Viewing Station: MD-MG-144 : Gaithersburg 2.8 NNE
May 1, 2022 - Apr 25, 20261,381 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.46"
April 1-25, 2026(25 of 25 days covered by obs)
NOAA Normal
2.89"
Departure from Normal
-1.43" : 50% of Normal
Year-To-Date: 8.82"
Jan 1 to Apr 25, 2026(115 of 115 days covered by obs)
NOAA Normal
12.35"
Departure from Normal
-3.53" : 71% of Normal
Water Year-To-Date: 13.45"
Oct 1, 2025 to Apr 25, 2026(205 of 207 days covered by obs)
NOAA Normal
22.75"
Departure from Normal
-9.30" : 59% 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
3.89
-0.10
Apr
3.47
3.39
0.08
May
4.37
4.35
0.02
Jun
4.29
4.39
-0.10
Jul
4.31
4.25
0.06
Aug
3.66
3.82
-0.16
Sep
4.29
4.36
-0.07
Oct
3.66
3.91
-0.25
Nov
3.20
3.28
-0.08
Dec
3.54
3.71
-0.17
44.25
45.13
-0.88