Viewing Station: OH-PN-16 : Ottawa 1.2 ENE
Apr 10, 2024 - Sep 18, 2026586 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.31"
September 1-22, 2026(18 of 22 days covered by obs)
NOAA Normal
2.05"
Departure from Normal
-0.74" : 64% of Normal
Year-To-Date: 28.05"
Jan 1 to Sep 22, 2026(179 of 265 days covered by obs)
NOAA Normal
28.29"
Departure from Normal
-0.24" : 99% of Normal
Water Year-To-Date: 31.05"
Oct 1, 2025 to Sep 22, 2026(229 of 357 days covered by obs)
NOAA Normal
36.27"
Departure from Normal
-5.22" : 86% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.37
2.54
-0.17
Feb
2.10
2.14
-0.04
Mar
2.47
2.55
-0.08
Apr
3.56
3.62
-0.06
May
4.12
4.19
-0.07
Jun
3.98
4.02
-0.04
Jul
4.11
4.12
-0.01
Aug
3.53
3.46
0.07
Sep
2.80
2.88
-0.08
Oct
2.76
2.73
0.03
Nov
2.79
2.79
0.00
Dec
2.43
2.40
0.03
37.02
37.44
-0.42