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
1975
M
M
M
M
M
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
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
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
M
M
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
1975
M
M
M
M
M
4.6
8.9
7.6
8.0
6.9
7.4
8.1
1976
8.4
7.9
8.8
9.2
9.3
10.7
8.5
8.3
9.9
9.5
8.3
7.4
1977
7.7
9.2
11.3
9.4
8.6
8.3
7.9
7.9
9.3
7.7
6.3
7.0
1978
7.4
7.2
9.2
9.8
8.9
10.0
8.6
7.4
9.9
7.6
7.1
5.7
1979
7.2
8.4
7.5
9.7
9.4
9.4
6.9
7.3
6.6
6.4
5.2
5.5
1980
5.6
6.5
7.1
7.3
7.0
8.1
7.1
6.4
6.1
4.8
6.6
5.8
1981
5.2
7.5
8.8
7.9
8.0
8.3
5.6
6.3
5.3
4.9
5.7
5.0
1982
5.8
5.7
7.0
7.4
6.9
7.8
5.0
6.6
5.7
4.0
3.4
4.1
1983
11.3
15.0
15.2
16.2
13.0
13.2
11.1
5.3
6.5
5.1
4.1
5.1
1984
5.5
5.1
6.8
8.9
7.6
6.7
8.0
6.9
7.3
5.8
5.9
5.2
1985
4.9
5.0
5.6
6.2
6.3
5.5
5.1
5.0
4.2
3.9
4.3
4.2
1986
4.4
5.2
5.0
5.8
7.2
6.0
5.7
5.9
5.5
5.3
4.7
4.0
1987
4.7
5.9
6.5
6.0
5.8
5.8
6.5
5.3
4.7
4.6
3.8
3.1
1988
3.8
4.0
5.0
5.6
5.4
5.5
4.3
4.2
4.0
3.2
3.3
3.1
1989
3.3
4.0
4.7
4.4
4.9
5.0
4.5
3.8
3.8
2.9
3.2
2.8
1990
3.3
4.2
4.5
4.9
5.0
4.7
4.1
4.1
3.3
3.6
3.5
3.2
1991
3.7
4.5
5.0
4.3
5.2
5.1
3.8
4.0
3.0
3.1
2.7
3.0
1992
2.6
3.1
4.4
4.5
4.4
4.2
7.3
6.5
7.0
5.7
4.8
3.7
1993
3.1
3.3
4.0
4.3
5.3
5.3
4.0
4.2
4.0
3.1
3.1
2.7
1994
3.4
4.1
5.0
4.6
4.6
4.3
M
M
M
3.4
3.8
3.4
1995
3.6
4.2
5.4
5.7
5.1
5.6
4.8
5.2
4.4
4.1
4.3
4.5
1996
4.7
5.5
6.2
6.1
6.1
5.4
4.8
5.5
5.4
6.2
5.6
5.0
1997
5.4
6.0
6.7
7.7
7.1
7.2
7.2
7.4
6.4
5.4
5.6
5.2
1998
5.7
6.8
7.0
7.3
6.9
6.4
7.0
5.9
6.4
5.7
5.2
5.5
1999
5.3
5.9
6.5
6.7
6.7
7.0
7.4
7.0
7.0
5.5
5.9
5.0
2000
6.1
5.9
6.4
6.0
6.4
7.9
6.5
6.5
6.0
5.9
5.8
5.6
2001
6.2
5.9
6.8
6.7
6.7
7.1
7.6
5.1
7.8
5.4
5.5
5.3
2002
6.7
5.6
6.2
6.7
5.7
7.4
7.0
5.8
6.9
7.2
5.8
5.4
2003
5.4
6.4
7.1
7.5
6.4
5.6
6.5
6.0
5.8
6.1
5.1
5.7
2004
5.7
5.9
6.3
6.5
6.0
5.2
6.1
6.5
5.6
5.7
5.4
5.4
2005
5.9
6.1
6.8
6.6
6.9
7.9
6.4
6.6
6.6
5.4
4.8
5.1
2006
5.7
5.5
6.4
6.5
6.6
6.3
5.9
4.6
5.8
5.2
4.8
4.9
2007
5.3
5.9
5.8
6.4
6.0
6.0
6.3
6.8
5.3
5.0
4.6
4.3
2008
5.4
5.5
5.3
4.4
6.4
6.0
6.0
5.9
4.9
5.6
4.9
4.9
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
8.7
6.5
5.1
5.7
4.8
4.1
2012
4.9
4.6
5.6
6.2
5.0
5.2
3.8
4.2
3.6
3.1
2.5
2.9
2013
2.9
3.7
3.5
5.5
7.3
4.8
5.1
5.5
5.4
5.0
4.4
5.0
2014
4.7
4.6
5.5
5.6
5.4
5.9
5.6
6.1
8.1
5.1
5.0
5.0
2015
5.0
5.6
5.8
6.1
5.5
6.7
6.0
5.8
5.9
5.4
4.7
4.9
2016
4.7
5.2
6.1
5.8
6.0
5.9
5.6
5.5
5.4
5.3
5.0
4.3
2017
4.7
5.1
5.3
5.6
5.9
5.6
5.4
5.4
5.1
4.9
4.4
4.5
2018
4.4
4.8
4.4
4.9
5.6
5.0
5.4
5.1
5.3
5.1
4.3
4.2
2019
4.6
4.8
5.2
5.9
5.8
5.2
5.8
5.9
6.0
4.4
4.6
4.0
2020
4.8
4.6
4.9
4.9
5.7
6.2
5.8
5.5
5.6
4.8
4.7
5.4
2021
5.1
5.2
5.1
5.5
5.4
5.6
4.9
6.0
5.1
5.5
5.1
4.4
2022
4.6
4.9
5.7
6.1
5.9
6.5
5.8
5.3
5.9
5.0
4.6
5.0
2023
5.2
5.4
5.9
6.1
6.0
6.7
6.1
5.8
5.8
5.2
6.0
5.3
2024
5.7
6.6
7.4
6.7
6.6
7.1
6.3
6.0
6.9
5.7
4.8
5.1
2025
5.2
5.5
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
1975
M
M
M
M
M
88.00
86.90
88.71
87.40
89.10
88.57
86.45
1976
86.45
85.93
85.48
87.47
89.90
88.80
90.13
89.65
89.63
87.27
83.00
84.08
1977
83.86
84.95
85.24
87.00
89.29
90.80
91.00
89.90
89.63
89.97
89.43
88.06
1978
87.03
87.32
87.68
87.90
87.32
89.07
88.52
89.37
86.69
88.00
88.73
87.55
1979
87.33
86.72
87.26
88.00
89.60
88.63
88.81
89.32
87.07
88.45
87.03
87.52
1980
86.23
87.38
87.10
88.43
90.06
90.70
90.90
88.26
88.23
90.00
88.93
88.61
1981
85.90
86.54
85.39
87.27
86.16
87.00
89.06
88.13
89.30
89.39
88.80
87.97
1982
85.87
87.82
86.90
89.97
89.84
88.90
89.52
90.48
88.31
88.16
87.87
86.55
1983
85.55
84.43
83.29
85.13
87.68
90.67
90.29
90.23
87.37
88.94
88.23
87.19
1984
85.94
86.62
86.70
86.00
89.35
89.20
87.71
88.68
85.33
89.35
88.53
88.39
1985
86.32
86.07
86.81
83.53
86.97
89.47
89.26
89.32
89.73
89.50
89.33
88.45
1986
87.32
86.61
84.90
85.86
87.23
88.28
90.55
90.32
89.93
90.00
89.20
88.55
1987
87.39
86.93
86.52
87.97
88.55
90.79
89.26
90.97
90.17
90.74
90.00
88.97
1988
88.52
88.45
88.06
86.87
84.39
86.60
89.61
87.65
87.20
90.23
89.00
87.16
1989
86.84
87.93
85.13
84.73
88.48
89.30
89.71
89.65
87.30
89.90
90.43
87.55
1990
88.00
87.75
88.74
90.20
90.55
90.20
89.81
90.35
89.43
89.87
90.33
89.13
1991
87.48
89.04
87.23
87.70
89.80
90.13
91.10
90.61
89.20
89.58
89.90
90.00
1992
88.32
86.66
89.45
89.33
90.74
90.93
89.77
89.81
89.03
88.23
88.93
88.13
1993
87.87
87.11
87.87
86.10
88.29
89.17
88.84
89.06
88.33
89.61
90.10
89.10
1994
87.68
87.86
87.29
86.47
88.84
90.87
M
M
M
91.32
91.23
91.16
1995
90.00
90.75
88.90
88.03
90.58
91.43
91.94
89.13
90.03
89.26
90.50
88.81
1996
86.19
87.17
86.90
87.80
89.52
89.30
88.29
87.71
89.33
87.39
88.60
86.32
1997
84.84
85.61
87.13
87.63
89.77
89.37
89.71
90.48
87.53
86.03
86.30
85.10
1998
85.13
83.93
86.32
85.87
86.61
90.47
88.87
92.19
88.47
91.03
89.90
89.55
1999
85.71
85.43
84.77
85.30
88.94
88.67
87.10
87.61
84.70
84.61
86.67
84.68
2000
84.19
84.68
82.63
84.25
87.55
87.53
88.97
88.17
85.93
87.50
88.80
87.62
2001
86.75
87.41
83.48
84.85
87.34
89.41
89.48
91.68
86.84
89.20
87.80
87.58
2002
85.29
87.08
87.97
89.79
90.53
88.22
89.02
89.32
86.84
88.33
86.84
87.45
2003
91.82
87.97
83.51
87.53
88.95
86.83
89.21
88.68
88.74
91.17
91.19
88.77
2004
M
82.40
M
M
M
86.83
85.40
86.07
84.69
83.30
80.54
79.86
2005
87.80
87.48
84.84
88.10
89.19
89.12
88.73
M
82.40
88.09
89.54
86.64
2006
86.58
78.93
78.51
81.64
83.75
85.84
85.26
87.38
83.75
82.40
78.43
78.88
2007
86.58
85.36
86.87
86.72
87.92
90.14
88.21
87.05
85.82
86.06
85.94
83.85
2008
85.07
83.52
84.78
86.78
87.28
87.62
85.94
86.64
85.34
86.06
76.19
73.03
2009
84.26
86.39
85.30
84.80
88.38
89.12
89.08
90.35
87.86
86.93
86.72
86.35
2010
85.25
84.07
85.48
86.72
87.22
88.10
86.58
85.71
84.98
87.05
85.94
83.91
2011
83.83
81.57
81.50
84.26
87.08
85.10
84.13
84.51
86.30
86.64
86.60
85.25
2012
85.52
85.01
85.77
82.82
89.08
88.94
90.99
90.06
92.00
90.99
89.84
89.66
2013
89.14
88.06
88.15
85.46
85.25
87.80
86.81
87.34
84.86
86.23
86.36
86.87
2014
85.54
84.59
84.78
87.74
88.44
87.44
89.02
88.61
86.54
85.59
86.96
85.71
2015
85.71
85.04
85.36
86.42
90.06
88.52
88.79
89.14
87.44
87.05
87.80
87.97
2016
86.23
87.06
85.25
85.70
87.51
88.70
88.61
87.74
87.32
88.09
86.84
86.87
2017
85.77
84.65
85.36
84.56
86.75
86.96
88.44
87.16
86.72
87.22
86.84
85.65
2018
85.88
86.13
84.43
87.02
88.50
86.90
88.67
87.92
87.86
86.35
87.02
86.12
2019
85.42
84.59
86.46
84.32
86.41
89.18
88.85
88.90
88.22
86.64
87.38
86.87
2020
87.34
86.93
87.05
85.46
87.10
88.34
89.02
86.70
87.68
87.68
86.84
85.65
2021
85.36
84.39
85.65
87.08
89.08
86.72
87.97
86.81
86.48
86.70
86.48
86.87
2022
85.54
86.39
84.43
86.36
88.21
86.60
88.03
87.97
85.40
86.06
86.90
86.46
2023
85.83
87.09
86.75
88.10
90.65
90.98
90.06
88.79
90.02
87.58
88.46
86.81
2024
86.64
85.63
84.66
85.46
87.92
87.86
89.43
88.90
87.00
87.34
86.90
85.88
2025
84.78
84.90
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
1975
M
M
M
M
M
77.67
74.94
76.87
75.67
75.58
73.47
70.61
1976
71.26
70.28
71.03
73.70
76.13
76.03
78.77
79.73
79.58
80.14
75.80
78.72
1977
75.18
76.77
73.92
74.88
77.26
78.20
77.84
77.77
77.47
78.10
76.00
73.52
1978
72.45
72.64
72.97
74.63
74.81
78.63
77.07
78.80
79.12
79.65
75.47
74.52
1979
71.13
73.12
73.58
74.46
76.43
78.23
77.45
77.39
76.87
77.35
74.67
75.55
1980
71.58
72.52
73.29
77.20
78.68
79.63
77.97
77.00
76.93
78.35
75.77
72.42
1981
69.26
72.32
70.94
73.50
73.61
76.00
76.87
76.81
77.37
76.68
75.10
73.50
1982
70.42
72.21
72.10
76.07
77.61
78.83
77.13
77.52
76.28
75.97
74.20
71.55
1983
70.83
68.14
69.03
70.87
74.06
78.33
77.45
78.10
75.87
75.71
74.53
72.74
1984
71.97
71.41
71.90
72.60
76.71
75.60
75.16
75.26
73.83
76.42
72.93
71.23
1985
71.19
69.07
71.55
70.23
74.77
76.20
75.90
75.81
76.73
77.07
73.40
72.97
1986
71.19
70.46
67.10
72.66
75.32
76.31
76.74
77.32
77.00
76.26
75.87
72.61
1987
70.77
71.61
72.87
73.90
76.06
79.00
77.48
78.29
78.27
77.42
75.60
73.87
1988
71.81
72.76
72.71
73.07
70.68
75.17
77.58
76.97
76.53
77.90
73.70
72.13
1989
71.74
71.79
69.13
69.10
74.87
76.53
77.00
76.26
75.60
76.48
75.40
73.23
1990
72.23
73.96
73.74
76.40
78.97
77.77
76.87
77.06
77.40
77.13
75.53
72.94
1991
70.42
72.71
71.77
72.70
77.17
76.83
77.97
77.06
76.37
75.71
74.27
72.58
1992
71.71
68.24
73.29
74.77
78.23
78.13
75.90
76.68
76.73
75.06
74.73
73.16
1993
72.68
71.93
71.52
70.33
74.39
76.47
76.90
76.87
76.53
77.90
76.03
72.87
1994
73.29
73.32
73.00
72.30
76.29
78.13
M
M
M
77.12
76.27
76.13
1995
73.74
73.75
72.32
72.00
76.35
78.50
77.19
76.23
77.20
77.39
75.80
72.55
1996
70.10
71.03
71.19
71.93
76.90
76.67
76.39
76.87
76.87
76.35
74.07
72.55
1997
69.94
70.96
72.23
72.50
77.19
78.17
78.55
78.10
76.20
75.19
75.53
74.00
1998
68.97
67.93
72.00
71.93
71.90
78.33
76.48
76.68
75.53
77.26
75.33
73.06
1999
69.65
70.36
68.42
68.53
74.97
76.73
76.48
76.81
75.87
75.23
72.70
69.81
2000
69.59
71.64
67.27
69.63
74.75
77.23
76.45
77.01
75.07
76.85
74.73
73.21
2001
67.92
71.47
67.80
68.90
74.27
68.50
75.00
75.23
70.19
74.90
72.26
71.66
2002
70.79
72.50
71.77
74.54
77.00
65.18
74.13
75.14
67.23
61.98
69.85
68.62
2003
68.32
68.86
65.41
71.23
74.46
74.64
75.46
71.55
63.55
74.45
77.57
73.03
2004
M
76.10
M
M
M
84.48
80.94
83.23
83.22
80.42
75.14
73.90
2005
72.12
72.11
68.12
73.82
74.97
76.58
79.03
M
82.40
75.14
73.88
71.95
2006
70.90
70.57
71.19
77.95
80.68
81.62
82.09
82.40
82.85
82.40
75.76
73.92
2007
72.12
70.70
71.25
71.54
74.10
78.50
75.55
76.36
76.10
75.66
73.76
71.31
2008
68.46
67.38
68.46
72.56
75.37
77.18
76.13
75.61
76.88
75.90
74.52
70.67
2009
72.24
70.96
70.85
72.80
78.22
79.34
77.70
78.16
77.60
77.23
74.66
72.76
2010
72.06
71.02
70.09
71.78
73.40
77.18
77.46
76.42
76.04
76.59
72.56
69.28
2011
68.25
71.95
71.06
74.75
80.10
80.85
78.80
79.42
77.24
76.83
74.84
68.70
2012
70.38
71.91
70.09
66.74
75.90
78.50
79.09
77.99
77.84
78.80
75.56
75.43
2013
74.62
73.40
74.68
73.16
73.81
77.54
77.35
77.00
76.10
76.48
76.52
74.85
2014
73.11
72.31
72.12
75.44
77.81
77.24
78.57
77.23
76.64
76.71
75.92
72.76
2015
72.47
73.01
73.34
75.02
79.09
78.20
77.87
78.45
77.18
77.41
77.90
75.72
2016
74.39
73.65
72.82
74.42
77.75
78.08
77.00
77.46
77.06
78.57
75.56
74.15
2017
72.18
70.83
72.47
71.30
76.48
77.48
78.34
77.06
75.56
76.94
76.22
72.12
2018
72.94
73.66
71.31
73.52
78.39
76.28
78.51
76.83
77.06
76.54
74.96
73.57
2019
72.24
70.96
72.65
71.06
74.56
79.22
77.70
78.34
77.60
77.17
76.58
74.62
2020
73.86
72.41
74.85
73.04
74.15
78.32
78.16
77.46
77.66
77.81
75.80
74.27
2021
73.40
70.83
73.34
73.16
77.46
77.48
78.92
77.70
77.66
77.46
75.62
74.39
2022
72.41
73.59
69.22
72.68
75.37
76.16
77.23
76.88
76.28
77.06
75.44
72.30
2023
71.19
73.53
72.99
75.32
78.86
79.88
78.80
77.52
78.92
77.53
77.85
75.72
2024
73.52
73.71
70.96
73.52
77.35
78.74
79.03
78.39
77.93
77.87
77.90
73.98
2025
73.52
75.36
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
1975
M
M
M
M
M
82.83
80.92
82.79
81.53
82.34
81.02
78.53
1976
78.85
78.10
78.26
80.58
83.02
82.42
84.45
84.69
84.61
83.70
79.40
81.40
1977
79.52
80.86
79.58
80.94
83.27
84.50
84.42
83.84
83.55
84.03
82.72
80.79
1978
79.74
79.98
80.32
81.27
81.06
83.85
82.79
84.08
82.90
83.82
82.10
81.03
1979
79.23
79.92
80.42
81.23
83.02
83.43
83.13
83.35
81.97
82.90
80.85
81.53
1980
78.90
79.95
80.19
82.82
84.37
85.17
84.44
82.63
82.58
84.18
82.35
80.52
1981
77.58
79.43
78.16
80.38
79.89
81.50
82.97
82.47
83.33
83.03
81.95
80.73
1982
78.15
80.02
79.50
83.02
83.73
83.87
83.32
84.00
82.29
82.06
81.03
79.05
1983
78.19
76.29
76.16
78.00
80.87
84.50
83.87
84.16
81.62
82.32
81.38
79.97
1984
78.95
79.02
79.30
79.30
83.03
82.40
81.44
81.97
79.58
82.89
80.73
79.81
1985
78.76
77.57
79.18
76.88
80.87
82.83
82.58
82.56
83.23
83.28
81.37
80.71
1986
79.26
78.54
76.00
79.26
81.27
82.29
83.65
83.82
83.47
83.13
82.53
80.58
1987
79.08
79.27
79.69
80.93
82.31
84.90
83.37
84.63
84.22
84.08
82.80
81.42
1988
80.16
80.60
80.39
79.97
77.53
80.88
83.60
82.31
81.87
84.06
81.35
79.65
1989
79.29
79.86
77.13
76.92
81.68
82.92
83.35
82.95
81.45
83.19
82.92
80.39
1990
80.11
80.86
81.24
83.30
84.76
83.98
83.34
83.71
83.42
83.50
82.93
81.03
1991
78.95
80.88
79.50
80.20
83.48
83.48
84.53
83.84
82.78
82.65
82.08
81.29
1992
80.02
77.45
81.37
82.05
84.48
84.53
82.84
83.24
82.88
81.65
81.83
80.65
1993
80.27
79.52
79.69
78.22
81.34
82.82
82.87
82.97
82.43
83.76
83.07
80.98
1994
80.48
80.59
80.15
79.38
82.56
84.50
M
M
M
84.22
83.75
83.65
1995
81.87
82.25
80.61
80.02
83.47
84.97
84.56
82.68
83.62
83.32
83.15
80.68
1996
78.15
79.10
79.05
79.87
83.21
82.98
82.34
82.29
83.10
81.87
81.33
79.44
1997
77.39
78.29
79.68
80.07
83.48
83.77
84.13
84.29
81.87
80.61
80.92
79.55
1998
77.05
75.93
79.16
78.90
79.26
84.40
82.68
84.44
82.00
84.15
82.62
81.31
1999
77.68
77.89
76.60
76.92
81.95
82.70
81.79
82.21
80.28
79.92
79.68
77.24
2000
76.89
78.16
74.95
76.94
81.15
82.38
82.71
82.59
80.50
82.17
81.77
80.42
2001
77.34
79.44
75.64
76.88
80.80
78.96
82.24
83.46
78.51
82.05
80.03
79.62
2002
78.04
79.79
79.87
82.17
83.76
76.70
81.57
82.23
77.04
75.15
78.35
78.04
2003
80.65
78.42
74.46
79.44
81.71
80.69
82.34
79.99
76.15
82.81
84.38
80.90
2004
M
79.25
M
M
M
85.65
83.17
84.65
83.95
81.86
77.84
76.88
2005
79.96
79.80
76.48
80.96
82.08
82.85
83.88
M
82.40
81.62
81.71
79.29
2006
78.74
74.75
74.85
79.79
82.21
83.73
83.67
84.89
83.30
82.40
77.09
76.40
2007
79.35
78.03
79.06
79.13
81.01
84.32
81.88
81.70
80.96
80.86
79.85
77.58
2008
76.77
75.45
76.62
79.67
81.33
82.40
81.04
81.12
81.11
80.98
75.36
71.85
2009
78.25
78.67
78.07
78.80
83.30
84.23
83.39
84.26
82.73
82.08
80.69
79.55
2010
78.65
77.55
77.78
79.25
80.31
82.64
82.02
81.06
80.51
81.82
79.25
76.59
2011
76.04
76.76
76.28
79.51
83.59
82.97
81.47
81.97
81.77
81.73
80.72
76.97
2012
77.99
78.46
77.93
74.78
82.49
83.72
85.04
84.03
84.92
84.90
82.70
82.55
2013
81.88
80.73
81.41
79.31
79.53
82.67
82.08
82.17
80.48
81.35
81.44
80.86
2014
79.32
78.45
78.45
81.59
83.13
82.34
83.79
82.92
81.59
81.15
81.44
79.24
2015
79.09
79.02
79.35
80.72
84.58
83.36
83.33
83.79
82.31
82.23
82.85
81.85
2016
80.31
80.35
79.03
80.06
82.63
83.39
82.81
82.60
82.19
83.33
81.20
80.51
2017
78.97
77.74
78.92
77.93
81.62
82.22
83.39
82.11
81.14
82.08
81.53
78.89
2018
79.41
79.89
77.87
80.27
83.45
81.59
83.59
82.37
82.46
81.44
80.99
79.85
2019
78.83
77.77
79.55
77.69
80.48
84.20
83.27
83.62
82.91
81.91
81.98
80.75
2020
80.60
79.67
80.95
79.25
80.63
83.33
83.59
82.08
82.67
82.75
81.32
79.96
2021
79.38
77.61
79.50
80.12
83.27
82.10
83.45
82.25
82.07
82.08
81.05
80.63
2022
78.97
79.99
76.83
79.52
81.79
81.38
82.63
82.43
80.84
81.56
81.17
79.38
2023
78.51
80.31
79.87
81.71
84.75
85.43
84.43
83.15
84.47
82.55
83.16
81.27
2024
80.08
79.67
77.81
79.49
82.63
83.30
84.23
83.65
82.47
82.60
82.40
79.93
2025
79.15
80.13
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.
