Viewing Station: IL-KN-138 : Aurora 3.2 WNW
May 3, 2022 - May 27, 20261,480 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.76"
May 1-27, 2026(27 of 27 days covered by obs)
NOAA Normal
4.06"
Departure from Normal
-2.30" : 43% of Normal
Year-To-Date: 14.27"
Jan 1 to May 27, 2026(147 of 147 days covered by obs)
NOAA Normal
13.60"
Departure from Normal
0.67" : 105% of Normal
Water Year-To-Date: 20.36"
Oct 1, 2025 to May 27, 2026(239 of 239 days covered by obs)
NOAA Normal
21.50"
Departure from Normal
-1.14" : 95% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.82
1.87
-0.05
Feb
1.72
1.83
-0.11
Mar
2.23
2.27
-0.04
Apr
3.77
3.76
0.01
May
4.66
4.66
0.00
Jun
4.38
4.31
0.07
Jul
3.87
3.74
0.13
Aug
3.94
3.78
0.16
Sep
3.22
3.26
-0.04
Oct
3.34
3.35
-0.01
Nov
2.53
2.52
0.01
Dec
2.03
2.08
-0.05
37.51
37.43
0.08