Viewing Station: IL-DP-173 : Lombard 1.2 N
Apr 17, 2021 - May 27, 20261,150 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.91"
May 1-27, 2026(27 of 27 days covered by obs)
NOAA Normal
4.08"
Departure from Normal
-2.17" : 47% of Normal
Year-To-Date: 10.44"
Jan 1 to May 27, 2026(81 of 147 days covered by obs)
NOAA Normal
13.98"
Departure from Normal
-3.54" : 75% of Normal
Water Year-To-Date: 14.29"
Oct 1, 2025 to May 27, 2026(121 of 239 days covered by obs)
NOAA Normal
21.97"
Departure from Normal
-7.68" : 65% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.89
2.09
-0.20
Feb
1.84
1.99
-0.15
Mar
2.35
2.29
0.06
Apr
3.82
3.83
-0.01
May
4.69
4.69
0.00
Jun
4.46
4.40
0.06
Jul
3.71
3.73
-0.02
Aug
3.84
4.07
-0.23
Sep
3.32
3.27
0.05
Oct
3.40
3.45
-0.05
Nov
2.51
2.63
-0.12
Dec
2.08
2.20
-0.12
37.91
38.64
-0.73