Viewing Station: IL-GR-8 : White Hall 5.2 WSW
Feb 6, 2026 - Sep 21, 2026217 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.54"
September 1-22, 2026(21 of 22 days covered by obs)
NOAA Normal
2.35"
Departure from Normal
-0.81" : 65% of Normal
Year-To-Date: 24.87"
Jan 1 to Sep 22, 2026(228 of 265 days covered by obs)
NOAA Normal
30.88"
Departure from Normal
-6.01" : 81% of Normal
Water Year-To-Date: 24.87"
Oct 1, 2025 to Sep 22, 2026(228 of 357 days covered by obs)
NOAA Normal
39.30"
Departure from Normal
-14.43" : 63% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.26
2.13
0.13
Feb
2.07
2.04
0.03
Mar
2.99
2.90
0.09
Apr
4.27
4.26
0.01
May
4.83
4.81
0.02
Jun
4.78
4.58
0.20
Jul
3.93
3.86
0.07
Aug
3.40
3.33
0.07
Sep
3.21
3.18
0.03
Oct
3.09
3.01
0.08
Nov
3.07
3.06
0.01
Dec
2.26
2.31
-0.05
40.16
39.47
0.69