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
M
M
M
M
M
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
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
M
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
M
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
M
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
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
0.08
0.00
0.04
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
1973
M
M
M
M
M
8.3
4.5
8.6
4.7
10.5
7.0
7.0
1974
12.2
3.8
8.3
4.3
4.3
4.2
8.7
M
6.2
6.1
8.0
10.3
1975
5.0
7.3
M
M
M
M
M
M
M
M
M
M
1976
M
18.2
M
M
M
M
M
M
8.2
M
M
M
1977
M
M
M
M
M
M
M
M
M
8.7
7.0
9.0
1978
M
1.2
0.3
M
0.0
M
M
1.0
M
6.4
0.0
3.6
1979
M
9.1
6.2
11.1
M
M
4.3
M
4.4
0.0
0.7
8.9
1980
M
M
M
M
12.2
4.8
4.0
3.8
0.0
4.5
3.8
5.1
1981
4.8
0.7
1.8
2.5
1.4
3.7
4.1
0.0
2.3
13.2
7.3
M
1982
2.7
1.8
1.2
M
M
M
M
M
0.0
6.4
7.8
1.6
1983
M
M
M
3.1
M
7.7
M
15.4
M
M
8.8
M
1984
M
M
M
M
M
M
M
M
M
M
M
M
1985
M
M
M
M
M
M
M
M
M
3.8
M
2.5
1986
M
3.1
M
M
M
2.1
7.0
2.6
1.0
5.9
3.0
M
1987
M
M
M
M
M
3.1
M
7.3
M
M
M
M
1988
M
M
M
M
M
M
M
M
M
M
M
M
1989
M
M
M
M
M
M
M
M
M
M
M
M
1990
M
M
M
M
M
M
M
M
4.3
3.6
2.8
3.8
1991
4.5
3.4
4.4
2.9
2.8
4.3
3.3
2.9
3.8
5.0
2.0
4.9
1992
2.5
M
3.5
3.0
3.7
2.2
4.0
3.4
3.6
5.0
4.2
3.8
1993
2.3
2.8
2.1
2.7
3.1
3.7
5.1
3.9
5.6
4.8
5.2
4.4
1994
4.7
3.4
2.0
1.2
2.0
2.2
2.8
2.4
2.9
3.0
3.4
3.6
1995
4.5
2.9
2.6
3.5
3.3
3.1
3.0
3.6
4.6
4.6
3.4
5.0
1996
4.4
3.5
2.2
2.8
2.1
4.1
1.9
3.5
4.9
3.3
2.4
4.1
1997
4.2
2.4
1.6
2.8
2.4
4.5
2.1
3.2
3.9
4.4
3.4
4.1
1998
3.5
3.8
2.4
3.4
3.1
2.5
1.2
2.2
4.4
2.2
2.6
3.5
1999
2.1
2.1
3.0
1.6
2.3
2.2
2.4
2.7
4.6
4.2
3.2
3.2
2000
5.1
5.1
3.4
2.5
2.7
2.8
4.2
3.2
5.5
3.8
4.6
4.1
2001
4.5
3.7
3.7
2.5
3.5
4.2
3.8
3.9
5.7
4.3
5.1
3.7
2002
5.1
2.9
3.4
2.6
3.1
3.2
3.9
4.2
4.0
5.5
5.1
4.7
2003
5.0
3.9
3.5
3.5
2.4
1.9
3.3
4.9
3.5
3.4
4.6
4.4
2004
3.9
4.3
2.6
3.1
3.9
1.8
3.0
2.2
4.3
3.9
3.9
3.5
2005
4.2
3.7
3.7
2.6
2.5
2.4
3.4
4.2
4.9
4.2
3.0
4.0
2006
2.6
3.8
3.5
2.2
3.8
1.9
2.8
3.5
4.7
3.3
2.9
4.7
2007
4.4
3.6
2.2
2.2
3.5
2.3
3.8
4.0
2.8
3.9
3.7
3.5
2008
3.7
4.3
2.9
4.0
4.3
2.7
2.0
3.3
3.6
3.8
3.5
3.2
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
4.2
4.6
5.5
3.7
3.4
2012
4.5
3.1
3.2
3.1
2.6
3.3
3.0
2.7
4.4
4.4
4.2
5.0
2013
4.4
3.7
4.3
3.2
2.8
1.5
3.4
5.0
5.7
3.3
4.1
4.9
2014
3.6
3.5
3.5
3.9
3.3
4.3
3.5
3.8
5.1
3.4
5.4
5.8
2015
4.0
4.1
3.5
3.5
3.6
3.9
4.7
4.0
5.9
5.8
5.0
4.6
2016
4.8
3.1
3.6
4.1
3.7
4.2
3.7
4.8
4.8
4.5
4.6
4.7
2017
4.5
4.6
3.3
4.1
3.1
3.0
3.4
4.4
2.9
5.3
4.4
3.4
2018
3.2
3.2
3.7
2.3
2.6
3.3
2.9
3.4
3.1
2.5
2.4
3.1
2019
2.5
2.9
2.9
2.2
3.0
2.6
3.0
4.1
3.9
4.1
3.1
3.2
2020
3.9
4.0
2.5
M
M
M
M
M
2.2
4.2
3.5
4.1
2021
3.5
2.6
2.4
3.1
4.1
3.8
3.5
3.2
4.2
4.1
3.8
3.3
2022
4.2
3.0
3.2
3.6
3.6
2.0
1.6
4.8
4.5
3.8
5.3
4.9
2023
5.0
2.9
3.8
2.1
2.3
2.6
3.0
3.4
5.0
6.2
5.2
4.0
2024
3.1
2.5
3.7
3.5
4.7
1.9
3.2
3.1
3.6
4.1
4.6
3.5
2025
4.2
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
M
M
M
M
M
81.62
82.64
86.87
92.33
92.39
87.65
87.36
1974
85.10
83.67
88.05
86.20
89.22
84.90
83.67
93.67
92.13
88.75
89.65
83.09
1975
87.17
86.36
90.00
83.67
91.00
87.00
84.67
90.73
91.82
91.00
88.76
86.92
1976
88.87
86.09
86.14
88.00
88.31
82.57
90.55
90.29
88.59
92.11
84.75
88.19
1977
83.88
85.00
90.93
90.75
85.48
86.19
89.22
89.72
91.63
88.97
88.41
87.12
1978
87.65
88.61
89.71
87.83
87.07
88.36
91.50
88.89
91.11
89.86
90.19
85.87
1979
85.83
87.61
87.69
87.80
87.67
86.28
88.81
93.14
90.32
92.25
89.11
88.12
1980
87.00
M
89.50
88.50
86.62
85.96
86.26
89.52
91.32
88.70
89.50
87.74
1981
86.60
85.60
89.04
89.48
89.50
83.70
87.21
90.93
88.00
91.43
91.40
87.88
1982
87.04
86.70
84.46
86.44
85.04
84.26
88.30
88.55
89.88
90.62
88.20
88.75
1983
87.75
88.25
86.76
87.74
85.34
76.78
84.16
88.86
87.25
91.50
82.86
86.00
1984
85.47
87.10
88.20
84.50
89.25
91.75
86.40
94.67
93.50
90.80
88.00
90.00
1985
84.33
M
83.00
87.00
87.00
84.73
85.25
88.58
83.86
88.85
89.00
87.75
1986
85.78
86.39
85.15
89.00
M
89.30
84.47
89.39
87.79
90.82
89.78
86.89
1987
86.62
85.80
85.86
87.25
84.56
87.18
91.12
87.71
91.38
92.04
88.31
87.23
1988
88.27
85.85
86.12
86.53
82.00
84.50
83.89
93.44
93.10
91.43
90.53
85.44
1989
85.73
86.12
87.18
86.89
86.75
87.00
82.47
90.67
91.50
90.40
88.08
87.20
1990
87.50
85.11
89.91
88.00
85.82
83.33
83.06
91.07
87.04
90.23
88.39
87.90
1991
86.86
88.30
88.11
89.00
88.14
85.87
86.74
91.55
90.10
90.93
88.77
88.24
1992
90.12
M
87.67
87.76
87.73
88.33
81.31
86.14
87.03
89.55
87.07
88.90
1993
87.24
87.50
87.29
88.21
86.00
87.50
88.11
86.37
89.97
90.96
89.08
88.62
1994
87.39
86.70
89.52
88.46
88.52
87.33
87.50
92.26
91.40
90.71
91.20
89.03
1995
88.23
87.75
89.16
87.57
86.26
86.37
91.00
90.10
92.80
91.80
87.83
87.00
1996
85.17
87.89
86.81
87.96
87.65
82.63
89.50
91.71
88.93
90.08
87.73
88.45
1997
86.26
86.50
85.65
86.70
86.52
85.57
89.16
87.10
93.60
92.61
89.37
89.33
1998
89.17
89.33
88.35
88.77
85.03
85.40
90.87
89.53
88.53
89.55
86.77
86.90
1999
86.00
86.71
86.58
87.10
87.60
85.67
87.00
90.97
92.13
90.18
87.17
87.10
2000
87.45
87.45
86.32
88.43
87.13
85.57
82.29
90.32
89.55
91.97
87.76
89.42
2001
86.68
87.29
87.17
88.83
84.13
84.33
85.95
93.55
92.24
91.94
88.19
87.55
2002
88.87
86.79
89.45
89.37
88.67
85.36
88.84
91.74
91.73
93.93
91.77
89.29
2003
89.44
89.23
88.19
89.39
89.42
88.78
89.88
89.02
91.20
91.88
91.83
91.54
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
87.64
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
84.20
M
M
M
M
M
M
80.60
M
2010
78.80
M
M
M
86.00
M
M
97.70
M
M
75.20
89.25
2011
85.61
M
M
80.60
M
76.10
M
92.12
94.76
93.78
90.38
87.16
2012
86.87
85.13
88.26
87.56
87.63
85.82
86.93
90.82
95.72
92.79
88.36
88.26
2013
88.21
87.09
88.09
88.10
85.42
87.86
86.71
88.15
91.58
88.96
87.62
87.68
2014
85.13
85.23
85.83
87.80
84.95
85.10
85.77
92.39
95.12
92.91
88.25
87.22
2015
87.34
86.19
86.93
88.28
85.36
87.50
86.99
94.71
95.96
93.14
91.58
91.34
2016
89.95
88.36
87.86
89.42
86.46
85.10
92.21
92.74
89.84
91.98
87.88
88.79
2017
87.57
86.90
88.32
87.32
87.16
87.80
90.65
93.08
92.84
93.14
90.62
86.75
2018
87.28
86.13
86.99
87.98
87.10
82.16
88.32
87.05
92.96
90.82
87.14
86.23
2019
87.51
87.03
88.15
88.22
87.16
89.06
87.68
91.05
95.84
91.64
88.76
88.79
2020
88.46
87.68
91.15
M
86.90
88.70
80.60
93.20
93.45
94.80
93.68
87.97
2021
86.62
86.15
86.99
86.93
85.07
83.96
89.08
93.20
95.48
93.32
86.96
87.49
2022
90.20
86.70
86.58
89.15
83.79
85.46
89.60
89.60
92.45
89.96
92.22
87.17
2023
87.72
87.25
86.65
87.08
86.70
84.63
91.73
96.39
96.46
97.40
92.51
90.62
2024
88.83
88.31
91.67
90.83
85.85
92.55
89.82
92.75
97.31
95.47
88.66
88.90
2025
86.00
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
M
M
M
M
M
68.38
67.43
72.27
73.92
76.89
76.17
75.96
1974
75.81
75.27
76.95
74.67
77.00
72.25
68.40
69.33
71.39
66.88
75.06
73.73
1975
74.00
74.23
77.00
72.00
72.00
72.33
61.50
67.27
74.41
75.46
76.19
75.88
1976
76.67
75.48
75.59
75.00
73.85
67.24
67.14
69.71
71.05
75.89
72.00
77.00
1977
75.62
74.67
76.79
78.75
71.00
70.19
70.48
70.12
72.74
74.93
75.89
75.62
1978
76.57
77.00
77.25
74.96
71.30
68.14
73.30
64.57
71.14
75.17
75.89
75.07
1979
75.53
75.93
75.62
74.84
74.19
64.52
65.95
75.00
72.24
75.61
76.17
76.08
1980
75.00
M
78.12
75.82
74.00
68.79
65.79
69.30
70.64
75.00
75.60
76.44
1981
75.30
75.48
76.25
75.72
74.32
67.70
64.59
69.00
68.81
76.54
77.20
77.81
1982
77.26
76.57
76.75
76.36
73.48
71.59
70.96
70.82
74.84
77.12
77.32
77.00
1983
77.38
78.25
77.08
78.07
75.00
65.56
68.00
70.07
69.25
76.33
73.14
76.50
1984
76.07
74.80
78.80
76.50
74.75
71.75
66.70
74.67
75.17
78.70
79.00
81.00
1985
81.33
M
77.00
80.00
76.00
66.45
68.50
67.58
66.71
75.08
77.73
77.40
1986
76.67
76.44
76.69
77.00
M
73.90
67.06
72.74
72.57
75.06
76.78
76.89
1987
76.38
73.00
73.29
75.38
70.17
69.73
72.12
66.89
71.17
77.42
78.06
77.31
1988
76.55
75.95
77.38
75.63
71.20
67.95
62.53
69.06
73.95
75.86
76.93
75.81
1989
76.07
75.18
75.45
74.11
71.00
70.95
62.88
69.83
70.33
75.87
76.42
76.33
1990
75.40
75.33
76.57
74.62
70.64
67.06
62.12
68.79
68.22
74.09
73.79
73.93
1991
75.14
74.09
74.39
73.34
72.07
66.90
62.58
64.03
70.45
72.20
73.27
74.76
1992
75.50
M
73.71
72.92
72.37
70.46
62.21
66.18
69.40
72.16
71.86
74.03
1993
71.86
73.19
72.54
73.14
70.19
67.29
63.46
63.93
66.40
73.37
73.80
74.03
1994
73.61
73.33
72.42
73.14
71.23
67.10
63.13
67.11
70.37
73.35
73.87
74.90
1995
74.48
73.96
73.81
71.04
67.90
66.43
66.10
66.16
70.20
73.30
73.23
73.60
1996
73.57
73.64
74.35
72.86
70.68
62.37
62.07
69.77
68.75
72.48
73.13
73.45
1997
73.97
73.32
74.06
73.73
71.19
70.21
65.84
66.77
73.57
74.03
73.63
75.37
1998
75.52
74.44
74.97
72.63
67.77
65.43
65.68
69.53
68.80
72.52
72.60
72.87
1999
73.40
74.21
73.68
70.90
70.57
65.50
62.55
62.13
71.37
72.53
70.90
73.06
2000
73.77
73.66
73.26
73.70
69.16
66.90
60.94
68.42
69.31
73.90
73.34
74.48
2001
74.26
74.54
74.43
73.70
70.23
65.90
67.31
68.71
72.17
74.10
74.59
74.23
2002
74.00
74.39
75.29
74.37
72.27
66.46
66.29
69.52
69.37
72.57
73.10
74.29
2003
72.97
73.54
73.81
71.83
70.79
68.54
63.36
64.33
68.19
71.82
72.49
74.22
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
74.83
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
84.20
M
M
M
M
M
M
80.60
M
2010
78.80
M
M
M
86.00
M
M
97.70
M
M
75.20
73.46
2011
73.91
M
M
78.80
M
76.10
M
67.82
71.78
73.34
73.70
74.15
2012
74.21
73.03
73.40
73.52
71.14
67.22
63.94
66.03
71.12
73.75
74.08
74.62
2013
74.39
74.17
74.04
72.14
69.86
70.58
65.69
63.59
69.56
72.30
73.76
74.50
2014
72.59
73.85
75.08
74.66
72.06
70.10
65.74
68.00
74.00
73.92
73.98
73.57
2015
74.10
74.49
74.97
74.48
73.11
69.50
66.90
70.90
73.64
74.04
74.24
74.85
2016
74.50
74.33
73.92
74.00
69.68
64.70
64.57
67.07
67.52
72.88
72.57
74.45
2017
74.15
73.79
73.11
73.04
72.65
66.32
62.60
69.45
70.82
72.14
74.48
74.04
2018
74.33
74.69
74.39
74.66
71.37
63.92
63.24
64.86
69.92
74.50
74.54
73.98
2019
74.68
74.81
75.32
74.42
69.63
69.56
64.86
64.57
72.38
72.86
74.48
75.26
2020
75.62
74.83
75.94
M
86.90
88.25
75.20
86.90
73.07
76.67
74.66
74.62
2021
74.37
74.67
73.98
74.21
70.20
65.96
62.08
65.18
72.74
73.23
73.52
75.39
2022
76.07
75.98
76.57
75.74
69.31
66.74
70.40
70.08
72.80
76.71
77.74
75.65
2023
76.77
76.45
76.93
77.50
74.81
67.83
69.23
73.81
77.69
81.27
79.31
79.35
2024
77.86
77.43
78.44
78.15
69.73
72.50
63.57
69.62
75.97
78.88
76.91
77.55
2025
76.34
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
M
M
M
M
M
75.00
75.04
79.57
83.12
84.64
81.91
81.66
1974
80.45
79.47
82.50
80.43
83.11
78.58
76.03
81.50
81.76
77.81
82.35
78.41
1975
80.59
80.30
83.50
77.83
81.50
79.67
73.08
79.00
83.12
83.23
82.48
81.40
1976
82.77
80.78
80.86
81.50
81.08
74.90
78.84
80.00
79.82
84.00
78.38
82.60
1977
79.75
79.83
83.86
84.75
78.24
78.19
79.85
79.92
82.19
81.95
82.15
81.37
1978
82.11
82.80
83.48
81.39
79.19
78.25
82.40
76.73
81.12
82.52
83.04
80.47
1979
80.68
81.77
81.65
81.32
80.93
75.40
77.38
84.07
81.28
83.93
82.64
82.10
1980
81.00
M
83.81
82.16
80.31
77.38
76.03
79.41
80.98
81.85
82.55
82.09
1981
80.95
80.54
82.64
82.60
81.91
75.70
75.90
79.96
78.41
83.98
84.30
82.84
1982
82.15
81.63
80.60
81.40
79.26
77.93
79.63
79.68
82.36
83.88
82.76
82.88
1983
82.56
83.25
81.92
82.91
80.17
71.17
76.08
79.46
78.25
83.92
78.00
81.25
1984
80.77
80.95
83.50
80.50
82.00
81.75
76.55
84.67
84.33
84.75
83.50
85.50
1985
82.83
M
80.00
83.50
81.50
75.59
76.88
78.08
75.29
81.96
83.36
82.58
1986
81.22
81.42
80.92
83.00
M
81.60
75.76
81.07
80.18
82.94
83.28
81.89
1987
81.50
79.40
79.57
81.31
77.36
78.45
81.62
77.30
81.27
84.73
83.19
82.27
1988
82.41
80.90
81.75
81.08
76.60
76.23
73.21
81.25
83.52
83.64
83.73
80.62
1989
80.90
80.65
81.32
80.50
78.88
78.97
72.68
80.25
80.92
83.13
82.25
81.77
1990
81.45
80.22
83.24
81.31
78.23
75.19
72.59
79.93
77.63
82.16
81.09
80.92
1991
81.00
81.20
81.25
81.17
80.10
76.38
74.66
77.79
80.28
81.57
81.02
81.50
1992
82.81
M
80.69
80.34
80.05
79.40
71.76
76.16
78.22
80.85
79.47
81.47
1993
79.55
80.35
79.91
80.67
78.10
77.39
75.79
75.15
78.18
82.17
81.44
81.33
1994
80.50
80.02
80.97
80.80
79.87
77.22
75.32
79.69
80.88
82.03
82.53
81.97
1995
81.35
80.86
81.48
79.30
77.08
76.40
78.55
78.13
81.50
82.55
80.53
80.30
1996
79.37
80.77
80.58
80.41
79.16
72.50
75.78
80.74
78.84
81.28
80.43
80.95
1997
80.11
79.91
79.85
80.22
78.85
77.89
77.50
76.94
83.58
83.32
81.50
82.35
1998
82.34
81.89
81.66
80.70
76.40
75.42
78.27
79.53
78.67
81.03
79.68
79.89
1999
79.70
80.46
80.13
79.00
79.08
75.58
74.77
76.55
81.75
81.35
79.03
80.08
2000
80.61
80.55
79.79
81.07
78.15
76.23
71.61
79.37
79.43
82.94
80.55
81.95
2001
80.47
80.91
80.80
81.27
77.18
75.12
76.63
81.13
82.21
83.02
81.39
80.89
2002
81.44
80.59
82.37
81.87
80.47
75.91
77.56
80.63
80.55
83.25
82.43
81.79
2003
81.21
81.39
81.00
80.61
80.11
78.66
76.62
76.67
79.70
81.85
82.16
82.88
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
81.24
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
84.20
M
M
M
M
M
M
80.60
M
2010
78.80
M
M
M
86.00
M
M
97.70
M
M
75.20
81.35
2011
79.76
M
M
79.70
M
76.10
M
79.97
83.27
83.56
82.04
80.66
2012
80.54
79.08
80.83
80.54
79.38
76.52
75.43
78.42
83.42
83.27
81.22
81.44
2013
81.30
80.63
81.06
80.12
77.64
79.22
76.20
75.87
80.57
80.63
80.69
81.09
2014
78.86
79.54
80.45
81.23
78.51
77.60
75.75
80.19
84.56
83.42
81.11
80.40
2015
80.72
80.34
80.95
81.38
79.24
78.50
76.94
82.81
84.80
83.59
82.91
83.10
2016
82.23
81.34
80.89
81.71
78.07
74.90
78.39
79.90
78.68
82.43
80.23
81.62
2017
80.86
80.34
80.72
80.18
79.90
77.06
76.62
81.27
81.83
82.64
82.55
80.40
2018
80.80
80.41
80.69
81.32
79.24
73.04
75.78
75.95
81.44
82.66
80.84
80.11
2019
81.09
80.92
81.73
81.32
78.39
79.31
76.27
77.81
84.11
82.25
81.62
82.02
2020
82.04
81.25
83.55
M
86.90
88.48
77.90
90.05
83.26
85.73
84.17
81.30
2021
80.50
80.41
80.48
80.57
77.63
74.96
75.58
79.19
84.11
83.27
80.24
81.44
2022
83.13
81.34
81.57
82.45
76.55
76.10
80.00
79.84
82.62
83.34
84.98
81.41
2023
82.24
81.85
81.79
82.29
80.76
76.23
80.48
85.10
87.07
89.34
85.91
84.98
2024
83.34
82.87
85.05
84.49
77.79
82.52
76.70
81.18
86.64
87.17
82.79
83.22
2025
81.17
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.