Viewing Station: IA-BT-16 : Shellsburg 2.9 S
Aug 27, 2020 - Jun 19, 20262,271 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 7.42"
June 1-19, 2026(19 of 19 days covered by obs)
NOAA Normal
3.53"
Departure from Normal
3.89" : 210% of Normal
Year-To-Date: 19.30"
Jan 1 to Jun 19, 2026(170 of 170 days covered by obs)
NOAA Normal
16.02"
Departure from Normal
3.28" : 120% of Normal
Water Year-To-Date: 23.68"
Oct 1, 2025 to Jun 19, 2026(262 of 262 days covered by obs)
NOAA Normal
22.53"
Departure from Normal
1.15" : 105% 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