Station Overview Station Location
Station Number CO-BO-290 Latitude 40.0176745
Station Name Lafayette 2.3 NW Longitude -105.1287757
County Boulder Elevation (ft) 5264



Month 30 Yr Avg by PRISM Total Prcp Sum Days Covered By All Observations Daily Prcp Sum Daily Observation Count Multiday Prcp Sum Days Covered by Multiday Observations Multiday Observation Count Days With Prcp Days With Trace Total Snowfall Days With Snowfall Days With Snow On Ground
Oct 18 1.16 1.78 31 1.78 23 0.00 8 1 11 0 5.0 1 2
Nov 18 0.87 0.64 30 0.64 30 0.00 0 0 6 2 10.6 4 6
Dec 18 0.69 0.05 31 0.05 31 0.00 0 0 3 1 0.7 2 2
Jan 19 0.46 1.58 31 1.58 31 0.00 0 0 9 0 8.6 5 9
Feb 19 0.46 0.34 28 0.18 21 0.16 7 1 5 3 1.5 5 5
March 19 1.58 1.94 31 1.94 31 0.00 0 0 7 1 8.5 5 9
April 19 1.86 1.17 29 1.17 29 0.00 0 0 4 3 4.0 2 1
May 19 2.11 2.26 31 2.26 31 0.00 0 0 16 1 5.4 2 1
June 19 1.63 1.83 30 0.53 14 1.30 16 1 6 0 0.0 0 0
July 19 1.51 2.90 31 2.90 31 0.00 0 0 12 3 0.0 0 0
Aug 19 1.45 0.72 31 0.72 31 0.00 0 0 4 1 0.0 0 0
Sept 19 1.48 0.28 30 0.28 30 0.00 0 0 4 0 0.0 0 0
Water Year Totals: 15.26" 15.49" 364 days 14.03" 333 1.46" 31 days 3 87 days 15 days 44.3" 26 days 35 days



Days in Water Year Cell Color Key
        Daily Observation with Prcp         Missing Day
        Multiday Observation         Daily/Multiday Observation Conflict

Day of Year Daily Prcp Multiday Prcp
10/1/2018 0.00
10/2/2018 0.00
10/3/2018 0.00
10/4/2018 0.03
10/5/2018 0.09
10/6/2018 0.32
10/7/2018 0.02
10/8/2018 0.36
10/9/2018 0.13
10/10/2018 0.04
10/11/2018 0.06
10/12/2018 0.00
10/13/2018 0.00
10/14/2018 0.47
10/15/2018 0.06
10/16/2018 0.00
10/17/2018 0.00
10/18/2018 0.00
10/19/2018 **
10/20/2018 **
10/21/2018 **
10/22/2018 **
10/23/2018 **
10/24/2018 **
10/25/2018 **
10/26/2018 0.00
10/27/2018 0.00
10/28/2018 0.00
10/29/2018 0.00
10/30/2018 0.00
10/31/2018 0.20
11/1/2018 0.00
11/2/2018 0.00
11/3/2018 0.02
11/4/2018 T
11/5/2018 0.00
11/6/2018 0.00
11/7/2018 0.00
11/8/2018 0.00
11/9/2018 0.00
11/10/2018 0.00
11/11/2018 0.23
11/12/2018 0.20
11/13/2018 T
11/14/2018 0.00
11/15/2018 0.00
11/16/2018 0.00
11/17/2018 0.02
11/18/2018 0.15
11/19/2018 0.00
11/20/2018 0.00
11/21/2018 0.00
11/22/2018 0.00
11/23/2018 0.00
11/24/2018 0.00
11/25/2018 0.02
11/26/2018 0.00
11/27/2018 0.00
11/28/2018 0.00
11/29/2018 0.00
11/30/2018 0.00
12/1/2018 0.01
12/2/2018 0.00
12/3/2018 0.03
12/4/2018 0.00
12/5/2018 0.00
12/6/2018 0.01
12/7/2018 0.00
12/8/2018 0.00
12/9/2018 0.00
12/10/2018 0.00
12/11/2018 0.00
12/12/2018 0.00
12/13/2018 0.00
12/14/2018 0.00
12/15/2018 0.00
12/16/2018 0.00
12/17/2018 0.00
12/18/2018 0.00
12/19/2018 0.00
12/20/2018 0.00
12/21/2018 0.00
12/22/2018 0.00
12/23/2018 0.00
12/24/2018 0.00
12/25/2018 0.00
12/26/2018 0.00
12/27/2018 T
12/28/2018 0.00
12/29/2018 0.00
12/30/2018 0.00
12/31/2018 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2019 0.10
1/2/2019 0.00
1/3/2019 0.00
1/4/2019 0.00
1/5/2019 0.00
1/6/2019 0.00
1/7/2019 0.00
1/8/2019 0.00
1/9/2019 0.00
1/10/2019 0.00
1/11/2019 0.04
1/12/2019 0.63
1/13/2019 0.00
1/14/2019 0.00
1/15/2019 0.00
1/16/2019 0.00
1/17/2019 0.00
1/18/2019 0.00
1/19/2019 0.31
1/20/2019 0.00
1/21/2019 0.00
1/22/2019 0.01
1/23/2019 0.00
1/24/2019 0.01
1/25/2019 0.19
1/26/2019 0.00
1/27/2019 0.00
1/28/2019 0.20
1/29/2019 0.09
1/30/2019 0.00
1/31/2019 0.00
2/1/2019 0.00
2/2/2019 0.00
2/3/2019 0.00
2/4/2019 0.00
2/5/2019 0.00
2/6/2019 **
2/7/2019 **
2/8/2019 **
2/9/2019 **
2/10/2019 **
2/11/2019 **
2/12/2019 0.16
2/13/2019 0.00
2/14/2019 0.00
2/15/2019 0.00
2/16/2019 0.00
2/17/2019 0.02
2/18/2019 0.01
2/19/2019 0.01
2/20/2019 0.01
2/21/2019 0.00
2/22/2019 T
2/23/2019 0.13
2/24/2019 0.00
2/25/2019 0.00
2/26/2019 T
2/27/2019 T
2/28/2019 0.00
3/1/2019 0.00
3/2/2019 0.05
3/3/2019 0.39
3/4/2019 0.05
3/5/2019 0.00
3/6/2019 0.00
3/7/2019 T
3/8/2019 0.00
3/9/2019 0.00
3/10/2019 0.00
3/11/2019 0.00
3/12/2019 0.00
3/13/2019 0.13
3/14/2019 1.00
3/15/2019 0.00
3/16/2019 0.00
3/17/2019 0.00
3/18/2019 0.00
3/19/2019 0.00
3/20/2019 0.00
3/21/2019 0.00
3/22/2019 0.00
3/23/2019 0.00
3/24/2019 0.00
3/25/2019 0.00
3/26/2019 0.00
3/27/2019 0.00
3/28/2019 0.00
3/29/2019 0.04
3/30/2019 0.28
3/31/2019 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2019 0.00
4/2/2019 0.00
4/3/2019 0.00
4/4/2019 0.00
4/5/2019 0.00
4/6/2019 0.00
4/7/2019 0.00
4/8/2019 0.00
4/9/2019 0.00
4/10/2019 T
4/11/2019 0.53
4/12/2019 0.00
4/13/2019 0.10
4/14/2019 0.00
4/15/2019 0.00
4/16/2019 0.00
4/17/2019 0.00
4/18/2019 T
4/19/2019 0.00
4/20/2019 0.00
4/21/2019 0.00
4/22/2019 0.17
4/23/2019 T
4/24/2019 0.00
4/25/2019 0.00
4/26/2019 0.00
4/27/2019 0.00
4/28/2019
4/29/2019 0.00
4/30/2019 0.37
5/1/2019 0.10
5/2/2019 0.05
5/3/2019 0.00
5/4/2019 0.00
5/5/2019 0.00
5/6/2019 0.00
5/7/2019 0.16
5/8/2019 0.08
5/9/2019 0.39
5/10/2019 0.14
5/11/2019 0.00
5/12/2019 0.00
5/13/2019 0.00
5/14/2019 0.00
5/15/2019 0.00
5/16/2019 0.00
5/17/2019 T
5/18/2019 0.05
5/19/2019 0.02
5/20/2019 0.06
5/21/2019 0.78
5/22/2019 0.02
5/23/2019 0.13
5/24/2019 0.05
5/25/2019 0.00
5/26/2019 0.00
5/27/2019 0.01
5/28/2019 0.14
5/29/2019 0.08
5/30/2019 0.00
5/31/2019 0.00
6/1/2019 0.01
6/2/2019 0.00
6/3/2019 0.02
6/4/2019 0.00
6/5/2019 0.00
6/6/2019 0.24
6/7/2019 0.00
6/8/2019 0.02
6/9/2019 0.23
6/10/2019 0.01
6/11/2019 0.00
6/12/2019 **
6/13/2019 **
6/14/2019 **
6/15/2019 **
6/16/2019 **
6/17/2019 **
6/18/2019 **
6/19/2019 **
6/20/2019 **
6/21/2019 **
6/22/2019 **
6/23/2019 **
6/24/2019 **
6/25/2019 **
6/26/2019 **
6/27/2019 1.30
6/28/2019 0.00
6/29/2019 0.00
6/30/2019 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2019 0.06
7/2/2019 0.44
7/3/2019 0.00
7/4/2019 0.00
7/5/2019 0.28
7/6/2019 0.91
7/7/2019 0.00
7/8/2019 0.64
7/9/2019 0.00
7/10/2019 0.00
7/11/2019 0.00
7/12/2019 0.00
7/13/2019 0.00
7/14/2019 T
7/15/2019 T
7/16/2019 0.01
7/17/2019 0.01
7/18/2019 0.00
7/19/2019 0.00
7/20/2019 0.00
7/21/2019 0.15
7/22/2019 0.29
7/23/2019 0.01
7/24/2019 0.00
7/25/2019 0.05
7/26/2019 0.00
7/27/2019 0.00
7/28/2019 T
7/29/2019 0.00
7/30/2019 0.00
7/31/2019 0.05
8/1/2019 0.00
8/2/2019 0.09
8/3/2019 0.00
8/4/2019 0.00
8/5/2019 0.00
8/6/2019 0.05
8/7/2019 0.00
8/8/2019 0.51
8/9/2019 0.07
8/10/2019 0.00
8/11/2019 0.00
8/12/2019 T
8/13/2019 0.00
8/14/2019 0.00
8/15/2019 0.00
8/16/2019 0.00
8/17/2019 0.00
8/18/2019 0.00
8/19/2019 0.00
8/20/2019 0.00
8/21/2019 0.00
8/22/2019 0.00
8/23/2019 0.00
8/24/2019 0.00
8/25/2019 0.00
8/26/2019 0.00
8/27/2019 0.00
8/28/2019 0.00
8/29/2019 0.00
8/30/2019 0.00
8/31/2019 0.00
9/1/2019 0.00
9/2/2019 0.00
9/3/2019 0.00
9/4/2019 0.00
9/5/2019 0.00
9/6/2019 0.00
9/7/2019 0.01
9/8/2019 0.00
9/9/2019 0.15
9/10/2019 0.00
9/11/2019 0.00
9/12/2019 0.06
9/13/2019 0.00
9/14/2019 0.00
9/15/2019 0.00
9/16/2019 0.00
9/17/2019 0.00
9/18/2019 0.00
9/19/2019 0.00
9/20/2019 0.00
9/21/2019 0.00
9/22/2019 0.00
9/23/2019 0.00
9/24/2019 0.00
9/25/2019 0.00
9/26/2019 0.00
9/27/2019 0.00
9/28/2019 0.06
9/29/2019 0.00
9/30/2019 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2018 7:00 AM 0.00 0.0 M M M Temperature range: 47-59 A light mist fell on the car's windshield about 8 am but no moisture in the rain gauge.
10/2/2018 7:00 AM 0.00 0.0 M M M Temperature range: 50-66
10/3/2018 7:00 AM 0.00 0.0 M M M Temperature range: 53-80
10/4/2018 7:00 AM 0.03 M M M M Temperature range: 51-85 Rain fell about 9:30 pm. Don't know how long it lasted.
10/5/2018 7:00 AM 0.09 M M M M Temperature range: 44-62 Rain fell in the early afternoon- about 1:30 pm
10/6/2018 7:00 AM 0.32 M M M M Temperature range: 44-74 Rain started about 1:30 pm and lasted most of the afternoon.
10/7/2018 7:00 AM 0.02 M M M M Temperature range: 42-56 There were 0.02 inches of moisture in the rain gauge this morning but I don't know when it occurred.
10/8/2018 7:00 AM 0.36 M M M M Temperature range: 42-48 Rain started in the late afternoon (around 4:30 pm) and went into the night. Still had drops of moisture falling at 7 am.
10/9/2018 7:00 AM 0.13 M M M M Temperature range: 40-44 Drizzle and light rain most of the day and night
10/10/2018 7:00 AM 0.04 M M M M Temperature range: 38-43 Light rain and drizzle much of the day and night
10/11/2018 7:00 AM 0.06 M M M M Temperature range: 38-40 Drizzle (with snowflakes) most of the day
10/12/2018 7:00 AM 0.00 0.0 M M M Temperature range: 40-46
10/13/2018 7:00 AM 0.00 0.0 M M M temperature range: 41-64
10/14/2018 7:00 AM 0.47 5.0 0.47 5.0 0.47 Temperature range: 27-69 Snow started around 10 pm and snowed all through the night. Light snow at time of reading.
10/15/2018 7:00 AM 0.06 M M 4.0 M Temperature range: 26-38 Light snow all morning, ending about 2 pm. Average of 4 inches of new and old snow in the field.
10/16/2018 7:00 AM 0.00 0.0 M M M Temperature range: 27-50 Only patches of snow left in shady areas.
10/17/2018 7:00 AM 0.00 0.0 M M M Temperature range: 39-59
10/18/2018 7:00 AM 0.00 0.0 M M M Temperature range: 41-66
10/27/2018 7:00 AM 0.00 0.0 M M M Temperature range: 41-54
10/28/2018 7:00 AM 0.00 0.0 M M M Temperature range: 40-68
10/29/2018 7:00 AM 0.00 0.0 M M M Temperature range: 40-70
10/30/2018 7:00 AM 0.00 0.0 M M M Temperature range: 44-72
10/31/2018 7:00 AM 0.20 M M M M Temperature range: 37-47 Rain started at 2:06 pm and turned to light snow about 3:30 pm. Precipitation stopped sometime after 11 pm. Only a light dusting of snow on the cooler locations.
11/1/2018 7:00 AM 0.00 0.0 M M M Temperature range: 36-46
11/2/2018 7:00 AM 0.00 0.0 M M M Temperature range: 35-53
11/3/2018 7:00 AM 0.02 M M M M Temperature range: 35-58 Wind but little rain came through the area last night between 8 and 9 pm.
11/4/2018 7:00 AM T M M M M Temperature range: 32-52 Light drizzle fell several times in the morning but there was only a trace of moisture in the rain gauge.
11/5/2018 7:00 AM 0.00 0.0 M M M Temperature range: 32-58
11/6/2018 7:00 AM 0.00 0.0 M M M Temperature range: 33-52
11/7/2018 7:00 AM 0.00 0.0 M M M Temperature range: 31-51
11/8/2018 7:00 AM 0.00 0.0 M M M Temperature range: 30-45
11/9/2018 7:00 AM 0.00 0.0 M M M Temperature range: 22-44
11/10/2018 7:00 AM 0.00 0.0 M M M Temperature range: 21-41
11/11/2018 7:00 AM 0.23 4.0 0.20 4.0 0.20 Temperature range: 30-53 Snow started after midnight and continues this morning.
11/12/2018 7:00 AM 0.20 5.6 0.20 6.9 0.45 Temperature range: 25-35 Snow ended around 5 pm, then started snowing again during the night. Still snowing this morning.
11/13/2018 7:00 AM T 0.0 0.00 3.6 0.38 Temperature range: 22-31 Snow flurries in the morning ending at about 9 am. No new accumulation.
11/14/2018 7:00 AM 0.00 0.0 0.00 1.0 0.21 Temperature range: 27-42
11/15/2018 7:00 AM 0.00 0.0 M M M Temperature range: 32-51
11/16/2018 7:00 AM 0.00 0.0 M M M Temperature range: 32-54
11/17/2018 7:00 AM 0.02 M M M M Temperature range: 38+56 Light rain early in the am. Started about 5 am?
11/18/2018 7:00 AM 0.15 0.8 0.13 0.8 0.13 Temperature range: 23-37 Light rain and snow most of the day, ending in the evening.
11/19/2018 7:00 AM 0.00 0.0 M M M Temperature range: 23-39
11/20/2018 7:00 AM 0.00 0.0 M M M Temperature range: 26-42
11/21/2018 7:00 AM 0.00 0.0 M M M Temperature range: 27-47
11/22/2018 7:00 AM 0.00 0.0 M M M Temperature range: 29-51
11/23/2018 7:00 AM 0.00 0.0 M M M Temperature range: 32-52
11/24/2018 7:00 AM 0.00 0.0 M M M Temperature range: 32-48
11/25/2018 7:00 AM 0.02 0.2 0.02 0.2 0.02 Temperature range: 28-51 5 minutes of light rain about 1:30 pm. Light snow between 8 and 11 pm resulting in 0.2 inches of snow (on board) with 0.02 inches of moisture.
11/26/2018 7:00 AM 0.00 0.0 M M M Temperature range: 23-40
11/27/2018 7:00 AM 0.00 0.0 M M M Temperature range: 23-41
11/28/2018 7:00 AM 0.00 0.0 M M M Temperature range: 30-51
11/29/2018 7:00 AM 0.00 0.0 M M M Temperature range: 36-55
11/30/2018 7:00 AM 0.00 0.0 M M M Temperature range: 30-49
12/1/2018 7:00 AM 0.01 M M M M Temperature range: 26-37 light drizzle in the late afternoon.
12/2/2018 7:00 AM 0.00 0.0 M M M Temperature range: 24-49
12/3/2018 7:00 AM 0.03 0.6 0.03 0.6 0.03 Temperature range: 25-44
12/4/2018 7:00 AM 0.00 0.0 M M M Temperature range: 22-42
12/5/2018 7:00 AM 0.00 0.0 M M M Temperature range: 19-35
12/6/2018 7:00 AM 0.01 0.1 0.01 0.1 0.01 Temperature range: 20-43 Light snow in the early morning hours. Flurries ended before 7am
12/7/2018 7:00 AM 0.00 0.0 M M M Temperature rage: 22-31
12/8/2018 7:00 AM 0.00 0.0 M M M Temperature range: 22-37
12/9/2018 7:00 AM 0.00 0.0 M M M Temperature range: 22-42
12/10/2018 7:00 AM 0.00 0.0 M M M Temperature range: 20-39
12/11/2018 7:00 AM 0.00 0.0 M M M Temperature range: 20-44
12/12/2018 7:00 AM 0.00 0.0 M M M Temperature range: 24-51
12/13/2018 7:00 AM 0.00 0.0 M M M Temperature range: 26-51
12/14/2018 7:00 AM 0.00 0.0 M M M Temperature range: 24-39
12/15/2018 7:00 AM 0.00 0.0 M M M Temperature range: 26-54
12/16/2018 7:00 AM 0.00 0.0 M M M Temperature range: 34-53
12/17/2018 7:00 AM 0.00 0.0 M M M Temperature range: 33-55
12/18/2018 7:00 AM 0.00 0.0 M M M Temperature range: 35-59
12/19/2018 7:00 AM 0.00 0.0 M M M Temperature range: 38-56
12/20/2018 7:00 AM 0.00 0.0 M M M Temperature range: 32-53
12/21/2018 7:00 AM 0.00 0.0 M M M Temperature range: 32-50
12/22/2018 7:00 AM 0.00 0.0 M M M Temperature range: 32-59
12/23/2018 7:00 AM 0.00 0.0 M M M Temperature range: 22-46
12/24/2018 7:00 AM 0.00 0.0 M M M Temperature range: 25-49
12/25/2018 7:00 AM 0.00 0.0 M M M Temperature range: 30-54
12/26/2018 7:00 AM 0.00 0.0 M M M Temperature range: 28-45
12/27/2018 7:00 AM T M M M M Temperature range: 27-40 Snow furries about 5 pm but no accumulation and just a trace in rain gauge.
12/28/2018 7:00 AM 0.00 0.0 M M M Temperature range: 23-39 A few small fliers in the air in the AM.
12/29/2018 7:00 AM 0.00 0.0 M M M Temperature range: 13-32
12/30/2018 7:00 AM 0.00 0.0 M M M Temperature range: 13-33
12/31/2018 7:00 AM 0.00 0.0 M M M Temperature range: 23-47
1/1/2019 7:00 AM 0.10 1.3 0.10 1.3 0.10 Temperature range: 11-22 Dry, light snow most of the day.
1/2/2019 7:00 AM 0.00 0.0 0.00 1.3 0.09 Temperature range: 9-16
1/3/2019 7:00 AM 0.00 0.0 0.00 1.0 0.13 Temperature range: 12-32
1/4/2019 7:00 AM 0.00 0.0 M M M Temperature range: 21-46. Snowboard is clear but there are patches of snow remaining on the grassy shady areas.
1/5/2019 7:00 AM 0.00 0.0 M M M Temperature range: 29-52
1/6/2019 7:00 AM 0.00 0.0 M M M Temperature range: 30-50
1/7/2019 7:00 AM 0.00 0.0 M M M Temperature range: 32-52
1/8/2019 7:00 AM 0.00 0.0 M M M Temperature range: 26-47
1/9/2019 7:00 AM 0.00 0.0 M M M Temperature range: 26-40
1/10/2019 7:00 AM 0.00 0.0 M M M Temperature range: 26-44
1/11/2019 7:00 AM 0.04 M M M M Temperature range: 31-50 Light rain falling as of 7 am. Started some time after midnight.
1/12/2019 7:00 AM 0.63 0.9 0.30 0.9 0.30 Temperature range: 34-38 Wet snow and rain all day ending sometime between midnight and 4 am. Snow measurement was taken from the snowboard but we had 3.5 ' of snow in the field.
1/13/2019 7:00 AM 0.00 0.0 M M M Temperature range: 24-40 Snow on the snow board has melted but there are large patches of snow covered areas.
1/14/2019 7:00 AM 0.00 0.0 M M M Temperature range: 22-36
1/15/2019 7:00 AM 0.00 0.0 M M M Temperature range: 23-40
1/16/2019 7:00 AM 0.00 0.0 M M M Temperature range: 25-44
1/17/2019 7:00 AM 0.00 0.0 M M M Temperature range: 32-45
1/18/2019 7:00 AM 0.00 0.0 M M M Temperature range: 34-48
1/19/2019 7:00 AM 0.31 M M M M Temperature range: 25-38 The snow-board had 0.7 inches of ice and an accurate measurement could not be taken.
1/20/2019 7:00 AM 0.00 0.0 M M M Temperature range: 27-42 Patches of snow in shady areas.
1/21/2019 7:00 AM 0.00 0.0 M M M Temperature range: 27-47 patches of snow still in shaded areas.
1/22/2019 7:00 AM 0.01 T M M M Temperature range: 25-44 Snow furries during the evening... around 10 or 11pm
1/23/2019 7:00 AM 0.00 0.0 M M M Temperature range: 20-32
1/24/2019 7:00 AM 0.01 T M M M Temperature range: 25-42 Snow began around 6:30 this morning.
1/25/2019 7:00 AM 0.19 2.0 0.19 2.0 0.19 Temperature range: 16-29 There were 2.5 inches of new snow on the snowboard at noon but the afternoon sun reduced it to 2.9 inches
1/26/2019 7:00 AM 0.00 0.0 0.00 0.6 0.19 Temperature range: 17-34 snow and ice on a snowboard
1/27/2019 7:00 AM 0.00 0.0 M M M Temperature range: 24-42 Some snow remain in shady areas. Snowboard is clear of all snow and ice.
1/28/2019 7:00 AM 0.20 2.7 0.20 M M Temperature range: 28-49
1/29/2019 7:00 AM 0.09 1.7 0.07 3.5 0.31 Temperature range: 16-34
1/30/2019 7:00 AM 0.00 0.0 0.00 2.4 0.28 Temperature range: 13-29
1/31/2019 7:00 AM 0.00 0.0 0.00 1.5 0.27 Temperature range: 13-37
2/1/2019 7:00 AM 0.00 0.0 M M M Temperature range: 26-42 All snow from the snowboard is gone but snow remains in shady areas.
2/2/2019 7:00 AM 0.00 0.0 M M M Temperature range: 27-48
2/3/2019 7:00 AM 0.00 0.0 M M M Temperature range: 28-51
2/4/2019 7:00 AM 0.00 0.0 M M M Temperature range: 35-51
2/5/2019 7:00 AM 0.00 0.0 M M M Temperature range: 23-47
2/13/2019 7:00 AM 0.00 0.0 M M M
2/14/2019 7:00 AM 0.00 0.0 M M M Temperature range: 37-52
2/15/2019 7:00 AM 0.00 0.0 M M M Temperature range: 26-55
2/16/2019 7:00 AM 0.00 0.0 M M M Temperature range: 24-50
2/17/2019 7:00 AM 0.02 T T M M Temperature range: 23-35 Light snow began at 1:35 pm and lasted about 2.5 hours with no accumulation on the snow board. a dusting on the grassy areas.
2/18/2019 7:00 AM 0.01 0.1 0.01 0.1 0.01 Temperature range: 15-34 Very light snow and still snowing this morning.
2/19/2019 7:00 AM 0.01 0.3 0.01 0.5 0.01 Temperature range: 15-23 light snow flurries most of the day and night continuing into the a.m.
2/20/2019 7:00 AM 0.01 0.1 0.01 0.1 0.02 Temperature range: 11-25 Off and on snow flurries day and night.
2/21/2019 7:00 AM 0.00 0.0 M M M Temperature range: 12-33 The warm Colorado sun melted all the snow on the ground, but, I don't have to tell you that.
2/22/2019 7:00 AM T 0.1 0.01 0.1 0.01 Temperature range: 21-37 Snow during the early mourning hours.
2/23/2019 7:00 AM 0.13 0.9 0.12 1.0 0.12 Temperature range: 27-32
2/24/2019 7:00 AM 0.00 0.0 M M M Temperature range: 27-45
2/25/2019 7:00 AM 0.00 0.0 M M M Temperature range: 20-50
2/26/2019 7:00 AM T 0.0 M M M Temperature range: 20-44
2/27/2019 7:00 AM T M M M M Temperature range: 21-43 frozen mist in the early morning
2/28/2019 7:00 AM 0.00 0.0 M M M Temperature range: 21-33
3/1/2019 7:00 AM 0.00 0.0 M M M Temperature range: 25-51
3/2/2019 7:00 AM 0.05 0.5 0.05 0.5 0.05 Temperature range: 26-46 snow started falling before midnight
3/3/2019 7:00 AM 0.39 4.4 0.38 4.6 0.40 Temperature range: 7-33 Snow ended around midnight
3/4/2019 7:00 AM 0.05 0.6 0.05 4.9 0.43 Temperature range: 6-22 light snow from noon to around six pm
3/5/2019 7:00 AM 0.00 0.0 M 3.8 0.46 Temperature range: 6-19
3/6/2019 7:00 AM 0.00 0.0 M 3.4 0.41 Temperature range: 12-28
3/7/2019 7:00 AM T M M 1.7 0.51 Temperature range: 22-39 The trace moisture is from fog condensing on the colder surfaces.
3/8/2019 7:00 AM 0.00 0.0 M 0.5 M Temperature range: 27-44 0.5 inches of ice on the snowboard and could not collect an accurate sample.
3/9/2019 7:00 AM 0.00 0.0 M M M Temperature range: 20-44 all snow and ice is gone from the snowboard. Patches of snow still on the ground in shaded areas.
3/10/2019 7:00 AM 0.00 0.0 M M M Temperature range: 28-47
3/11/2019 7:00 AM 0.00 0.0 M M M Temperature range: 29-45
3/12/2019 7:00 AM 0.00 0.0 M M M Temperature range: 32-51
3/13/2019 7:00 AM 0.13 M M M M Temperature range: 33-54 Rain started after 3 AM
3/14/2019 7:00 AM 1.00 0.7 0.18 0.7 0.18 Temperature range: 29-38 Heavy rain turned to snow 9:30 AM Strong winds may have blown some of the snow off the snowboard. The rain and snow produced ice on the snowboard.
3/15/2019 7:00 AM 0.00 0.0 M M M Temperature range: 20-43 Patches of snow on the grassy areas but no moisture on the snowboard.
3/16/2019 7:00 AM 0.00 0.0 M M M Temperature range: 23-43
3/17/2019 7:00 AM 0.00 0.0 M M M Temperature range: 26-45
3/18/2019 7:00 AM 0.00 0.0 M M M Temperature range: 23-49
3/19/2019 7:00 AM 0.00 0.0 M M M Temperature range: 30-45
3/20/2019 7:00 AM 0.00 0.0 M M M Temperature range: 30-55
3/21/2019 7:00 AM 0.00 0.0 M M M Temperature range: 33-62
3/22/2019 7:00 AM 0.00 0.0 M M M Temperature range: 36-63
3/23/2019 7:00 AM 0.00 0.0 M M M Temperature range: 30-60
3/24/2019 7:00 AM 0.00 0.0 M M M Temperature range: 30-59
3/25/2019 7:00 AM 0.00 0.0 M M M Temperature range: 35-65
3/26/2019 7:00 AM 0.00 0.0 M M M Temperature range: 37-62
3/27/2019 7:00 AM 0.00 0.0 M M M Temperature range: 37-73
3/28/2019 7:00 AM 0.00 0.0 M M M Temperature range: 42-79
3/29/2019 7:00 AM 0.04 M M M M Temperature range: 41-66 Rain in the early AM. (around 4 am because the paper was wet)
3/30/2019 7:00 AM 0.28 2.3 0.22 2.3 0.22 Temperature range: 31-46
3/31/2019 7:00 AM 0.00 0.0 M M M Temperature range: 33-49
4/1/2019 7:00 AM 0.00 0.0 M M M Temperature range: 34-57
4/2/2019 7:00 AM 0.00 0.0 M M M Temperature range: 35-63
4/3/2019 7:00 AM 0.00 0.0 M M M Temperature range: 39-59
4/4/2019 7:00 AM 0.00 0.0 M M M Temperature range: 38-67
4/5/2019 7:00 AM 0.00 0.0 M M M Temperature range: 40-70
4/6/2019 7:00 AM 0.00 0.0 M M M Temperature range: 47-73
4/7/2019 7:00 AM 0.00 0.0 M M M Temperature range: 47-76
4/8/2019 7:00 AM 0.00 0.0 M M M Temperature range: 49-79
4/9/2019 7:00 AM 0.00 0.0 M M M Temperature range: 47-71
4/10/2019 7:00 AM T M M M M Temperature range: 44-76 Light drizzle began about 6:30 am. Not enough to measure.
4/11/2019 7:00 AM 0.53 3.1 0.36 3.1 0.36 Temperature range: 22-44 Ice on the snowboard so reading of accumulation of new snow may be a little off.
4/12/2019 7:00 AM 0.00 0.0 M M M Temperature range: 25-46 While most of the snow is gone, there is ice on the snowboard (0.3 inches) but I was unable to retrieve the necessary amount to take a moisture reading.
4/13/2019 7:00 AM 0.10 0.9 0.09 0.0 0.00 Temperature range: 33-52 Light snow fell between 12:40 and 1:15 PM. Snow again fell before 11 PM and ended shortly after Midnight.
4/14/2019 7:00 AM 0.00 0.0 M M M Temperature range: 34-56
4/15/2019 7:00 AM 0.00 0.0 M M M Temperature range: 37-68
4/16/2019 7:00 AM 0.00 0.0 M M M Temperature range: 44-79
4/17/2019 7:00 AM 0.00 0.0 M M M Temperature range: 45-69
4/18/2019 7:00 AM T 0.0 M M M Temperature range: 42-68
4/19/2019 7:00 AM 0.00 0.0 M M M Temperature range: 41-72
4/20/2019 7:00 AM 0.00 0.0 M M M Temperature range: 42-72
4/21/2019 7:00 AM 0.00 0.0 M M M Temperature range: 47-77
4/22/2019 7:00 AM 0.17 M M M M Temperature range: 44-68 short periods of rain at 2:40 PM and 4:00 PM. (ten minutes) and longer period early AM, sometime between 3 and 6 AM
4/23/2019 7:00 AM T M M M M Temperature range: 44-49 Raindrops fell, off and on, until 1 PM. Only a single drop of water in the rain gauge this morning.
4/24/2019 7:00 AM 0.00 0.0 M M M Temperature range: 45-67
4/25/2019 7:00 AM 0.00 0.0 M M M Temperature range: 47-72
4/26/2019 7:00 AM 0.00 0.0 M M M Temperature range: 44-69
4/27/2019 7:00 AM 0.00 0.0 M M M Temperature range: 47-81
4/29/2019 7:00 AM 0.00 0.0 M M M Temperature range: 36-78
4/30/2019 7:00 AM 0.37 M M M M Temperature range: 33-47 Snow started at 4 pm. By 6 it had lightened up and stopped by 7:30 pm
5/1/2019 7:00 AM 0.10 M M M M Temperature range: 35-41 Rain started at about 2 pm and continued, off and on, into the evening and night.
5/2/2019 7:00 AM 0.05 M M M M Temperature range: 37-50 Light rain showers off and on all day.
5/3/2019 7:00 AM 0.00 0.0 M M M Temperature range: 38-63
5/4/2019 7:00 AM 0.00 0.0 M M M Temperature range: 42-71
5/5/2019 7:00 AM 0.00 0.0 M M M Temperature range: 45-73
5/6/2019 7:00 AM 0.00 0.0 M M M Temperature range: 50-76
5/7/2019 7:00 AM 0.16 M M M M Temperature range: 47-69 Light rain started at ^:15 pm, off and on, more during the night and early am.
5/8/2019 7:00 AM 0.08 M M M M Temperature range: 45-52 Light rain, off and on all day.
5/9/2019 7:00 AM 0.39 0.4 0.09 0.4 0.09 Temperature range: 35-46 Rain and light snow most of the day. Still snowing this morning.
5/10/2019 7:00 AM 0.14 M M M M Temperature range: 35-45 Light rain, snow and tiny hail most of the day. No accumulation. Tiny hail bounced on the driveway. Could it have been sleet?
5/11/2019 7:00 AM 0.00 0.0 M M M Temperature range: 38+61
5/12/2019 7:00 AM 0.00 0.0 M M M Temperature range: 38-51
5/13/2019 7:00 AM 0.00 0.0 M M M Temperature range: 43-76
5/14/2019 7:00 AM 0.00 0.0 M M M Temperature range: 51-78
5/15/2019 7:00 AM 0.00 0.0 M M M Temperature range: 51-82
5/16/2019 7:00 AM 0.00 0.0 M M M Temperature range: 56-84
5/17/2019 7:00 AM T M M M M Temperature range: 53-84 A few sprinkles at 5:28 pm
5/18/2019 7:00 AM 0.05 M M M M Temperature range: 42-70 Thuderstorms in late afternoon into the evening.
5/19/2019 7:00 AM 0.02 M M M M Temperature range: 42-65 Drops of rain fell between 4 and 5 pm.
5/20/2019 7:00 AM 0.06 M M M M Temperature range: 39-55 Rain durring the night. Drizzling at 7 am
5/21/2019 7:00 AM 0.78 5.0 0.58 M M Temperature range: 35-47 Rain most of the day, wet snow over night. About 5" as measured in the field. Snow depth varies greatley because of trees and warm driveways.
5/22/2019 7:00 AM 0.02 M M M M Temperature range: 35-44 Light snow and rain in early morning.
5/23/2019 7:00 AM 0.13 M M M M Temperature range: 40-51 Rain, off and on afternoon, evening and into the night.
5/24/2019 7:00 AM 0.05 M M M M Temperature range: 39-50
5/25/2019 7:00 AM 0.00 0.0 M M M Temperature range: 46-72
5/26/2019 7:00 AM 0.00 0.0 M M M Temperature range: 51-78
5/27/2019 7:00 AM 0.01 M M M M Temperature 48-71 a few drops were noticed around 3:30 pm.
5/28/2019 7:00 AM 0.14 M M M M Temperature range: 48-71 Rain overnight.
5/29/2019 7:00 AM 0.08 M M M M Temperature range: 43-63 Some rain around 4 pm and some during the night.
5/30/2019 7:00 AM 0.00 0.0 M M M Temperature range: 42-66
5/31/2019 7:00 AM 0.00 0.0 M M M Temperature range: 49-72
6/1/2019 7:00 AM 0.01 M M M M Temperature range: 50-82
6/2/2019 7:00 AM 0.00 0.0 M M M Temperature range: 53-79
6/3/2019 7:00 AM 0.02 M M M M Temperature range: 53-79 A little rain fell about 4:30 pm
6/4/2019 7:00 AM 0.00 0.0 M M M Temperature range: 51-78
6/5/2019 7:00 AM 0.00 0.0 M M M Temperature range: 53-82 Drops of rain fell at 4:30 pm and lasted about 1.5 minutes. No moisture in the rain guage this morning.
6/6/2019 7:00 AM 0.24 M M M M Temperature range: 52-84 Thunderstorm at 7:30 pm
6/7/2019 7:00 AM 0.00 0.0 M M M Temperature range:57-86 Thunder and Lightening but no rain in the eary evening.
6/8/2019 7:00 AM 0.02 M M M M Temperature range: 56-88 Late afternoon thunderstorms came through at #:28 and 4:58 pm. Lasted just minutes.
6/9/2019 7:00 AM 0.23 M M M M Temperature range: 49-82 Thunderstorm with 1/4 inch hail changing to 1/3 inch hail.
6/10/2019 7:00 AM 0.01 M M M M Temperature range: 47-74
6/11/2019 7:00 AM 0.00 0.0 M M M Temperature range: 54-82
6/28/2019 7:00 AM 0.00 0.0 M M M Temperature range: 62-92
6/29/2019 7:00 AM 0.00 0.0 M M M Temperature range: 65-94
6/30/2019 7:00 AM 0.00 0.0 M M M Temperature range: 65-96
7/1/2019 7:00 AM 0.06 M M M M Temperature range: 62-90 First drops of rain fell at 4:32 PM but the thunderstorm didn't start until about 6:30 PM. Lasted about an hour.
7/2/2019 7:00 AM 0.44 M M M M Temperature range: 55-87 First drops of rain fell at 4:32pm. Thunderstorm at 6:50pm ending at &:00pm. Heaviest rain at 7:05 - 7:10pm. Ended at 7:30pm. Seond thundersorm in the early evening before 9pm
7/3/2019 7:00 AM 0.00 0.0 M M M Temperature range: 62-87
7/4/2019 7:00 AM 0.00 0.0 M M M Temperature range: 63-92
7/5/2019 7:00 AM 0.28 M M M M Temperature range: 60-88 Thunderstorm between 6 and 7 PM
7/6/2019 7:00 AM 0.91 M M M M Temperature range: 59-85 This was the most rain in my ten years of observations. Some hail - pea size to 3/4 inch.
7/7/2019 7:00 AM 0.00 0.0 M M M Temperature range: 60-85
7/8/2019 7:00 AM 0.64 M M M M Temperature range: 61-87 Thunderstorm with pea size hail.
7/9/2019 7:00 AM 0.00 0.0 M M M Temperature range: 59-88
7/10/2019 7:00 AM 0.00 0.0 M M M Temperature range: 64-89
7/11/2019 7:00 AM 0.00 0.0 M M M Temperature range: 66-86
7/12/2019 7:00 AM 0.00 0.0 M M M Temperature range: 66-94
7/13/2019 7:00 AM 0.00 0.0 M M M Temperature range: 61-92
7/14/2019 7:00 AM T M M M M Temperature range: 42(?) -89 Drops of rain fell at 7:05 pm
7/15/2019 7:00 AM T M M M M Temperature range: 72-88 Drops of rain about 3:45 pm
7/16/2019 7:00 AM 0.01 M M M M Temperature range: 64-91
7/17/2019 7:00 AM 0.01 M M M M Temperature range: 67-90
7/18/2019 7:00 AM 0.00 0.0 M M M Temperature range: 70-95
7/19/2019 7:00 AM 0.00 0.0 M M M Temperature range: 72-96
7/20/2019 7:00 AM 0.00 0.0 M M M Temperature range: 72-97
7/21/2019 7:00 AM 0.15 M M M M Temperature range: 63-86 Thunderstorm between 5:30 and 7 pm
7/22/2019 7:00 AM 0.29 M M M M Temperature range: 64-82 Thunderstorm sometime during the night.
7/23/2019 7:00 AM 0.01 M M M M Temperature range: 64-80 A little sprinkle mid-afternoon around 3 pm (?)
7/24/2019 7:00 AM 0.00 0.0 M M M
7/25/2019 7:00 AM 0.05 M M M M Temperature range: 6-92 Shower in the late afternoon at 6 pm (?)
7/26/2019 7:00 AM 0.00 0.0 M M M Temperature range: 64-85
7/27/2019 7:00 AM 0.00 0.0 M M M Temperature range: 67-92
7/28/2019 7:00 AM T M M M M Temperature range: 66-88 Raindrops fell at 4:13 pm and lasted about 1 minute.
7/29/2019 7:00 AM 0.00 0.0 M M M Temperature range: 64-87
7/30/2019 7:00 AM 0.00 0.0 M M M Temperature range: 65-91
7/31/2019 7:00 AM 0.05 M M M M Temperature range: 66-89 Light rain in the late afternoon ending by 5 pm
8/1/2019 7:00 AM 0.00 0.0 M M M Temperature range: 66-87
8/2/2019 7:00 AM 0.09 M M M M Temperature range: 85-63 Afternoon shower from about 4 to 4:20 pm.
8/3/2019 7:00 AM 0.00 0.0 M M M Temperature range: 64-87
8/4/2019 7:00 AM 0.00 0.0 M M M Temperature range: 67-92
8/5/2019 7:00 AM 0.00 0.0 M M M Temperature range: 68-86
8/6/2019 7:00 AM 0.05 M M M M Temperature range: 64-86
8/7/2019 7:00 AM 0.00 0.0 M M M Temperature range: 65-92
8/8/2019 7:00 AM 0.51 M M M M Temperature range: 66-88 Rain in the evening around 9-9:30 pm.
8/9/2019 7:00 AM 0.07 M M M M Temperature range: 65-81 Rain shower in late afternoon
8/10/2019 7:00 AM 0.00 0.0 M M M Temperature range: 66-91
8/11/2019 7:00 AM 0.00 0.0 M M M Temperature range: 66-84
8/12/2019 7:00 AM T M M M M Temperature range: 64-82 drops were felt about 1 pm
8/13/2019 7:00 AM 0.00 0.0 M M M Temperature range: 61-88
8/14/2019 7:00 AM 0.00 0.0 M M M Temperature range: 61-86
8/15/2019 7:00 AM 0.00 0.0 M M M Temperature range: 60-87
8/16/2019 7:00 AM 0.00 0.0 M M M Temperature range: 61-92
8/17/2019 7:00 AM 0.00 0.0 M M M Temperature range: 61-85
8/18/2019 7:00 AM 0.00 0.0 M M M
8/19/2019 7:00 AM 0.00 0.0 M M M Temperature range: 62-88
8/20/2019 7:00 AM 0.00 0.0 M M M Temperature range: 64-94
8/21/2019 7:00 AM 0.00 0.0 M M M Temperature range: 65-94
8/22/2019 7:00 AM 0.00 0.0 M M M Temperature range: 63-83
8/23/2019 7:00 AM 0.00 0.0 M M M Temperature range: 63-85
8/24/2019 7:00 AM 0.00 0.0 M M M Temperature range: 59-84
8/25/2019 7:00 AM 0.00 0.0 M M M Temperature range: 60-84
8/26/2019 7:00 AM 0.00 0.0 M M M Temperature range: 62-92
8/27/2019 7:00 AM 0.00 0.0 M M M Temperature range: 58-78
8/28/2019 7:00 AM 0.00 0.0 M M M Temperature range: 56-75
8/29/2019 7:00 AM 0.00 0.0 M M M Temperature range: 56-88
8/30/2019 7:00 AM 0.00 0.0 M M M Temperature range: 60-85
8/31/2019 7:00 AM 0.00 0.0 M M M Temperature range 60-83
9/1/2019 7:00 AM 0.00 0.0 M M M Temperature range: 62-86
9/2/2019 7:00 AM 0.00 0.0 M M M Temperature range: 62-92
9/3/2019 7:00 AM 0.00 0.0 M M M Temperature range: 66-95
9/4/2019 7:00 AM 0.00 0.0 M M M Temperature range: 64-83
9/5/2019 7:00 AM 0.00 0.0 M M M Temperature range: 64-85
9/6/2019 7:00 AM 0.00 0.0 M M M Temperature range: 65-91
9/7/2019 7:00 AM 0.01 M M M M Temperature range: 64-79 Light sprinkle lasting 3 minutes at most.
9/8/2019 7:00 AM 0.00 0.0 M M M Temperature range: 58-85
9/9/2019 7:00 AM 0.15 M M M M Temperature range: 58-75 Sprinkles in the afternoon and rain sometime during the night.
9/10/2019 7:00 AM 0.00 0.0 M M M Temperature range: 57-80
9/11/2019 7:00 AM 0.00 0.0 M M M Temperature range: 58-82
9/12/2019 7:00 AM 0.06 M M M M Temperature range: 54-75 Sprinkle at 4:30 pm. Light rain from 5:00 - 5-10 pm. 1/4 inch hail fro 6:00 - 6:10 pm. Light rain in the early evening.
9/13/2019 7:00 AM 0.00 0.0 M M M Temperature range: 51-75
9/14/2019 7:00 AM 0.00 0.0 M M M Temperature range: 51-76
9/15/2019 7:00 AM 0.00 0.0 M M M Temperature range: 52-84
9/16/2019 7:00 AM 0.00 0.0 M M M Temperature range: 57-82
9/17/2019 7:00 AM 0.00 0.0 M M M Temperature range: 59-85
9/18/2019 7:00 AM 0.00 0.0 M M M Temperature range: 57-85
9/19/2019 7:00 AM 0.00 0.0 M M M Temperature range: 54-78
9/20/2019 7:00 AM 0.00 0.0 M M M Temperature range: 54-80
9/21/2019 7:00 AM 0.00 0.0 M M M Temperature range: 56-82
9/22/2019 7:00 AM 0.00 0.0 M M M Temperature range: 48-74
9/23/2019 7:00 AM 0.00 0.0 M M M Temperature range: 48-74
9/24/2019 7:00 AM 0.00 0.0 M M M Temperature range: 51-77
9/25/2019 7:00 AM 0.00 0.0 M M M Temperature range: 55-83
9/26/2019 7:00 AM 0.00 0.0 M M M Temperature range: 48-76
9/27/2019 7:00 AM 0.00 0.0 M M M Temperature range: 48-78
9/28/2019 7:00 AM 0.06 M M M M Temperature range: 51-72 Rain started at 6 PM
9/29/2019 7:00 AM 0.00 0.0 M M M Temperature range: 51-68
9/30/2019 7:00 AM 0.00 0.0 M M M Temperature range: 53-81



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/19/2018 10/26/2018 7:00 AM 8 0.00 M M No moisture in the rain gauge.
2/6/2019 2/12/2019 7:00 AM 7 0.16 M M There is snow on the ground in shady areas but none on the snowboard.
6/12/2019 6/27/2019 7:00 AM 16 1.30 M M



Observation Date Observation Time Notes Largest Stone Size Average Stone Size Smallest Stone Size Stone Consistency Duration Minutes Durration Accuracy Damage Timing More Rain than Hail Hail Started Largest Hail Started Angle of Impact Number of Stones on Pad Distance Between Stones on Pad Depth of Stones on Ground