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
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
M
M
M
1977
M
M
M
M
M
M
M
M
M
M
M
M
1978
M
M
M
M
M
M
M
M
M
M
M
M
1979
M
M
M
M
M
M
M
M
M
M
M
M
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
M
M
M
M
M
M
M
M
M
M
M
M
1983
M
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
M
M
M
1988
M
M
M
M
M
M
M
M
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
M
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
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
3.1
3.1
3.0
3.5
3.9
5.1
3.6
3.9
4.3
4.2
3.6
2.3
1974
3.6
3.2
3.6
5.1
3.8
3.2
3.1
2.9
3.6
3.1
2.1
2.6
1975
1.9
2.6
2.9
1.9
3.7
4.7
5.1
2.0
1.1
5.6
3.5
3.1
1976
2.1
4.1
2.2
1.7
3.2
2.0
2.1
4.7
5.2
M
M
M
1977
M
M
M
M
M
M
M
M
M
M
M
M
1978
M
M
M
M
M
M
M
M
M
M
M
M
1979
M
M
M
M
M
M
M
M
M
M
M
M
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
M
M
M
M
M
M
M
M
M
M
M
M
1983
M
1.3
1.7
1.3
1.8
1.7
0.7
0.8
0.7
1.5
2.6
1.3
1984
1.7
1.9
3.2
15.3
5.2
2.1
2.0
4.9
2.3
2.9
4.3
5.2
1985
0.9
1.6
3.0
6.2
6.3
3.4
1.9
3.8
2.6
4.7
1.7
1.0
1986
3.9
1.8
3.4
4.1
2.7
1.6
3.1
2.0
2.5
2.0
1.6
0.9
1987
2.3
1.2
3.7
1.7
1.9
2.5
5.2
0.8
1.5
M
M
M
1988
M
M
M
M
M
M
M
M
2.5
3.7
3.7
4.2
1989
4.3
5.1
5.5
7.1
6.9
5.1
4.9
4.6
4.6
3.8
3.6
4.5
1990
4.4
4.4
5.8
6.0
4.4
3.8
3.1
3.6
2.9
3.3
4.1
2.8
1991
3.6
4.3
5.3
5.6
4.3
3.5
3.1
3.4
2.5
3.2
3.7
2.8
1992
2.1
3.2
3.8
4.8
4.2
4.7
4.5
4.6
5.6
5.6
7.0
6.7
1993
4.4
5.7
7.2
5.6
6.7
5.2
3.8
5.1
3.4
3.9
4.1
3.6
1994
4.1
5.5
5.6
4.7
5.0
4.4
M
1.3
2.4
2.4
2.2
2.4
1995
2.3
2.8
2.9
3.0
2.8
2.8
2.0
2.3
2.5
2.8
2.2
2.2
1996
2.5
3.1
4.2
4.0
3.6
3.0
2.9
2.7
2.7
2.3
2.3
2.5
1997
3.0
3.5
3.3
4.0
3.6
2.6
2.5
2.8
2.6
2.1
2.1
2.4
1998
2.9
3.4
3.7
3.7
3.1
3.2
2.4
2.1
1.3
1.9
2.0
1.9
1999
2.7
3.4
3.3
2.9
2.6
2.7
2.6
2.5
2.7
2.7
2.5
2.8
2000
2.9
3.3
3.3
4.0
2.8
2.1
2.5
2.2
2.6
2.3
2.4
1.4
2001
2.2
2.2
2.8
3.0
3.3
2.1
3.0
2.6
2.4
2.8
2.5
1.7
2002
2.3
3.0
3.3
3.4
4.7
2.8
2.6
2.7
2.0
2.0
2.0
1.3
2003
1.8
2.1
2.6
2.7
2.7
1.9
2.8
2.0
1.9
1.8
1.9
1.6
2004
1.7
2.9
2.9
3.4
2.5
2.0
2.5
2.2
1.9
2.1
2.2
1.8
2005
2.2
3.7
3.0
2.9
3.2
3.0
2.2
2.3
2.5
2.5
2.3
1.6
2006
1.8
2.6
3.4
3.1
2.9
2.4
2.3
2.0
2.1
2.2
2.1
2.5
2007
2.5
2.9
3.4
4.0
3.5
2.7
2.6
2.8
2.8
2.4
2.2
2.2
2008
2.4
2.4
3.3
3.0
3.1
2.3
1.6
2.0
1.7
2.1
2.0
2.0
2009
2.1
2.3
2.7
3.0
2.6
3.1
2.2
2.2
2.0
2.2
2.2
1.9
2010
2.0
2.0
2.8
2.9
3.0
2.6
1.6
2.1
2.2
2.9
2.6
2.3
2011
2.7
3.3
3.2
3.6
3.7
3.0
2.5
2.7
2.4
2.6
2.6
2.7
2012
2.5
2.8
3.5
3.8
3.9
3.3
2.5
3.0
3.0
3.2
2.4
2.3
2013
2.7
3.4
3.6
3.9
3.7
3.4
2.8
3.1
3.1
2.9
2.9
2.4
2014
3.1
3.4
4.3
4.2
3.7
2.8
2.7
3.2
3.3
3.2
2.5
2.6
2015
2.8
2.9
3.7
3.8
3.1
2.8
3.0
3.3
3.0
2.7
2.7
2.3
2016
3.0
3.0
3.6
3.3
3.3
3.0
2.8
2.4
2.8
2.4
2.4
2.1
2017
2.6
3.3
3.6
4.0
3.6
3.2
2.7
3.1
3.0
3.4
3.0
2.5
2018
2.8
3.4
3.8
4.1
3.2
3.0
3.0
2.9
2.6
2.8
2.2
2.3
2019
2.7
2.9
3.3
4.0
3.5
2.4
2.4
2.8
2.5
2.9
2.3
2.1
2020
2.5
2.7
3.6
3.5
4.0
3.2
3.5
2.7
2.6
2.9
2.8
2.6
2021
2.4
3.2
3.4
3.9
3.7
3.1
2.7
3.0
2.5
2.9
2.5
2.7
2022
2.7
3.1
3.8
3.4
3.5
2.9
2.8
2.8
2.7
2.5
2.1
1.8
2023
2.2
2.5
2.8
3.4
3.0
3.6
3.4
2.9
2.8
2.2
2.6
2.1
2024
2.2
2.4
2.9
2.9
2.9
2.8
2.8
2.3
2.6
2.3
2.2
1.8
2025
2.2
2.2
2.8
3.0
3.0
2.8
2.8
2.5
2.3
2.4
1.6
1.7
2026
1.8
1.5
2.1
2.0
2.4
2.6
3.0
3.1
3.2
M
M
M
Average Daily High Temperature [F]
Year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1973
70.36
73.26
74.79
76.57
77.37
74.07
74.14
72.79
71.72
72.52
73.96
69.59
1974
72.42
71.85
73.68
78.57
74.79
74.95
71.36
73.23
72.79
74.14
73.63
71.93
1975
70.71
72.50
75.62
76.19
72.04
75.58
69.67
72.63
72.79
71.32
72.88
71.07
1976
72.96
72.15
76.50
77.58
80.50
76.16
72.17
73.52
75.71
M
M
M
1977
M
M
M
M
M
M
M
M
M
M
M
M
1978
M
M
M
M
M
M
M
M
M
M
M
M
1979
M
M
M
M
M
M
M
M
M
M
M
M
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
M
M
M
M
M
M
M
M
M
M
M
M
1983
M
21.79
24.90
26.10
25.93
25.83
24.75
23.87
24.12
24.11
23.61
23.50
1984
21.87
23.95
24.33
27.12
25.78
23.67
22.08
22.88
38.82
77.06
76.35
74.10
1985
72.07
72.98
76.05
80.07
80.92
75.04
75.59
76.08
73.94
74.31
72.30
71.63
1986
70.46
73.30
74.61
77.34
77.76
74.26
73.36
73.94
74.90
73.61
73.41
70.75
1987
71.88
69.96
73.16
78.05
78.75
77.90
72.94
74.65
77.54
M
M
M
1988
M
M
M
M
M
M
M
M
72.92
74.40
75.76
74.55
1989
75.33
76.29
76.19
80.47
81.06
77.96
74.86
73.34
73.70
73.40
74.60
70.32
1990
74.72
74.57
79.23
81.38
79.32
75.74
72.79
74.91
72.86
74.62
76.28
74.44
1991
74.62
76.94
81.53
83.54
83.52
78.38
73.40
77.17
72.50
73.28
73.88
73.46
1992
66.26
69.92
77.70
78.56
79.28
78.02
74.62
73.98
73.94
73.17
72.80
74.04
1993
73.28
76.23
78.05
80.42
81.82
77.84
74.50
74.10
74.42
74.45
75.08
74.97
1994
74.27
76.28
79.67
81.74
80.88
75.92
M
71.60
73.40
73.16
75.19
75.55
1995
73.69
76.29
79.26
80.36
81.05
75.66
73.13
72.79
73.34
76.36
75.62
72.30
1996
73.41
76.26
76.59
79.10
80.02
74.62
74.62
73.17
74.00
73.34
74.48
73.11
1997
72.06
76.36
77.87
77.12
80.77
76.22
75.55
75.49
74.48
73.75
74.30
71.83
1998
72.65
74.04
78.63
82.94
83.68
79.82
75.14
74.34
71.54
74.27
74.36
74.79
1999
74.96
76.23
78.86
82.16
81.99
76.94
74.04
73.28
73.76
73.75
74.48
73.15
2000
74.45
75.63
78.34
81.50
78.92
73.28
74.91
74.74
73.22
73.52
74.43
73.92
2001
73.23
76.81
76.07
80.66
78.06
73.52
73.11
74.27
73.10
75.63
74.96
74.21
2002
74.21
75.39
81.18
81.68
80.83
75.38
73.11
74.62
73.34
73.57
73.70
73.34
2003
73.57
76.04
78.63
83.06
83.10
73.82
74.62
73.57
72.68
74.10
76.70
73.86
2004
70.15
75.57
79.38
79.40
79.73
73.40
73.92
74.91
73.46
74.27
75.80
73.81
2005
73.82
75.14
77.00
82.88
81.53
80.66
73.92
74.85
74.66
74.79
76.10
74.90
2006
75.55
77.45
77.78
81.74
80.95
75.20
74.62
73.63
73.10
74.15
73.16
73.81
2007
72.82
75.65
79.26
80.06
81.59
77.60
74.79
75.03
73.28
75.03
75.92
75.95
2008
75.08
77.37
78.51
81.92
81.70
75.68
72.94
73.63
73.52
74.91
74.24
74.79
2009
73.46
77.96
78.45
81.68
80.31
77.96
76.25
75.32
74.30
74.62
74.96
71.95
2010
70.96
70.96
77.00
79.64
83.68
78.14
73.46
75.14
73.88
76.88
74.72
73.28
2011
73.79
71.96
73.95
76.17
76.05
72.00
69.33
72.30
76.16
75.03
76.04
75.61
2012
74.62
72.84
78.68
81.08
80.95
77.06
74.33
74.74
74.60
75.66
74.42
74.39
2013
74.04
78.29
78.22
81.26
81.01
77.06
74.10
74.79
72.62
74.79
74.66
73.23
2014
73.63
77.84
79.38
81.80
77.99
74.54
75.26
75.32
73.58
75.20
74.18
73.34
2015
73.16
74.04
74.62
80.00
79.09
76.22
75.72
76.30
75.02
76.48
76.58
74.45
2016
72.35
77.43
76.07
81.98
82.81
76.58
74.74
74.56
73.76
75.08
73.64
75.26
2017
74.10
75.91
78.74
80.36
80.83
76.52
74.21
74.04
72.86
75.08
74.90
73.40
2018
72.41
74.81
78.80
79.64
79.15
73.82
75.43
73.63
73.88
73.46
71.96
72.06
2019
73.05
76.16
78.22
79.52
80.72
76.34
74.21
74.97
73.88
72.82
73.64
72.94
2020
72.47
74.08
78.86
81.98
81.99
77.90
75.49
74.56
73.76
75.26
75.74
71.83
2021
73.17
73.85
78.63
80.42
79.15
72.98
74.21
73.40
71.60
73.52
70.70
73.05
2022
72.18
73.72
77.81
80.90
80.95
75.74
74.62
73.63
73.64
73.69
74.48
71.72
2023
72.24
75.33
77.23
79.94
81.94
82.22
76.59
75.37
76.16
73.98
74.78
71.48
2024
72.59
75.14
79.21
81.74
84.66
79.46
75.03
75.49
74.66
74.85
74.78
74.68
2025
72.94
76.36
79.15
80.42
80.66
74.72
74.68
74.39
74.48
74.62
74.60
74.21
2026
72.94
75.26
77.29
80.30
81.47
75.26
76.01
76.94
76.10
M
M
M
Average Daily Low Temperature [F]
Year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1973
44.27
50.33
51.62
56.29
56.33
58.96
58.54
58.83
59.10
57.13
52.04
47.93
1974
48.84
48.52
48.96
56.36
54.71
57.41
57.00
57.00
54.83
54.55
54.83
50.11
1975
48.68
48.89
52.76
51.38
52.54
58.62
59.67
61.95
62.21
61.73
56.79
51.90
1976
50.04
48.77
53.08
55.88
55.47
60.79
58.58
59.72
55.95
M
M
M
1977
M
M
M
M
M
M
M
M
M
M
M
M
1978
M
M
M
M
M
M
M
M
M
M
M
M
1979
M
M
M
M
M
M
M
M
M
M
M
M
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
M
M
M
M
M
M
M
M
M
M
M
M
1983
M
10.46
14.10
15.23
17.50
20.21
18.92
17.59
17.43
17.02
13.02
9.95
1984
9.40
8.90
11.48
17.92
17.43
18.36
16.84
16.77
31.16
59.15
52.16
50.06
1985
49.88
45.85
55.22
59.61
66.75
63.02
62.76
64.23
62.64
61.22
53.08
51.33
1986
47.69
50.10
51.52
61.98
58.71
60.13
60.54
59.58
60.77
58.26
55.33
48.17
1987
47.32
46.71
48.00
51.40
57.35
63.50
63.16
62.74
60.29
M
M
M
1988
M
M
M
M
M
M
M
M
64.80
56.77
50.93
49.74
1989
47.75
49.10
46.91
52.57
55.81
60.26
60.56
60.68
58.16
53.43
49.70
47.76
1990
44.89
46.66
45.76
50.48
58.76
60.38
59.79
58.83
58.34
58.30
53.24
48.72
1991
47.68
49.36
50.06
49.76
52.73
58.16
57.78
60.45
58.70
56.62
51.92
51.56
1992
50.81
47.08
51.92
53.24
57.44
62.18
60.57
58.94
59.24
56.15
51.98
50.81
1993
48.84
45.89
47.04
51.74
54.70
61.22
59.87
59.70
59.84
58.19
54.56
48.66
1994
48.08
50.14
50.46
53.60
57.61
61.16
M
62.60
59.19
58.52
55.59
52.73
1995
50.46
51.29
49.71
54.14
59.97
63.12
61.57
61.99
60.92
54.65
54.68
50.52
1996
45.02
48.94
47.45
51.26
58.07
60.74
60.63
59.12
59.84
58.42
52.22
50.41
1997
46.63
49.74
51.74
53.24
57.26
62.48
61.15
59.46
60.92
56.68
54.68
50.12
1998
44.72
42.80
48.72
51.68
55.63
62.54
61.38
60.97
61.76
60.05
56.18
50.70
1999
45.50
50.71
49.71
54.08
57.66
60.80
59.41
60.39
60.14
55.63
50.18
47.95
2000
47.15
48.63
49.83
53.18
57.72
61.10
60.45
59.41
59.12
57.55
53.42
49.48
2001
50.06
50.58
48.90
54.08
59.28
60.74
59.29
60.63
59.84
56.47
50.06
50.06
2002
45.82
50.58
52.09
55.22
59.93
61.58
59.99
59.41
60.14
58.07
53.48
49.48
2003
51.39
48.46
49.59
55.52
58.83
62.06
60.63
59.58
61.70
58.25
56.06
48.37
2004
48.95
47.46
54.59
53.72
59.58
60.50
60.22
60.97
60.48
60.28
52.52
50.00
2005
50.36
52.06
50.06
55.34
55.52
60.50
61.32
60.63
60.38
57.78
53.18
50.18
2006
48.14
50.39
51.74
55.22
59.81
61.58
61.09
60.86
60.86
58.94
53.84
49.19
2007
51.28
49.74
53.19
55.40
58.71
61.64
60.68
60.80
59.06
57.72
52.22
50.93
2008
48.61
48.01
50.46
55.94
59.12
60.20
60.10
60.57
61.16
56.85
51.50
47.79
2009
52.21
49.74
51.57
53.24
57.78
61.58
61.09
61.15
60.62
60.74
52.58
51.28
2010
49.88
49.55
51.22
53.06
57.49
61.28
62.02
60.74
61.76
56.68
50.66
45.24
2011
48.71
61.38
61.42
61.70
64.97
68.20
62.83
65.03
58.94
55.57
52.82
49.54
2012
48.55
53.29
52.67
52.82
59.93
61.22
60.28
60.92
60.08
58.83
54.38
50.64
2013
51.05
49.68
51.22
53.78
57.49
61.88
59.99
59.12
61.28
59.99
56.24
52.67
2014
50.29
50.45
52.26
56.84
60.51
61.52
59.87
60.57
60.92
58.19
55.10
51.51
2015
51.86
52.19
54.24
57.32
60.51
62.24
61.32
61.55
61.46
61.03
58.88
55.11
2016
49.36
51.30
52.44
56.42
61.15
62.00
61.26
61.21
60.56
58.88
55.28
53.77
2017
48.03
50.06
54.41
53.84
60.10
63.02
60.97
62.25
61.16
58.88
51.02
50.06
2018
47.39
51.74
53.60
52.88
61.09
61.76
60.80
60.57
60.86
60.28
54.92
50.99
2019
50.75
52.25
54.12
53.78
58.77
63.20
60.86
61.26
61.10
59.75
58.58
53.72
2020
51.86
53.41
58.07
57.62
58.42
62.78
61.32
61.50
61.04
57.61
56.36
52.21
2021
51.92
49.81
54.24
55.88
58.88
60.74
61.15
61.32
59.84
59.93
53.96
52.61
2022
52.03
52.57
52.26
56.66
59.99
61.52
61.55
60.63
61.28
60.80
56.72
52.15
2023
49.94
52.51
53.66
56.66
61.09
63.02
63.18
62.19
61.46
61.21
58.40
54.65
2024
52.85
52.61
52.55
57.38
61.26
64.04
62.37
62.14
62.90
58.71
57.08
52.55
2025
52.96
54.63
54.35
55.10
61.44
62.90
60.97
61.61
62.42
60.16
56.18
54.12
2026
53.54
53.92
54.53
59.06
61.85
62.12
61.15
61.79
63.20
M
M
M
Average Daily Temperature (high+low)/2 [F]
Year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1973
57.32
61.80
63.21
66.43
66.85
66.52
66.34
65.81
65.41
64.82
63.00
58.76
1974
60.63
60.19
61.32
67.46
64.75
66.18
64.18
65.12
63.81
64.34
64.23
61.02
1975
59.70
60.70
64.19
63.78
62.29
67.10
64.67
67.29
67.50
66.52
64.83
61.48
1976
61.50
60.46
64.79
66.73
67.98
68.47
65.38
66.62
65.83
M
M
M
1977
M
M
M
M
M
M
M
M
M
M
M
M
1978
M
M
M
M
M
M
M
M
M
M
M
M
1979
M
M
M
M
M
M
M
M
M
M
M
M
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
M
M
M
M
M
M
M
M
M
M
M
M
1983
M
16.12
19.50
20.67
21.71
23.02
21.84
20.73
20.77
20.56
18.32
16.72
1984
15.64
16.43
17.91
22.52
21.61
21.02
19.46
19.83
34.99
68.10
64.26
62.08
1985
60.98
59.41
65.63
69.84
73.83
69.03
69.17
70.15
68.29
67.77
62.69
61.48
1986
59.07
61.70
63.06
69.66
68.24
67.19
66.95
66.76
67.84
65.93
64.37
59.46
1987
59.60
58.34
60.58
64.72
68.05
70.70
68.05
68.70
68.91
M
M
M
1988
M
M
M
M
M
M
M
M
68.86
65.59
63.34
62.15
1989
61.54
62.70
61.55
66.52
68.44
69.11
67.71
67.01
65.93
63.41
62.15
59.04
1990
59.81
60.62
62.50
65.93
69.04
68.06
66.29
66.87
65.60
66.46
64.76
61.58
1991
61.15
63.15
65.79
66.65
68.12
68.27
65.59
68.81
65.60
64.95
62.90
62.51
1992
58.54
58.50
64.81
65.90
68.36
70.10
67.59
66.46
66.59
64.66
62.39
62.43
1993
61.06
61.06
62.54
66.08
68.26
69.53
67.19
66.90
67.13
66.32
64.82
61.82
1994
61.18
63.21
65.07
67.67
69.24
68.54
M
67.10
66.29
65.84
65.39
64.14
1995
62.08
63.79
64.49
67.25
70.51
69.39
67.35
67.39
67.13
65.50
65.15
61.41
1996
59.22
62.60
62.02
65.18
69.05
67.68
67.62
66.14
66.92
65.88
63.35
61.76
1997
59.35
63.05
64.81
65.18
69.02
69.35
68.35
67.48
67.70
65.21
64.49
60.97
1998
58.68
58.42
63.67
67.31
69.65
71.18
68.26
67.65
66.65
67.16
65.27
62.75
1999
60.23
63.47
64.28
68.12
69.83
68.87
66.72
66.84
66.95
64.69
62.33
60.55
2000
60.80
62.13
64.08
67.34
68.32
67.19
67.68
67.07
66.17
65.53
63.92
61.70
2001
61.64
63.69
62.48
67.37
68.67
67.13
66.20
67.45
66.47
65.86
62.51
62.14
2002
60.02
62.99
66.64
68.45
70.38
68.48
66.55
67.01
66.74
65.82
63.59
61.41
2003
62.48
62.25
64.11
69.29
70.96
67.94
67.62
66.58
67.19
66.17
66.38
61.12
2004
59.55
61.51
66.98
66.56
69.65
66.95
67.07
67.94
66.97
67.27
64.16
61.90
2005
62.09
63.60
63.53
69.11
68.52
70.58
67.62
67.74
67.52
66.29
64.64
62.54
2006
61.85
63.92
64.76
68.48
70.38
68.39
67.85
67.25
66.98
66.55
63.50
61.50
2007
62.05
62.70
66.23
67.73
70.15
69.62
67.74
67.91
66.17
66.37
64.07
63.44
2008
61.85
62.69
64.49
68.93
70.41
67.94
66.52
67.10
67.34
65.88
62.87
61.29
2009
62.83
63.85
65.01
67.46
69.05
69.77
68.67
68.23
67.46
67.68
63.77
61.61
2010
60.42
60.25
64.11
66.35
70.58
69.71
67.74
67.94
67.82
66.78
62.69
59.26
2011
61.25
66.67
67.69
68.93
70.51
70.10
66.08
68.67
67.55
65.30
64.43
62.57
2012
61.58
63.07
65.68
66.95
70.44
69.14
67.30
67.83
67.34
67.25
64.40
62.51
2013
62.54
63.98
64.72
67.52
69.25
69.47
67.04
66.95
66.95
67.39
65.45
62.95
2014
61.96
64.14
65.82
69.32
69.25
68.03
67.56
67.94
67.25
66.69
64.64
62.43
2015
62.51
63.11
64.43
68.66
69.80
69.23
68.52
68.93
68.24
68.75
67.73
64.78
2016
60.86
64.37
64.25
69.20
71.98
69.29
68.00
67.88
67.16
66.98
64.46
64.52
2017
61.06
62.99
66.58
67.10
70.47
69.77
67.59
68.15
67.01
66.98
62.96
61.73
2018
59.90
63.27
66.20
66.26
70.12
67.79
68.12
67.10
67.37
66.87
63.44
61.53
2019
61.90
64.21
66.17
66.65
69.74
69.77
67.54
68.12
67.49
66.29
66.11
63.33
2020
62.16
63.75
68.46
69.80
70.21
70.34
68.41
68.03
67.40
66.43
66.05
62.02
2021
62.54
61.83
66.43
68.15
69.02
66.86
67.68
67.36
65.72
66.72
62.33
62.83
2022
62.11
63.15
65.04
68.78
70.47
68.63
68.09
67.13
67.46
67.25
65.60
61.93
2023
61.09
63.92
65.45
68.30
71.51
72.62
69.89
68.78
68.81
67.59
66.59
63.06
2024
62.72
63.87
65.88
69.56
72.96
71.75
68.70
68.81
68.78
66.78
65.93
63.62
2025
62.95
65.49
66.75
67.76
71.05
68.81
67.83
68.00
68.45
67.39
65.39
64.17
2026
63.24
64.59
65.91
69.68
71.66
68.69
68.58
69.36
69.65
M
M
M
Average Relative Humidity [%]
This value is computed via a simple average of available observations weighted
by the duration between observations.