Viewing Station: MO-SL-49 : Ballwin 1.6 E
Jun 8, 2014 - May 16, 20263,949 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.96"
May 1-16, 2026(16 of 16 days covered by obs)
NOAA Normal
2.56"
Departure from Normal
-1.60" : 38% of Normal
Year-To-Date: 14.06"
Jan 1 to May 16, 2026(132 of 136 days covered by obs)
NOAA Normal
15.43"
Departure from Normal
-1.37" : 91% of Normal
Water Year-To-Date: 18.19"
Oct 1, 2025 to May 16, 2026(222 of 228 days covered by obs)
NOAA Normal
24.57"
Departure from Normal
-6.38" : 74% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.54
2.70
-0.16
Feb
2.18
2.32
-0.14
Mar
3.48
3.55
-0.07
Apr
4.67
4.71
-0.04
May
4.96
5.06
-0.10
Jun
4.48
4.51
-0.03
Jul
3.78
4.00
-0.22
Aug
3.57
3.41
0.16
Sep
3.36
3.38
-0.02
Oct
3.12
3.25
-0.13
Nov
3.39
3.52
-0.13
Dec
2.63
2.71
-0.08
42.16
43.12
-0.96