Viewing Station: MD-AA-51 : Severn 1.5 SSW
Nov 10, 2011 - May 30, 20264,626 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.64"
May 1-30, 2026(29 of 30 days covered by obs)
NOAA Normal
3.88"
Departure from Normal
0.76" : 120% of Normal
Year-To-Date: 15.09"
Jan 1 to May 30, 2026(141 of 150 days covered by obs)
NOAA Normal
17.06"
Departure from Normal
-1.97" : 88% of Normal
Water Year-To-Date: 21.10"
Oct 1, 2025 to May 30, 2026(228 of 242 days covered by obs)
NOAA Normal
27.95"
Departure from Normal
-6.85" : 75% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.04
3.13
-0.09
Feb
2.70
2.85
-0.15
Mar
3.98
4.06
-0.08
Apr
3.46
3.52
-0.06
May
4.01
4.25
-0.24
Jun
4.23
4.20
0.03
Jul
4.47
4.50
-0.03
Aug
4.31
4.11
0.20
Sep
4.44
4.50
-0.06
Oct
4.02
4.15
-0.13
Nov
3.16
3.24
-0.08
Dec
3.71
3.91
-0.20
45.53
46.42
-0.89