Viewing Station: IA-DV-2 : Moulton 3.6 ENE
Nov 6, 2017 - May 20, 20263,118 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.78"
May 1-20, 2026(20 of 20 days covered by obs)
NOAA Normal
3.41"
Departure from Normal
0.37" : 111% of Normal
Year-To-Date: 12.07"
Jan 1 to May 20, 2026(138 of 140 days covered by obs)
NOAA Normal
12.27"
Departure from Normal
-0.20" : 98% of Normal
Water Year-To-Date: 16.56"
Oct 1, 2025 to May 20, 2026(229 of 232 days covered by obs)
NOAA Normal
18.94"
Departure from Normal
-2.38" : 87% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.22
1.21
0.01
Feb
1.58
1.60
-0.02
Mar
2.25
2.27
-0.02
Apr
3.81
3.79
0.02
May
5.29
5.40
-0.11
Jun
5.13
5.26
-0.13
Jul
4.21
4.40
-0.19
Aug
4.22
4.21
0.01
Sep
3.86
3.77
0.09
Oct
2.90
2.86
0.04
Nov
2.16
2.18
-0.02
Dec
1.61
1.58
0.03
38.24
38.53
-0.29