Viewing Station: IL-DP-139 : Westmont 1.1 SSW
May 25, 2016 - Jul 28, 20251,668 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 5.21"
July 1-29, 2025(11 of 29 days covered by obs)
NOAA Normal
3.58"
Departure from Normal
1.63" : 145% of Normal
Year-To-Date: 6.26"
Jan 1 to Jul 29, 2025(14 of 210 days covered by obs)
NOAA Normal
22.72"
Departure from Normal
-16.46" : 28% of Normal
Water Year-To-Date: 6.26"
Oct 1, 2024 to Jul 29, 2025(14 of 302 days covered by obs)
NOAA Normal
31.04"
Departure from Normal
-24.78" : 20% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.02
2.16
-0.14
Feb
1.84
1.99
-0.15
Mar
2.40
2.36
0.04
Apr
3.88
3.92
-0.04
May
4.59
4.70
-0.11
Jun
4.41
4.44
-0.03
Jul
3.83
3.90
-0.07
Aug
4.19
4.05
0.14
Sep
3.32
3.25
0.07
Oct
3.54
3.54
0.00
Nov
2.60
2.65
-0.05
Dec
2.18
2.23
-0.05
38.80
39.19
-0.39