
56.81
46.36
1997
48.83
51.57
61.80
59.47
72.42
77.60
81.02
82.38
78.81
63.67
55.48
48.99
1998
47.38
57.60
55.49
61.38
73.32
79.85
83.81
86.64
73.60
65.48
53.21
46.11
1999
48.25
48.01
57.01
63.34
73.46
79.58
84.05
83.09
79.17
67.42
53.71
46.14
2000
45.62
51.50
56.09
65.86
75.15
83.04
79.16
86.59
77.11
67.80
58.96
51.42
2001
48.60
53.19
57.58
62.36
76.88
77.02
82.75
86.63
69.00
69.89
54.33
44.58
2002
45.21
48.42
61.13
63.11
71.83
81.40
82.98
80.97
73.27
66.01
60.03
48.48
2003
46.74
47.31
59.09
61.57
77.50
87.91
86.76
91.57
76.11
60.95
57.21
49.94
2004
43.79
45.07
54.05
62.70
67.78
78.43
82.83
83.90
75.53
65.88
56.77
51.35
2005
45.16
45.40
54.03
60.79
73.26
80.47
82.28
77.15
74.41
63.75
54.29
45.41
2006
44.30
47.39
51.34
63.27
70.27
82.01
91.60
77.18
78.96
71.42
58.78
52.41
2007
50.28
55.03
61.23
73.47
75.49
79.05
84.39
79.52
71.00
62.77
53.65
49.59
2008
49.93
51.26
55.56
62.74
74.10
80.42
84.57
84.78
73.86
68.76
56.63
49.68
2009
50.49
50.32
57.54
67.80
77.33
78.35
84.09
87.20
79.31
66.18
55.80
47.85
2010
45.50
M
M
M
68.00
M
M
71.60
M
M
M
45.06
2011
44.30
52.71
57.42
70.28
78.16
79.54
81.68
86.58
83.54
67.42
60.14
50.06
2012
50.46
44.97
64.63
62.60
73.52
82.40
86.81
88.96
78.02
67.07
59.00
49.19
2013
51.16
48.07
51.68
65.00
69.05
80.18
88.38
86.29
75.32
65.97
57.50
52.32
2014
51.28
53.79
61.96
66.38
71.89
81.50
81.06
79.79
74.06
69.45
61.34
50.93
2015
51.34
52.31
59.70
65.54
74.33
83.42
90.59
88.26
76.64
66.61
57.50
50.93
2016
47.39
52.11
57.78
66.38
72.30
79.16
86.93
85.30
81.44
64.98
56.90
53.77
2017
44.95
51.61
62.66
65.90
73.57
83.48
85.42
88.96
71.24
66.95
56.60
48.55
2018
51.28
46.14
53.19
70.82
78.28
82.64
85.88
89.08
80.06
70.90
58.82
48.37
2019
46.81
56.17
61.55
65.00
66.26
86.66
86.29
87.80
77.66
69.22
59.42
52.90
2020
51.80
54.97
58.01
61.10
74.94
78.20
84.72
86.12
78.80
65.62
58.70
50.75
2021
46.92
52.83
57.78
60.86
68.81
84.08
86.35
85.07
79.70
66.49
57.98
49.13
2022
49.36
53.86
57.90
63.26
77.23
86.24
91.63
88.44
75.56
72.99
59.48
49.88
2023
50.75
51.86
59.23
63.14
73.40
82.82
86.87
85.25
81.08
72.30
58.28
53.25
2024
50.12
56.83
60.63
67.22
73.17
80.48
89.77
91.57
77.00
69.05
58.64
52.55
2025
51.39
52.57
60.16
67.76
72.35
87.44
84.61
86.35
77.48
66.32
58.16
54.65
2026
47.97
54.82
61.32
70.10
75.26
85.94
88.90
92.10
80.48
70.23
M
M
Average Daily Low Temperature [F]
Year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1973
34.34
33.00
37.52
42.74
53.19
61.94
67.07
65.85
59.48
46.92
36.98
32.35
1974
36.35
41.26
42.92
46.22
52.32
57.56
63.70
65.39
57.44
42.74
40.76
34.32
1975
35.89
33.22
41.17
45.86
55.17
58.58
63.18
63.59
60.62
47.33
40.52
34.09
1976
31.13
34.61
34.32
45.14
51.05
60.02
64.86
57.84
54.80
51.05
45.02
36.01
1977
37.34
39.07
41.29
40.82
51.86
58.52
61.85
61.44
51.26
49.19
40.64
30.72
1978
33.74
33.03
38.10
44.60
50.17
56.36
59.35
58.71
53.42
45.94
32.90
34.85
1979
28.92
36.69
41.35
43.58
49.88
60.86
60.74
59.75
54.92
47.27
37.22
35.48
1980
30.26
32.19
38.74
41.00
50.46
57.44
59.52
61.73
54.26
47.33
37.22
29.74
1981
24.16
28.40
41.00
43.82
49.83
58.22
59.81
60.39
57.98
50.99
35.12
32.41
1982
30.41
27.89
35.56
41.90
51.34
59.12
65.27
62.08
59.38
49.76
42.45
36.40
1983
30.54
29.04
37.83
47.23
53.56
58.69
65.02
61.93
56.61
47.28
33.47
32.15
1984
31.92
32.61
36.69
43.03
50.87
57.59
60.44
60.81
55.07
50.24
40.97
35.66
1985
25.82
27.25
39.47
43.04
52.86
57.29
64.81
62.05
55.76
47.27
37.91
37.36
1986
31.65
29.53
36.78
46.39
55.99
60.29
62.47
64.02
54.65
46.54
41.33
29.19
1987
27.33
34.24
29.66
43.97
48.75
58.64
64.85
62.52
61.95
52.46
39.61
34.99
1988
38.84
34.36
36.19
45.48
56.83
59.05
63.97
62.11
53.91
50.51
32.42
31.05
1989
28.40
35.53
40.94
46.52
51.93
56.98
63.59
62.26
56.15
45.11
37.08
33.64
1990
29.56
36.25
39.25
44.01
53.25
58.62
61.53
60.75
54.88
49.73
39.94
32.06
1991
30.75
27.99
43.02
42.34
47.94
56.71
64.56
63.64
59.24
43.87
38.63
25.84
1992
31.15
31.13
37.43
45.52
55.04
59.35
63.36
65.60
55.64
48.98
42.26
33.82
1993
31.04
26.23
33.54
44.75
55.65
60.65
61.44
64.66
56.35
51.44
39.32
35.81
1994
36.07
32.50
43.27
45.15
54.16
59.60
66.73
66.36
58.38
45.77
44.61
35.86
1995
30.01
36.00
35.34
43.94
53.26
59.12
65.96
60.66
53.98
47.10
37.37
35.84
1996
35.66
29.81
34.47
45.21
54.95
59.91
60.73
61.73
52.54
48.98
44.72
34.74
1997
35.85
34.46
36.84
39.93
54.35
61.39
61.57
63.39
56.37
47.81
42.27
38.12
1998
36.07
32.86
35.07
46.42
54.67
62.15
65.08
65.14
56.01
49.34
36.25
30.65
1999
31.54
29.70
40.26
47.18
57.15
62.45
66.10
66.15
60.77
51.10
38.82
31.67
2000
26.70
31.69
38.77
49.30
55.75
61.60
61.43
63.87
56.42
53.32
46.85
40.19
2001
38.95
34.40
44.71
44.11
57.56
55.36
64.19
64.69
52.79
52.33
35.93
25.80
2002
27.95
36.60
39.10
45.96
54.88
62.09
64.75
63.77
55.99
50.27
47.66
38.34
2003
30.47
24.66
34.12
42.70
53.39
65.07
64.67
67.10
51.97
45.42
44.13
34.93
2004
28.51
31.70
37.01
46.39
48.89
58.59
61.27
62.98
56.34
53.15
38.79
32.87
2005
27.65
25.88
33.73
42.99
52.54
59.11
62.94
59.78
56.61
48.95
38.68
30.69
2006
27.14
30.68
35.01
44.41
51.74
58.68
66.67
60.09
57.04
50.66
41.19
36.71
2007
38.17
37.26
42.08
47.25
54.31
61.11
59.75
60.73
50.46
43.90
35.09
30.68
2008
35.95
33.68
39.72
46.56
55.31
63.38
64.68
64.27
53.82
49.00
42.10
36.07
2009
34.78
34.17
39.38
50.17
56.00
59.82
63.09
65.45
58.47
46.50
45.03
33.02
2010
44.60
M
M
M
66.20
M
M
68.90
M
M
M
31.01
2011
32.10
31.32
37.32
44.97
52.97
62.13
63.32
64.08
60.32
45.94
36.80
33.16
2012
27.47
25.17
37.63
45.74
52.67
62.66
64.63
64.23
58.64
49.94
44.00
31.25
2013
34.03
31.61
38.97
47.60
54.35
59.96
66.20
63.53
58.28
52.44
43.40
34.79
2014
42.05
41.19
41.87
48.14
51.74
59.84
62.89
62.14
56.48
52.32
48.62
39.08
2015
34.96
35.28
41.12
44.72
56.15
60.50
68.06
65.74
57.50
48.26
37.76
33.92
2016
30.61
40.32
41.00
47.66
52.67
62.00
64.98
61.67
59.24
47.45
43.16
30.90
2017
26.25
37.53
40.30
45.50
54.47
61.88
63.35
64.11
55.04
46.17
40.64
32.75
2018
37.11
32.13
38.97
50.30
58.30
60.92
65.97
66.32
58.22
50.93
46.46
32.81
2019
29.45
33.86
38.62
47.54
51.05
64.52
65.50
66.95
57.44
50.46
46.04
37.05
2020
30.95
35.85
39.43
35.90
54.63
60.62
62.77
65.91
57.92
48.14
37.94
38.21
2021
32.35
37.40
34.44
42.38
50.70
61.46
65.56
62.72
56.66
44.77
42.44
32.99
2022
30.37
32.96
32.75
43.16
55.69
63.80
66.95
66.20
56.72
52.03
42.56
40.59
2023
37.86
32.90
40.42
42.80
55.98
61.28
65.62
64.40
60.20
53.77
39.80
37.23
2024
32.70
40.94
44.19
45.98
54.94
62.48
68.29
69.10
58.76
53.60
36.80
32.52
2025
38.27
35.66
41.93
48.98
53.60
64.46
64.52
64.98
59.30
46.28
39.92
36.01
2026
33.63
39.20
40.54
46.58
52.55
63.80
66.08
68.00
57.50
48.32
M
M
Average Daily Temperature (high+low)/2 [F]
Year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1973
40.10
40.87
46.23
49.37
61.53
69.89
73.66
74.68
68.21
55.40
44.15
38.13
1974
42.31
47.11
50.15
54.11
60.71
66.05
73.14
75.84
66.65
50.00
47.39
40.91
1975
42.28
42.25
48.46
54.77
64.37
67.94
73.20
72.56
70.07
57.05
47.00
41.55
1976
37.60
43.05
43.41
54.02
62.60
70.88
74.59
67.10
63.38
58.54
50.42
41.44
1977
42.07
45.56
50.29
51.00
61.67
68.54
71.25
70.67
62.00
58.10
48.08
40.07
1978
40.97
39.68
47.56
52.64
58.33
66.77
70.09
69.19
63.92
57.35
45.74
40.19
1979
35.86
42.61
48.69
52.40
62.48
72.32
71.19
70.18
64.97
56.15
47.12
42.71
1980
37.49
42.74
47.07
50.12
59.20
66.05
69.57
73.40
65.30
56.53
43.43
37.14
1981
34.96
38.11
49.16
54.53
60.36
68.78
70.82
71.43
66.77
59.35
44.24
38.91
1982
38.11
37.80
44.94
52.41
61.91
70.02
74.91
73.22
70.35
58.53
50.52
43.66
1983
39.09
36.86
47.24
54.79
62.70
69.63
77.25
72.93
67.41
57.70
44.65
40.39
1984
38.69
40.49
45.51
53.11
59.19
67.47
71.92
71.32
64.22
59.01
48.97
43.21
1985
33.00
36.52
46.65
52.97
63.30
67.15
76.14
74.29
69.63
58.82
45.41
43.63
1986
38.61
36.42
45.55
54.61
67.75
70.22
73.24
74.72
65.61
58.67
49.82
38.50
1987
34.90
42.07
39.17
53.87
58.81
68.02
75.63
72.02
71.82
59.19
48.03
41.30
1988
44.40
42.47
45.15
54.67
64.95
67.75
75.15
73.73
64.22
59.26
42.79
39.46
1989
38.71
45.23
51.58
54.95
62.67
66.89
73.90
72.36
66.47
54.48
45.76
42.04
1990
39.99
45.24
51.16
52.63
64.45
67.32
71.97
72.22
64.12
58.75
48.50
39.34
1991
39.01
37.73
51.94
52.45
56.23
66.57
75.11
74.04
68.29
51.07
46.93
36.21
1992
38.48
40.25
45.94
54.24
65.17
68.04
73.18
76.71
65.86
55.56
49.67
41.28
1993
38.22
38.83
43.84
54.24
66.18
69.97
70.82
75.31
63.97
58.01
45.38
42.58
1994
43.26
40.24
51.58
53.09
62.17
68.90
77.62
76.67
66.67
55.19
51.84
42.17
1995
38.03
43.75
44.52
52.77
61.77
66.51
75.87
70.64
62.26
58.72
45.62
41.70
1996
41.32
37.98
43.73
54.44
63.04
70.22
70.33
71.47
60.98
56.91
50.76
40.55
1997
42.34
43.02
49.32
49.70
63.38
69.49
71.29
72.89
67.59
55.74
48.87
43.55
1998
41.73
45.23
45.28
53.90
63.99
71.00
74.44
75.89
64.81
57.41
44.73
38.38
1999
39.90
38.86
48.63
55.26
65.31
71.02
75.07
74.62
69.97
59.26
46.27
38.90
2000
36.16
41.59
47.43
57.58
65.45
72.32
70.30
75.23
66.77
60.56
52.90
45.80
2001
43.77
43.80
51.15
53.24
67.22
66.19
73.47
75.66
60.90
61.11
45.13
35.19
2002
36.58
42.51
50.12
54.53
63.35
71.75
73.86
72.37
64.63
58.14
53.84
43.41
2003
38.61
35.99
46.60
52.14
65.45
76.49
75.72
79.34
64.04
53.18
50.67
42.44
2004
36.15
38.38
45.53
54.54
58.33
68.51
72.05
73.44
65.93
59.52
47.78
42.11
2005
36.41
35.64
43.88
51.89
62.90
69.79
72.61
68.46
65.51
56.35
46.48
38.05
2006
35.72
39.03
43.18
53.84
61.00
70.35
79.14
68.63
68.00
61.04
49.99
44.56
2007
44.23
46.15
51.66
60.36
64.90
70.08
72.07
70.12
60.73
53.34
44.37
40.14
2008
42.94
42.47
47.64
54.65
64.71
71.90
74.63
74.52
63.84
58.88
49.37
42.88
2009
42.64
42.25
48.46
58.98
66.67
69.09
73.59
76.33
68.89
56.34
50.41
40.43
2010
45.05
M
M
M
67.10
M
M
70.25
M
M
M
38.04
2011
38.20
42.02
47.37
57.62
65.56
70.83
72.50
75.33
71.93
56.68
48.47
41.42
2012
38.97
35.07
51.13
54.17
63.09
72.53
75.72
76.59
68.33
58.51
51.50
40.22
2013
42.60
39.84
45.33
56.30
61.70
70.07
77.29
74.91
66.80
59.20
50.45
43.55
2014
46.66
47.49
51.92
57.26
61.82
70.67
71.98
70.96
65.27
60.89
54.98
45.01
2015
43.15
43.80
50.41
55.13
65.24
71.96
79.32
77.00
67.07
57.43
47.63
42.42
2016
39.00
46.21
49.39
57.02
62.48
70.58
75.95
73.49
70.34
56.21
50.03
42.34
2017
35.60
44.57
51.48
55.70
64.02
72.68
74.39
76.54
63.14
56.56
48.62
40.65
2018
44.19
39.14
46.08
60.56
68.29
71.78
75.93
77.70
69.14
60.92
52.64
40.59
2019
38.13
45.02
50.09
56.27
58.65
75.59
75.90
77.38
67.55
59.84
52.73
44.98
2020
41.38
45.41
48.72
48.50
64.79
69.41
73.75
76.01
68.36
56.88
48.32
44.48
2021
39.64
45.11
46.11
51.62
59.75
72.77
75.95
73.89
68.18
55.63
50.21
41.06
2022
39.87
43.41
45.33
53.21
66.46
75.02
79.29
77.32
66.14
62.51
51.02
45.24
2023
44.31
42.38
49.83
52.97
64.69
72.05
76.25
74.82
70.64
63.04
49.04
45.24
2024
41.41
48.88
52.41
56.60
64.05
71.48
79.03
80.34
67.88
61.32
47.72
42.54
2025
44.83
44.12
51.05
58.37
62.98
75.95
74.56
75.66
68.39
56.30
49.04
45.33
2026
40.80
47.01
50.93
58.34
63.91
74.87
77.49
80.05
68.99
59.28
M
M
Average Relative Humidity [%]
This value is computed via a simple average of available observations weighted
by the duration between observations.
