Viewing Station: IL-MD-39 : Maryville 1.4 ENE
Aug 24, 2019 - Sep 23, 20262,614 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.46"
September 1-23, 2026(23 of 23 days covered by obs)
NOAA Normal
2.53"
Departure from Normal
-1.07" : 58% of Normal
Year-To-Date: 33.37"
Jan 1 to Sep 23, 2026(266 of 266 days covered by obs)
NOAA Normal
32.28"
Departure from Normal
1.09" : 103% of Normal
Water Year-To-Date: 40.38"
Oct 1, 2025 to Sep 23, 2026(358 of 358 days covered by obs)
NOAA Normal
41.68"
Departure from Normal
-1.30" : 97% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.57
2.67
-0.10
Feb
2.26
2.35
-0.09
Mar
3.38
3.44
-0.06
Apr
4.78
4.84
-0.06
May
5.01
5.10
-0.09
Jun
4.27
4.63
-0.36
Jul
4.11
4.28
-0.17
Aug
3.37
3.70
-0.33
Sep
3.30
3.17
0.13
Oct
3.23
3.23
0.00
Nov
3.50
3.53
-0.03
Dec
2.67
2.65
0.02
42.45
43.59
-1.14