Viewing Station: VA-RN-20 : Roanoke 3.4 SW
Jun 27, 2019 - May 20, 20262,494 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.22"
May 1-20, 2026(20 of 20 days covered by obs)
NOAA Normal
2.83"
Departure from Normal
-1.61" : 43% of Normal
Year-To-Date: 9.18"
Jan 1 to May 20, 2026(140 of 140 days covered by obs)
NOAA Normal
16.12"
Departure from Normal
-6.94" : 57% of Normal
Water Year-To-Date: 13.07"
Oct 1, 2025 to May 20, 2026(230 of 232 days covered by obs)
NOAA Normal
25.73"
Departure from Normal
-12.66" : 51% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.30
3.19
0.11
Feb
2.81
2.86
-0.05
Mar
3.62
3.62
0.00
Apr
3.56
3.72
-0.16
May
4.39
4.52
-0.13
Jun
4.62
4.62
0.00
Jul
4.29
4.11
0.18
Aug
3.67
3.70
-0.03
Sep
4.23
4.52
-0.29
Oct
3.22
3.48
-0.26
Nov
3.11
3.03
0.08
Dec
3.28
3.36
-0.08
44.10
44.73
-0.63