Viewing Station: MO-SL-115 : Ballwin 1.0 SE
May 8, 2025 - May 16, 2026350 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.79"
May 1-16, 2026(16 of 16 days covered by obs)
NOAA Normal
2.56"
Departure from Normal
-0.77" : 70% of Normal
Year-To-Date: 15.76"
Jan 1 to May 16, 2026(127 of 136 days covered by obs)
NOAA Normal
15.43"
Departure from Normal
0.33" : 102% of Normal
Water Year-To-Date: 21.14"
Oct 1, 2025 to May 16, 2026(210 of 228 days covered by obs)
NOAA Normal
24.57"
Departure from Normal
-3.43" : 86% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.54
2.71
-0.17
Feb
2.18
2.33
-0.15
Mar
3.48
3.55
-0.07
Apr
4.67
4.72
-0.05
May
4.96
5.07
-0.11
Jun
4.48
4.50
-0.02
Jul
3.78
3.99
-0.21
Aug
3.57
3.41
0.16
Sep
3.36
3.38
-0.02
Oct
3.12
3.24
-0.12
Nov
3.39
3.52
-0.13
Dec
2.63
2.71
-0.08
42.16
43.13
-0.97