Viewing Station: IL-LV-30 : Pontiac 1.1 NNW
Mar 24, 2024 - May 19, 2026122 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.85"
May 1-19, 2026(6 of 19 days covered by obs)
NOAA Normal
2.79"
Departure from Normal
-1.94" : 30% of Normal
Year-To-Date: 0.85"
Jan 1 to May 19, 2026(6 of 139 days covered by obs)
NOAA Normal
12.66"
Departure from Normal
-11.81" : 7% of Normal
Water Year-To-Date: 1.37"
Oct 1, 2025 to May 19, 2026(10 of 231 days covered by obs)
NOAA Normal
20.46"
Departure from Normal
-19.09" : 7% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.05
2.01
0.04
Feb
1.79
1.75
0.04
Mar
2.45
2.56
-0.11
Apr
3.58
3.47
0.11
May
4.55
4.38
0.17
Jun
4.18
3.95
0.23
Jul
4.00
3.92
0.08
Aug
3.53
3.52
0.01
Sep
3.30
3.21
0.09
Oct
3.21
3.18
0.03
Nov
2.55
2.56
-0.01
Dec
2.04
2.09
-0.05
37.23
36.60
0.63