Viewing Station: IL-MC-4 : Metropolis 2.9 NNE
Jul 1, 2023 - May 27, 20261,062 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 5.00"
May 1-27, 2026(27 of 27 days covered by obs)
NOAA Normal
4.29"
Departure from Normal
0.71" : 117% of Normal
Year-To-Date: 17.31"
Jan 1 to May 27, 2026(147 of 147 days covered by obs)
NOAA Normal
21.37"
Departure from Normal
-4.06" : 81% of Normal
Water Year-To-Date: 27.42"
Oct 1, 2025 to May 27, 2026(239 of 239 days covered by obs)
NOAA Normal
33.54"
Departure from Normal
-6.12" : 82% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.74
3.89
-0.15
Feb
3.66
3.68
-0.02
Mar
4.64
4.78
-0.14
Apr
5.04
5.11
-0.07
May
4.92
5.12
-0.20
Jun
4.50
4.60
-0.10
Jul
4.13
4.10
0.03
Aug
3.22
2.96
0.26
Sep
3.36
3.50
-0.14
Oct
3.82
3.84
-0.02
Nov
4.19
4.20
-0.01
Dec
4.16
4.25
-0.09
49.38
50.03
-0.65