Viewing Station: OR-CB-17 : St. Helens 0.6 N
Dec 27, 2012 - May 15, 20181,388 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
June 1-9, 2026(0 of 9 days covered by obs)
NOAA Normal
0.49"
Departure from Normal
-0.49" : 0% of Normal
Year-To-Date: 0.00"
Jan 1 to Jun 9, 2026(0 of 160 days covered by obs)
NOAA Normal
21.42"
Departure from Normal
-21.42" : 0% of Normal
Water Year-To-Date: 0.00"
Oct 1, 2025 to Jun 9, 2026(0 of 252 days covered by obs)
NOAA Normal
38.43"
Departure from Normal
-38.43" : 0% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
6.09
6.40
-0.31
Feb
4.43
4.70
-0.27
Mar
4.47
4.70
-0.23
Apr
3.46
3.81
-0.35
May
2.48
2.69
-0.21
Jun
1.64
1.85
-0.21
Jul
0.47
0.52
-0.05
Aug
0.62
0.69
-0.07
Sep
1.64
1.73
-0.09
Oct
3.65
3.85
-0.20
Nov
6.35
6.90
-0.55
Dec
7.01
7.47
-0.46
42.31
45.31
-3.00