Viewing Station: CO-BO-230 : Boulder 6.8 WNW
Jul 8, 2011 - May 6, 20263,547 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.83"
May 1-6, 2026(5 of 6 days covered by obs)
NOAA Normal
0.51"
Departure from Normal
1.32" : 358% of Normal
Year-To-Date: 4.61"
Jan 1 to May 6, 2026(113 of 126 days covered by obs)
NOAA Normal
5.42"
Departure from Normal
-0.81" : 85% of Normal
Water Year-To-Date: 6.09"
Oct 1, 2025 to May 6, 2026(201 of 218 days covered by obs)
NOAA Normal
7.80"
Departure from Normal
-1.71" : 78% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.51
0.72
-0.21
Feb
0.74
0.97
-0.23
Mar
1.37
1.97
-0.60
Apr
2.29
2.92
-0.63
May
2.64
3.15
-0.51
Jun
1.89
2.08
-0.19
Jul
2.14
2.18
-0.04
Aug
1.95
1.95
0.00
Sep
1.55
2.21
-0.66
Oct
1.13
1.38
-0.25
Nov
0.78
0.92
-0.14
Dec
0.47
0.79
-0.32
17.46
21.24
-3.78