Viewing Station: IA-BT-16 : Shellsburg 2.9 S
Aug 27, 2020 - Jul 19, 20251,921 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.99"
July 1-20, 2025(19 of 20 days covered by obs)
NOAA Normal
2.79"
Departure from Normal
1.20" : 143% of Normal
Year-To-Date: 16.82"
Jan 1 to Jul 20, 2025(200 of 201 days covered by obs)
NOAA Normal
20.86"
Departure from Normal
-4.04" : 81% of Normal
Water Year-To-Date: 26.17"
Oct 1, 2024 to Jul 20, 2025(292 of 293 days covered by obs)
NOAA Normal
27.37"
Departure from Normal
-1.20" : 96% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.03
1.14
-0.11
Feb
1.21
1.31
-0.10
Mar
1.95
2.09
-0.14
Apr
3.80
3.77
0.03
May
4.50
4.65
-0.15
Jun
5.58
5.56
0.02
Jul
4.32
4.38
-0.06
Aug
4.29
4.21
0.08
Sep
3.59
3.68
-0.09
Oct
2.89
2.92
-0.03
Nov
2.09
2.12
-0.03
Dec
1.53
1.60
-0.07
36.78
37.43
-0.65