Viewing Station: MD-MG-3 : Potomac 0.9 NNW
Oct 1, 2005 - May 11, 20256,831 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.61"
May 1-12, 2025(11 of 12 days covered by obs)
NOAA Normal
1.66"
Departure from Normal
0.95" : 157% of Normal
Year-To-Date: 11.59"
Jan 1 to May 12, 2025(131 of 132 days covered by obs)
NOAA Normal
14.41"
Departure from Normal
-2.82" : 80% of Normal
Water Year-To-Date: 17.46"
Oct 1, 2024 to May 12, 2025(223 of 224 days covered by obs)
NOAA Normal
24.91"
Departure from Normal
-7.45" : 70% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.00
3.03
-0.03
Feb
2.63
2.67
-0.04
Mar
3.71
3.78
-0.07
Apr
3.41
3.40
0.01
May
4.29
4.39
-0.10
Jun
4.25
4.27
-0.02
Jul
4.39
4.38
0.01
Aug
3.66
3.81
-0.15
Sep
4.22
4.44
-0.22
Oct
3.78
3.84
-0.06
Nov
3.13
3.19
-0.06
Dec
3.59
3.64
-0.05
44.06
44.84
-0.78