Viewing Station: IL-PT-20 : Monticello 0.6 ENE
May 26, 2020 - May 27, 20261,546 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.55"
May 1-27, 2026(27 of 27 days covered by obs)
NOAA Normal
3.99"
Departure from Normal
-1.44" : 64% of Normal
Year-To-Date: 15.44"
Jan 1 to May 27, 2026(87 of 147 days covered by obs)
NOAA Normal
14.76"
Departure from Normal
0.68" : 105% of Normal
Water Year-To-Date: 18.76"
Oct 1, 2025 to May 27, 2026(147 of 239 days covered by obs)
NOAA Normal
23.37"
Departure from Normal
-4.61" : 80% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.23
2.29
-0.06
Feb
1.97
2.02
-0.05
Mar
2.51
2.72
-0.21
Apr
4.06
3.92
0.14
May
4.58
4.53
0.05
Jun
4.60
4.48
0.12
Jul
4.11
4.07
0.04
Aug
3.27
3.16
0.11
Sep
3.26
3.05
0.21
Oct
3.23
3.20
0.03
Nov
3.09
3.00
0.09
Dec
2.29
2.33
-0.04
39.20
38.77
0.43