Viewing Station: MD-MG-154 : Gaithersburg 2.4 E
Jan 2, 2024 - Aug 29, 2025605 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.85"
August 1-30, 2025(29 of 30 days covered by obs)
NOAA Normal
3.60"
Departure from Normal
-2.75" : 24% of Normal
Year-To-Date: 26.42"
Jan 1 to Aug 30, 2025(241 of 242 days covered by obs)
NOAA Normal
29.44"
Departure from Normal
-3.02" : 90% of Normal
Water Year-To-Date: 32.10"
Oct 1, 2024 to Aug 30, 2025(333 of 334 days covered by obs)
NOAA Normal
39.94"
Departure from Normal
-7.84" : 80% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.03
3.05
-0.02
Feb
2.65
2.69
-0.04
Mar
3.78
3.86
-0.08
Apr
3.47
3.39
0.08
May
4.33
4.38
-0.05
Jun
4.28
4.30
-0.02
Jul
4.30
4.25
0.05
Aug
3.72
3.79
-0.07
Sep
4.26
4.33
-0.07
Oct
3.73
3.89
-0.16
Nov
3.20
3.25
-0.05
Dec
3.57
3.69
-0.12
44.32
44.87
-0.55