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
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
M
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
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
0.00
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
M
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
M
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
4.02
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
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
2005
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
2006
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
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
0.00
0.00
0.00
0.00
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
6.3
5.6
1.3
3.6
4.5
3.2
3.3
1.7
1.9
4.6
4.8
4.5
1974
5.4
4.5
3.6
2.7
2.6
4.4
2.6
3.1
3.7
3.7
5.2
4.8
1975
5.3
4.6
3.6
3.1
2.7
2.7
4.0
4.0
4.3
4.3
5.9
4.8
1976
4.4
4.0
3.5
3.4
3.3
3.1
3.5
3.1
3.1
4.5
3.6
4.9
1977
2.2
M
M
M
M
1.9
M
M
M
M
M
M
1978
M
M
M
7.9
M
M
M
M
2.1
5.3
4.3
M
1979
M
M
M
M
5.3
M
M
M
M
M
M
M
1980
2.3
M
M
2.8
1.8
4.6
M
M
M
M
M
M
1981
M
M
M
M
M
0.0
2.9
M
M
M
M
M
1982
M
M
M
M
M
M
M
M
M
M
M
M
1983
M
10.9
M
M
M
M
M
14.8
1.6
M
M
M
1984
M
M
M
M
M
M
M
3.5
8.2
M
7.7
M
1985
M
M
M
M
M
M
M
M
M
M
M
M
1986
M
M
M
M
M
M
M
M
5.9
M
M
M
1987
M
M
M
M
M
M
M
M
3.1
M
M
M
1988
M
M
M
M
M
M
4.0
M
M
M
M
M
1989
M
5.8
M
M
M
1.0
M
M
6.9
M
M
M
1990
M
M
M
M
5.4
M
6.9
M
4.4
M
M
M
1991
M
9.0
M
M
4.9
M
M
4.9
4.6
M
M
M
1992
3.8
M
4.2
5.6
5.7
3.3
4.6
4.3
4.2
5.7
4.7
4.6
1993
4.6
4.2
4.4
4.3
M
6.0
3.4
7.1
5.0
5.5
7.3
6.3
1994
4.9
3.6
5.7
4.6
3.6
4.0
3.8
4.5
3.1
5.3
6.1
5.0
1995
4.7
4.5
4.8
6.0
3.9
3.9
4.1
3.8
5.6
5.3
6.8
5.4
1996
6.1
7.6
5.1
3.8
3.4
3.2
2.9
3.4
4.6
4.4
4.9
4.8
1997
4.0
5.9
3.8
4.4
4.4
6.7
3.6
4.0
4.8
6.1
M
7.2
1998
5.0
5.1
5.9
5.2
4.6
4.4
4.2
4.5
4.7
5.6
5.0
7.1
1999
5.2
4.9
4.4
4.9
4.8
4.0
3.5
4.6
5.5
6.7
5.4
6.1
2000
4.5
5.3
4.6
4.4
5.8
4.4
4.3
5.1
4.9
4.9
6.1
5.1
2001
5.6
5.0
5.3
4.9
6.6
6.8
6.6
5.7
7.3
8.0
6.6
7.0
2002
M
2.9
3.0
5.3
M
3.3
3.8
4.5
4.4
M
M
M
2003
0.0
M
M
4.6
1.3
4.5
M
M
3.7
M
M
5.9
2004
4.4
M
M
M
M
2.9
M
M
M
M
M
3.1
2005
M
M
M
M
4.3
M
M
M
3.7
M
M
M
2006
M
M
5.1
M
M
M
M
M
M
M
M
M
2007
M
M
M
3.6
M
2.9
4.1
3.8
4.8
5.1
5.5
5.3
2008
5.1
5.5
4.5
3.6
3.4
3.7
3.1
4.0
5.2
4.8
6.3
4.7
2009
6.3
4.0
4.0
3.3
3.6
4.0
3.6
4.1
5.5
5.7
4.8
5.1
2010
3.7
3.4
3.8
3.4
3.1
2.9
2.7
3.3
3.8
4.9
4.3
5.3
2011
4.6
2.8
3.4
2.7
3.0
2.8
2.7
3.3
4.3
4.3
3.9
3.7
2012
3.7
2.9
3.5
3.0
2.7
2.2
2.7
2.5
3.4
2.9
4.2
5.2
2013
2.5
3.1
3.9
3.2
3.1
3.0
4.2
4.5
4.6
4.7
5.0
4.9
2014
4.9
4.3
3.3
3.3
3.1
2.8
2.9
3.3
4.2
3.8
3.2
4.4
2015
4.7
4.1
3.6
3.6
3.3
3.7
3.4
3.6
4.3
4.0
4.4
4.6
2016
4.2
4.9
4.2
4.8
4.7
3.8
4.0
4.6
4.5
5.4
5.0
5.1
2017
4.5
4.8
4.7
4.5
3.9
4.4
4.0
4.3
4.6
5.3
5.1
4.9
2018
4.7
4.4
4.3
3.8
4.2
3.6
3.9
3.8
4.7
4.4
4.9
4.6
2019
4.8
4.5
4.2
3.9
3.9
3.3
4.5
4.6
4.5
4.7
5.4
4.7
2020
5.2
4.6
4.4
4.1
5.0
4.3
4.0
4.0
4.6
4.7
4.7
5.7
2021
4.5
4.3
4.0
4.6
4.2
3.7
4.0
4.1
4.3
4.7
5.1
5.1
2022
4.4
4.9
4.4
4.1
4.9
3.9
3.7
4.7
4.5
4.7
5.5
4.8
2023
4.7
4.4
4.0
4.1
2.6
2.1
4.4
4.2
4.2
4.5
4.6
4.6
2024
4.9
4.3
3.9
3.9
4.4
4.2
3.1
3.7
4.1
4.6
4.9
4.7
2025
4.0
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
88.06
88.19
82.97
84.03
77.42
78.53
75.55
70.26
70.14
75.90
78.21
83.23
1974
84.58
84.82
83.58
78.50
78.84
73.70
75.39
76.10
72.83
75.61
82.43
80.87
1975
83.35
85.37
86.10
79.77
77.34
75.43
72.77
77.71
75.80
76.29
80.03
83.35
1976
86.68
85.07
84.29
80.47
77.71
76.07
73.48
73.35
71.93
76.52
80.07
83.62
1977
82.00
86.78
83.33
79.50
80.38
75.47
79.67
76.60
74.11
78.00
79.45
78.91
1978
85.07
86.73
83.50
77.26
77.58
M
77.12
74.41
76.00
77.46
80.04
80.48
1979
79.70
84.24
80.88
80.39
74.47
73.12
70.21
75.86
75.33
79.67
78.87
82.71
1980
80.86
83.56
87.83
81.29
79.53
74.53
75.93
76.00
68.50
75.38
78.82
86.86
1981
85.25
89.00
82.75
80.38
79.20
75.73
74.60
71.00
80.64
74.40
78.38
79.17
1982
81.00
84.25
82.00
76.60
75.80
81.00
73.75
71.80
74.00
77.08
80.78
80.80
1983
84.35
86.55
82.68
79.52
77.65
72.55
72.76
72.46
67.11
74.75
82.89
84.63
1984
89.59
87.44
81.81
78.82
78.97
76.42
75.21
70.18
72.08
76.59
78.85
79.81
1985
80.32
85.74
85.27
83.67
76.56
73.71
74.23
76.03
73.86
77.10
79.00
81.14
1986
87.30
87.08
84.00
82.97
80.34
76.07
73.14
75.39
75.14
75.80
81.97
83.57
1987
87.00
85.92
82.88
82.69
76.25
73.81
79.38
74.77
72.39
73.85
79.79
82.68
1988
87.97
80.85
84.28
79.59
74.00
70.31
69.85
74.61
71.89
75.63
79.46
81.56
1989
86.08
84.23
83.55
83.33
76.00
74.88
71.65
75.24
73.50
73.71
79.80
80.34
1990
85.56
85.36
85.08
84.96
75.74
75.30
68.69
70.87
72.74
77.65
82.81
82.63
1991
82.73
83.48
83.28
82.00
80.70
76.55
74.29
74.23
74.00
78.94
80.83
86.79
1992
86.50
M
85.50
82.37
80.03
79.25
73.52
69.20
72.17
78.63
77.74
82.03
1993
88.52
85.32
84.87
83.74
80.04
75.69
73.90
71.33
73.29
77.96
84.05
84.39
1994
84.21
90.08
83.07
81.77
80.97
75.68
78.11
72.03
75.14
78.17
82.37
86.23
1995
88.15
84.46
84.37
81.23
75.90
76.69
77.23
75.48
75.52
75.09
80.23
83.67
1996
87.84
85.34
83.16
83.60
77.13
74.48
69.35
71.71
74.13
79.06
79.83
86.55
1997
85.16
87.21
84.30
82.17
78.81
78.40
78.00
77.40
76.56
76.84
M
88.77
1998
88.92
88.21
87.14
83.90
78.83
75.83
74.37
76.15
75.35
77.10
77.78
82.56
1999
85.66
87.29
86.81
81.48
77.30
74.37
72.77
75.45
79.21
75.70
77.62
83.16
2000
85.55
83.90
83.45
83.37
80.35
78.80
72.35
71.59
73.90
79.14
80.63
85.13
2001
89.10
89.56
87.71
86.13
76.17
76.90
76.17
77.35
75.57
78.23
80.73
83.83
2002
86.47
84.96
88.81
85.30
80.68
78.55
72.07
77.63
74.71
81.59
84.07
85.08
2003
85.57
92.31
85.44
82.76
78.52
78.28
76.19
72.93
74.70
78.67
81.79
85.97
2004
82.93
84.07
83.85
84.15
75.57
76.14
74.83
74.53
77.82
76.14
80.39
81.41
2005
81.79
82.23
83.43
83.97
80.81
80.53
75.83
80.93
74.21
76.17
80.27
82.03
2006
85.66
84.44
85.37
80.29
74.20
75.24
77.66
76.60
75.04
74.37
77.96
80.50
2007
M
82.26
M
M
M
M
M
M
M
M
M
M
2008
M
M
M
M
M
M
M
M
M
M
M
M
2009
88.67
87.83
86.82
81.22
M
M
M
M
M
M
91.40
M
2010
82.40
M
M
M
75.20
M
M
75.20
M
M
68.00
83.62
2011
90.68
M
M
86.00
59.00
60.20
M
72.32
72.92
77.35
77.00
82.69
2012
82.92
88.79
83.68
81.38
78.05
75.20
75.20
76.59
76.64
79.38
78.62
83.40
2013
81.73
87.99
83.04
80.18
78.63
75.26
71.83
74.10
75.74
76.77
80.06
84.03
2014
90.30
88.31
85.42
81.08
78.05
77.00
74.45
76.88
77.66
79.73
80.96
83.56
2015
88.73
85.36
83.79
81.02
75.56
76.55
76.76
79.26
77.66
77.46
79.17
85.29
2016
84.03
88.54
85.30
85.40
75.72
66.80
72.82
73.63
73.90
77.35
78.74
84.84
2017
86.12
87.61
83.85
79.64
77.12
76.82
74.62
74.33
78.08
80.95
79.94
82.17
2018
85.48
83.17
85.88
81.86
78.74
74.12
74.39
70.09
75.14
76.13
78.32
84.03
2019
90.06
84.33
83.91
80.90
78.57
79.61
75.32
75.55
74.78
79.79
78.38
82.40
2020
85.48
82.40
81.76
79.88
78.22
79.58
77.06
74.50
76.76
78.40
79.28
84.20
2021
86.52
85.10
85.83
80.30
77.12
74.48
73.34
74.85
77.18
75.32
79.40
80.83
2022
84.43
86.26
86.52
80.78
77.35
73.40
79.15
75.20
73.40
79.38
78.68
81.59
2023
84.90
87.80
85.13
81.14
78.68
79.34
76.88
78.39
82.70
77.00
84.02
83.91
2024
83.85
85.57
83.56
82.82
81.24
80.36
69.68
72.82
76.22
77.23
79.28
81.59
2025
87.04
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
74.58
74.04
70.23
72.10
63.65
63.30
62.10
59.39
62.41
63.77
64.97
70.57
1974
72.81
73.00
71.90
66.47
62.81
59.20
58.81
60.77
62.83
63.74
66.67
70.10
1975
70.96
73.26
72.57
66.10
63.03
59.97
56.15
62.42
64.37
65.94
67.76
72.23
1976
73.97
72.28
71.97
66.50
63.52
60.20
58.94
60.71
61.23
65.03
68.40
72.88
1977
73.88
74.78
75.11
68.75
67.00
63.60
61.00
66.85
67.28
69.57
71.45
70.00
1978
75.93
73.60
72.31
66.84
62.25
M
64.12
61.73
65.48
66.77
70.00
68.67
1979
66.22
75.06
71.00
69.17
65.53
60.12
59.93
65.29
64.56
69.57
68.67
73.00
1980
71.50
72.78
74.50
69.43
66.41
62.47
62.79
63.50
62.00
67.00
69.36
74.29
1981
72.75
76.40
77.00
68.77
68.07
63.09
58.50
61.20
68.27
64.80
72.00
70.83
1982
72.60
74.50
73.86
68.50
66.00
67.50
66.25
64.40
65.50
67.67
72.72
71.08
1983
74.96
74.70
72.68
70.88
69.19
61.82
63.14
60.79
62.33
65.25
71.44
74.22
1984
76.76
76.04
72.04
68.71
67.23
64.00
62.86
60.25
62.44
67.86
69.37
70.95
1985
72.29
75.00
75.54
72.38
65.00
59.83
59.63
62.07
64.55
67.00
69.52
70.79
1986
74.56
74.40
73.31
71.93
68.52
61.93
60.61
65.04
63.39
65.70
70.69
73.52
1987
76.31
74.40
71.92
71.50
67.00
60.15
64.21
60.65
62.39
66.23
69.92
72.14
1988
76.17
72.56
72.44
70.45
66.81
59.31
55.30
60.64
64.33
66.52
69.00
71.52
1989
75.24
74.27
73.30
70.33
64.43
62.54
58.77
61.10
64.77
64.75
70.12
71.59
1990
75.19
74.44
74.77
72.88
64.26
62.63
60.04
58.97
61.11
68.04
72.78
71.89
1991
71.88
72.80
72.84
71.00
65.26
64.14
59.46
61.20
61.79
66.84
70.22
74.97
1992
73.75
M
73.94
70.56
69.23
63.79
61.16
60.27
64.38
67.70
67.56
71.00
1993
74.48
74.11
74.07
69.41
65.58
62.65
62.33
58.81
63.18
67.29
72.55
73.68
1994
72.96
76.83
73.00
70.82
68.20
63.36
59.26
60.63
64.28
68.67
70.57
72.87
1995
76.65
74.04
72.70
69.40
64.97
62.55
63.97
64.48
63.38
65.68
69.59
71.10
1996
76.77
75.90
74.10
71.23
64.81
62.55
57.48
57.61
63.20
66.19
68.53
72.10
1997
73.87
74.71
70.90
67.76
63.71
64.80
61.71
62.03
64.44
67.00
M
76.12
1998
75.77
75.11
75.04
70.86
65.59
60.91
62.03
65.74
64.70
66.31
66.22
73.00
1999
75.45
76.21
73.63
70.90
64.17
60.93
60.84
58.81
64.79
65.10
64.62
70.42
2000
72.84
72.24
71.68
67.53
63.68
61.43
56.90
58.72
62.67
68.71
70.85
71.10
2001
75.00
76.56
73.87
72.43
66.46
64.47
62.54
62.81
64.77
66.81
70.53
71.66
2002
74.10
72.43
75.15
73.41
67.89
66.27
61.57
65.63
63.46
71.38
71.54
74.31
2003
74.40
76.04
74.00
70.42
65.62
64.78
62.19
60.93
64.62
68.47
71.59
74.58
2004
71.86
72.18
72.15
71.41
65.73
61.93
60.48
60.73
67.93
66.68
69.86
70.63
2005
73.11
70.77
73.50
72.80
66.52
64.77
61.69
66.20
65.57
68.83
70.10
70.68
2006
74.72
75.04
73.70
66.89
62.47
62.44
60.93
62.03
61.75
66.40
67.50
71.29
2007
M
70.96
M
M
M
M
M
M
M
M
M
M
2008
M
M
M
M
M
M
M
M
M
M
M
M
2009
75.17
74.00
71.73
69.62
M
M
M
M
M
M
91.40
M
2010
82.40
M
M
M
75.20
M
M
75.20
M
M
68.00
71.60
2011
77.00
M
M
80.60
59.00
60.20
M
60.98
59.36
64.75
64.04
68.06
2012
68.70
72.10
69.57
68.42
62.72
62.78
59.84
60.39
62.54
68.87
67.70
76.80
2013
70.48
71.73
70.67
64.82
62.83
62.90
57.37
57.72
61.52
64.86
68.60
70.96
2014
72.88
73.08
70.96
67.10
63.01
62.12
59.52
59.12
63.80
65.50
68.36
71.08
2015
75.03
72.95
72.12
67.52
71.06
64.17
62.12
61.32
65.78
68.35
70.86
73.34
2016
71.77
74.52
72.70
71.60
65.27
57.68
58.88
59.70
63.59
67.59
67.76
71.08
2017
74.56
72.89
71.77
68.42
65.85
60.68
57.08
61.09
64.58
68.35
66.44
71.89
2018
73.69
70.83
73.34
67.82
63.82
62.90
59.46
59.58
63.92
66.43
67.40
69.34
2019
73.69
71.02
74.56
72.32
68.75
65.95
62.31
63.82
66.98
72.82
72.68
75.32
2020
76.83
75.26
73.81
70.40
66.32
68.06
65.62
64.63
69.26
71.87
72.50
76.65
2021
78.63
76.49
76.94
71.24
65.91
65.00
59.75
64.40
69.08
69.34
72.38
74.10
2022
77.00
77.45
76.42
71.72
66.37
63.56
64.63
64.46
64.94
71.89
71.54
75.26
2023
76.71
77.58
76.25
72.26
68.17
65.36
64.75
67.30
71.78
71.25
76.28
76.88
2024
76.36
76.94
75.08
71.78
68.93
65.54
61.03
60.92
67.40
70.03
72.38
74.39
2025
78.33
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
81.32
81.11
76.60
78.07
70.53
70.92
68.82
64.82
66.28
69.84
71.59
76.90
1974
78.69
78.91
77.74
72.48
70.82
66.45
67.10
68.44
67.83
69.68
74.55
75.48
1975
77.15
79.31
79.33
72.93
70.19
67.70
64.46
70.06
70.08
71.11
73.90
77.79
1976
80.32
78.67
78.13
73.48
70.61
68.13
66.21
67.03
66.58
70.77
74.23
78.25
1977
77.94
80.78
79.22
74.12
73.69
69.53
70.33
71.72
70.69
73.79
75.45
74.45
1978
80.50
80.17
77.91
72.05
69.92
M
70.62
68.07
70.74
72.12
75.02
74.57
1979
72.96
79.65
75.94
74.78
70.00
66.62
65.07
70.57
69.94
74.62
73.77
77.85
1980
76.18
78.17
81.17
75.36
72.97
68.50
69.36
69.75
65.25
71.19
74.09
80.57
1981
79.00
82.70
79.88
74.58
73.63
69.41
66.55
66.10
74.45
69.60
75.19
75.00
1982
76.80
79.38
77.93
72.55
70.90
74.25
70.00
68.10
69.75
72.38
76.75
75.94
1983
79.65
80.62
77.68
75.20
73.42
67.18
67.95
66.62
64.72
70.00
77.17
79.43
1984
83.17
81.74
76.92
73.77
73.10
70.21
69.03
65.21
67.26
72.22
74.11
75.38
1985
76.30
80.37
80.40
78.02
70.78
66.77
66.93
69.05
69.21
72.05
74.26
75.97
1986
80.93
80.74
78.66
77.45
74.43
69.00
66.88
70.21
69.27
70.75
76.33
78.55
1987
81.65
80.16
77.40
77.10
71.62
66.98
71.79
67.71
67.39
70.04
74.85
77.41
1988
82.07
76.70
78.36
75.02
70.41
64.81
62.57
67.62
68.11
71.07
74.23
76.54
1989
80.66
79.25
78.42
76.83
70.22
68.71
65.21
68.17
69.13
69.23
74.96
75.97
1990
80.37
79.90
79.92
78.92
70.00
68.96
64.37
64.92
66.93
72.85
77.80
77.26
1991
77.31
78.14
78.06
76.50
72.98
70.34
66.88
67.72
67.89
72.89
75.52
80.88
1992
80.12
M
79.72
76.46
74.63
71.52
67.34
64.73
68.28
73.17
72.65
76.52
1993
81.50
79.71
79.47
76.57
72.81
69.17
68.12
65.07
68.23
72.62
78.30
79.03
1994
78.59
83.46
78.03
76.30
74.58
69.52
68.69
66.33
69.71
73.42
76.47
79.55
1995
82.40
79.25
78.53
75.32
70.44
69.62
70.60
69.98
69.45
70.39
74.91
77.38
1996
82.31
80.62
78.63
77.42
70.97
68.52
63.42
64.66
68.67
72.63
74.18
79.32
1997
79.52
80.96
77.60
74.97
71.26
71.60
69.85
69.72
70.50
71.92
M
82.44
1998
82.35
81.66
81.09
77.38
72.21
68.37
68.20
70.94
70.02
71.71
72.00
77.78
1999
80.55
81.75
80.22
76.19
70.74
67.65
66.81
67.13
72.00
70.40
71.12
76.79
2000
79.19
78.07
77.56
75.45
72.02
70.12
64.63
65.16
68.28
73.93
75.74
78.12
2001
82.05
83.06
80.79
79.28
71.31
70.68
69.35
70.08
70.17
72.52
75.63
77.74
2002
80.28
78.70
81.98
79.35
74.29
72.41
66.82
71.63
69.09
76.48
77.80
79.69
2003
79.98
84.17
79.72
76.59
72.07
71.53
69.19
66.93
69.66
73.57
76.69
80.27
2004
77.39
78.12
78.00
77.78
70.65
69.03
67.66
67.63
72.88
71.41
75.12
76.02
2005
77.45
76.50
78.47
78.38
73.66
72.65
68.76
73.57
69.89
72.50
75.18
76.35
2006
80.19
79.74
79.53
73.59
68.33
68.84
69.29
69.32
68.39
70.38
72.73
75.89
2007
M
76.61
M
M
M
M
M
M
M
M
M
M
2008
M
M
M
M
M
M
M
M
M
M
M
M
2009
81.92
80.92
79.27
75.42
M
M
M
M
M
M
91.40
M
2010
82.40
M
M
M
75.20
M
M
75.20
M
M
68.00
77.61
2011
83.84
M
M
83.30
59.00
60.20
M
66.65
66.14
71.05
70.52
75.37
2012
75.81
80.44
76.62
74.90
70.38
68.99
67.52
68.49
69.59
74.13
73.16
80.10
2013
76.10
79.86
76.85
72.50
70.73
69.08
64.60
65.91
68.63
70.82
74.33
77.49
2014
81.59
80.70
78.19
74.09
70.53
69.56
66.98
68.00
70.73
72.62
74.66
77.32
2015
81.88
79.15
77.96
74.27
73.31
70.36
69.44
70.29
71.72
72.91
75.01
79.31
2016
77.90
81.53
79.00
78.50
70.50
62.24
65.85
66.66
68.74
72.47
73.25
77.96
2017
80.34
80.25
77.81
74.03
71.48
68.75
65.85
67.71
71.33
74.65
73.19
77.03
2018
79.58
77.00
79.61
74.84
71.28
68.51
66.93
64.84
69.53
71.28
72.86
76.68
2019
81.88
77.67
79.24
76.61
73.66
72.78
68.81
69.68
70.88
76.30
75.53
78.86
2020
81.15
78.83
77.78
75.14
72.27
73.82
71.34
69.57
73.01
75.13
75.89
80.43
2021
82.57
80.79
81.38
75.77
71.51
69.74
66.55
69.63
73.13
72.33
75.89
77.46
2022
80.72
81.85
81.47
76.25
71.86
68.48
71.89
69.83
69.17
75.64
75.11
78.42
2023
80.80
82.69
80.69
76.70
73.43
72.35
70.82
72.85
77.24
74.13
80.15
80.40
2024
80.11
81.25
79.32
77.30
75.08
72.95
65.36
66.87
71.81
73.63
75.83
77.99
2025
82.68
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.