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Viewing Station:
CO-BO-521 : Boulder 1.4 W
Dec 30, 2019 - Aug 13, 2025
1,781 Total Observations
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Station Overview
Climatology
Precip Summary
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Station Overview
Climatology
Precip Summary
Year-Over-Year
Precip Calendar
Precip Distribution
Obs Calendar
Obs Tables
Observation Data Tables
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Date Range to Display
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Daily Precip
161
Multi-day Precip
3
Significant Weather
0
Hail
0
Condition Monitoring
0
Map
Obs Date
Obs Time
Gauge Catch (in)
Snowfall (in)
Snowpack (in)
Flooding
Notes
Depth
SWE
Depth
SWE
2025-08-13
7:00 AM
0.00
0.0
NA
NA
NA
2025-08-12
7:00 AM
0.00
0.0
NA
NA
NA
2025-08-11
7:00 AM
0.00
0.0
NA
NA
NA
2025-08-07
7:00 AM
0.00
0.0
NA
NA
NA
2025-08-06
7:00 AM
0.00
0.0
NA
NA
NA
2025-08-05
7:00 AM
0.00
0.0
NA
NA
NA
2025-08-04
7:00 AM
T
NA
NA
NA
NA
2025-08-03
7:00 AM
0.01
NA
NA
NA
NA
2025-07-30
7:00 AM
T
NA
NA
NA
NA
2025-07-29
7:00 AM
0.00
0.0
NA
NA
NA
2025-07-28
7:00 AM
0.00
0.0
NA
NA
NA
2025-07-27
7:00 AM
0.02
NA
NA
NA
NA
2025-07-26
7:00 AM
T
NA
NA
NA
NA
2025-07-25
7:00 AM
T
NA
NA
NA
NA
2025-07-24
7:00 AM
T
NA
NA
NA
NA
2025-07-23
7:00 AM
T
NA
NA
NA
NA
2025-07-22
7:00 AM
0.00
0.0
NA
NA
NA
2025-07-21
7:00 AM
0.00
0.0
NA
NA
NA
2025-07-20
7:00 AM
0.00
0.0
NA
NA
NA
2025-07-19
7:00 AM
0.32
NA
NA
NA
NA
2025-07-18
7:00 AM
0.00
0.0
NA
NA
NA
2025-07-17
7:00 AM
0.40
NA
NA
NA
NA
2025-07-15
7:00 AM
T
NA
NA
NA
NA
2025-07-14
7:00 AM
0.36
NA
NA
NA
NA
1/8" hail for a short period of time
2025-07-13
7:00 AM
0.00
0.0
NA
NA
NA
2025-07-12
7:00 AM
0.19
NA
NA
NA
NA
2025-07-11
7:00 AM
T
NA
NA
NA
NA
2025-07-09
7:00 AM
0.00
0.0
NA
NA
NA
2025-07-08
7:00 AM
T
NA
NA
NA
NA
2025-07-07
7:00 AM
T
NA
NA
NA
NA
2025-07-06
7:00 AM
T
NA
NA
NA
NA
2025-07-05
7:00 AM
0.03
NA
NA
NA
NA
2025-07-03
7:00 AM
0.00
0.0
NA
NA
NA
2025-07-02
7:00 AM
T
NA
NA
NA
NA
2025-07-01
7:00 AM
0.00
0.0
NA
NA
NA
2025-06-30
7:00 AM
0.03
NA
NA
NA
NA
2025-06-29
7:00 AM
0.00
0.0
NA
NA
NA
2025-06-28
7:00 AM
0.00
0.0
NA
NA
NA
2025-06-27
7:00 AM
0.00
0.0
NA
NA
NA
2025-06-26
7:00 AM
T
NA
NA
NA
NA
2025-06-25
7:00 AM
0.14
NA
NA
NA
NA
2025-06-24
7:00 AM
0.09
NA
NA
NA
NA
2025-06-23
7:00 AM
0.00
0.0
NA
NA
NA
2025-06-22
7:00 AM
0.00
0.0
NA
NA
NA
2025-06-21
7:00 AM
0.00
0.0
NA
NA
NA
2025-06-20
7:00 AM
0.00
0.0
NA
NA
NA
2025-06-19
7:00 AM
0.00
0.0
NA
NA
NA
2025-06-18
7:00 AM
0.09
NA
NA
NA
NA
2025-06-17
7:00 AM
0.01
NA
NA
NA
NA
Large but sparse hail
2025-06-16
7:00 AM
0.00
0.0
NA
NA
NA
2025-06-15
7:00 AM
0.00
0.0
NA
NA
NA
2025-06-14
7:00 AM
0.00
0.0
NA
NA
NA
2025-06-13
7:00 AM
0.02
NA
NA
NA
NA
2025-06-12
7:00 AM
T
NA
NA
NA
NA
2025-06-11
7:00 AM
T
NA
NA
NA
NA
2025-06-10
7:00 AM
0.00
0.0
NA
NA
NA
2025-06-06
7:00 AM
0.05
NA
NA
NA
NA
2025-06-05
7:00 AM
0.03
NA
NA
NA
NA
2025-06-04
7:00 AM
0.15
NA
NA
NA
NA
2025-05-20
7:00 AM
0.01
NA
NA
NA
NA
2025-05-19
7:00 AM
0.13
NA
NA
NA
NA
2025-05-18
7:00 AM
T
NA
NA
NA
NA
2025-05-16
7:00 AM
T
NA
NA
NA
NA
2025-05-15
7:00 AM
0.37
NA
NA
NA
NA
Lots of pollen in the guage
2025-05-11
7:00 AM
0.00
0.0
NA
NA
NA
2025-05-10
7:00 AM
0.00
0.0
NA
NA
NA
2025-05-09
7:00 AM
0.00
0.0
NA
NA
NA
2025-05-08
7:00 AM
0.26
NA
NA
NA
NA
2025-05-07
7:00 AM
1.19
NA
NA
NA
NA
2025-05-05
7:00 AM
0.00
0.0
NA
NA
NA
2025-05-03
7:00 AM
0.00
0.0
NA
NA
NA
2025-05-02
7:00 AM
0.11
NA
NA
NA
NA
2025-05-01
7:00 AM
0.15
NA
NA
NA
NA
2025-04-30
7:00 AM
0.00
0.0
NA
NA
NA
2025-04-29
7:00 AM
0.00
0.0
NA
NA
NA
2025-04-28
7:00 AM
0.00
0.0
NA
NA
NA
2025-04-27
7:00 AM
0.00
0.0
NA
NA
NA
2025-04-26
7:00 AM
0.16
NA
NA
NA
NA
2025-04-25
7:00 AM
0.04
NA
NA
NA
NA
2025-04-24
7:00 AM
0.00
0.0
NA
NA
NA
2025-04-23
7:00 AM
0.00
0.0
NA
NA
NA
2025-04-22
7:00 AM
T
0.0
NA
NA
NA
2025-04-21
7:00 AM
0.00
0.0
NA
NA
NA
2025-04-20
7:00 AM
0.00
0.0
NA
0.0
NA
2025-04-19
7:00 AM
0.58
3.0
NA
6.0
0.92
2025-04-18
7:00 AM
0.51
3.5
NA
NA
NA
2025-04-17
7:00 AM
0.00
0.0
NA
NA
NA
2025-04-16
7:00 AM
0.00
0.0
NA
NA
NA
2025-04-15
7:00 AM
0.00
0.0
NA
NA
NA
2025-04-14
7:00 AM
0.24
T
NA
NA
NA
2025-04-13
7:00 AM
0.00
0.0
NA
NA
NA
2025-04-12
7:00 AM
0.00
0.0
NA
NA
NA
2025-04-11
7:00 AM
0.00
0.0
NA
NA
NA
2025-04-10
7:00 AM
0.00
0.0
NA
NA
NA
2025-04-09
7:00 AM
0.00
0.0
NA
NA
NA
2025-04-08
7:00 AM
0.00
0.0
NA
NA
NA
2025-04-06
7:00 AM
T
T
NA
NA
NA
2025-04-05
7:00 AM
0.14
0.7
NA
T
NA
2025-04-04
7:00 AM
0.03
T
NA
NA
NA
2025-04-03
7:00 AM
0.00
0.0
NA
NA
NA
2025-04-02
7:00 AM
0.00
0.0
NA
NA
NA
2025-04-01
7:00 AM
0.00
0.0
NA
NA
NA
2025-03-31
7:00 AM
0.04
NA
NA
NA
NA
2025-03-30
7:00 AM
1.19
T
NA
T
NA
Hail at 5 pm and snow after midnight
2025-03-29
7:00 AM
0.29
NA
NA
NA
NA
2025-03-28
7:00 AM
0.00
0.0
NA
NA
NA
2025-03-27
7:00 AM
0.00
0.0
NA
NA
NA
2025-03-26
7:00 AM
0.00
0.0
NA
NA
NA
2025-03-25
7:00 AM
0.00
0.0
NA
NA
NA
2025-03-23
7:00 AM
0.00
0.0
NA
NA
NA
2025-03-22
7:00 AM
0.00
0.0
NA
NA
NA
2025-03-21
7:00 AM
0.00
0.0
NA
NA
NA
2025-03-20
7:00 AM
0.00
0.0
NA
NA
NA
2025-03-19
7:00 AM
T
0.0
NA
NA
NA
2025-03-18
7:00 AM
0.00
0.0
NA
NA
NA
2025-03-17
7:00 AM
0.00
0.0
NA
NA
NA
2025-03-15
7:00 AM
0.00
0.0
NA
NA
NA
2025-03-14
7:00 AM
0.00
0.0
NA
NA
NA
2025-03-13
7:00 AM
0.00
0.0
NA
NA
NA
2025-03-12
7:00 AM
0.00
0.0
NA
NA
NA
2025-03-11
7:00 AM
0.00
0.0
NA
NA
NA
2025-03-10
7:00 AM
0.00
0.0
NA
NA
NA
2025-03-08
7:00 AM
0.01
NA
NA
0.0
NA
2025-03-07
7:00 AM
0.09
0.2
NA
NA
NA
2025-03-06
7:00 AM
0.06
NA
NA
NA
NA
2025-02-13
7:00 AM
0.02
NA
NA
1.5
0.25
2025-02-12
7:00 AM
0.19
2.8
NA
NA
NA
2025-02-11
7:00 AM
0.01
0.6
NA
NA
NA
2025-02-10
7:00 AM
0.00
0.0
NA
NA
NA
2025-02-09
7:00 AM
0.02
0.1
NA
NA
NA
2025-02-08
7:00 AM
0.00
0.0
NA
NA
NA
2025-02-03
7:00 AM
0.00
0.0
NA
0.0
NA
2025-02-02
7:00 AM
0.00
0.0
NA
NA
NA
2025-02-01
7:00 AM
0.00
0.0
NA
NA
NA
2025-01-28
7:00 AM
0.00
0.0
NA
7.0
1.12
2025-01-27
7:00 AM
0.00
0.0
NA
8.0
1.11
2025-01-26
7:00 AM
0.33
8.5
NA
11.5
1.07
2025-01-25
7:00 AM
0.22
3.0
NA
6.0
0.87
2025-01-24
7:00 AM
0.00
0.0
NA
3.5
0.59
2025-01-23
7:00 AM
0.00
0.0
NA
4.0
0.67
2025-01-22
7:00 AM
0.00
0.0
0.00
7.0
0.80
2025-01-21
7:00 AM
0.00
0.0
NA
8.0
0.88
2025-01-20
7:00 AM
0.16
1.0
0.16
9.0
0.85
2025-01-19
7:00 AM
NA
1.0
0.11
10.0
0.72
2025-01-18
7:00 AM
0.57
11.0
0.57
NA
NA
2025-01-17
7:00 AM
0.00
0.0
NA
NA
NA
2025-01-16
7:00 AM
0.00
0.0
NA
NA
NA
2025-01-15
7:00 AM
0.00
0.0
NA
NA
NA
2025-01-14
7:00 AM
0.00
0.0
NA
NA
NA
2025-01-12
7:00 AM
0.00
0.0
NA
NA
NA
2025-01-11
7:00 AM
0.00
0.0
NA
0.0
0.00
2025-01-10
7:00 AM
0.00
0.0
0.00
1.0
0.16
2025-01-09
7:00 AM
0.00
0.0
NA
NA
NA
2025-01-08
7:00 AM
0.11
1.0
0.11
2.0
0.28
2025-01-07
7:00 AM
0.11
2.0
0.11
2.0
0.12
2025-01-06
7:00 AM
0.00
0.0
NA
NA
NA
2025-01-05
7:00 AM
T
NA
NA
NA
NA
2025-01-04
7:00 AM
0.00
0.0
NA
NA
NA
2025-01-03
7:00 AM
0.00
0.0
NA
NA
NA
2025-01-02
7:00 AM
0.00
0.0
NA
NA
NA
2025-01-01
7:00 AM
0.00
0.0
NA
NA
NA