Viewing Station: MT-MS-39 : Potomac 0.8 WSW
Aug 28, 2025 - Sep 16, 202520 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.48"
September 1-16, 2025(16 of 16 days covered by obs)
NOAA Normal
0.50"
Departure from Normal
-0.02" : 97% of Normal
Year-To-Date: 0.56"
Jan 1 to Sep 16, 2025(20 of 259 days covered by obs)
NOAA Normal
9.46"
Departure from Normal
-8.90" : 6% of Normal
Water Year-To-Date: 0.56"
Oct 1, 2024 to Sep 16, 2025(20 of 351 days covered by obs)
NOAA Normal
13.01"
Departure from Normal
-12.45" : 4% 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