Viewing Station: MT-MS-39 : Potomac 0.8 WSW
Aug 28, 2025 - May 18, 2026212 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.08"
May 1-18, 2026(4 of 18 days covered by obs)
NOAA Normal
0.95"
Departure from Normal
-0.87" : 8% of Normal
Year-To-Date: 7.23"
Jan 1 to May 18, 2026(117 of 138 days covered by obs)
NOAA Normal
4.59"
Departure from Normal
2.64" : 157% of Normal
Water Year-To-Date: 15.47"
Oct 1, 2025 to May 18, 2026(209 of 230 days covered by obs)
NOAA Normal
8.14"
Departure from Normal
7.33" : 190% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.96
1.27
-0.31
Feb
0.89
1.22
-0.33
Mar
0.73
0.91
-0.18
Apr
1.06
1.06
0.00
May
1.64
1.76
-0.12
Jun
1.98
2.17
-0.19
Jul
0.81
0.80
0.01
Aug
0.89
0.74
0.15
Sep
0.93
0.90
0.03
Oct
1.18
1.31
-0.13
Nov
1.23
1.66
-0.43
Dec
1.14
1.45
-0.31
13.44
15.25
-1.81