Viewing Station: IA-BH-6 : Waterloo 1.9 SSE
Aug 7, 2007 - May 20, 20266,794 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 1.95"
May 1-20, 2026(18 of 20 days covered by obs)
NOAA Normal
3.02"
Departure from Normal
-1.07" : 65% of Normal
Year-To-Date: 12.65"
Jan 1 to May 20, 2026(132 of 140 days covered by obs)
NOAA Normal
11.06"
Departure from Normal
1.59" : 114% of Normal
Water Year-To-Date: 17.07"
Oct 1, 2025 to May 20, 2026(221 of 232 days covered by obs)
NOAA Normal
17.27"
Departure from Normal
-0.20" : 99% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.11
1.07
0.04
Feb
1.15
1.21
-0.06
Mar
1.91
2.06
-0.15
Apr
3.87
3.94
-0.07
May
4.68
4.70
-0.02
Jun
5.77
5.68
0.09
Jul
4.26
4.63
-0.37
Aug
4.10
4.20
-0.10
Sep
3.62
3.43
0.19
Oct
2.77
2.85
-0.08
Nov
1.98
1.96
0.02
Dec
1.46
1.48
-0.02
36.68
37.21
-0.53