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 (USC00239034) 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
2004
1.67
0.51
5.45
1.65
4.05
5.03
2.44
5.20
3.71
2.68
2.77
0.58
2005
5.49
2.90
0.70
1.84
2.35
4.65
1.30
5.88
0.82
2.51
1.66
0.37
2006
1.27
0.00
2.36
4.47
1.79
2.80
2.46
1.53
2.56
3.27
2.07
2.63
2007
0.68
1.21
2.25
1.38
2.82
1.40
3.70
0.62
2.80
2.09
0.26
0.10
2008
0.50
2.93
3.64
6.68
5.51
10.41
5.70
0.65
11.80
1.20
1.60
2.57
2009
0.15
1.21
4.64
7.23
3.11
11.97
3.37
3.16
1.29
8.15
2.11
0.27
NCEI Climatology
1.85
1.97
2.94
4.69
5.30
5.36
4.61
4.64
4.68
3.57
2.83
2.07
Average Wind Speed [MPH]
Year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
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
NCEI Climatology
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
2004
37.58
42.79
57.60
67.16
75.41
78.78
82.74
80.00
79.74
66.96
57.06
42.48
2005
37.64
48.31
51.76
67.04
75.77
84.96
89.45
87.38
81.54
69.65
56.68
34.35
2006
50.70
45.18
56.16
71.35
74.35
83.53
90.55
92.35
76.21
65.77
58.39
46.32
2007
43.90
37.73
67.64
72.50
77.23
80.88
86.11
92.81
82.89
72.00
60.50
41.47
2008
41.81
39.52
54.13
61.86
72.67
83.13
86.68
85.48
77.23
66.58
53.63
42.26
2009
38.48
51.36
56.90
63.63
74.50
84.60
83.16
82.97
77.00
62.83
59.57
39.05
NCEI Climatology
38.80
44.16
54.90
64.99
73.59
82.91
86.50
85.99
77.99
67.40
54.30
42.91
Average Daily Low Temperature [F]
Year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
2004
22.29
21.17
37.63
46.12
57.19
61.63
66.35
62.36
58.89
48.00
39.00
24.19
2005
24.32
29.69
29.96
46.70
52.83
66.39
68.97
69.03
62.68
50.30
35.30
18.00
2006
30.67
21.50
33.40
46.69
55.35
64.28
70.23
70.16
54.72
43.56
36.29
26.35
2007
17.10
17.04
43.96
47.50
59.54
63.00
67.18
67.87
62.12
48.12
38.16
22.12
2008
19.56
21.08
31.32
41.25
53.37
65.13
68.16
65.58
57.63
42.73
33.60
21.00
2009
17.03
25.68
34.81
42.27
56.08
65.93
64.65
62.48
56.74
42.74
38.93
19.67
NCEI Climatology
18.80
22.83
32.21
42.41
53.50
62.90
67.20
64.90
56.50
43.81
32.89
24.40
Average Daily Temperature (high+low)/2 [F]
Year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
2004
29.94
31.98
47.62
56.64
66.30
70.20
74.54
71.18
69.31
57.48
48.03
33.33
2005
30.98
39.00
40.86
56.87
64.30
75.67
79.21
78.21
72.11
59.98
46.26
26.17
2006
40.68
33.34
44.50
59.02
64.85
73.95
80.39
81.26
65.47
55.02
47.34
36.34
2007
30.50
27.38
55.80
60.00
68.38
71.94
76.64
80.17
72.47
60.44
49.53
31.79
2008
30.69
30.65
42.73
51.55
63.02
74.13
77.42
75.53
67.43
54.59
43.62
31.63
2009
27.76
38.52
45.85
52.95
65.18
75.27
73.90
72.73
66.76
52.98
49.25
29.36
NCEI Climatology
28.80
33.49
43.55
53.70
63.55
72.90
76.85
75.45
67.25
55.60
43.60
33.65
Average Relative Humidity [%]
This value is computed via a simple average of available observations weighted
by the duration between observations.