Station Overview Station Location
Station Number CO-BO-92 Latitude 39.9588
Station Name Nederland .47 ESE Longitude -105.5026
County Boulder Elevation (ft) 8337



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 19 1.23 0.23 18 0.23 18 0.00 0 0 3 1 3.1 2 4
Nov 19 1.12 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 19 1.00 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 20 0.82 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 20 0.97 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 20 1.99 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 20 2.68 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 20 2.76 0.80 17 0.80 17 0.00 0 0 4 2 0.5 1 1
June 20 2.23 1.30 30 1.30 30 0.00 0 0 11 7 0.4 1 0
July 20 2.37 1.49 31 1.49 31 0.00 0 0 12 7 0.0 0 0
Aug 20 2.59 1.10 31 1.10 31 0.00 0 0 12 6 0.0 0 0
Sept 20 1.68 0.65 21 0.65 21 0.00 0 0 5 1 4.8 3 4
Water Year Totals: 21.44" 5.57" 148 days 5.57" 148 0.00" 0 days 0 47 days 24 days 8.8" 7 days 9 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
10/1/2019 T
10/2/2019 0.02
10/3/2019 0.00
10/4/2019 0.00
10/5/2019 0.00
10/6/2019 0.00
10/7/2019 0.00
10/8/2019 0.00
10/9/2019 0.00
10/10/2019 0.10
10/11/2019 0.11
10/12/2019 0.00
10/13/2019 0.00
10/14/2019 0.00
10/15/2019 0.00
10/16/2019 0.00
10/17/2019 0.00
10/18/2019 0.00
10/19/2019
10/20/2019
10/21/2019
10/22/2019
10/23/2019
10/24/2019
10/25/2019
10/26/2019
10/27/2019
10/28/2019
10/29/2019
10/30/2019
10/31/2019
11/1/2019
11/2/2019
11/3/2019
11/4/2019
11/5/2019
11/6/2019
11/7/2019
11/8/2019
11/9/2019
11/10/2019
11/11/2019
11/12/2019
11/13/2019
11/14/2019
11/15/2019
11/16/2019
11/17/2019
11/18/2019
11/19/2019
11/20/2019
11/21/2019
11/22/2019
11/23/2019
11/24/2019
11/25/2019
11/26/2019
11/27/2019
11/28/2019
11/29/2019
11/30/2019
12/1/2019
12/2/2019
12/3/2019
12/4/2019
12/5/2019
12/6/2019
12/7/2019
12/8/2019
12/9/2019
12/10/2019
12/11/2019
12/12/2019
12/13/2019
12/14/2019
12/15/2019
12/16/2019
12/17/2019
12/18/2019
12/19/2019
12/20/2019
12/21/2019
12/22/2019
12/23/2019
12/24/2019
12/25/2019
12/26/2019
12/27/2019
12/28/2019
12/29/2019
12/30/2019
12/31/2019
Day of YearDaily PrcpMultiday Prcp
1/1/2020
1/2/2020
1/3/2020
1/4/2020
1/5/2020
1/6/2020
1/7/2020
1/8/2020
1/9/2020
1/10/2020
1/11/2020
1/12/2020
1/13/2020
1/14/2020
1/15/2020
1/16/2020
1/17/2020
1/18/2020
1/19/2020
1/20/2020
1/21/2020
1/22/2020
1/23/2020
1/24/2020
1/25/2020
1/26/2020
1/27/2020
1/28/2020
1/29/2020
1/30/2020
1/31/2020
2/1/2020
2/2/2020
2/3/2020
2/4/2020
2/5/2020
2/6/2020
2/7/2020
2/8/2020
2/9/2020
2/10/2020
2/11/2020
2/12/2020
2/13/2020
2/14/2020
2/15/2020
2/16/2020
2/17/2020
2/18/2020
2/19/2020
2/20/2020
2/21/2020
2/22/2020
2/23/2020
2/24/2020
2/25/2020
2/26/2020
2/27/2020
2/28/2020
2/29/2020
3/1/2020
3/2/2020
3/3/2020
3/4/2020
3/5/2020
3/6/2020
3/7/2020
3/8/2020
3/9/2020
3/10/2020
3/11/2020
3/12/2020
3/13/2020
3/14/2020
3/15/2020
3/16/2020
3/17/2020
3/18/2020
3/19/2020
3/20/2020
3/21/2020
3/22/2020
3/23/2020
3/24/2020
3/25/2020
3/26/2020
3/27/2020
3/28/2020
3/29/2020
3/30/2020
3/31/2020
Day of YearDaily PrcpMultiday Prcp
4/1/2020
4/2/2020
4/3/2020
4/4/2020
4/5/2020
4/6/2020
4/7/2020
4/8/2020
4/9/2020
4/10/2020
4/11/2020
4/12/2020
4/13/2020
4/14/2020
4/15/2020
4/16/2020
4/17/2020
4/18/2020
4/19/2020
4/20/2020
4/21/2020
4/22/2020
4/23/2020
4/24/2020
4/25/2020
4/26/2020
4/27/2020
4/28/2020
4/29/2020
4/30/2020
5/1/2020
5/2/2020
5/3/2020
5/4/2020
5/5/2020
5/6/2020
5/7/2020
5/8/2020
5/9/2020
5/10/2020
5/11/2020
5/12/2020
5/13/2020
5/14/2020 T
5/15/2020
5/16/2020 0.02
5/17/2020 0.00
5/18/2020 0.00
5/19/2020 0.00
5/20/2020 0.00
5/21/2020 0.00
5/22/2020 0.00
5/23/2020 0.00
5/24/2020 T
5/25/2020 0.49
5/26/2020 0.00
5/27/2020 0.00
5/28/2020 0.00
5/29/2020 0.00
5/30/2020 0.01
5/31/2020 0.28
6/1/2020 T
6/2/2020 T
6/3/2020 T
6/4/2020 0.00
6/5/2020 0.02
6/6/2020 T
6/7/2020 0.08
6/8/2020 0.00
6/9/2020 0.04
6/10/2020 T
6/11/2020 0.00
6/12/2020 0.00
6/13/2020 T
6/14/2020 0.02
6/15/2020 0.00
6/16/2020 0.00
6/17/2020 0.00
6/18/2020 0.00
6/19/2020 0.73
6/20/2020 0.03
6/21/2020 0.00
6/22/2020 0.05
6/23/2020 0.00
6/24/2020 T
6/25/2020 0.06
6/26/2020 0.07
6/27/2020 0.18
6/28/2020 0.00
6/29/2020 0.02
6/30/2020 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2020 T
7/2/2020 0.00
7/3/2020 T
7/4/2020 0.02
7/5/2020 T
7/6/2020 0.04
7/7/2020 T
7/8/2020 0.03
7/9/2020 0.00
7/10/2020 0.00
7/11/2020 0.00
7/12/2020 0.00
7/13/2020 0.00
7/14/2020 0.01
7/15/2020 0.12
7/16/2020 0.00
7/17/2020 0.00
7/18/2020 T
7/19/2020 T
7/20/2020 0.04
7/21/2020 0.00
7/22/2020 0.00
7/23/2020 0.13
7/24/2020 0.08
7/25/2020 0.32
7/26/2020 0.68
7/27/2020 0.01
7/28/2020 0.00
7/29/2020 T
7/30/2020 0.00
7/31/2020 0.01
8/1/2020 0.05
8/2/2020 0.03
8/3/2020 0.08
8/4/2020 T
8/5/2020 T
8/6/2020 T
8/7/2020 0.01
8/8/2020 0.00
8/9/2020 0.00
8/10/2020 0.00
8/11/2020 0.00
8/12/2020 0.00
8/13/2020 T
8/14/2020 0.00
8/15/2020 0.00
8/16/2020 0.00
8/17/2020 0.00
8/18/2020 0.00
8/19/2020 T
8/20/2020 0.01
8/21/2020 0.01
8/22/2020 0.00
8/23/2020 0.00
8/24/2020 0.00
8/25/2020 T
8/26/2020 0.25
8/27/2020 0.40
8/28/2020 0.01
8/29/2020 0.19
8/30/2020 0.04
8/31/2020 0.02
9/1/2020 0.06
9/2/2020 0.00
9/3/2020 0.00
9/4/2020 0.00
9/5/2020 0.00
9/6/2020 0.00
9/7/2020 0.00
9/8/2020 0.16
9/9/2020 0.34
9/10/2020 0.02
9/11/2020 0.07
9/12/2020 0.00
9/13/2020 0.00
9/14/2020 0.00
9/15/2020 0.00
9/16/2020 0.00
9/17/2020 0.00
9/18/2020 0.00
9/19/2020 0.00
9/20/2020 0.00
9/21/2020 T
9/22/2020
9/23/2020
9/24/2020
9/25/2020
9/26/2020
9/27/2020
9/28/2020
9/29/2020
9/30/2020



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2019 7:00 AM T M M M M Drizzle
10/2/2019 7:00 AM 0.02 M M M M Intermittent light drizzle
10/3/2019 7:00 AM 0.00 0.0 M M M
10/4/2019 7:00 AM 0.00 0.0 M M M
10/5/2019 7:00 AM 0.00 0.0 M M M
10/6/2019 7:00 AM 0.00 0.0 M M M
10/7/2019 7:00 AM 0.00 0.0 M M M
10/8/2019 7:00 AM 0.00 0.0 M M M
10/9/2019 7:00 AM 0.00 0.0 M M M
10/10/2019 7:00 AM 0.10 1.5 0.08 1.0 M Drizzle, freezing drizzle, followed by snow. Still snowing at ob time.
10/11/2019 7:00 AM 0.11 1.6 0.08 2.0 M Blowing snow at ob time
10/12/2019 7:00 AM 0.00 0.0 M 1.5 M
10/13/2019 7:00 AM 0.00 0.0 M 0.5 M
10/14/2019 7:00 AM 0.00 0.0 M T M
10/15/2019 7:00 AM 0.00 0.0 M T M
10/16/2019 7:00 AM 0.00 0.0 M 0.0 M
10/17/2019 7:00 AM 0.00 0.0 M 0.0 M
10/18/2019 7:00 AM 0.00 0.0 M 0.0 M
5/14/2020 7:00 AM T M M M M Thunder.heard 3-4pm
5/16/2020 7:00 AM 0.02 M M M M Thunder heard 12:30 and 4pm
5/17/2020 7:00 AM 0.00 0.0 M M M
5/18/2020 7:00 AM 0.00 0.0 M M M
5/19/2020 7:00 AM 0.00 0.0 M M M
5/20/2020 7:00 AM 0.00 0.0 M M M Thunder heard 8:50 pm: no precipitation.ò
5/21/2020 7:00 AM 0.00 0.0 M M M
5/22/2020 7:00 AM 0.00 0.0 M M M
5/23/2020 7:00 AM 0.00 0.0 M M M
5/24/2020 7:00 AM T M M M M Brief shower 7:30 pm
5/25/2020 7:00 AM 0.49 0.5 0.12 0.5 M
5/26/2020 7:00 AM 0.00 0.0 M M M
5/27/2020 7:00 AM 0.00 0.0 M M M
5/28/2020 7:00 AM 0.00 0.0 M M M Thunder heard 5-6pm
5/29/2020 7:00 AM 0.00 0.0 M M M
5/30/2020 7:00 AM 0.01 M M M M Thunder began 3:30pm
5/31/2020 7:00 AM 0.28 M M M M Frequent thunderstorms
6/1/2020 7:00 AM T M M M M Afternoon thunder
6/2/2020 7:00 AM T M M M M Brief shower 4:15 pm
6/3/2020 7:00 AM T M M M M Thunder 4pm
6/4/2020 7:00 AM 0.00 0.0 M M M
6/5/2020 7:00 AM 0.02 M M M M Several brief showers 12-4pm; winds gusting to 40mph
6/6/2020 7:00 AM T M M M M Thunderstorm 5:30
6/7/2020 7:00 AM 0.08 M M M M Thunderstorms with gusts to 30mph
6/8/2020 7:00 AM 0.00 0.0 M M M
6/9/2020 7:00 AM 0.04 0.4 0.03 T M Thunderstorms with snow. Very light snow at ob time.
6/10/2020 7:00 AM T T M T M Snow flurries 7-8am
6/11/2020 7:00 AM 0.00 0.0 M M M
6/12/2020 7:00 AM 0.00 0.0 M M M
6/13/2020 7:00 AM T M M M M A few raindrops 4-5 pm
6/14/2020 7:00 AM 0.02 M M M M Thunder heard 2-4 pm
6/15/2020 7:00 AM 0.00 0.0 M M M
6/16/2020 7:00 AM 0.00 0.0 M M M
6/17/2020 7:00 AM 0.00 0.0 M M M
6/18/2020 7:00 AM 0.00 0.0 M M M
6/19/2020 7:00 AM 0.73 M M M M Thunderstorms
6/20/2020 7:00 AM 0.03 M M M M
6/21/2020 7:00 AM 0.00 0.0 M M M
6/22/2020 7:00 AM 0.05 M M M M Thunderstorms
6/23/2020 7:00 AM 0.00 0.0 M M M
6/24/2020 7:00 AM T M M M M Brief afternoon shower
6/25/2020 7:00 AM 0.06 M M M M Thunderstorms with frequent lightning 5-7 pm
6/26/2020 7:00 AM 0.07 M M M M Thunderstorms
6/27/2020 7:00 AM 0.18 M M M M Thunderstorms
6/28/2020 7:00 AM 0.00 0.0 M M M
6/29/2020 7:00 AM 0.02 M M M M Thunderstorm
6/30/2020 7:00 AM 0.00 0.0 M M M
7/1/2020 7:00 AM T M M M M Brief shower with frontal passage 8-9am
7/2/2020 7:00 AM 0.00 0.0 M M M
7/3/2020 7:00 AM T M M M M Few raindrops with thunder
7/4/2020 7:00 AM 0.02 M M M M Thunderstorm
7/5/2020 7:00 AM T M M M M Brief shower 11:30 am
7/6/2020 7:00 AM 0.04 M M M M Thunderstorms 11-12 and 2-3pm
7/7/2020 7:00 AM T M M M M A few raindrops 4-5pm
7/8/2020 7:00 AM 0.03 M M M M Thunderstorms
7/9/2020 7:00 AM 0.00 0.0 M M M
7/10/2020 7:00 AM 0.00 0.0 M M M
7/11/2020 7:00 AM 0.00 0.0 M M M
7/12/2020 7:00 AM 0.00 0.0 M M M
7/13/2020 7:00 AM 0.00 0.0 M M M
7/14/2020 7:00 AM 0.01 M M M M Brief showers
7/15/2020 7:00 AM 0.12 M M M M Series of thunderstorms
7/16/2020 7:00 AM 0.00 0.0 M M M
7/17/2020 7:00 AM 0.00 0.0 M M M
7/18/2020 7:00 AM T M M M M Light Shower 4-5pm
7/19/2020 7:00 AM T M M M M Thunder 3-4pm, a few raindrops
7/20/2020 7:00 AM 0.04 M M M M Thunderstorm
7/21/2020 7:00 AM 0.00 0.0 M M M
7/22/2020 7:00 AM 0.00 0.0 M M M
7/23/2020 7:00 AM 0.13 M M M M Thunderstorms
7/24/2020 7:00 AM 0.08 M M M M Thunderstorms
7/25/2020 7:00 AM 0.32 M M M M Multiple thunderstorms
7/26/2020 7:00 AM 0.68 M M M M Multiple thunderstorms; drizzle after midnight
7/27/2020 7:00 AM 0.01 M M M M
7/28/2020 7:00 AM 0.00 0.0 M M M
7/29/2020 7:00 AM T M M M M
7/30/2020 7:00 AM 0.00 0.0 M M M Winds W gusts to 43mph aftn
7/31/2020 7:00 AM 0.01 M M M M Thunderstorm
8/1/2020 7:00 AM 0.05 M M M M Thunder 4-5 pm; lightning to the east 10:30-11:30 pm
8/2/2020 7:00 AM 0.03 M M M M Thunderstorm
8/3/2020 7:00 AM 0.08 M M M M Thunderstorms
8/4/2020 7:00 AM T M M M M
8/5/2020 7:00 AM T M M M M
8/6/2020 7:00 AM T M M M M Thunder heard
8/7/2020 7:00 AM 0.01 M M M M Thunderstorm
8/8/2020 7:00 AM 0.00 0.0 M M M
8/9/2020 7:00 AM 0.00 0.0 M M M
8/10/2020 7:00 AM 0.00 0.0 M M M
8/11/2020 7:00 AM 0.00 0.0 M M M Thunder heard 5pm
8/12/2020 7:00 AM 0.00 0.0 M M M
8/13/2020 7:00 AM T M M M M Brief showers 4-5pm
8/14/2020 7:00 AM 0.00 0.0 M M M
8/15/2020 7:00 AM 0.00 0.0 M M M
8/16/2020 7:00 AM 0.00 0.0 M M M
8/17/2020 7:00 AM 0.00 0.0 M M M
8/18/2020 7:00 AM 0.00 0.0 M M M
8/19/2020 7:00 AM T M M M M Brief rain showers
8/20/2020 7:00 AM 0.01 M M M M Thunderstorm
8/21/2020 7:00 AM 0.01 M M M M Thunderstorm
8/22/2020 7:00 AM 0.00 0.0 M M M
8/23/2020 7:00 AM 0.00 0.0 M M M
8/24/2020 7:00 AM 0.00 0.0 M M M
8/25/2020 7:00 AM T M M M M Brief shower 7:30 pm
8/26/2020 7:00 AM 0.25 M M M M Thunderstorm and light rain
8/27/2020 7:00 AM 0.40 M M M M Multiple thunderstorms
8/28/2020 7:00 AM 0.01 M M M M Thunderstorm
8/29/2020 7:00 AM 0.19 M M M M Thunderstorm
8/30/2020 7:00 AM 0.04 M M M M
8/31/2020 7:00 AM 0.02 M M M M Brief rain showers 2-3pm
9/1/2020 7:00 AM 0.06 M M M M Rain showers
9/2/2020 7:00 AM 0.00 0.0 M M M
9/3/2020 7:00 AM 0.00 0.0 M M M
9/4/2020 7:00 AM 0.00 0.0 M M M
9/5/2020 7:00 AM 0.00 0.0 M M M
9/6/2020 7:00 AM 0.00 0.0 M M M
9/7/2020 7:00 AM 0.00 0.0 M M M
9/8/2020 7:00 AM 0.16 0.6 0.08 0.5 M Light rain turned to snow. Snowing at ob time.
9/9/2020 7:00 AM 0.34 3.9 0.41 4.0 M Snow thru last 24 hrs
9/10/2020 7:00 AM 0.02 0.3 0.02 3.0 M Intermittent very light snow thru day. Light snow shower after midnight.
9/11/2020 7:00 AM 0.07 T T 2.0 M Light rain evening
9/12/2020 7:00 AM 0.00 0.0 M M M
9/13/2020 7:00 AM 0.00 0.0 M 0.0 M
9/14/2020 7:00 AM 0.00 0.0 M M M
9/15/2020 7:00 AM 0.00 0.0 M M M
9/16/2020 7:00 AM 0.00 0.0 M 0.0 M
9/17/2020 7:00 AM 0.00 0.0 M M M
9/18/2020 7:00 AM 0.00 0.0 M 0.0 M
9/19/2020 7:00 AM 0.00 0.0 M 0.0 M
9/20/2020 7:00 AM 0.00 0.0 M 0.0 M
9/21/2020 7:00 AM T 0.0 M 0.0 M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes



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
7/31/2020 4:30 PM 1/4" Pea Size Rice Rice Mixed|White Ice 3 2min no damage Intermittent True After rain After smaller hail vertical