Viewing Station: MD-MG-63 : Gaithersburg 3.1 NE
Feb 15, 2011 - Aug 11, 20265,360 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.28"
August 1-11, 2026(11 of 11 days covered by obs)
NOAA Normal
1.30"
Departure from Normal
0.98" : 176% of Normal
Year-To-Date: 26.47"
Jan 1 to Aug 11, 2026(222 of 223 days covered by obs)
NOAA Normal
27.20"
Departure from Normal
-0.73" : 97% of Normal
Water Year-To-Date: 32.00"
Oct 1, 2025 to Aug 11, 2026(312 of 315 days covered by obs)
NOAA Normal
37.60"
Departure from Normal
-5.60" : 85% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.04
3.08
-0.04
Feb
2.63
2.70
-0.07
Mar
3.79
3.88
-0.09
Apr
3.47
3.40
0.07
May
4.37
4.36
0.01
Jun
4.29
4.36
-0.07
Jul
4.31
4.25
0.06
Aug
3.66
3.81
-0.15
Sep
4.29
4.35
-0.06
Oct
3.66
3.91
-0.25
Nov
3.20
3.27
-0.07
Dec
3.54
3.71
-0.17
44.25
45.08
-0.83