Viewing Station: IL-JH-4 : Vienna 5.3 NNW
Mar 11, 2023 - May 27, 20261,170 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.32"
May 1-27, 2026(27 of 27 days covered by obs)
NOAA Normal
4.42"
Departure from Normal
-1.10" : 75% of Normal
Year-To-Date: 16.01"
Jan 1 to May 27, 2026(147 of 147 days covered by obs)
NOAA Normal
21.26"
Departure from Normal
-5.25" : 75% of Normal
Water Year-To-Date: 27.11"
Oct 1, 2025 to May 27, 2026(239 of 239 days covered by obs)
NOAA Normal
33.33"
Departure from Normal
-6.22" : 81% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.55
3.58
-0.03
Feb
3.40
3.40
0.00
Mar
4.61
4.56
0.05
Apr
5.28
5.29
-0.01
May
5.08
5.15
-0.07
Jun
4.39
4.54
-0.15
Jul
4.33
4.08
0.25
Aug
3.09
3.05
0.04
Sep
3.36
3.29
0.07
Oct
3.80
3.69
0.11
Nov
4.39
4.28
0.11
Dec
3.88
3.93
-0.05
49.16
48.84
0.32