Viewing Station: MD-MG-137 : Silver Spring 4.2 N
Aug 8, 2020 - Sep 10, 20261,951 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.27"
September 1-10, 2026(10 of 10 days covered by obs)
NOAA Normal
1.44"
Departure from Normal
-1.17" : 19% of Normal
Year-To-Date: 27.63"
Jan 1 to Sep 10, 2026(252 of 253 days covered by obs)
NOAA Normal
31.26"
Departure from Normal
-3.63" : 88% of Normal
Water Year-To-Date: 32.64"
Oct 1, 2025 to Sep 10, 2026(344 of 345 days covered by obs)
NOAA Normal
41.92"
Departure from Normal
-9.28" : 78% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.99
3.06
-0.07
Feb
2.63
2.71
-0.08
Mar
3.79
3.88
-0.09
Apr
3.45
3.41
0.04
May
4.26
4.35
-0.09
Jun
4.30
4.32
-0.02
Jul
4.51
4.38
0.13
Aug
3.89
3.81
0.08
Sep
4.31
4.40
-0.09
Oct
3.88
3.97
-0.09
Nov
3.10
3.19
-0.09
Dec
3.68
3.71
-0.03
44.79
45.19
-0.40