Viewing Station: IL-PL-2 : New Grand Chain 1.1 NNW
Sep 13, 2019 - Sep 21, 20261,644 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.52"
September 1-22, 2026(5 of 22 days covered by obs)
NOAA Normal
2.38"
Departure from Normal
-1.86" : 22% of Normal
Year-To-Date: 37.17"
Jan 1 to Sep 22, 2026(105 of 265 days covered by obs)
NOAA Normal
35.79"
Departure from Normal
1.38" : 104% of Normal
Water Year-To-Date: 46.34"
Oct 1, 2025 to Sep 22, 2026(152 of 357 days covered by obs)
NOAA Normal
48.22"
Departure from Normal
-1.88" : 96% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.53
3.80
-0.27
Feb
3.58
3.55
0.03
Mar
4.67
4.67
0.00
Apr
5.10
5.15
-0.05
May
5.13
5.12
0.01
Jun
4.19
4.42
-0.23
Jul
4.17
3.88
0.29
Aug
3.04
2.67
0.37
Sep
3.24
3.37
-0.13
Oct
3.92
3.83
0.09
Nov
4.45
4.13
0.32
Dec
4.06
4.16
-0.10
49.08
48.75
0.33