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
M
M
0.00
0.00
0.00
0.00
0.00
0.00
1978
M
M
M
M
M
M
M
M
M
M
M
M
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
M
M
M
M
M
M
M
M
M
M
M
M
1983
M
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
M
M
M
M
M
M
M
M
M
M
M
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
0.19
1.10
0.29
0.00
0.01
2003
M
M
M
M
M
M
M
M
M
M
M
M
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
Average Wind Speed [MPH]
Year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1977
M
M
M
M
M
M
3.3
2.6
2.1
2.0
2.3
1.7
1978
M
M
M
M
M
M
M
M
M
M
M
M
1979
1.1
1.9
2.3
2.2
2.8
2.8
2.6
M
M
M
M
M
1980
M
M
M
M
M
M
M
M
M
M
M
M
1981
M
M
M
M
M
M
M
M
M
M
M
M
1982
M
M
M
M
M
M
M
M
M
M
M
M
1983
M
M
M
3.4
4.7
4.0
3.2
2.9
3.0
1.1
2.3
0.4
1984
1.3
2.5
2.1
4.6
4.6
3.7
3.7
3.2
2.5
3.0
1.2
1.1
1985
0.8
3.2
2.6
4.1
4.3
4.6
3.7
3.3
2.8
3.3
1.4
0.7
1986
2.0
1.7
3.0
4.0
4.5
4.0
3.9
3.0
2.8
1.5
2.2
1.2
1987
1.8
2.2
2.4
3.7
4.3
4.3
3.9
3.2
2.7
1.5
2.1
2.5
1988
1.8
2.4
3.2
3.8
3.5
4.4
3.4
2.8
2.1
1.6
2.2
1.3
1989
1.5
1.7
3.3
3.3
4.1
3.7
3.2
3.2
2.3
2.0
2.4
1.6
1990
1.9
2.3
2.4
3.3
3.8
4.2
3.0
2.7
2.1
3.9
1.7
2.1
1991
1.3
2.2
2.2
3.3
4.0
3.7
3.6
3.3
2.1
1.6
2.3
2.1
1992
1.5
1.6
1.8
8.2
2.0
0.0
17.0
3.6
4.7
2.8
2.0
2.0
1993
M
M
M
M
M
M
M
M
M
M
M
4.7
1994
1.3
3.2
2.9
3.6
3.7
3.4
3.3
2.5
2.3
2.0
1.4
0.8
1995
0.5
1.5
2.3
3.4
3.4
3.4
3.3
2.3
1.7
2.1
1.0
0.8
1996
1.0
1.4
3.0
3.2
3.3
4.6
M
M
M
M
M
M
1997
M
M
M
M
M
M
M
M
M
M
M
M
1998
M
M
M
M
M
M
M
M
M
M
M
M
1999
M
M
M
M
M
M
4.5
2.9
2.6
2.8
2.2
1.6
2000
1.4
1.4
2.7
4.4
3.9
3.7
3.4
3.1
2.5
2.6
1.4
1.2
2001
1.2
1.7
3.3
3.6
5.0
3.3
3.8
2.7
4.5
3.8
2.3
1.4
2002
1.6
2.0
3.3
4.5
3.8
3.3
4.0
2.7
2.6
2.3
1.4
2.0
2003
M
M
M
M
M
M
M
M
M
M
M
M
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
M
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
Average Daily High Temperature [F]
Year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1977
M
M
M
M
M
69.80
64.98
74.21
57.08
49.01
27.86
8.31
1978
16.15
32.84
41.06
49.82
56.74
70.82
76.58
69.22
56.42
53.02
27.20
17.31
1979
11.45
26.86
45.88
50.48
58.07
63.32
72.35
70.44
64.40
53.19
32.60
22.59
1980
13.25
31.26
39.08
55.22
59.18
63.20
66.61
64.34
61.10
51.34
33.50
18.35
1981
30.95
34.25
46.86
48.20
58.42
58.70
68.87
72.28
62.18
50.64
33.80
16.32
1982
M
M
M
M
M
M
M
M
M
M
M
M
1983
26.60
35.86
42.67
52.38
64.89
61.98
67.58
73.47
60.28
50.35
35.66
5.56
1984
25.20
39.11
46.08
50.52
55.09
64.90
74.26
71.00
57.92
44.71
28.36
13.76
1985
23.72
31.14
39.71
48.91
66.36
67.77
80.43
72.37
60.93
46.99
14.92
21.16
1986
30.43
27.39
47.81
48.09
59.43
69.62
69.83
79.00
59.77
56.40
29.99
21.01
1987
24.71
35.38
43.24
54.78
61.37
72.83
72.84
70.62
71.79
57.74
38.40
27.62
1988
20.55
34.50
45.07
54.86
59.65
64.80
71.88
73.02
65.04
56.46
37.93
25.26
1989
20.99
24.01
39.38
56.89
61.12
70.19
71.29
70.87
69.45
51.51
35.89
28.07
1990
24.61
31.47
44.98
54.77
59.93
66.77
75.22
75.17
72.79
47.66
32.49
19.23
1991
18.98
41.69
38.38
53.76
62.80
63.89
72.22
74.72
68.51
46.79
36.41
31.56
1992
29.29
32.13
48.46
52.36
61.21
73.02
71.32
73.65
61.24
50.02
33.54
19.04
1993
13.05
30.76
43.52
52.15
66.13
63.96
64.98
70.54
70.09
52.66
34.17
24.06
1994
28.28
18.98
46.54
54.56
61.74
66.45
75.66
73.06
66.92
49.98
32.02
21.44
1995
17.49
32.85
41.99
51.60
64.47
70.21
71.19
65.51
69.33
48.94
31.85
17.81
1996
12.82
31.80
38.38
52.94
53.70
61.27
72.66
70.34
58.68
46.18
21.82
8.54
1997
20.33
34.72
36.09
49.17
62.53
64.96
71.22
75.50
66.92
46.58
30.86
25.08
1998
18.77
39.89
43.76
52.26
66.64
65.76
75.36
72.81
67.27
50.57
33.65
22.30
1999
24.93
35.47
40.66
50.95
54.86
64.05
70.30
73.23
65.31
52.60
35.20
28.14
2000
18.56
30.90
42.67
51.71
57.11
65.98
68.99
69.59
63.43
51.33
32.19
19.19
2001
27.61
28.99
42.49
49.37
59.49
62.33
70.23
61.37
M
43.73
23.95
20.43
2002
31.45
34.73
42.55
50.59
55.15
66.96
74.63
73.62
62.81
55.30
40.18
26.82
2003
0.72
24.95
42.16
50.61
59.14
71.50
77.42
74.76
68.78
53.29
30.08
22.66
2004
17.04
30.99
40.79
58.65
60.84
73.12
82.29
75.79
59.42
49.63
37.50
24.96
2005
19.49
37.46
45.68
55.27
65.55
65.45
70.15
73.51
61.55
50.92
31.88
25.04
2006
30.42
30.88
40.71
53.56
62.70
71.26
76.72
73.83
68.15
51.91
26.22
25.70
2007
23.11
31.75
41.69
48.93
61.87
65.51
75.45
68.99
62.50
50.28
34.63
19.15
2008
21.04
35.55
41.45
46.17
62.70
65.74
74.14
72.32
66.80
48.86
39.03
15.14
2009
23.48
29.11
37.81
51.03
60.31
70.99
79.70
75.05
68.25
45.32
34.99
11.93
2010
28.75
37.10
44.43
52.35
58.31
67.21
78.31
73.54
60.34
55.11
31.41
21.94
Average Daily Low Temperature [F]
Year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1977
M
M
M
M
M
50.00
41.75
44.89
34.04
23.99
9.26
-9.57
1978
5.52
8.79
18.47
27.50
28.98
39.98
45.32
42.22
33.14
24.80
4.16
-8.06
1979
-11.43
-2.01
18.30
26.30
32.75
36.26
44.02
46.63
37.40
28.63
10.88
5.06
1980
-8.70
8.79
18.41
27.08
38.78
42.32
45.47
43.05
38.00
27.30
18.98
4.36
1981
15.92
15.80
23.29
24.68
35.48
36.50
45.82
43.92
37.22
26.95
21.74
-0.63
1982
M
M
M
M
M
M
M
M
M
M
M
M
1983
3.90
16.40
21.13
20.74
32.44
33.24
39.86
37.98
30.26
23.06
18.30
-13.70
1984
3.45
9.97
19.89
22.48
29.88
38.49
39.63
38.92
29.80
21.20
6.31
-11.85
1985
4.07
0.52
16.42
23.06
34.31
37.98
41.94
41.64
31.11
24.97
-10.66
0.06
1986
9.00
-7.42
20.84
23.70
33.09
37.44
43.74
41.19
34.05
27.54
13.41
2.89
1987
1.27
9.76
19.93
23.90
30.28
38.33
44.67
40.00
35.49
21.88
19.27
3.93
1988
-7.70
5.71
20.04
26.85
31.12
37.33
41.70
41.37
34.48
26.36
17.09
4.29
1989
-8.04
-10.14
8.95
25.71
31.94
40.99
42.49
43.83
33.50
24.03
17.11
11.60
1990
-2.13
-5.59
14.20
27.78
37.78
41.09
44.68
45.31
34.22
24.38
13.25
-8.92
1991
-11.05
17.43
5.78
23.45
33.44
40.84
42.35
44.36
34.24
21.70
20.19
8.98
1992
5.63
13.74
21.15
21.39
29.67
42.56
39.89
38.20
33.64
23.89
15.76
-4.70
1993
-17.67
-3.27
16.15
25.25
34.89
41.00
43.14
42.33
31.16
28.22
10.87
7.25
1994
7.75
-6.55
17.96
27.80
33.64
39.20
44.15
41.12
36.11
25.04
5.90
-2.81
1995
-3.09
1.57
12.80
23.94
34.42
40.71
45.10
40.81
33.97
24.85
13.90
-2.79
1996
-15.85
-1.21
11.88
24.96
33.76
37.41
41.56
40.44
35.15
23.85
8.34
-10.46
1997
6.39
13.34
13.20
23.93
33.82
39.16
44.67
43.08
36.92
27.33
21.28
10.10
1998
-1.04
16.36
24.29
25.24
37.62
46.99
51.82
44.60
38.52
32.03
23.70
8.11
1999
9.00
12.05
19.13
26.00
32.11
41.63
43.74
45.98
33.85
20.13
16.37
3.88
2000
-8.12
-0.62
14.59
23.19
29.25
38.76
43.93
41.20
33.67
26.45
19.39
2.98
2001
5.31
-0.12
13.62
22.91
29.66
37.55
43.07
38.90
M
21.80
10.17
7.57
2002
4.08
5.26
19.75
24.43
31.16
42.64
41.68
40.09
35.70
22.95
18.40
11.32
2003
-15.16
-3.96
15.77
25.23
32.39
41.86
44.57
41.97
34.95
27.09
2.93
-0.42
2004
-4.72
11.63
24.69
28.67
39.71
44.67
47.33
48.99
36.69
26.12
19.83
6.81
2005
-1.45
0.98
20.10
25.18
34.31
43.46
41.66
40.67
32.23
28.10
11.92
3.72
2006
4.59
-3.48
9.55
23.27
30.61
39.09
44.80
37.75
34.46
21.04
6.64
-0.05
2007
-4.19
6.12
14.37
22.60
28.98
39.10
42.57
41.63
32.47
25.75
13.68
-4.76
2008
-5.89
-0.27
13.45
20.33
33.91
36.83
41.13
40.65
32.39
24.04
19.30
-8.72
2009
-6.48
-1.01
10.10
22.16
29.25
37.96
45.03
40.86
34.03
22.79
10.89
-10.80
2010
8.91
10.51
18.81
23.34
32.11
37.36
42.41
42.28
33.61
26.34
10.62
1.59
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
M
59.90
53.37
59.55
45.56
36.50
18.56
-0.63
1978
10.84
20.81
29.76
38.66
42.86
55.40
60.95
55.72
44.78
38.91
15.68
4.62
1979
0.01
12.43
32.09
38.39
45.41
49.79
58.19
58.54
50.90
40.91
21.74
13.83
1980
2.27
20.02
28.75
41.15
48.98
52.76
56.04
53.69
49.55
39.32
26.24
11.36
1981
23.44
25.03
35.08
36.44
46.95
47.60
57.35
58.10
49.70
38.79
27.77
7.85
1982
M
M
M
M
M
M
M
M
M
M
M
M
1983
15.25
26.13
31.90
36.56
48.66
47.61
53.72
55.73
45.27
36.70
26.98
-4.07
1984
14.33
24.54
32.99
36.50
42.48
51.70
56.95
54.96
43.86
32.95
17.34
0.95
1985
13.90
15.83
28.06
35.99
50.33
52.88
61.18
57.00
46.02
35.98
2.13
10.61
1986
19.72
9.98
34.33
35.90
46.26
53.53
56.78
60.09
46.91
41.97
21.70
11.95
1987
12.99
22.57
31.59
39.34
45.83
55.58
58.75
55.31
53.64
39.81
28.84
15.77
1988
6.42
20.11
32.56
40.86
45.39
51.07
56.79
57.19
49.76
41.41
27.51
14.78
1989
6.48
6.94
24.16
41.30
46.53
55.59
56.89
57.35
51.48
37.77
26.50
19.83
1990
11.24
12.94
29.59
41.27
48.85
53.93
59.95
60.24
53.51
36.02
22.87
5.15
1991
3.96
29.56
22.08
38.61
48.12
52.36
57.28
59.54
51.37
34.25
28.30
20.27
1992
17.46
22.94
34.81
36.88
45.44
57.79
55.61
55.93
47.44
36.95
24.65
7.17
1993
-2.31
13.74
29.84
38.70
50.51
52.48
54.06
56.43
50.63
40.44
22.52
15.66
1994
18.01
6.22
32.25
41.18
47.69
52.82
59.91
57.09
51.51
37.51
18.96
9.31
1995
7.20
17.21
27.40
37.77
49.44
55.46
58.15
53.16
51.65
36.90
22.88
7.51
1996
-1.52
15.29
25.13
38.95
43.73
49.34
57.11
55.39
46.91
35.01
15.08
-0.96
1997
13.36
24.03
24.65
36.55
48.18
52.06
57.94
59.29
51.92
36.95
26.07
17.59
1998
8.87
28.12
34.03
38.75
52.13
56.38
63.59
58.70
52.89
41.30
28.68
15.20
1999
16.96
23.76
29.89
38.47
43.48
52.84
57.02
59.60
49.58
36.36
25.79
16.01
2000
5.22
15.14
28.63
37.45
43.18
52.37
56.46
55.40
48.55
38.89
25.79
11.09
2001
16.46
14.44
28.05
36.14
44.57
49.94
56.65
50.13
M
32.77
17.06
14.00
2002
17.76
19.99
31.15
37.51
43.15
54.80
58.15
56.85
49.26
39.12
29.29
19.07
2003
-7.22
10.49
28.97
37.92
45.76
56.68
61.00
58.37
51.87
40.19
16.50
11.12
2004
6.16
21.31
32.74
43.66
50.27
58.89
64.81
62.39
48.05
37.88
28.66
15.89
2005
9.02
19.22
32.89
40.22
49.93
54.45
55.90
57.09
46.89
39.51
21.90
14.38
2006
17.51
13.70
25.13
38.41
46.65
55.18
60.76
55.79
51.31
36.47
16.43
12.82
2007
9.46
18.93
28.03
35.76
45.42
52.30
59.01
55.31
47.49
38.01
24.16
7.20
2008
7.57
17.64
27.45
33.25
48.30
51.28
57.63
56.49
49.59
36.45
29.17
3.21
2009
8.50
14.05
23.95
36.60
44.78
54.47
62.36
57.96
51.14
34.05
22.94
0.57
2010
18.83
23.81
31.62
37.85
45.21
52.29
60.36
57.91
46.98
40.72
21.01
11.76
Average Relative Humidity [%]
This value is computed via a simple average of available observations weighted
by the duration between observations.
