Station Overview Station Location
Station Number CO-MZ-51 Latitude 37.3254013061523
Station Name Cortez 7.8 WSW Longitude -108.715034484863
County Montezuma Elevation (ft) 5720



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 1.45 1.24 3 1.24 3 0.00 0 0 3 0 0.0 0 0
Nov 18 1.36 0.43 2 0.43 2 0.00 0 0 2 0 0.5 1 1
Dec 18 0.96 1.07 14 0.47 3 0.60 11 1 3 0 6.2 3 1
Jan 19 1.33 2.00 8 1.67 6 0.33 2 1 5 0 1.7 2 6
Feb 19 1.32 2.91 17 2.91 17 0.00 0 0 10 3 20.9 8 15
March 19 1.63 2.73 13 2.73 13 0.00 0 0 9 0 0.0 0 5
April 19 1.08 0.29 1 0.29 1 0.00 0 0 1 0 0.0 0 0
May 19 0.91 1.86 12 1.86 12 0.00 0 0 12 0 0.0 0 0
June 19 0.46 0.03 1 0.03 1 0.00 0 0 1 0 0.0 0 0
July 19 1.29 0.13 7 0.13 1 0.00 6 0 1 0 0.0 0 0
Aug 19 1.72 0.25 21 0.10 1 0.15 20 1 1 0 0.0 0 0
Sept 19 1.34 0.22 12 0.00 0 0.22 12 1 0 0 0.0 0 0
Water Year Totals: 14.85" 13.16" 111 days 11.86" 60 1.30" 51 days 4 48 days 3 days 29.3" 14 days 28 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
10/2/2018 0.02
10/3/2018 0.37
10/4/2018
10/5/2018
10/6/2018
10/7/2018
10/8/2018
10/9/2018
10/10/2018
10/11/2018
10/12/2018
10/13/2018
10/14/2018
10/15/2018
10/16/2018
10/17/2018
10/18/2018
10/19/2018
10/20/2018
10/21/2018
10/22/2018
10/23/2018
10/24/2018
10/25/2018
10/26/2018
10/27/2018
10/28/2018
10/29/2018
10/30/2018
10/31/2018 0.85
11/1/2018
11/2/2018
11/3/2018
11/4/2018
11/5/2018
11/6/2018
11/7/2018
11/8/2018
11/9/2018
11/10/2018
11/11/2018
11/12/2018
11/13/2018
11/14/2018
11/15/2018
11/16/2018
11/17/2018
11/18/2018
11/19/2018
11/20/2018
11/21/2018
11/22/2018
11/23/2018 0.08
11/24/2018
11/25/2018
11/26/2018
11/27/2018
11/28/2018
11/29/2018
11/30/2018 0.35
12/1/2018 0.20
12/2/2018 0.20
12/3/2018
12/4/2018
12/5/2018
12/6/2018
12/7/2018 0.07
12/8/2018
12/9/2018
12/10/2018
12/11/2018
12/12/2018
12/13/2018
12/14/2018
12/15/2018
12/16/2018
12/17/2018
12/18/2018
12/19/2018
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 0.60
Day of YearDaily PrcpMultiday Prcp
1/1/2019 **
1/2/2019 0.33
1/3/2019
1/4/2019
1/5/2019
1/6/2019 0.47
1/7/2019 0.12
1/8/2019
1/9/2019
1/10/2019
1/11/2019
1/12/2019
1/13/2019 0.00
1/14/2019 0.08
1/15/2019
1/16/2019 0.88
1/17/2019
1/18/2019
1/19/2019
1/20/2019
1/21/2019
1/22/2019 0.12
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 0.23
2/4/2019 0.04
2/5/2019
2/6/2019 0.20
2/7/2019 0.11
2/8/2019
2/9/2019
2/10/2019
2/11/2019 0.08
2/12/2019
2/13/2019
2/14/2019
2/15/2019 1.35
2/16/2019 T
2/17/2019
2/18/2019 0.05
2/19/2019 T
2/20/2019 0.07
2/21/2019 0.28
2/22/2019 0.50
2/23/2019 T
2/24/2019
2/25/2019 0.00
2/26/2019 0.00
2/27/2019 0.00
2/28/2019 0.00
3/1/2019 0.00
3/2/2019 0.00
3/3/2019 0.28
3/4/2019 0.32
3/5/2019 0.00
3/6/2019
3/7/2019 0.00
3/8/2019
3/9/2019 0.33
3/10/2019
3/11/2019 0.08
3/12/2019 0.45
3/13/2019 1.11
3/14/2019 0.10
3/15/2019
3/16/2019
3/17/2019
3/18/2019
3/19/2019
3/20/2019
3/21/2019 0.03
3/22/2019
3/23/2019 0.03
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 0.29
5/1/2019 0.11
5/2/2019 0.07
5/3/2019
5/4/2019
5/5/2019
5/6/2019
5/7/2019
5/8/2019 0.07
5/9/2019
5/10/2019 0.10
5/11/2019
5/12/2019
5/13/2019
5/14/2019
5/15/2019
5/16/2019
5/17/2019 0.05
5/18/2019 0.02
5/19/2019
5/20/2019 0.06
5/21/2019 0.50
5/22/2019 0.77
5/23/2019 0.07
5/24/2019
5/25/2019 0.01
5/26/2019
5/27/2019 0.03
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 0.03
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 0.13
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 0.15
8/18/2019
8/19/2019
8/20/2019
8/21/2019
8/22/2019 0.10
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 0.22
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
10/2/2018 9:00 AM 0.02 M M M M Still raining
10/3/2018 9:00 AM 0.37 M M M M Rained most of yesterday, into the night.
10/31/2018 8:30 AM 0.85 M M M M Heavy rain between about 5 PM and 7 PM or so.
11/23/2018 9:00 AM 0.08 M M M M Rain Thu late afternoon, early evening. Didn't note times.
11/30/2018 9:00 AM 0.35 0.5 M 0.5 M snow stopped by 9:30.
12/1/2018 9:00 AM 0.20 0.5 M M M Forgot to send this report yesterday 12/1; snowing again now 12/2.
12/2/2018 9:00 AM 0.20 5.5 M M M Still snowing.
12/7/2018 9:00 AM 0.07 0.2 M 4.0 M Most snow on Thu; dusting after midnight.
1/6/2019 9:00 AM 0.47 0.7 M 8.5 M Rain and slush on top a half-inch sheet of ice. Still raining. More expected. Miserable weather. Time to hibernate.
1/7/2019 9:00 AM 0.12 T M 8.7 M Very thin sheet of ice on concrete apron used as snowboard.
1/13/2019 9:00 AM 0.00 T M 8.0 M Light dusting of snow began about 8:30 AM Sun.
1/14/2019 9:00 AM 0.08 T M 7.0 M Some rain during Sun. Light dusting of snow during Mon AM.
1/16/2019 9:00 AM 0.88 M M 6.0 M Starting raining about 5 PM; still dripping now.
1/22/2019 9:00 AM 0.12 1.0 M 3.0 M
2/3/2019 8:00 AM 0.23 M M 5.0 M Rain only; began after 10 PM; stopped before 7:45 AM.
2/4/2019 9:00 AM 0.04 M M 5.0 M Off and on rain since Yesterday AM.
2/6/2019 9:00 AM 0.20 2.0 M 2.0 M Snow began after 10 PM, still lightly snowing at obs time.
2/7/2019 9:00 AM 0.11 0.5 M 1.5 M
2/11/2019 9:00 AM 0.08 2.0 M 4.0 M Snow began late PM; still snowing at obs time.
2/15/2019 9:00 AM 1.35 0.0 M T M Rain started around 10 AM; stopped about 11 PM; then again briefly in the night.
2/16/2019 9:00 AM T T M T M Light sleet after 11 PM; done before 9 AM.
2/18/2019 9:00 AM 0.05 2.0 M 2.0 M
2/19/2019 9:00 AM T T M 1.5 M
2/20/2019 9:00 AM 0.07 1.0 M 3.0 M
2/21/2019 9:00 AM 0.28 6.0 M 8.0 M
2/22/2019 9:00 AM 0.50 7.2 M 12.5 M Obs made Fri Feb 22; just reported Sat Feb 23
2/23/2019 9:00 AM T 0.2 M 10.5 M
2/25/2019 9:00 AM 0.00 0.0 M 8.0 M No snow; no rain.
2/26/2019 9:00 AM 0.00 0.0 M 7.5 M No rain; no snow.
2/27/2019 9:00 AM 0.00 0.0 M 7.0 M No rain; no snow.
2/28/2019 9:00 AM 0.00 0.0 M 5.0 M No rain; no snow
3/1/2019 9:00 AM 0.00 0.0 M 3.0 M No rain; no snow.
3/2/2019 9:00 AM 0.00 0.0 M 2.0 M No rain; no snow.
3/3/2019 9:00 AM 0.28 M M 1.5 M Rain Sat between about 11 AM and 4 PM.
3/4/2019 9:00 AM 0.32 M M 1.0 M Rain off and on most of Sun; snow almost all gone except in a few flat areas and where it was shoveled into piles.
3/5/2019 9:00 AM 0.00 0.0 M 1.0 M No rain; no snow.
3/7/2019 9:00 AM 0.00 0.0 M 0.0 M Light rain yesterday but nada in gauge; snow all gone.
3/9/2019 9:00 AM 0.33 M M M M Rain off and on all day.
3/11/2019 9:00 AM 0.08 M M M M Rain in the night; stopped by 9 AM; started again since then.
3/12/2019 9:00 AM 0.45 M M M M Rain began late PM; still raining softly at obs time.
3/13/2019 8:00 AM 1.11 M M M M Raining off and on (mostly on) since sometime early Mon AM. Raining at obs time.
3/14/2019 8:00 AM 0.10 T M T M Rain frozen in gauge. Only a trace of snow on snowboard.
3/21/2019 9:00 AM 0.03 M M M M
3/23/2019 9:00 AM 0.03 M M M M
4/30/2019 9:00 AM 0.29 M M M M
5/1/2019 9:00 AM 0.11 M M M M
5/2/2019 9:00 AM 0.07 M M M M
5/8/2019 9:00 AM 0.07 M M M M Still raining at obs time.
5/10/2019 8:30 AM 0.10 M M M M
5/17/2019 9:00 AM 0.05 M M M M
5/18/2019 9:00 AM 0.02 M M M M
5/20/2019 9:00 AM 0.06 M M M M Raining at obs time.
5/21/2019 8:00 AM 0.50 M M M M Raining at obs time Mon; quit before 6 PM; may have rained again in the night.
5/22/2019 9:00 AM 0.77 M M M M All day Tue.
5/23/2019 9:00 AM 0.07 M M M M Off-and-on rain most of Wed; raining at obs time.
5/25/2019 9:00 AM 0.01 M M M M Don't know when it rained.
5/27/2019 9:00 AM 0.03 M M M M Rain in the night.
6/16/2019 9:00 AM 0.03 M M M M Rain about 3 PM for about ten min.
7/25/2019 9:00 AM 0.13 M M M M
8/22/2019 9:00 AM 0.10 M M M M Rain with some hail Wed about 2:15 PM to about 2:40 PM.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
12/21/2018 12/31/2018 9:00 AM 11 0.60 5.0 M Been away ten days. Snow on ground when left. 5.0 in total on ground this AM; 0.75 in new snow since last night. 0.6 in melt accumulated in guage.
1/1/2019 1/02/2019 9:00 AM 2 0.33 9.5 M 0.32 in on Jan 1; 0.01 in on Jan 2. Snow measure total 9.5 in on Jan 1; same on Jan 2.
7/26/2019 8/17/2019 9:00 AM 23 0.15 M M No rain Jul 26 to Aug 1. Away from home Aug 1 thru Aug 14. No rain Aug 15 to Aug 17.
8/29/2019 9/12/2019 9:00 AM 15 0.22 M M Son said it rained a couple or three times in our absence.



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