Viewing Station: IA-CN-2 : Calamus 2.0 NE
Sep 12, 2007 - Aug 18, 20266,896 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 5.65"
August 1-18, 2026(18 of 18 days covered by obs)
NOAA Normal
2.33"
Departure from Normal
3.32" : 243% of Normal
Year-To-Date: 27.17"
Jan 1 to Aug 18, 2026(230 of 230 days covered by obs)
NOAA Normal
25.01"
Departure from Normal
2.16" : 109% of Normal
Water Year-To-Date: 31.71"
Oct 1, 2025 to Aug 18, 2026(322 of 322 days covered by obs)
NOAA Normal
31.87"
Departure from Normal
-0.16" : 100% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.31
1.31
0.00
Feb
1.55
1.57
-0.02
Mar
2.34
2.38
-0.04
Apr
3.76
3.74
0.02
May
4.47
4.59
-0.12
Jun
5.06
4.83
0.23
Jul
4.19
4.22
-0.03
Aug
4.01
4.25
-0.24
Sep
3.67
3.70
-0.03
Oct
2.86
2.92
-0.06
Nov
2.16
2.15
0.01
Dec
1.84
1.79
0.05
37.22
37.45
-0.23