Viewing Station: CO-BO-568 : Boulder 1.6 NW
Apr 10, 2022 - Sep 13, 20261,683 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.48"
September 1-13, 2026(13 of 13 days covered by obs)
NOAA Normal
0.66"
Departure from Normal
-0.18" : 72% of Normal
Year-To-Date: 9.32"
Jan 1 to Sep 13, 2026(256 of 256 days covered by obs)
NOAA Normal
14.52"
Departure from Normal
-5.20" : 64% of Normal
Water Year-To-Date: 10.76"
Oct 1, 2025 to Sep 13, 2026(348 of 348 days covered by obs)
NOAA Normal
17.53"
Departure from Normal
-6.77" : 61% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.65
0.65
0.00
Feb
0.85
0.86
-0.01
Mar
1.74
1.78
-0.04
Apr
2.56
2.66
-0.10
May
2.76
3.00
-0.24
Jun
1.86
1.97
-0.11
Jul
1.77
1.67
0.10
Aug
1.67
1.58
0.09
Sep
1.53
2.02
-0.49
Oct
1.36
1.55
-0.19
Nov
1.00
0.95
0.05
Dec
0.65
0.71
-0.06
18.40
19.40
-1.00