Viewing Station: IL-RH-14 : Chester 5.1 ENE
Apr 5, 2023 - Aug 7, 2026247 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.60"
August 1-7, 2026(4 of 7 days covered by obs)
NOAA Normal
0.69"
Departure from Normal
1.91" : 378% of Normal
Year-To-Date: 36.68"
Jan 1 to Aug 7, 2026(36 of 219 days covered by obs)
NOAA Normal
27.96"
Departure from Normal
8.72" : 131% of Normal
Water Year-To-Date: 44.47"
Oct 1, 2025 to Aug 7, 2026(45 of 311 days covered by obs)
NOAA Normal
37.98"
Departure from Normal
6.49" : 117% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.72
2.78
-0.06
Feb
2.62
2.60
0.02
Mar
3.78
3.70
0.08
Apr
5.01
4.95
0.06
May
5.13
5.32
-0.19
Jun
4.21
4.35
-0.14
Jul
3.80
3.92
-0.12
Aug
3.05
3.07
-0.02
Sep
2.83
3.11
-0.28
Oct
3.18
3.15
0.03
Nov
3.90
3.89
0.01
Dec
2.94
2.99
-0.05
43.17
43.83
-0.66