Viewing Station: OR-WS-138 : Hillsboro 1.3 E
Feb 24, 2019 - May 30, 20262,141 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.73"
May 1-31, 2026(25 of 31 days covered by obs)
NOAA Normal
2.14"
Departure from Normal
-1.41" : 34% of Normal
Year-To-Date: 16.91"
Jan 1 to May 31, 2026(139 of 151 days covered by obs)
NOAA Normal
19.14"
Departure from Normal
-2.23" : 88% of Normal
Water Year-To-Date: 29.11"
Oct 1, 2025 to May 31, 2026(219 of 243 days covered by obs)
NOAA Normal
35.02"
Departure from Normal
-5.91" : 83% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
5.73
5.64
0.09
Feb
4.19
4.13
0.06
Mar
4.13
3.98
0.15
Apr
2.95
2.90
0.05
May
2.14
2.07
0.07
Jun
1.42
1.36
0.06
Jul
0.39
0.38
0.01
Aug
0.53
0.46
0.07
Sep
1.40
1.31
0.09
Oct
3.36
3.26
0.10
Nov
5.81
5.90
-0.09
Dec
6.71
7.10
-0.39
38.76
38.49
0.27