Viewing Station: IL-BU-11 : Walnut 5.3 ENE
Jun 23, 2016 - May 27, 20263,100 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.68"
May 1-27, 2026(27 of 27 days covered by obs)
NOAA Normal
4.08"
Departure from Normal
-3.40" : 17% of Normal
Year-To-Date: 12.71"
Jan 1 to May 27, 2026(147 of 147 days covered by obs)
NOAA Normal
13.54"
Departure from Normal
-0.83" : 94% of Normal
Water Year-To-Date: 18.00"
Oct 1, 2025 to May 27, 2026(238 of 239 days covered by obs)
NOAA Normal
20.97"
Departure from Normal
-2.97" : 86% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.71
1.73
-0.02
Feb
1.75
1.77
-0.02
Mar
2.41
2.34
0.07
Apr
3.59
3.54
0.05
May
4.69
4.71
-0.02
Jun
4.98
4.86
0.12
Jul
3.94
3.89
0.05
Aug
3.87
3.94
-0.07
Sep
3.44
3.37
0.07
Oct
2.96
2.92
0.04
Nov
2.45
2.33
0.12
Dec
2.02
1.98
0.04
37.81
37.38
0.43