Viewing Station: IA-DB-20 : Asbury 0.4 SW
Sep 1, 2017 - May 20, 20261,945 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.51"
May 1-20, 2026(17 of 20 days covered by obs)
NOAA Normal
2.74"
Departure from Normal
-1.23" : 55% of Normal
Year-To-Date: 4.34"
Jan 1 to May 20, 2026(57 of 140 days covered by obs)
NOAA Normal
11.40"
Departure from Normal
-7.06" : 38% of Normal
Water Year-To-Date: 6.75"
Oct 1, 2025 to May 20, 2026(102 of 232 days covered by obs)
NOAA Normal
18.27"
Departure from Normal
-11.52" : 37% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.25
1.26
-0.01
Feb
1.44
1.46
-0.02
Mar
2.12
2.07
0.05
Apr
3.85
3.78
0.07
May
4.24
4.40
-0.16
Jun
5.55
5.47
0.08
Jul
4.79
4.93
-0.14
Aug
3.97
3.88
0.09
Sep
3.64
3.64
0.00
Oct
2.94
2.89
0.05
Nov
2.26
2.22
0.04
Dec
1.67
1.70
-0.03
37.72
37.70
0.02