Viewing Station: MD-MG-56 : Rockville 4.8 NE
Jul 8, 2009 - Sep 8, 2011188 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
June 1-10, 2026(0 of 10 days covered by obs)
NOAA Normal
1.43"
Departure from Normal
-1.43" : 0% of Normal
Year-To-Date: 0.00"
Jan 1 to Jun 10, 2026(0 of 161 days covered by obs)
NOAA Normal
18.76"
Departure from Normal
-18.76" : 0% of Normal
Water Year-To-Date: 0.00"
Oct 1, 2025 to Jun 10, 2026(0 of 253 days covered by obs)
NOAA Normal
29.48"
Departure from Normal
-29.48" : 0% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.04
3.06
-0.02
Feb
2.65
2.71
-0.06
Mar
3.79
3.86
-0.07
Apr
3.49
3.41
0.08
May
4.36
4.36
0.00
Jun
4.28
4.24
0.04
Jul
4.42
4.29
0.13
Aug
3.84
3.77
0.07
Sep
4.30
4.33
-0.03
Oct
3.85
3.94
-0.09
Nov
3.21
3.22
-0.01
Dec
3.66
3.72
-0.06
44.89
44.91
-0.02