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 15 1.45 2.06 9 2.06 9 0.00 0 0 9 0 0.0 0 0
Nov 15 1.36 1.52 5 1.52 5 0.00 0 0 4 0 1.3 1 1
Dec 15 0.96 1.49 10 1.49 10 0.00 0 0 10 0 10.3 6 9
Jan 16 1.33 1.41 10 1.32 7 0.09 3 1 6 1 9.0 5 6
Feb 16 1.32 0.60 2 0.60 2 0.00 0 0 2 0 1.5 1 1
March 16 1.63 0.16 3 0.16 3 0.00 0 0 3 0 0.0 0 0
April 16 1.08 0.97 7 0.97 7 0.00 0 0 7 0 0.0 0 0
May 16 0.91 1.07 9 1.07 9 0.00 0 0 9 0 0.0 0 0
June 16 0.46 0.07 2 0.07 2 0.00 0 0 2 0 0.0 0 0
July 16 1.29 2.32 7 2.32 7 0.00 0 0 7 0 0.0 0 0
Aug 16 1.72 2.32 11 2.32 11 0.00 0 0 11 0 0.0 0 0
Sept 16 1.34 0.79 7 0.79 7 0.00 0 0 7 0 0.0 0 0
Water Year Totals: 14.85" 14.78" 82 days 14.69" 79 0.09" 3 days 1 77 days 1 days 22.1" 13 days 17 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
10/1/2015
10/2/2015
10/3/2015
10/4/2015
10/5/2015 0.15
10/6/2015 0.34
10/7/2015
10/8/2015
10/9/2015
10/10/2015
10/11/2015
10/12/2015
10/13/2015
10/14/2015
10/15/2015
10/16/2015
10/17/2015
10/18/2015 0.05
10/19/2015 0.53
10/20/2015 0.15
10/21/2015 0.70
10/22/2015 0.04
10/23/2015
10/24/2015
10/25/2015
10/26/2015 0.02
10/27/2015
10/28/2015
10/29/2015
10/30/2015 0.08
10/31/2015
11/1/2015
11/2/2015
11/3/2015
11/4/2015 0.21
11/5/2015 0.04
11/6/2015
11/7/2015
11/8/2015
11/9/2015
11/10/2015
11/11/2015 0.27
11/12/2015
11/13/2015
11/14/2015
11/15/2015
11/16/2015 1.00
11/17/2015
11/18/2015
11/19/2015
11/20/2015
11/21/2015
11/22/2015
11/23/2015
11/24/2015
11/25/2015
11/26/2015
11/27/2015
11/28/2015
11/29/2015
11/30/2015 0.00
12/1/2015
12/2/2015
12/3/2015
12/4/2015
12/5/2015
12/6/2015
12/7/2015
12/8/2015
12/9/2015
12/10/2015
12/11/2015
12/12/2015 0.13
12/13/2015
12/14/2015 0.10
12/15/2015 0.47
12/16/2015 0.10
12/17/2015
12/18/2015
12/19/2015
12/20/2015
12/21/2015 0.04
12/22/2015 0.16
12/23/2015 0.25
12/24/2015 0.05
12/25/2015 0.15
12/26/2015 0.04
12/27/2015
12/28/2015
12/29/2015
12/30/2015
12/31/2015
Day of YearDaily PrcpMultiday Prcp
1/1/2016
1/2/2016
1/3/2016
1/4/2016
1/5/2016 0.13
1/6/2016 0.35
1/7/2016 0.57
1/8/2016 M
1/9/2016 0.02
1/10/2016
1/11/2016
1/12/2016
1/13/2016
1/14/2016
1/15/2016
1/16/2016
1/17/2016
1/18/2016
1/19/2016 **
1/20/2016 **
1/21/2016 0.09
1/22/2016
1/23/2016
1/24/2016 T
1/25/2016 0.13
1/26/2016
1/27/2016
1/28/2016
1/29/2016
1/30/2016
1/31/2016 0.12
2/1/2016 0.45
2/2/2016 0.15
2/3/2016
2/4/2016
2/5/2016
2/6/2016
2/7/2016
2/8/2016
2/9/2016
2/10/2016
2/11/2016
2/12/2016
2/13/2016
2/14/2016
2/15/2016
2/16/2016
2/17/2016
2/18/2016
2/19/2016
2/20/2016
2/21/2016
2/22/2016
2/23/2016
2/24/2016
2/25/2016
2/26/2016
2/27/2016
2/28/2016
2/29/2016
3/1/2016
3/2/2016
3/3/2016
3/4/2016
3/5/2016
3/6/2016 0.08
3/7/2016 0.03
3/8/2016
3/9/2016
3/10/2016
3/11/2016
3/12/2016
3/13/2016
3/14/2016
3/15/2016
3/16/2016
3/17/2016
3/18/2016
3/19/2016
3/20/2016
3/21/2016
3/22/2016
3/23/2016
3/24/2016
3/25/2016
3/26/2016 0.05
3/27/2016
3/28/2016
3/29/2016
3/30/2016
3/31/2016
Day of YearDaily PrcpMultiday Prcp
4/1/2016
4/2/2016
4/3/2016
4/4/2016
4/5/2016
4/6/2016
4/7/2016
4/8/2016
4/9/2016 0.04
4/10/2016 0.08
4/11/2016
4/12/2016
4/13/2016 0.07
4/14/2016
4/15/2016
4/16/2016 0.38
4/17/2016 0.28
4/18/2016
4/19/2016
4/20/2016
4/21/2016
4/22/2016
4/23/2016
4/24/2016
4/25/2016
4/26/2016
4/27/2016
4/28/2016 0.04
4/29/2016
4/30/2016 0.08
5/1/2016 0.24
5/2/2016 0.06
5/3/2016
5/4/2016
5/5/2016
5/6/2016
5/7/2016 0.05
5/8/2016 0.04
5/9/2016 0.35
5/10/2016 0.03
5/11/2016
5/12/2016
5/13/2016
5/14/2016
5/15/2016
5/16/2016 0.04
5/17/2016 0.13
5/18/2016 0.13
5/19/2016
5/20/2016
5/21/2016
5/22/2016
5/23/2016
5/24/2016
5/25/2016
5/26/2016
5/27/2016
5/28/2016
5/29/2016
5/30/2016
5/31/2016
6/1/2016
6/2/2016
6/3/2016
6/4/2016
6/5/2016
6/6/2016
6/7/2016
6/8/2016
6/9/2016
6/10/2016
6/11/2016
6/12/2016 0.04
6/13/2016
6/14/2016
6/15/2016
6/16/2016
6/17/2016
6/18/2016
6/19/2016
6/20/2016
6/21/2016
6/22/2016
6/23/2016
6/24/2016
6/25/2016
6/26/2016
6/27/2016
6/28/2016
6/29/2016
6/30/2016 0.03
Day of YearDaily PrcpMultiday Prcp
7/1/2016 0.40
7/2/2016 0.42
7/3/2016 0.84
7/4/2016
7/5/2016
7/6/2016
7/7/2016
7/8/2016
7/9/2016
7/10/2016
7/11/2016
7/12/2016
7/13/2016
7/14/2016
7/15/2016
7/16/2016
7/17/2016
7/18/2016
7/19/2016 0.03
7/20/2016 0.15
7/21/2016 0.28
7/22/2016
7/23/2016
7/24/2016
7/25/2016
7/26/2016
7/27/2016
7/28/2016
7/29/2016
7/30/2016
7/31/2016 0.20
8/1/2016
8/2/2016
8/3/2016 0.02
8/4/2016 0.23
8/5/2016 0.09
8/6/2016 0.26
8/7/2016 0.25
8/8/2016
8/9/2016
8/10/2016
8/11/2016
8/12/2016
8/13/2016
8/14/2016
8/15/2016
8/16/2016
8/17/2016
8/18/2016
8/19/2016 0.03
8/20/2016
8/21/2016 0.13
8/22/2016
8/23/2016 0.07
8/24/2016 0.57
8/25/2016 0.57
8/26/2016
8/27/2016 0.10
8/28/2016
8/29/2016
8/30/2016
8/31/2016
9/1/2016
9/2/2016 0.18
9/3/2016
9/4/2016
9/5/2016
9/6/2016
9/7/2016
9/8/2016
9/9/2016
9/10/2016
9/11/2016
9/12/2016
9/13/2016 0.17
9/14/2016 0.13
9/15/2016
9/16/2016
9/17/2016
9/18/2016
9/19/2016
9/20/2016
9/21/2016 0.01
9/22/2016
9/23/2016 0.15
9/24/2016
9/25/2016
9/26/2016
9/27/2016
9/28/2016
9/29/2016 0.08
9/30/2016 0.07



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/5/2015 9:00 AM 0.15 M M M M
10/6/2015 9:00 AM 0.34 M M M M Rained in the afternoon and on into the cold dark night.
10/18/2015 8:00 AM 0.05 M M M M Rained since 11 PM. Still dripping.
10/19/2015 9:00 AM 0.53 M M M M Started about 11:30 PM and last thru the wee hours. Raining again now, at 1:30 PM.
10/20/2015 8:00 AM 0.15 M M M M Rained mostly in PM Oct 19.
10/21/2015 8:00 AM 0.70 M M M M Heavy hail and rain yesterday PM.
10/22/2015 9:00 AM 0.04 M M M M
10/26/2015 8:00 AM 0.02 M M M M
10/30/2015 9:00 AM 0.08 M M M M Circumstantial evidence indicates that rain occurred during the nighttime hours.
11/4/2015 8:00 AM 0.21 M M M M Rain started about 11 PM.
11/5/2015 8:00 AM 0.04 T T T T
11/11/2015 9:00 AM 0.27 1.3 M 1.3 M
11/16/2015 8:00 AM 1.00 M M M M Mixed rain and snow since after 10 PM; snowing at present but no accumulation.
11/30/2015 9:00 AM 0.00 0.0 M M M Trace of snow overnight in gauge; none on ground or on snow measuring surface. Melted snow in gauge amounted to two drops into measuring tube.
12/12/2015 9:00 AM 0.13 M M M M Snow in early AM. Only a trace on snow board surface.
12/14/2015 9:00 AM 0.10 0.8 0.10 1.0 0.10 Snowing at present. Began after 2:30 AM.
12/15/2015 8:30 AM 0.47 4.5 0.47 5.5 0.47 Snow most of the past 24 hrs. Still snowing lightly.
12/16/2015 9:00 AM 0.10 1.0 0.10 6.0 M Snowed yesterday until about 2 PM.
12/21/2015 8:00 AM 0.04 1.0 0.40 3.0 M Overnight snow.
12/22/2015 8:00 AM 0.16 1.0 0.16 3.5 M Snow after 10 PM. Snowing at present.
12/23/2015 9:00 AM 0.25 M M 2.5 M Snowing at present.
12/24/2015 9:00 AM 0.05 M M 1.5 M Snowed Wed PM. Snowing again presently.
12/25/2015 9:00 AM 0.15 2.0 M 2.0 M Snowing off and on since Mon. Snowing at present.
12/26/2015 8:30 AM 0.04 M M 3.0 M
1/5/2016 9:00 AM 0.13 0.7 0.13 2.0 M Snow began about 5:00 PM. Stopped in wee hours.
1/6/2016 9:00 AM 0.35 T M T M Mixed rain and snow since early AM. No snow or ice in snow gauge. Snowing presently.
1/7/2016 9:00 AM 0.57 2.0 M 4.0 M Snowing since yesterday early PM. Stopped after 9 AM. More in sight.
1/8/2016 9:00 AM M 5.0 M 6.5 M Snowing since some prior date in distant memory Snowing at present. Will be snowing long after I'm gone. {EDIT: Observer reported 1.22 of new precip/ melted value which was high. Observer was contacted and was also curious why so much water was in the gauge, because the snow didn't seem that wet or heavy. He thinks he may have added too much water to melt the snow and then forgot to subtract it. But, he's really not sure. Changed reported value of 1.22 to NA. -DNT}
1/9/2016 9:00 AM 0.02 T 0.02 5.5 M Light snow yesterday, ending in late PM.
1/24/2016 9:00 AM T T M 4.5 M Had just started snowing at observation time; still snowing now.
1/25/2016 9:00 AM 0.13 0.3 M 1.0 M Snowed about 9 to 11 AM yesterday; snow mostly gone by 9 AM this morn.
1/31/2016 9:00 AM 0.12 1.0 M M M Snow started after 11 PM. Still snowing lightly.
2/1/2016 9:00 AM 0.45 T M M M Snow; Thaw; Rain; Snow and Sleet -- all since 9 AM yesterday.
2/2/2016 9:00 AM 0.15 1.5 M 3.0 M Snowed most of yesterday.
3/6/2016 9:00 AM 0.08 M M M M Rain overnight.
3/7/2016 9:00 AM 0.03 M M M M Rain briefly bet 4 and 5 AM.
3/26/2016 9:00 AM 0.05 T 0.05 T 0.05 Snowing at 7:30 AM; mostly gone by 9:00 AM.
4/9/2016 9:00 AM 0.04 M M M M Rained yesterday late PM.
4/10/2016 9:00 AM 0.08 M M M M Intermittent rain Saturday early PM.
4/13/2016 9:00 AM 0.07 M M M M Rained for about three minutes yesterday PM.
4/16/2016 8:00 AM 0.38 M M M M Rained heavily at times throughout yesterday afternoon and into the early night.
4/17/2016 9:00 AM 0.28 M M M M Rained yesterday PM.
4/28/2016 9:00 AM 0.04 M M M M Rained between 10:30 PM and 8:00 AM.
4/30/2016 9:00 AM 0.08 M M M M Rained between 11:30 PM and 6:30 AM.
5/1/2016 9:00 AM 0.24 M M M M Heavy rain after midnight up to about 7 AM. Sprinkles since.
5/2/2016 9:00 AM 0.06 M M M M Rained overnight.
5/7/2016 9:00 AM 0.05 M M M M Rained overnight. Still raining lightly and sporadically.
5/8/2016 9:00 AM 0.04 M M M M Rained overnight. Rained again since 9:00 AM.
5/9/2016 9:00 AM 0.35 M M M M Rained yesterday and overnight; still raining.
5/10/2016 8:00 AM 0.03 M M M M Rained yesterday, mostly in the AM.
5/16/2016 9:00 AM 0.04 M M M M Rained sometime since last recording. Raining now (3:00 PM MDT).
5/17/2016 8:00 AM 0.13 M M M M Rain since about Noon or 1 PM yesterday.
5/18/2016 9:00 AM 0.13 M M M M Rained a bit.
6/12/2016 9:00 AM 0.04 M M M M Rained Sat PM - Sun AM.
6/30/2016 9:00 AM 0.03 M M M M Rained about 15 min about 3:30 PM.
7/1/2016 9:00 AM 0.40 M M M M Rained about 3:30 PM to 4:30 PM.
7/2/2016 9:00 AM 0.42 M M M M Rained yesterday afternoon and again this early AM.
7/3/2016 9:00 AM 0.84 M M M M Rained Sat afternoon and late night.
7/19/2016 9:00 AM 0.03 M M M M Rained about 11:00 PM briefly.
7/20/2016 9:00 AM 0.15 M M M M Rained about 7 PM for a half hour.
7/21/2016 9:00 AM 0.28 M M M M Rained late in the evening.
7/31/2016 9:00 AM 0.20 M M M M Rained in late PM.
8/3/2016 9:00 AM 0.02 M M M M Rained very late PM.
8/4/2016 9:00 AM 0.23 M M M M Apparently rained all night.
8/5/2016 9:00 AM 0.09 M M M M Rained in afternoon.
8/6/2016 9:00 AM 0.26 M M M M Downpour 4:00 PM to 4:20 PM; rained again after dark.
8/7/2016 9:00 AM 0.25 M M M M Rained between about Noon and 1:30 PM.
8/19/2016 9:00 AM 0.03 M M M M Rained sometime yesterday; didn’t notice when.
8/21/2016 9:00 AM 0.13 M M M M Rained about 5 PM yesterday for about 20 min.
8/23/2016 9:00 AM 0.07 M M M M Rained sometime since yesterday’s report.
8/24/2016 9:00 AM 0.57 M M M M Rained most of the day yesterday.
8/25/2016 9:00 AM 0.57 M M M M Rained from about 6:00 PM until after 10:00 PM.
8/27/2016 9:00 AM 0.10 M M M M Rained between about 6 AM and 8:30 AM Sat Aug 27.
9/2/2016 9:00 AM 0.18 M M M M Rained after 10 PM. Had stopped before 6:30 AM.
9/13/2016 9:00 AM 0.17 M M M M Rained around Noon yesterday for about a half hour, and then again briefly about 6 PM. Raining heavily now (9/13 @ 4:40 PM).
9/14/2016 9:00 AM 0.13 M M M M Rained heavily about 4:30 PM for around 20 min.
9/21/2016 9:00 AM 0.01 M M M M Rained apparently very lightly in the early AM; raining more heavily now (9:25 AM).
9/23/2016 9:00 AM 0.15 M M M M Rained off and on from early AM until after 9:00 AM.
9/29/2016 9:00 AM 0.08 M M M M
9/30/2016 9:00 AM 0.07 M M M M Rained mostly yesterday until late PM.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
1/19/2016 1/21/2016 9:00 AM 3 0.09 4.5 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