Station Overview Station Location
Station Number CO-MZ-66 Latitude 37.472732
Station Name Dolores 2.5 W Longitude -108.542995
County Montezuma Elevation (ft) 7073



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 1.76 1.83 31 1.83 31 0.00 0 0 16 4 0.0 0 0
Nov 18 1.63 0.35 30 0.35 30 0.00 0 0 3 2 0.0 0 0
Dec 18 1.47 0.92 19 0.92 19 0.00 0 0 4 1 0.0 0 0
Jan 19 1.49 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 19 1.49 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 19 1.78 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 19 1.41 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 19 1.05 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 19 0.62 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
July 19 1.45 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 19 1.77 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 19 2.05 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 17.97" 3.10" 80 days 3.10" 80 0.00" 0 days 0 23 days 7 days 0.0" 0 days 0 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 0.11
10/3/2018 0.43
10/4/2018 T
10/5/2018 0.02
10/6/2018 0.01
10/7/2018 0.12
10/8/2018 0.15
10/9/2018 0.13
10/10/2018 0.09
10/11/2018 0.12
10/12/2018 0.21
10/13/2018 T
10/14/2018 0.00
10/15/2018 0.00
10/16/2018 0.00
10/17/2018 0.14
10/18/2018 0.03
10/19/2018 0.04
10/20/2018 T
10/21/2018 0.00
10/22/2018 0.00
10/23/2018 0.04
10/24/2018 0.01
10/25/2018 T
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 0.18
11/1/2018 T
11/2/2018 0.00
11/3/2018 0.00
11/4/2018 0.00
11/5/2018 0.01
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 0.00
11/12/2018 0.00
11/13/2018 0.00
11/14/2018 0.00
11/15/2018 0.00
11/16/2018 0.00
11/17/2018 0.00
11/18/2018 0.00
11/19/2018 0.00
11/20/2018 0.00
11/21/2018 0.00
11/22/2018 0.00
11/23/2018 0.06
11/24/2018 0.00
11/25/2018 T
11/26/2018 0.00
11/27/2018 0.00
11/28/2018 0.00
11/29/2018 0.00
11/30/2018 0.28
12/1/2018 0.55
12/2/2018 0.05
12/3/2018 0.25
12/4/2018 0.00
12/5/2018 0.00
12/6/2018 0.00
12/7/2018 0.00
12/8/2018 0.07
12/9/2018 0.00
12/10/2018 0.00
12/11/2018 0.00
12/12/2018 0.00
12/13/2018 T
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
12/21/2018
12/22/2018
12/23/2018
12/24/2018
12/25/2018
12/26/2018
12/27/2018
12/28/2018
12/29/2018
12/30/2018
12/31/2018
Day of YearDaily PrcpMultiday Prcp
1/1/2019
1/2/2019
1/3/2019
1/4/2019
1/5/2019
1/6/2019
1/7/2019
1/8/2019
1/9/2019
1/10/2019
1/11/2019
1/12/2019
1/13/2019
1/14/2019
1/15/2019
1/16/2019
1/17/2019
1/18/2019
1/19/2019
1/20/2019
1/21/2019
1/22/2019
1/23/2019
1/24/2019
1/25/2019
1/26/2019
1/27/2019
1/28/2019
1/29/2019
1/30/2019
1/31/2019
2/1/2019
2/2/2019
2/3/2019
2/4/2019
2/5/2019
2/6/2019
2/7/2019
2/8/2019
2/9/2019
2/10/2019
2/11/2019
2/12/2019
2/13/2019
2/14/2019
2/15/2019
2/16/2019
2/17/2019
2/18/2019
2/19/2019
2/20/2019
2/21/2019
2/22/2019
2/23/2019
2/24/2019
2/25/2019
2/26/2019
2/27/2019
2/28/2019
3/1/2019
3/2/2019
3/3/2019
3/4/2019
3/5/2019
3/6/2019
3/7/2019
3/8/2019
3/9/2019
3/10/2019
3/11/2019
3/12/2019
3/13/2019
3/14/2019
3/15/2019
3/16/2019
3/17/2019
3/18/2019
3/19/2019
3/20/2019
3/21/2019
3/22/2019
3/23/2019
3/24/2019
3/25/2019
3/26/2019
3/27/2019
3/28/2019
3/29/2019
3/30/2019
3/31/2019
Day of YearDaily PrcpMultiday Prcp
4/1/2019
4/2/2019
4/3/2019
4/4/2019
4/5/2019
4/6/2019
4/7/2019
4/8/2019
4/9/2019
4/10/2019
4/11/2019
4/12/2019
4/13/2019
4/14/2019
4/15/2019
4/16/2019
4/17/2019
4/18/2019
4/19/2019
4/20/2019
4/21/2019
4/22/2019
4/23/2019
4/24/2019
4/25/2019
4/26/2019
4/27/2019
4/28/2019
4/29/2019
4/30/2019
5/1/2019
5/2/2019
5/3/2019
5/4/2019
5/5/2019
5/6/2019
5/7/2019
5/8/2019
5/9/2019
5/10/2019
5/11/2019
5/12/2019
5/13/2019
5/14/2019
5/15/2019
5/16/2019
5/17/2019
5/18/2019
5/19/2019
5/20/2019
5/21/2019
5/22/2019
5/23/2019
5/24/2019
5/25/2019
5/26/2019
5/27/2019
5/28/2019
5/29/2019
5/30/2019
5/31/2019
6/1/2019
6/2/2019
6/3/2019
6/4/2019
6/5/2019
6/6/2019
6/7/2019
6/8/2019
6/9/2019
6/10/2019
6/11/2019
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
6/28/2019
6/29/2019
6/30/2019
Day of YearDaily PrcpMultiday Prcp
7/1/2019
7/2/2019
7/3/2019
7/4/2019
7/5/2019
7/6/2019
7/7/2019
7/8/2019
7/9/2019
7/10/2019
7/11/2019
7/12/2019
7/13/2019
7/14/2019
7/15/2019
7/16/2019
7/17/2019
7/18/2019
7/19/2019
7/20/2019
7/21/2019
7/22/2019
7/23/2019
7/24/2019
7/25/2019
7/26/2019
7/27/2019
7/28/2019
7/29/2019
7/30/2019
7/31/2019
8/1/2019
8/2/2019
8/3/2019
8/4/2019
8/5/2019
8/6/2019
8/7/2019
8/8/2019
8/9/2019
8/10/2019
8/11/2019
8/12/2019
8/13/2019
8/14/2019
8/15/2019
8/16/2019
8/17/2019
8/18/2019
8/19/2019
8/20/2019
8/21/2019
8/22/2019
8/23/2019
8/24/2019
8/25/2019
8/26/2019
8/27/2019
8/28/2019
8/29/2019
8/30/2019
8/31/2019
9/1/2019
9/2/2019
9/3/2019
9/4/2019
9/5/2019
9/6/2019
9/7/2019
9/8/2019
9/9/2019
9/10/2019
9/11/2019
9/12/2019
9/13/2019
9/14/2019
9/15/2019
9/16/2019
9/17/2019
9/18/2019
9/19/2019
9/20/2019
9/21/2019
9/22/2019
9/23/2019
9/24/2019
9/25/2019
9/26/2019
9/27/2019
9/28/2019
9/29/2019
9/30/2019



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
10/2/2018 8:00 AM 0.11 M M M M Trace amount of rain around 9am, but most fell overnight.
10/3/2018 7:00 AM 0.43 M M M M Gauge is fogged and fog is rising from low areas. Can't see Sleeping Ute Mountain or the La Platas from here because of the fog.
10/4/2018 7:00 AM T M M M M
10/5/2018 7:00 AM 0.02 M M M M
10/6/2018 7:00 AM 0.01 M M M M
10/7/2018 7:30 AM 0.12 M M M M
10/8/2018 7:00 AM 0.15 M M M M
10/9/2018 7:00 AM 0.13 M M M M During the afternoon, the La Platas appeared to have gotten a heavy amount of snow. Over night, Sleeping Ute Mountain appeared to have received a lighter (but quite noticeable) dusting of snow. At this location, we received a soft sleet for several minutes in the afternoon.
10/10/2018 7:00 AM 0.09 M M M M
10/11/2018 8:45 AM 0.12 M M M M Mushrooms are beginning to grow at location again.
10/12/2018 7:00 AM 0.21 M M M M
10/13/2018 7:00 AM T M M M M
10/14/2018 7:00 AM 0.00 0.0 M M M
10/15/2018 7:00 AM 0.00 0.0 M M M
10/16/2018 7:00 AM 0.00 0.0 M M M
10/17/2018 7:30 AM 0.14 M M M M At least part of this fell as snow, which was only visible (patchy) on a shed roof and garage roof. Only liquid (no snow) in rain guage and elsewhere. Slight drizzle at time of reading.
10/18/2018 7:00 AM 0.03 M M M M Had intermittent, very light snow (sometimes as graupel, neither accumulated) mixed with a light drizzle of rain throughout morning. Rain drizzle continued intermittently throughout afternoon.
10/19/2018 7:00 AM 0.04 M M M M
10/20/2018 7:00 AM T M M M M
10/21/2018 7:00 AM 0.00 0.0 M M M
10/22/2018 7:00 AM 0.00 0.0 M M M Mushrooms started growing again.
10/23/2018 7:00 AM 0.04 M M M M Had more mushrooms grow today.
10/24/2018 7:00 AM 0.01 M M M M Rain gauge exterior was fogged up this morning.
10/25/2018 7:00 AM T M M M M
10/26/2018 7:00 AM 0.00 0.0 M M M
10/27/2018 7:00 AM 0.00 0.0 M M M
10/28/2018 7:00 AM 0.00 0.0 M M M
10/29/2018 7:00 AM 0.00 0.0 M M M
10/30/2018 7:00 AM 0.00 0.0 M M M
10/31/2018 7:00 AM 0.18 M M M M Snow mixed with rain started at approximately 1645hrs.
11/1/2018 7:00 AM T M M M M
11/2/2018 7:00 AM 0.00 0.0 M M M
11/3/2018 7:00 AM 0.00 0.0 M M M
11/4/2018 7:00 AM 0.00 0.0 M M M
11/5/2018 7:00 AM 0.01 M M M M At least part, if not all, fell as snow/very small snow pellets.
11/6/2018 7:00 AM 0.00 0.0 M M M
11/7/2018 7:00 AM 0.00 0.0 M M M
11/8/2018 7:00 AM 0.00 0.0 M M M
11/9/2018 7:00 AM 0.00 0.0 M M M
11/10/2018 7:00 AM 0.00 0.0 M M M
11/11/2018 7:00 AM 0.00 0.0 M M M
11/12/2018 7:00 AM 0.00 0.0 M M M
11/13/2018 7:00 AM 0.00 0.0 M M M
11/14/2018 7:00 AM 0.00 0.0 M M M
11/15/2018 7:00 AM 0.00 0.0 M M M
11/16/2018 7:00 AM 0.00 0.0 M M M
11/17/2018 7:00 AM 0.00 0.0 M M M
11/18/2018 7:00 AM 0.00 0.0 M M M
11/19/2018 7:00 AM 0.00 0.0 M M M
11/20/2018 7:00 AM 0.00 0.0 M M M
11/21/2018 7:00 AM 0.00 0.0 M M M
11/22/2018 7:00 AM 0.00 0.0 M M M
11/23/2018 7:00 AM 0.06 M M M M Fell as snow. Very light blanket of frozen snow remained on the ground through morning of 11/24.
11/24/2018 7:00 AM 0.00 0.0 M M M
11/25/2018 7:00 AM T M M M M Fell as snow that didn't last long.
11/26/2018 7:00 AM 0.00 0.0 M M M
11/27/2018 7:00 AM 0.00 0.0 M M M
11/28/2018 7:00 AM 0.00 0.0 M M M
11/29/2018 7:00 AM 0.00 0.0 M M M
11/30/2018 7:30 AM 0.28 M M M M Fell as snow.
12/1/2018 7:00 AM 0.55 M M M M Fell as snow. Two different periods of snow fell. First round melted and refroze, so gauge took 10 minutes to thaw and measure. Snow was falling heavily during that time and is not accounted for.
12/2/2018 7:30 AM 0.05 M M M M Fell as snow. Wind was driving snow horizontally
12/3/2018 7:00 AM 0.25 M M M M Fell in waves of snowfall (with several, roughly 20- minute breaks in between) throughout the day and into the evening. Was still snowing at 11pm.
12/4/2018 7:00 AM 0.00 0.0 M M M Still lots of snow on the ground. Don't have a way to accurately measure it, though. (Deer have trampled the exposed areas, including my measuring boards.)
12/5/2018 7:00 AM 0.00 0.0 M M M Still lots of snow on the ground. Don't have a way to accurately measure it, though. (Deer trampled the exposed areas early on, including my measuring boards.)
12/6/2018 7:00 AM 0.00 0.0 M M M Still lots of snow on the ground. Don't have a way to accurately measure it, though. (Deer trampled the exposed areas early on, including my measuring boards.)
12/7/2018 7:00 AM 0.00 0.0 M M M
12/8/2018 7:00 AM 0.07 M M M M
12/9/2018 7:00 AM 0.00 0.0 M M M Still quite a bit of snow on the ground.
12/10/2018 7:00 AM 0.00 0.0 M M M Still quite a bit of snow on the ground.
12/11/2018 7:00 AM 0.00 0.0 M M M Still quite a bit of snow on the ground.
12/12/2018 7:00 AM 0.00 0.0 M M M Still snow on the ground, but large patches of ground are becoming visible. Appeared as though melting occurred faster yesterday and last night than it had been occurring.
12/13/2018 7:00 AM T M M M M Actually snowed pretty well, but little made it into the gauge. Most melted off pavement upon impact.
12/14/2018 7:00 AM 0.00 0.0 M M M
12/15/2018 7:00 AM 0.00 0.0 M M M
12/16/2018 7:00 AM 0.00 0.0 M M M Ground snow becoming somewhat patchy now.
12/17/2018 7:00 AM 0.00 0.0 M M M
12/18/2018 7:00 AM 0.00 0.0 M M M
12/19/2018 7:00 AM 0.00 0.0 M M M Ground snow patchy with about 25-30% of ground visible (not counting paved areas).



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