Viewing Station: MT-MS-39 : Potomac 0.8 WSW
Aug 28, 2025 - Jul 20, 2026267 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.16"
July 1-21, 2026(7 of 21 days covered by obs)
NOAA Normal
0.55"
Departure from Normal
-0.39" : 29% of Normal
Year-To-Date: 10.28"
Jan 1 to Jul 21, 2026(174 of 202 days covered by obs)
NOAA Normal
7.81"
Departure from Normal
2.47" : 132% of Normal
Water Year-To-Date: 18.52"
Oct 1, 2025 to Jul 21, 2026(266 of 294 days covered by obs)
NOAA Normal
11.36"
Departure from Normal
7.16" : 163% 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