Viewing Station: IL-MO-10 : Waterloo 2.9 ENE
Jan 1, 2024 - May 27, 2026848 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.91"
May 1-27, 2026(17 of 27 days covered by obs)
NOAA Normal
4.30"
Departure from Normal
-1.39" : 68% of Normal
Year-To-Date: 18.01"
Jan 1 to May 27, 2026(134 of 147 days covered by obs)
NOAA Normal
17.62"
Departure from Normal
0.39" : 102% of Normal
Water Year-To-Date: 25.59"
Oct 1, 2025 to May 27, 2026(224 of 239 days covered by obs)
NOAA Normal
26.97"
Departure from Normal
-1.38" : 95% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.56
2.69
-0.13
Feb
2.30
2.43
-0.13
Mar
3.51
3.54
-0.03
Apr
4.95
4.92
0.03
May
4.94
5.00
-0.06
Jun
4.34
4.43
-0.09
Jul
3.92
3.86
0.06
Aug
3.34
3.30
0.04
Sep
3.29
3.21
0.08
Oct
3.08
3.09
-0.01
Nov
3.49
3.51
-0.02
Dec
2.78
2.77
0.01
42.50
42.75
-0.25