Viewing Station: OR-WS-127 : Beaverton 1.5 S
May 18, 2017 - Sep 20, 20262,870 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.92"
September 1-21, 2026(20 of 21 days covered by obs)
NOAA Normal
1.02"
Departure from Normal
-0.10" : 90% of Normal
Year-To-Date: 20.13"
Jan 1 to Sep 21, 2026(261 of 264 days covered by obs)
NOAA Normal
23.53"
Departure from Normal
-3.40" : 86% of Normal
Water Year-To-Date: 38.76"
Oct 1, 2025 to Sep 21, 2026(353 of 356 days covered by obs)
NOAA Normal
40.28"
Departure from Normal
-1.52" : 96% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
5.89
5.98
-0.09
Feb
4.38
4.41
-0.03
Mar
4.35
4.36
-0.01
Apr
3.19
3.30
-0.11
May
2.29
2.31
-0.02
Jun
1.48
1.57
-0.09
Jul
0.40
0.40
0.00
Aug
0.53
0.49
0.04
Sep
1.46
1.46
0.00
Oct
3.65
3.63
0.02
Nov
6.13
6.30
-0.17
Dec
6.97
7.15
-0.18
40.72
41.36
-0.64