Viewing Station: IL-PL-2 : New Grand Chain 1.1 NNW
Sep 13, 2019 - May 27, 20261,599 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.89"
May 1-27, 2026(11 of 27 days covered by obs)
NOAA Normal
4.47"
Departure from Normal
-1.58" : 65% of Normal
Year-To-Date: 14.36"
Jan 1 to May 27, 2026(43 of 147 days covered by obs)
NOAA Normal
21.35"
Departure from Normal
-6.99" : 67% of Normal
Water Year-To-Date: 23.53"
Oct 1, 2025 to May 27, 2026(90 of 239 days covered by obs)
NOAA Normal
33.78"
Departure from Normal
-10.25" : 70% 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