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
1977
M
M
M
M
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
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
0.00
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
1977
M
M
M
M
1.5
2.2
3.5
3.3
2.7
2.1
2.8
2.0
1978
2.4
2.2
2.7
1.3
2.6
3.1
2.8
3.9
3.2
3.3
2.6
2.2
1979
2.0
2.8
2.2
2.0
2.7
2.7
2.6
3.1
2.4
2.0
4.1
3.6
1980
4.1
4.1
3.1
2.3
2.0
2.2
2.2
2.5
2.7
2.1
2.0
1.9
1981
2.5
2.8
2.4
2.3
2.3
2.5
2.5
2.3
1.8
1.8
2.1
1.8
1982
2.1
2.2
2.0
1.3
1.5
2.8
2.5
2.6
2.6
3.8
2.3
1.7
1983
2.5
3.0
2.4
1.7
2.3
2.3
2.2
2.0
1.8
1.8
1.9
1.7
1984
1.6
1.8
1.8
2.0
1.3
2.3
2.0
2.0
1.7
1.9
2.0
1.5
1985
2.4
2.1
2.2
2.6
1.5
1.9
2.1
2.0
1.9
2.3
2.4
1.8
1986
1.5
1.9
2.3
2.0
1.5
1.6
2.5
2.8
2.1
1.9
2.4
1.9
1987
2.1
2.7
2.7
2.2
2.0
2.0
2.9
2.5
2.3
1.8
2.1
1.3
1988
1.6
2.0
2.7
2.0
0.9
1.8
1.9
2.0
1.7
2.0
1.8
1.6
1989
1.8
1.3
1.8
1.4
1.4
1.0
1.6
2.3
2.3
1.7
1.1
0.6
1990
2.1
1.6
1.3
1.6
0.9
1.2
0.7
1.3
1.2
2.0
1.6
1.6
1991
1.4
1.4
1.2
0.8
0.7
1.4
1.0
0.9
0.7
1.2
1.5
1.0
1992
0.8
1.7
2.1
2.8
2.7
3.1
2.5
2.2
2.4
2.0
2.1
1.8
1993
2.3
2.2
1.9
2.2
2.2
2.6
2.8
2.4
2.3
2.2
2.2
1.9
1994
1.4
1.3
1.8
1.9
1.5
1.8
2.4
2.2
2.4
2.5
2.4
2.4
1995
3.5
4.5
2.9
2.4
2.4
2.7
2.8
3.3
3.0
3.0
2.7
2.4
1996
2.7
2.2
2.9
2.4
2.1
3.4
3.0
2.5
3.3
4.0
5.6
5.3
1997
6.0
4.5
4.5
4.7
4.8
5.8
6.4
5.8
5.2
4.2
4.5
3.5
1998
4.5
5.2
5.2
4.6
4.1
4.1
3.1
3.2
3.0
3.2
2.9
3.6
1999
3.6
3.5
4.1
3.4
2.8
2.7
2.8
3.0
2.9
2.9
3.7
2.5
2000
2.9
2.6
2.6
2.9
2.2
2.0
3.1
3.3
3.6
3.0
3.0
2.2
2001
3.1
3.5
3.0
2.6
4.5
5.0
5.5
6.6
5.3
5.6
5.5
5.4
2002
5.9
4.1
3.3
3.0
2.7
2.8
3.6
3.6
3.8
4.3
3.1
3.2
2003
4.6
4.5
4.1
3.4
3.2
3.1
3.3
3.3
3.7
3.4
3.8
3.7
2004
3.2
3.6
2.8
2.3
3.2
3.6
3.4
2.9
2.7
3.3
3.1
3.0
2005
3.0
3.0
2.7
2.3
3.0
3.0
2.4
2.2
2.6
2.8
2.4
2.5
2006
2.2
2.3
2.1
2.0
1.9
2.3
2.0
2.1
2.1
2.1
2.3
2.7
2007
2.3
3.4
2.7
2.2
1.7
3.3
3.3
2.8
2.6
3.4
3.3
3.5
2008
3.0
2.9
3.8
3.1
2.7
2.6
3.2
3.0
3.0
3.4
2.8
2.8
2009
2.6
3.7
3.6
2.5
2.8
3.0
3.4
4.4
4.7
3.9
4.2
3.4
2010
4.1
4.0
4.0
3.5
3.1
3.3
3.5
3.1
3.1
3.5
2.9
2.6
2011
3.4
3.5
3.4
3.0
2.6
3.3
3.6
3.9
3.0
3.1
3.0
2.7
2012
3.6
4.0
4.1
3.6
3.8
4.0
3.9
3.8
3.8
4.1
3.7
4.1
2013
4.4
4.0
4.0
3.7
3.5
3.9
4.0
4.1
4.1
3.8
4.1
3.9
2014
4.6
4.1
5.1
3.8
3.9
4.1
3.9
3.7
4.4
3.8
4.1
3.6
2015
4.0
4.8
4.0
3.7
3.7
4.3
4.6
5.0
5.7
5.2
4.2
3.6
2016
5.3
4.8
4.8
4.3
3.7
3.7
4.1
3.9
3.3
4.3
4.1
3.6
2017
4.0
3.7
3.8
3.5
3.7
3.7
4.6
4.2
3.4
4.2
3.8
3.7
2018
3.9
4.4
4.4
3.8
3.4
4.1
4.1
4.1
4.2
4.5
4.1
4.0
2019
4.6
4.3
5.3
4.2
3.6
3.9
4.4
3.9
4.1
3.8
4.0
4.0
2020
4.2
4.8
4.7
3.6
3.7
3.7
3.9
4.4
3.9
3.7
3.8
3.9
2021
3.8
4.3
3.8
3.4
3.4
3.9
3.7
4.0
3.6
4.3
3.4
3.6
2022
4.5
3.7
3.5
3.4
3.9
3.9
4.4
4.6
3.7
4.3
4.6
4.3
2023
4.1
4.2
4.5
4.2
4.3
4.4
4.6
4.5
4.7
4.2
4.2
3.8
2024
5.0
5.2
4.7
4.1
4.0
4.3
5.0
5.0
5.4
4.3
4.2
3.8
2025
3.7
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
1977
M
M
M
M
83.46
85.20
89.03
92.14
89.26
87.84
89.80
87.25
1978
86.00
86.12
85.87
87.00
88.86
90.48
86.92
90.43
92.57
92.97
92.00
87.10
1979
86.90
89.36
89.00
89.20
90.90
91.43
94.55
92.90
94.33
92.97
92.53
89.39
1980
89.03
91.14
88.42
86.97
89.55
89.87
90.84
92.29
92.30
89.87
88.83
88.23
1981
85.74
85.75
88.32
89.03
89.06
89.97
89.03
90.71
89.00
91.19
90.17
89.87
1982
86.97
87.18
88.32
86.17
87.00
89.27
90.45
91.55
92.13
92.58
91.47
87.26
1983
93.35
92.39
90.52
89.53
92.48
89.67
91.68
89.94
92.57
89.48
90.77
88.13
1984
86.65
85.83
87.90
87.73
88.71
89.93
89.81
89.45
90.00
90.39
90.70
87.58
1985
87.68
87.79
88.74
90.40
87.42
87.80
88.61
90.61
92.43
91.39
90.20
87.35
1986
86.32
86.43
87.16
89.57
88.71
88.83
88.26
94.00
90.97
89.39
88.70
89.29
1987
85.77
87.39
89.23
88.70
89.87
89.40
92.94
92.81
94.57
93.94
90.90
89.74
1988
87.13
88.48
90.32
89.50
88.77
88.10
90.03
93.42
93.23
92.10
89.17
88.10
1989
87.35
84.96
87.39
87.83
87.06
88.57
87.90
93.48
92.90
90.84
90.60
90.48
1990
88.06
87.68
88.45
88.30
89.74
91.47
89.13
92.61
93.10
96.13
91.87
90.42
1991
87.84
88.96
87.94
89.80
89.29
90.70
91.29
92.19
94.27
93.74
95.00
91.26
1992
90.19
89.72
88.10
90.47
93.32
92.63
91.74
90.03
94.70
92.42
91.60
87.87
1993
88.03
87.71
88.32
88.63
91.26
92.20
90.87
91.29
92.93
90.42
90.07
89.32
1994
86.81
87.11
88.32
88.77
89.68
89.67
90.81
93.03
93.10
93.58
92.33
89.45
1995
88.65
90.43
90.03
88.90
90.35
90.70
93.26
95.61
94.53
93.71
90.03
89.45
1996
86.23
87.24
87.84
87.63
88.68
89.00
90.58
90.48
92.73
90.97
91.23
88.90
1997
87.97
87.14
87.58
89.00
88.90
91.87
93.87
93.13
97.20
96.16
92.27
91.10
1998
89.19
90.50
90.23
88.50
87.90
87.93
90.48
93.26
92.73
93.23
90.07
92.00
1999
87.71
87.25
87.94
87.27
86.48
89.10
90.94
91.55
91.17
91.16
90.93
88.58
2000
86.58
85.83
86.23
85.77
88.23
91.03
88.87
91.74
91.83
91.68
91.21
88.74
2001
84.48
86.61
87.68
87.70
87.19
83.87
87.10
93.45
91.90
93.48
93.00
87.55
2002
89.23
87.14
88.39
87.60
87.97
88.03
91.16
92.39
93.90
92.16
90.93
87.84
2003
90.34
89.06
88.30
88.19
88.72
89.75
90.19
91.26
91.79
91.49
90.67
90.17
2004
88.48
87.66
87.19
88.80
86.45
88.87
90.55
92.06
92.33
92.26
93.20
90.65
2005
91.87
88.04
87.81
88.17
89.55
91.00
90.48
94.00
93.37
94.03
90.80
86.84
2006
88.16
86.71
87.55
86.73
85.58
89.33
89.58
91.10
92.83
92.42
88.23
88.35
2007
M
86.71
M
M
M
M
M
M
M
M
M
M
2008
M
M
M
M
M
M
M
M
M
M
M
M
2009
82.83
83.25
84.82
84.20
M
M
M
M
M
M
80.60
M
2010
77.00
M
M
M
86.00
M
M
90.50
M
M
79.70
87.92
2011
84.20
M
M
80.60
76.10
76.10
77.18
84.04
91.34
90.41
89.54
89.14
2012
86.00
85.13
85.07
86.66
87.16
88.34
88.15
90.65
91.34
90.99
90.80
86.87
2013
87.10
85.49
86.00
86.84
87.16
89.00
87.45
88.79
90.62
91.23
87.02
89.08
2014
86.93
85.42
85.25
86.72
85.70
87.26
87.51
90.30
93.74
88.03
88.46
87.92
2015
86.00
88.12
86.58
87.32
86.58
88.58
90.59
94.07
97.28
95.29
92.78
91.23
2016
91.57
87.55
87.16
87.14
87.68
88.40
90.35
91.52
88.88
91.98
90.80
85.88
2017
86.29
84.97
85.94
85.76
89.37
88.28
88.38
92.91
89.78
89.48
89.48
85.42
2018
85.65
86.51
87.10
85.58
85.77
87.02
88.61
90.65
91.16
93.61
89.66
84.95
2019
85.71
84.59
87.80
86.54
86.00
87.86
88.90
90.35
91.76
87.80
88.82
86.75
2020
88.79
88.48
88.73
86.66
87.05
87.92
90.41
91.69
92.72
89.43
87.86
87.80
2021
85.25
85.49
85.36
86.84
86.81
86.84
86.75
89.60
89.66
90.12
87.26
85.77
2022
86.41
85.10
84.84
85.28
86.12
86.24
90.06
90.70
92.90
90.94
89.54
87.74
2023
84.55
84.65
85.94
86.90
88.26
87.74
90.88
93.55
94.94
94.65
92.12
87.45
2024
89.14
89.66
87.97
88.10
86.58
89.72
90.99
93.49
96.14
92.85
91.52
87.28
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
1977
M
M
M
M
73.08
73.72
73.39
74.48
73.67
73.71
74.67
74.68
1978
73.63
74.68
73.87
74.76
74.93
74.45
74.40
73.77
73.90
74.58
75.34
74.42
1979
74.48
74.39
74.23
73.73
73.19
73.57
73.32
73.68
73.93
74.00
75.30
74.84
1980
74.29
75.28
74.39
74.17
73.84
73.33
72.48
72.23
72.83
73.00
73.37
73.35
1981
72.90
73.00
74.06
73.47
74.26
73.40
71.35
72.10
72.07
72.81
73.77
73.71
1982
72.94
72.89
73.23
73.53
73.26
73.27
73.00
72.58
73.87
74.06
74.27
73.77
1983
75.29
76.00
75.52
74.73
74.55
73.27
73.58
72.68
73.10
73.03
74.47
72.61
1984
72.52
72.21
73.26
73.20
73.00
73.03
72.00
72.13
71.80
72.19
72.83
72.94
1985
73.39
73.32
73.29
73.43
72.81
72.27
72.06
71.71
72.47
72.90
72.57
72.61
1986
72.39
72.61
72.39
72.87
73.74
73.10
72.06
73.55
73.40
73.35
73.10
73.35
1987
73.45
73.82
73.94
74.10
74.16
73.43
73.65
73.58
73.73
74.55
74.20
73.97
1988
72.77
73.76
74.13
73.60
73.10
72.70
72.29
72.74
73.17
73.06
73.00
72.94
1989
72.45
71.93
72.26
72.60
72.58
72.47
71.52
71.84
72.43
72.06
72.63
73.52
1990
72.90
73.00
73.06
72.80
73.26
73.23
72.19
72.81
72.87
74.10
73.47
73.19
1991
73.35
72.93
74.00
73.03
73.35
74.23
72.81
72.00
73.57
73.23
74.03
74.74
1992
75.06
74.59
74.00
74.73
74.94
73.27
72.19
71.71
73.80
73.84
73.83
73.23
1993
73.00
73.18
71.48
73.10
74.35
73.53
72.81
72.32
73.33
73.03
73.57
73.74
1994
73.48
71.50
73.13
73.50
73.45
73.13
73.13
72.81
73.60
73.81
74.27
74.16
1995
74.00
74.00
73.94
74.40
73.87
74.50
74.03
74.42
74.67
74.35
74.23
73.81
1996
72.97
73.10
74.13
73.87
74.32
73.90
74.16
73.77
75.33
74.42
74.87
75.20
1997
74.58
74.07
74.10
74.40
74.74
75.60
76.42
75.90
77.73
78.10
77.33
77.71
1998
77.06
77.64
77.61
76.93
77.13
76.53
77.00
77.00
76.20
76.61
76.07
75.84
1999
75.26
74.71
74.81
74.97
75.00
74.47
74.81
74.39
73.97
73.84
74.33
73.52
2000
73.16
73.17
73.29
72.63
73.87
74.87
73.77
74.77
74.47
74.35
74.28
74.39
2001
72.81
73.25
73.71
74.00
74.68
72.43
73.10
73.52
73.50
74.61
75.10
75.29
2002
74.48
75.07
74.26
74.33
74.87
73.57
73.71
73.74
74.23
74.42
74.47
74.45
2003
75.76
74.95
74.69
74.31
74.16
74.07
73.45
73.98
73.13
74.22
74.09
74.03
2004
74.55
75.00
74.68
74.37
73.48
73.27
73.48
74.00
74.23
75.39
75.93
75.06
2005
75.13
75.29
75.52
75.87
75.94
75.53
74.58
74.26
75.27
75.84
75.13
74.19
2006
74.23
74.25
74.26
74.20
74.03
72.77
73.19
73.13
73.70
74.97
73.60
74.48
2007
M
78.11
M
M
M
M
M
M
M
M
M
M
2008
M
M
M
M
M
M
M
M
M
M
M
M
2009
71.17
71.94
72.09
73.30
M
M
M
M
M
M
80.60
M
2010
77.00
M
M
M
86.00
M
M
90.50
M
M
77.90
73.52
2011
73.74
M
M
77.00
75.20
74.75
75.20
74.95
72.14
73.98
71.90
72.99
2012
73.63
73.09
73.46
71.54
72.59
72.50
72.76
73.05
73.40
73.63
73.76
70.38
2013
69.97
70.96
68.23
74.48
72.82
73.28
71.25
71.95
72.14
74.04
69.44
74.79
2014
72.01
72.69
71.95
73.82
72.92
72.38
71.54
73.11
74.18
73.23
73.52
71.77
2015
73.17
74.43
74.50
74.84
74.45
73.88
74.21
75.08
76.40
76.71
75.56
76.30
2016
76.13
74.95
75.14
74.84
74.62
73.40
73.40
73.28
73.52
74.85
74.30
73.23
2017
73.23
73.27
74.04
73.94
74.56
74.12
71.60
74.27
74.18
71.83
71.72
72.30
2018
70.73
73.79
73.23
71.84
70.96
70.34
70.90
72.59
73.64
74.56
73.82
69.39
2019
72.47
66.84
75.37
72.20
65.04
72.50
71.31
72.82
73.64
72.70
74.00
73.69
2020
74.50
75.51
75.49
74.54
74.39
73.64
73.40
73.86
73.76
73.63
74.72
73.75
2021
73.46
74.24
72.94
74.06
74.56
73.58
73.34
73.63
73.28
74.27
74.12
74.50
2022
73.98
73.72
73.63
73.94
74.04
72.56
74.45
74.04
74.36
74.79
74.78
73.98
2023
73.34
73.59
74.50
74.90
75.43
74.18
74.56
75.84
75.98
76.13
76.34
75.32
2024
76.42
75.94
75.95
76.22
76.07
75.44
74.91
75.55
77.42
75.61
76.34
75.49
2025
75.20
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
1977
M
M
M
M
78.27
79.46
81.21
83.31
81.46
80.77
82.23
80.96
1978
79.82
80.40
79.87
80.88
81.90
82.47
80.66
82.10
83.23
83.77
83.67
80.76
1979
80.69
81.88
81.61
81.47
82.05
82.50
83.94
83.29
84.13
83.48
83.92
82.11
1980
81.66
83.21
81.40
80.57
81.69
81.60
81.66
82.26
82.57
81.44
81.10
80.79
1981
79.32
79.38
81.19
81.25
81.66
81.68
80.19
81.40
80.53
82.00
81.97
81.79
1982
79.95
80.04
80.77
79.85
80.13
81.27
81.73
82.06
83.00
83.32
82.87
80.52
1983
84.32
84.20
83.02
82.13
83.52
81.47
82.63
81.31
82.83
81.26
82.62
80.37
1984
79.58
79.02
80.58
80.47
80.85
81.48
80.90
80.79
80.90
81.29
81.77
80.26
1985
80.53
80.55
81.02
81.92
80.11
80.03
80.34
81.16
82.45
82.15
81.38
79.98
1986
79.35
79.52
79.77
81.22
81.23
80.97
80.16
83.77
82.18
81.37
80.90
81.32
1987
79.61
80.61
81.58
81.40
82.02
81.42
83.29
83.19
84.15
84.24
82.55
81.85
1988
79.95
81.12
82.23
81.55
80.94
80.40
81.16
83.08
83.20
82.58
81.08
80.52
1989
79.90
78.45
79.82
80.22
79.82
80.52
79.71
82.66
82.67
81.45
81.62
82.00
1990
80.48
80.34
80.76
80.55
81.50
82.35
80.66
82.71
82.98
85.11
82.67
81.81
1991
80.60
80.95
80.97
81.42
81.32
82.47
82.05
82.10
83.92
83.48
84.52
83.00
1992
82.63
82.16
81.05
82.60
84.13
82.95
81.97
80.87
84.25
83.13
82.72
80.55
1993
80.52
80.45
79.90
80.87
82.81
82.87
81.84
81.81
83.13
81.73
81.82
81.53
1994
80.15
79.30
80.73
81.13
81.56
81.40
81.97
82.92
83.35
83.69
83.30
81.81
1995
81.32
82.21
81.98
81.65
82.11
82.60
83.65
85.02
84.60
84.03
82.13
81.63
1996
79.60
80.17
80.98
80.75
81.50
81.45
82.37
82.13
84.03
82.69
83.05
82.05
1997
81.27
80.61
80.84
81.70
81.82
83.73
85.15
84.52
87.47
87.13
84.80
84.40
1998
83.13
84.07
83.92
82.72
82.52
82.23
83.74
85.13
84.47
84.92
83.07
83.92
1999
81.48
80.98
81.37
81.12
80.74
81.78
82.87
82.97
82.57
82.50
82.63
81.05
2000
79.87
79.50
79.76
79.20
81.05
82.95
81.32
83.26
83.15
83.02
82.74
81.56
2001
78.65
79.93
80.69
80.85
80.94
78.15
80.10
83.48
82.70
84.05
84.05
81.42
2002
81.85
81.11
81.32
80.97
81.42
80.80
82.44
83.06
84.07
83.29
82.70
81.15
2003
83.05
82.00
81.49
81.25
81.44
81.91
81.82
82.62
82.46
82.85
82.38
82.10
2004
81.52
81.33
80.94
81.58
79.97
81.07
82.02
83.03
83.28
83.82
84.57
82.85
2005
83.50
81.66
81.66
82.02
82.74
83.27
82.53
84.13
84.32
84.94
82.97
80.52
2006
81.19
80.48
80.90
80.47
79.81
81.05
81.39
82.11
83.27
83.69
80.92
81.42
2007
M
82.41
M
M
M
M
M
M
M
M
M
M
2008
M
M
M
M
M
M
M
M
M
M
M
M
2009
77.00
77.59
78.45
78.75
M
M
M
M
M
M
80.60
M
2010
77.00
M
M
M
86.00
M
M
90.50
M
M
78.80
80.72
2011
78.97
M
M
78.80
75.65
75.42
76.19
79.50
81.74
82.20
80.72
81.06
2012
79.82
79.11
79.26
79.10
79.87
80.42
80.45
81.85
82.37
82.31
82.28
78.63
2013
78.54
78.22
77.12
80.66
79.99
81.14
79.35
80.37
81.38
82.63
78.23
81.94
2014
79.47
79.06
78.60
80.27
79.31
79.82
79.53
81.70
83.96
80.63
80.99
79.85
2015
79.58
81.27
80.54
81.08
80.51
81.23
82.40
84.58
86.84
86.00
84.17
83.76
2016
83.85
81.25
81.15
80.99
81.15
80.90
81.88
82.40
81.20
83.42
82.55
79.55
2017
79.76
79.12
79.99
79.85
81.96
81.20
79.99
83.59
81.98
80.66
80.60
78.86
2018
78.19
80.15
80.16
78.71
78.36
78.68
79.76
81.62
82.40
84.08
81.74
77.17
2019
79.09
75.71
81.59
79.37
75.52
80.18
80.11
81.59
82.70
80.25
81.41
80.22
2020
81.65
82.00
82.11
80.60
80.72
80.78
81.91
82.78
83.24
81.53
81.29
80.77
2021
79.35
79.86
79.15
80.45
80.69
80.21
80.05
81.62
81.47
82.20
80.69
80.14
2022
80.19
79.41
79.24
79.61
80.08
79.40
82.25
82.37
83.63
82.86
82.16
80.86
2023
78.95
79.12
80.22
80.90
81.85
80.96
82.72
84.69
85.46
85.39
84.23
81.38
2024
82.78
82.80
81.96
82.16
81.33
82.58
82.95
84.52
86.78
84.23
83.93
81.38
2025
80.60
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.
