Viewing Station: MD-MG-139 : Rockville 3.2 E
May 14, 2021 - Nov 15, 20241,164 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
October 1-28, 2025(0 of 28 days covered by obs)
NOAA Normal
3.45"
Departure from Normal
-3.45" : 0% of Normal
Year-To-Date: 0.00"
Jan 1 to Oct 28, 2025(0 of 301 days covered by obs)
NOAA Normal
37.33"
Departure from Normal
-37.33" : 0% of Normal
Water Year-To-Date: 0.00"
Oct 1, 2025 to Oct 28, 2025(0 of 28 days covered by obs)
NOAA Normal
3.45"
Departure from Normal
-3.45" : 0% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.00
3.04
-0.04
Feb
2.64
2.69
-0.05
Mar
3.75
3.84
-0.09
Apr
3.43
3.39
0.04
May
4.29
4.36
-0.07
Jun
4.28
4.26
0.02
Jul
4.44
4.35
0.09
Aug
3.77
3.78
-0.01
Sep
4.28
4.36
-0.08
Oct
3.82
3.93
-0.11
Nov
3.13
3.19
-0.06
Dec
3.64
3.68
-0.04
44.47
44.87
-0.40