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
1974
M
M
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
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
M
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
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
M
M
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
M
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
20.00
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
1974
M
M
4.4
7.5
8.8
7.2
6.6
6.1
6.4
7.2
8.3
7.8
1975
7.6
5.8
5.7
4.7
5.1
5.0
6.2
6.3
8.3
8.3
8.6
8.0
1976
7.4
5.3
4.4
3.8
4.3
4.2
4.2
4.5
5.0
5.1
5.6
5.9
1977
5.0
4.6
4.5
6.0
6.2
6.9
7.2
7.4
7.6
7.5
6.7
6.9
1978
7.0
9.5
9.8
9.2
5.9
5.8
5.9
5.4
5.0
4.7
6.0
6.4
1979
6.3
6.5
6.0
6.1
5.0
5.0
5.3
7.5
6.9
6.9
8.0
7.5
1980
7.4
6.7
7.0
6.3
5.0
5.7
6.9
7.2
5.3
6.1
5.7
6.2
1981
6.7
M
6.7
5.4
5.9
5.8
5.1
5.4
6.0
6.4
6.2
6.3
1982
7.4
5.8
6.0
6.6
5.9
5.5
5.5
5.3
5.6
5.3
5.2
5.6
1983
3.5
3.0
3.7
3.1
3.3
4.0
3.7
4.7
4.6
5.0
5.1
5.5
1984
5.5
4.0
5.1
4.3
4.0
4.2
3.8
4.8
5.6
5.3
5.2
5.1
1985
4.9
6.1
5.1
4.9
4.4
4.8
3.7
3.8
5.8
6.2
5.9
5.8
1986
5.0
4.8
5.4
3.6
3.4
4.2
3.5
3.8
4.8
4.9
4.2
4.7
1987
4.4
3.6
2.2
3.0
3.1
3.7
3.6
4.5
4.1
4.7
5.0
4.4
1988
4.3
4.3
4.3
4.3
3.2
3.2
3.8
3.2
3.5
3.3
2.8
4.4
1989
4.1
3.9
3.7
3.0
3.6
2.8
7.0
6.3
6.5
6.5
7.4
6.4
1990
7.7
6.5
8.1
7.3
7.3
6.7
7.2
6.0
7.0
7.8
7.8
M
1991
10.8
11.2
8.6
9.5
8.0
8.0
4.4
5.9
5.0
5.2
6.0
5.6
1992
5.9
4.5
5.8
2.3
3.2
3.3
3.8
5.4
5.0
M
M
6.3
1993
6.5
6.6
4.4
4.5
5.7
5.3
6.8
5.9
5.5
5.2
6.4
6.2
1994
7.6
6.3
5.6
5.8
6.3
5.6
6.5
6.2
5.6
7.3
7.2
8.7
1995
5.7
M
4.4
4.2
4.1
3.5
4.5
5.5
5.7
5.0
4.2
4.6
1996
5.1
6.3
5.1
5.2
5.3
4.1
3.8
4.1
4.4
4.7
4.8
5.0
1997
4.8
4.5
4.2
3.9
3.7
3.4
3.9
4.3
4.1
5.1
4.2
3.9
1998
3.5
3.1
3.2
2.3
2.6
3.5
3.7
3.9
M
M
M
M
1999
M
M
M
M
2.8
M
3.3
M
M
M
M
M
2000
M
M
M
3.7
2.8
2.9
3.5
7.1
M
4.9
4.2
M
2001
3.1
M
3.9
2.2
3.1
M
3.2
4.2
M
3.0
2.4
4.0
2002
4.0
3.4
3.1
2.6
M
M
M
2.9
M
1.1
2.9
1.5
2003
M
M
M
0.0
5.3
2.1
2.2
2.5
2.4
M
2.6
1.8
2004
M
M
2.8
M
1.5
0.5
M
M
M
3.3
M
M
2005
M
3.4
1.8
2.0
3.2
3.0
3.2
2.9
2.7
2.9
3.3
3.2
2006
3.9
3.6
3.6
3.8
3.8
3.4
3.5
3.5
3.2
3.2
2.9
3.3
2007
3.0
4.9
4.2
3.7
3.7
4.0
3.9
3.9
5.2
4.6
4.5
4.9
2008
4.2
4.2
4.0
4.7
4.0
4.0
4.1
4.9
4.7
4.9
3.4
5.1
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
4.1
4.3
4.6
4.4
4.5
2012
4.5
3.9
4.3
3.7
3.8
3.7
4.5
4.0
2.4
2.9
4.4
4.4
2013
4.2
4.4
3.9
3.8
3.6
3.6
0.4
0.1
0.0
1.5
4.3
4.7
2014
3.7
4.5
4.5
4.4
4.0
3.8
3.9
3.4
4.3
4.0
6.1
3.3
2015
4.8
4.3
4.1
3.3
3.5
3.4
3.7
4.6
4.5
4.4
4.4
4.5
2016
4.4
3.3
1.8
3.1
3.3
3.4
4.0
4.4
4.3
4.3
4.7
4.5
2017
4.3
3.4
2.0
0.0
1.1
5.5
5.1
5.3
5.4
5.5
5.5
5.9
2018
6.4
6.0
6.2
6.3
5.9
5.4
5.3
7.8
6.1
6.0
6.0
5.8
2019
5.5
4.8
5.5
5.6
5.6
5.5
5.1
5.4
5.8
5.8
6.3
7.0
2020
6.2
5.6
5.7
6.1
5.7
0.0
0.0
0.0
0.0
0.0
0.0
4.6
2021
4.2
4.5
4.9
6.4
5.7
6.7
5.9
5.9
6.6
6.4
6.2
6.1
2022
6.7
6.0
6.4
6.8
5.8
5.5
5.8
4.6
6.8
5.2
6.6
6.9
2023
7.1
6.6
5.9
5.2
5.5
5.5
5.7
6.2
6.4
6.7
6.4
6.5
2024
5.6
5.4
5.4
6.1
5.6
5.5
5.7
5.9
6.3
6.1
6.5
6.6
2025
5.8
5.7
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
1974
M
M
86.59
86.37
84.58
80.20
78.55
77.13
76.70
77.77
79.47
82.67
1975
85.00
85.11
86.19
86.03
84.00
81.20
78.16
75.90
77.40
78.00
79.20
80.84
1976
84.32
85.62
86.74
86.60
86.61
85.13
83.90
82.65
80.67
80.23
83.27
85.40
1977
84.81
86.22
87.35
86.80
85.16
82.80
79.80
78.10
78.03
79.58
81.20
84.97
1978
87.03
87.79
87.66
86.77
85.58
81.14
78.94
78.45
78.70
79.10
82.47
85.00
1979
86.34
87.43
87.29
87.30
85.61
82.93
78.26
79.23
79.83
81.03
81.47
83.58
1980
86.67
88.14
88.94
88.13
86.58
83.33
79.26
78.26
79.30
80.13
80.93
83.94
1981
85.28
M
87.60
87.70
82.81
80.53
78.94
77.45
79.53
79.13
81.07
84.55
1982
86.42
88.14
87.39
85.77
83.74
81.37
81.10
79.26
80.60
84.26
87.27
88.32
1983
86.84
88.07
88.48
88.31
87.19
87.69
87.55
86.32
83.87
82.26
83.23
84.55
1984
85.97
84.64
85.71
86.90
84.71
81.43
78.90
78.97
78.90
78.90
80.83
84.03
1985
83.68
86.27
86.00
84.57
81.00
80.33
76.48
76.19
76.73
78.55
79.97
82.04
1986
84.48
86.22
86.81
86.00
82.38
78.10
78.23
76.68
79.10
80.13
81.67
82.57
1987
87.48
86.64
87.13
87.93
86.35
84.03
80.90
80.68
79.70
81.23
82.50
84.45
1988
85.71
87.34
86.87
86.57
86.23
81.27
78.90
76.87
78.90
78.86
79.50
82.48
1989
85.83
84.15
86.04
86.24
83.39
78.66
78.42
75.17
74.93
77.14
79.86
82.00
1990
84.16
85.35
85.71
85.76
84.22
81.46
78.28
75.11
75.62
76.84
77.75
M
1991
84.46
87.59
88.71
88.00
86.27
80.81
79.52
78.77
77.11
79.85
81.61
84.32
1992
85.03
86.19
86.36
87.80
87.00
83.35
81.43
78.30
78.38
M
M
82.21
1993
83.90
86.05
86.86
86.10
85.80
83.59
81.63
79.54
78.93
79.89
80.39
83.03
1994
85.07
85.08
85.03
85.20
84.89
81.34
77.25
74.54
76.83
81.29
82.13
85.10
1995
87.52
M
87.05
87.37
85.74
83.83
81.03
79.16
80.03
79.48
80.43
82.42
1996
85.71
87.59
87.42
85.47
84.58
79.70
77.52
76.90
77.27
77.65
79.40
83.35
1997
84.84
88.04
89.48
88.30
88.77
88.37
88.81
88.77
86.63
87.52
87.70
88.19
1998
87.77
88.86
88.48
89.87
88.97
86.83
83.77
81.05
80.41
80.40
80.89
82.94
1999
85.78
84.81
85.72
85.87
83.13
79.96
76.75
76.67
77.18
80.78
80.87
83.35
2000
84.00
85.72
84.57
85.89
85.20
80.07
77.93
78.44
77.92
79.72
79.52
82.30
2001
85.18
86.64
86.30
87.41
84.00
77.92
76.63
76.58
75.79
76.04
80.59
81.82
2002
85.75
85.79
86.87
86.95
87.14
83.04
79.86
77.71
78.60
80.50
82.21
83.87
2003
86.37
86.05
88.07
87.47
85.66
79.61
77.90
79.06
76.79
79.16
80.93
83.73
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
85.96
M
M
M
M
M
M
M
M
M
M
2008
M
M
M
M
M
M
M
M
M
M
M
M
2009
M
M
M
M
M
M
M
M
M
M
M
M
2010
M
M
M
M
M
M
M
75.20
M
M
73.40
82.11
2011
84.76
M
M
77.00
75.20
75.20
M
77.72
77.78
77.99
79.82
83.33
2012
85.48
86.00
88.21
87.74
86.64
84.62
82.40
78.10
78.26
78.56
79.94
83.68
2013
85.77
85.94
86.68
85.94
81.88
79.04
77.00
77.17
77.78
77.93
80.00
82.40
2014
84.49
85.94
86.58
86.66
85.54
85.40
82.28
79.61
78.98
79.55
81.38
83.97
2015
85.42
86.64
85.77
86.96
88.09
86.48
84.90
81.74
82.82
83.15
84.86
87.57
2016
87.28
87.55
87.45
87.74
86.93
84.56
82.46
80.14
80.72
79.64
79.94
84.49
2017
86.17
87.22
86.35
87.02
86.29
82.52
79.15
79.15
78.50
78.97
77.12
81.99
2018
84.61
86.26
86.23
85.58
82.40
79.22
76.71
76.34
76.70
77.87
80.12
82.81
2019
85.65
85.61
86.52
87.50
86.46
83.30
78.80
76.65
76.76
78.22
80.72
82.57
2020
87.10
87.30
86.29
88.16
85.50
82.76
79.95
77.87
79.04
79.98
80.42
82.34
2021
86.00
88.06
86.87
86.12
81.70
79.94
79.55
78.10
77.90
78.16
77.90
81.35
2022
84.84
85.55
86.75
84.74
82.05
78.08
76.30
78.05
76.10
76.71
76.64
81.99
2023
85.48
87.16
86.17
86.12
87.63
86.96
86.41
85.13
84.32
83.91
83.72
85.59
2024
87.16
87.12
88.96
89.06
85.71
82.34
80.95
78.63
77.60
78.45
80.06
84.43
2025
86.23
86.40
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
1974
M
M
74.53
75.60
73.71
71.90
68.65
67.52
67.67
68.71
69.97
73.57
1975
73.14
74.18
75.03
74.20
73.21
71.57
67.52
67.94
68.33
68.90
69.07
70.90
1976
72.61
73.03
73.23
73.20
73.16
72.33
71.00
71.61
70.23
70.23
71.77
73.70
1977
74.52
74.11
75.35
75.00
73.39
71.77
69.67
68.90
68.60
69.84
70.63
73.90
1978
74.97
76.75
75.28
75.40
74.06
70.83
68.26
66.16
67.57
67.58
71.43
72.81
1979
73.83
74.61
75.61
74.37
73.45
71.33
68.52
68.90
70.20
70.80
69.93
71.84
1980
75.07
74.90
75.97
74.93
75.00
73.13
70.45
68.35
69.60
71.00
70.10
72.35
1981
74.10
M
76.60
74.17
72.58
69.97
68.52
67.45
68.57
69.23
70.40
72.42
1982
74.10
75.21
75.29
73.43
73.16
71.13
70.23
68.23
70.30
72.94
75.83
76.13
1983
76.19
75.68
75.97
75.17
75.23
74.52
73.10
70.87
70.73
70.87
71.23
71.74
1984
72.29
72.24
72.90
73.03
71.58
71.33
68.19
67.87
68.80
70.65
69.93
73.55
1985
73.90
74.54
73.55
74.17
70.58
70.53
66.90
67.71
68.37
68.84
69.47
72.50
1986
74.21
74.37
75.04
74.65
73.03
68.17
68.70
68.42
69.24
70.45
71.67
72.53
1987
74.61
75.57
76.13
75.80
73.87
72.03
70.81
70.74
70.27
71.58
72.04
74.26
1988
75.16
75.21
74.67
75.07
75.47
70.65
69.37
68.39
69.69
70.55
70.43
72.21
1989
73.50
73.67
74.44
73.45
71.48
70.31
68.71
67.27
68.61
70.28
71.86
73.23
1990
75.21
75.80
76.71
76.59
75.30
73.39
69.92
67.83
68.81
70.79
70.92
M
1991
74.58
75.77
75.90
75.00
76.00
71.62
70.06
70.00
68.82
71.08
72.61
74.80
1992
75.52
76.07
76.55
76.92
75.65
72.87
70.24
69.78
70.19
M
M
72.61
1993
74.76
74.14
75.19
73.60
74.35
73.41
71.70
69.27
70.57
71.19
71.46
74.07
1994
74.79
75.21
74.72
74.96
73.86
71.55
68.43
67.38
68.43
71.29
72.77
74.68
1995
75.70
M
74.81
75.80
74.74
73.23
71.70
69.90
70.03
70.29
71.23
72.23
1996
74.45
75.28
75.39
74.83
73.97
70.20
67.26
67.90
69.17
68.71
69.73
72.97
1997
74.52
76.43
77.26
75.37
76.45
75.73
75.19
75.58
75.77
76.45
75.77
76.68
1998
76.87
76.82
76.65
76.47
75.52
73.66
72.62
71.45
70.88
71.80
72.11
71.44
1999
74.50
74.38
74.39
73.91
72.09
70.88
68.88
67.33
69.59
71.28
70.83
73.35
2000
73.20
73.44
73.10
73.86
73.50
70.90
69.45
69.48
70.35
70.48
70.33
73.56
2001
74.79
74.64
76.15
75.68
75.83
70.04
69.81
69.48
69.36
69.40
71.96
72.64
2002
75.25
75.54
74.37
75.77
75.21
73.54
71.46
70.67
70.16
72.19
73.00
73.61
2003
75.48
75.81
76.40
75.85
74.97
72.07
70.43
69.89
69.27
71.51
72.17
73.05
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
76.64
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
75.20
M
M
69.80
71.72
2011
75.31
M
M
75.20
75.20
75.20
M
69.62
69.56
69.51
71.36
73.40
2012
73.57
72.28
74.91
75.44
74.79
73.46
72.35
69.86
69.14
69.97
71.30
73.17
2013
75.03
74.81
75.72
74.30
73.05
71.36
68.41
68.58
68.96
70.15
70.58
73.17
2014
74.79
75.20
76.07
76.46
75.49
74.48
72.88
70.38
70.88
70.38
71.90
73.98
2015
75.55
75.91
74.39
75.92
76.01
73.82
73.28
72.20
72.62
74.45
75.14
75.95
2016
77.35
76.69
77.29
75.74
74.79
72.74
72.30
70.96
71.78
71.24
70.46
74.10
2017
75.49
75.33
75.55
75.32
74.39
72.10
69.28
68.93
70.22
70.96
69.08
73.46
2018
73.81
74.69
75.26
75.44
73.86
70.04
69.05
68.54
68.18
70.09
71.24
73.46
2019
75.03
74.88
75.49
74.90
74.68
72.56
69.74
67.42
68.60
70.44
72.92
73.40
2020
76.19
75.88
78.28
82.34
82.46
78.73
72.75
70.55
74.84
75.75
75.14
77.17
2021
78.97
80.77
79.67
78.02
75.84
75.20
73.46
72.70
72.62
73.17
71.66
74.50
2022
75.78
77.19
78.57
75.50
74.74
71.90
70.38
70.85
69.92
68.70
69.56
74.33
2023
77.29
78.16
77.00
78.08
78.39
77.36
76.88
76.19
75.98
76.07
76.10
77.58
2024
77.87
79.11
79.67
79.28
77.00
74.24
72.94
71.31
70.52
71.54
71.24
75.72
2025
77.46
78.60
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
1974
M
M
80.56
80.98
79.15
76.05
73.60
72.32
72.18
73.24
74.72
78.12
1975
79.07
79.64
80.61
80.12
78.61
76.38
72.84
71.92
72.87
73.45
74.13
75.87
1976
78.47
79.33
79.98
79.90
79.89
78.73
77.45
77.13
75.45
75.23
77.52
79.55
1977
79.66
80.17
81.35
80.90
79.27
77.28
74.73
73.50
73.32
74.71
75.92
79.44
1978
81.00
82.27
81.47
81.08
79.82
75.98
73.60
72.31
73.13
73.34
76.95
78.90
1979
80.09
81.02
81.45
80.83
79.53
77.13
73.39
74.06
75.02
75.92
75.70
77.71
1980
80.87
81.52
82.45
81.53
80.79
78.23
74.85
73.31
74.45
75.56
75.52
78.15
1981
79.69
M
82.10
80.93
77.69
75.25
73.73
72.45
74.05
74.18
75.73
78.48
1982
80.26
81.68
81.34
79.60
78.45
76.25
75.66
73.74
75.45
78.60
81.55
82.23
1983
81.52
81.88
82.23
81.74
81.21
81.10
80.32
78.60
77.30
76.56
77.23
78.15
1984
79.13
78.44
79.31
79.97
78.15
76.38
73.55
73.42
73.85
74.77
75.38
78.79
1985
78.79
80.40
79.77
79.37
75.79
75.43
71.69
71.95
72.55
73.69
74.72
77.27
1986
79.34
80.30
80.93
80.33
77.71
73.14
73.47
72.55
74.17
75.29
76.67
77.55
1987
81.05
81.11
81.63
81.87
80.11
78.03
75.85
75.71
74.98
76.40
77.27
79.35
1988
80.44
81.28
80.77
80.82
80.85
75.96
74.13
72.63
74.29
74.71
74.97
77.34
1989
79.67
78.91
80.24
79.84
77.44
74.48
73.56
71.22
71.77
73.71
75.86
77.61
1990
79.68
80.58
81.21
81.17
79.76
77.43
74.10
71.47
72.21
73.82
74.33
M
1991
79.52
81.68
82.31
81.50
81.13
76.22
74.79
74.39
72.96
75.46
77.11
79.56
1992
80.27
81.13
81.45
82.36
81.33
78.11
75.83
74.04
74.28
M
M
77.41
1993
79.33
80.10
81.02
79.85
80.08
78.50
76.67
74.40
74.75
75.54
75.93
78.55
1994
79.93
80.15
79.88
80.08
79.38
76.45
72.84
70.96
72.63
76.29
77.45
79.89
1995
81.61
M
80.93
81.58
80.24
78.53
76.37
74.53
75.03
74.89
75.83
77.32
1996
80.08
81.43
81.40
80.15
79.27
74.95
72.39
72.40
73.22
73.18
74.57
78.16
1997
79.68
82.23
83.37
81.83
82.61
82.05
82.00
82.18
81.20
81.98
81.73
82.44
1998
82.32
82.84
82.56
83.17
82.24
80.24
78.19
76.25
75.65
76.10
76.50
77.19
1999
80.14
79.59
80.06
79.89
77.61
75.42
72.81
72.00
73.39
76.03
75.85
78.35
2000
78.60
79.58
78.83
79.88
79.35
75.48
73.69
73.96
74.13
75.10
74.93
77.93
2001
79.98
80.64
81.22
81.55
79.92
73.98
73.22
73.03
72.57
72.72
76.28
77.23
2002
80.50
80.66
80.62
81.36
81.17
78.29
75.66
74.19
74.38
76.34
77.61
78.74
2003
80.93
80.93
82.23
81.66
80.31
75.84
74.17
74.48
73.03
75.34
76.55
78.39
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
81.30
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
75.20
M
M
71.60
76.91
2011
80.04
M
M
76.10
75.20
75.20
M
73.67
73.67
73.74
75.59
78.36
2012
79.53
79.14
81.56
81.59
80.72
79.04
77.38
73.98
73.70
74.27
75.62
78.42
2013
80.40
80.37
81.16
80.10
77.46
75.20
72.70
72.88
73.37
74.04
75.29
77.78
2014
79.64
80.57
81.33
81.56
80.51
79.94
77.58
75.00
74.93
74.97
76.64
78.97
2015
80.48
81.27
80.08
81.44
82.05
80.15
79.09
76.97
77.72
78.80
80.00
81.76
2016
82.31
82.12
82.37
81.74
80.86
78.65
77.38
75.55
76.25
75.44
75.20
79.29
2017
80.83
81.27
80.95
81.17
80.34
77.31
74.21
74.04
74.36
74.97
73.10
77.73
2018
79.21
80.47
80.75
80.51
78.13
74.63
72.88
72.44
72.44
73.98
75.68
78.13
2019
80.34
80.25
81.01
81.20
80.57
77.93
74.27
72.04
72.68
74.33
76.82
77.99
2020
81.65
81.59
82.28
85.25
83.98
80.74
76.35
74.21
76.94
77.87
77.78
79.76
2021
82.49
84.41
83.27
82.07
78.77
77.57
76.51
75.40
75.26
75.66
74.78
77.93
2022
80.31
81.37
82.66
80.12
78.39
74.99
73.34
74.45
73.01
72.70
73.10
78.16
2023
81.38
82.66
81.59
82.10
83.01
82.16
81.65
80.66
80.15
79.99
79.91
81.59
2024
82.52
83.11
84.32
84.17
81.35
78.29
76.94
74.97
74.06
75.00
75.65
80.08
2025
81.85
82.50
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.