Viewing Station: MD-MG-137 : Silver Spring 4.2 N
Aug 8, 2020 - Apr 15, 20261,819 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.64"
April 1-17, 2026(10 of 17 days covered by obs)
NOAA Normal
1.96"
Departure from Normal
-1.31" : 33% of Normal
Year-To-Date: 9.46"
Jan 1 to Apr 17, 2026(99 of 107 days covered by obs)
NOAA Normal
11.37"
Departure from Normal
-1.91" : 83% of Normal
Water Year-To-Date: 14.47"
Oct 1, 2025 to Apr 17, 2026(191 of 199 days covered by obs)
NOAA Normal
22.02"
Departure from Normal
-7.55" : 66% 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