Viewing Station: MD-MG-120 : Poolesville 5.4 W
Nov 1, 2017 - Jul 27, 20252,182 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.42"
July 1-27, 2025(27 of 27 days covered by obs)
NOAA Normal
3.63"
Departure from Normal
-0.21" : 94% of Normal
Year-To-Date: 19.78"
Jan 1 to Jul 27, 2025(148 of 208 days covered by obs)
NOAA Normal
24.34"
Departure from Normal
-4.56" : 81% of Normal
Water Year-To-Date: 21.91"
Oct 1, 2024 to Jul 27, 2025(214 of 300 days covered by obs)
NOAA Normal
34.32"
Departure from Normal
-12.41" : 64% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.92
3.00
-0.08
Feb
2.48
2.49
-0.01
Mar
3.49
3.70
-0.21
Apr
3.31
3.44
-0.13
May
4.26
4.39
-0.13
Jun
4.25
4.27
-0.02
Jul
4.17
4.06
0.11
Aug
3.40
3.50
-0.10
Sep
4.06
4.45
-0.39
Oct
3.61
3.84
-0.23
Nov
2.94
3.14
-0.20
Dec
3.43
3.61
-0.18
42.32
43.89
-1.57