Viewing Station: IL-WD-22 : Rock Falls 3.1 S
Dec 31, 2020 - Mar 7, 20261,732 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.40"
March 1-7, 2026(7 of 7 days covered by obs)
NOAA Normal
0.55"
Departure from Normal
0.85" : 256% of Normal
Year-To-Date: 2.08"
Jan 1 to Mar 7, 2026(62 of 66 days covered by obs)
NOAA Normal
3.94"
Departure from Normal
-1.86" : 53% of Normal
Water Year-To-Date: 10.53"
Oct 1, 2025 to Mar 7, 2026(150 of 158 days covered by obs)
NOAA Normal
11.21"
Departure from Normal
-0.68" : 94% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.64
1.68
-0.04
Feb
1.75
1.70
0.05
Mar
2.42
2.37
0.05
Apr
3.68
3.79
-0.11
May
4.64
4.83
-0.19
Jun
5.09
5.27
-0.18
Jul
3.94
4.17
-0.23
Aug
3.96
4.23
-0.27
Sep
3.60
3.65
-0.05
Oct
2.85
2.81
0.04
Nov
2.36
2.28
0.08
Dec
2.06
1.94
0.12
37.99
38.72
-0.73