Viewing Station: IL-JF-10 : Mount Vernon 5.2 SSW
Nov 1, 2018 - Mar 28, 20262,552 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 5.69"
March 1-28, 2026(28 of 28 days covered by obs)
NOAA Normal
3.56"
Departure from Normal
2.13" : 160% of Normal
Year-To-Date: 7.83"
Jan 1 to Mar 28, 2026(87 of 87 days covered by obs)
NOAA Normal
9.24"
Departure from Normal
-1.41" : 85% of Normal
Water Year-To-Date: 15.07"
Oct 1, 2025 to Mar 28, 2026(179 of 179 days covered by obs)
NOAA Normal
19.64"
Departure from Normal
-4.57" : 77% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.06
2.95
0.11
Feb
2.62
2.64
-0.02
Mar
3.94
3.81
0.13
Apr
4.86
4.94
-0.08
May
5.13
4.96
0.17
Jun
4.63
4.59
0.04
Jul
3.99
3.90
0.09
Aug
3.40
3.23
0.17
Sep
3.18
3.19
-0.01
Oct
3.41
3.33
0.08
Nov
3.98
3.91
0.07
Dec
3.01
3.01
0.00
45.21
44.46
0.75