Station Overview Station Location
Station Number CO-GR-24 Latitude 40.0879
Station Name Granby .33 WNW Longitude -105.9453
County Grand Elevation (ft) 7972



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 13 1.08 0.47 7 0.47 7 0.00 0 0 5 1 4.6 5 5
Nov 13 0.81 0.36 7 0.36 7 0.00 0 0 4 1 4.4 4 6
Dec 13 0.86 0.31 13 0.31 13 0.00 0 0 3 2 2.7 3 13
Jan 14 0.75 1.42 22 1.42 22 0.00 0 0 14 0 11.5 13 22
Feb 14 0.82 0.16 1 0.16 1 0.00 0 0 1 0 5.2 1 1
March 14 0.84 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 14 1.18 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 14 1.37 1.01 1 1.01 1 0.00 0 0 1 0 0.0 0 0
June 14 1.39 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
July 14 1.57 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 14 1.65 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 14 1.52 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 13.84" 3.73" 51 days 3.73" 51 0.00" 0 days 0 28 days 4 days 28.4" 26 days 47 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
10/1/2013
10/2/2013
10/3/2013
10/4/2013
10/5/2013
10/6/2013 T
10/7/2013
10/8/2013
10/9/2013
10/10/2013
10/11/2013 0.14
10/12/2013
10/13/2013
10/14/2013
10/15/2013
10/16/2013
10/17/2013
10/18/2013 0.01
10/19/2013 0.00
10/20/2013
10/21/2013 0.02
10/22/2013
10/23/2013
10/24/2013
10/25/2013
10/26/2013
10/27/2013
10/28/2013
10/29/2013
10/30/2013 0.23
10/31/2013 0.07
11/1/2013 0.07
11/2/2013
11/3/2013
11/4/2013
11/5/2013
11/6/2013
11/7/2013
11/8/2013
11/9/2013
11/10/2013
11/11/2013
11/12/2013
11/13/2013
11/14/2013
11/15/2013 0.00
11/16/2013
11/17/2013
11/18/2013
11/19/2013
11/20/2013
11/21/2013
11/22/2013 0.14
11/23/2013 0.14
11/24/2013 0.01
11/25/2013 T
11/26/2013
11/27/2013 0.00
11/28/2013
11/29/2013
11/30/2013
12/1/2013
12/2/2013
12/3/2013
12/4/2013
12/5/2013
12/6/2013
12/7/2013
12/8/2013
12/9/2013 0.03
12/10/2013 0.00
12/11/2013 0.00
12/12/2013 0.00
12/13/2013 0.00
12/14/2013 T
12/15/2013 T
12/16/2013 0.00
12/17/2013 0.00
12/18/2013 0.00
12/19/2013 0.00
12/20/2013 0.07
12/21/2013
12/22/2013
12/23/2013 0.21
12/24/2013
12/25/2013
12/26/2013
12/27/2013
12/28/2013
12/29/2013
12/30/2013
12/31/2013
Day of YearDaily PrcpMultiday Prcp
1/1/2014
1/2/2014
1/3/2014
1/4/2014
1/5/2014
1/6/2014 0.02
1/7/2014
1/8/2014 0.04
1/9/2014 0.06
1/10/2014 0.05
1/11/2014 0.14
1/12/2014 0.06
1/13/2014 0.05
1/14/2014 0.12
1/15/2014 0.01
1/16/2014 0.00
1/17/2014 0.00
1/18/2014 0.00
1/19/2014
1/20/2014 0.00
1/21/2014 0.00
1/22/2014 0.00
1/23/2014 0.01
1/24/2014 0.00
1/25/2014
1/26/2014
1/27/2014 0.01
1/28/2014 0.06
1/29/2014 0.00
1/30/2014 0.22
1/31/2014 0.57
2/1/2014
2/2/2014
2/3/2014
2/4/2014
2/5/2014
2/6/2014 0.16
2/7/2014
2/8/2014
2/9/2014
2/10/2014
2/11/2014
2/12/2014
2/13/2014
2/14/2014
2/15/2014
2/16/2014
2/17/2014
2/18/2014
2/19/2014
2/20/2014
2/21/2014
2/22/2014
2/23/2014
2/24/2014
2/25/2014
2/26/2014
2/27/2014
2/28/2014
3/1/2014
3/2/2014
3/3/2014
3/4/2014
3/5/2014
3/6/2014
3/7/2014
3/8/2014
3/9/2014
3/10/2014
3/11/2014
3/12/2014
3/13/2014
3/14/2014
3/15/2014
3/16/2014
3/17/2014
3/18/2014
3/19/2014
3/20/2014
3/21/2014
3/22/2014
3/23/2014
3/24/2014
3/25/2014
3/26/2014
3/27/2014
3/28/2014
3/29/2014
3/30/2014
3/31/2014
Day of YearDaily PrcpMultiday Prcp
4/1/2014
4/2/2014
4/3/2014
4/4/2014
4/5/2014
4/6/2014
4/7/2014
4/8/2014
4/9/2014
4/10/2014
4/11/2014
4/12/2014
4/13/2014
4/14/2014
4/15/2014
4/16/2014
4/17/2014
4/18/2014
4/19/2014
4/20/2014
4/21/2014
4/22/2014
4/23/2014
4/24/2014
4/25/2014
4/26/2014
4/27/2014
4/28/2014
4/29/2014
4/30/2014
5/1/2014
5/2/2014
5/3/2014
5/4/2014
5/5/2014
5/6/2014
5/7/2014
5/8/2014
5/9/2014
5/10/2014
5/11/2014
5/12/2014
5/13/2014
5/14/2014
5/15/2014
5/16/2014
5/17/2014
5/18/2014
5/19/2014
5/20/2014
5/21/2014
5/22/2014
5/23/2014
5/24/2014
5/25/2014 1.01
5/26/2014
5/27/2014
5/28/2014
5/29/2014
5/30/2014
5/31/2014
6/1/2014
6/2/2014
6/3/2014
6/4/2014
6/5/2014
6/6/2014
6/7/2014
6/8/2014
6/9/2014
6/10/2014
6/11/2014
6/12/2014
6/13/2014
6/14/2014
6/15/2014
6/16/2014
6/17/2014
6/18/2014
6/19/2014
6/20/2014
6/21/2014
6/22/2014
6/23/2014
6/24/2014
6/25/2014
6/26/2014
6/27/2014
6/28/2014
6/29/2014
6/30/2014
Day of YearDaily PrcpMultiday Prcp
7/1/2014
7/2/2014
7/3/2014
7/4/2014
7/5/2014
7/6/2014
7/7/2014
7/8/2014
7/9/2014
7/10/2014
7/11/2014
7/12/2014
7/13/2014
7/14/2014
7/15/2014
7/16/2014
7/17/2014
7/18/2014
7/19/2014
7/20/2014
7/21/2014
7/22/2014
7/23/2014
7/24/2014
7/25/2014
7/26/2014
7/27/2014
7/28/2014
7/29/2014
7/30/2014
7/31/2014
8/1/2014
8/2/2014
8/3/2014
8/4/2014
8/5/2014
8/6/2014
8/7/2014
8/8/2014
8/9/2014
8/10/2014
8/11/2014
8/12/2014
8/13/2014
8/14/2014
8/15/2014
8/16/2014
8/17/2014
8/18/2014
8/19/2014
8/20/2014
8/21/2014
8/22/2014
8/23/2014
8/24/2014
8/25/2014
8/26/2014
8/27/2014
8/28/2014
8/29/2014
8/30/2014
8/31/2014
9/1/2014
9/2/2014
9/3/2014
9/4/2014
9/5/2014
9/6/2014
9/7/2014
9/8/2014
9/9/2014
9/10/2014
9/11/2014
9/12/2014
9/13/2014
9/14/2014
9/15/2014
9/16/2014
9/17/2014
9/18/2014
9/19/2014
9/20/2014
9/21/2014
9/22/2014
9/23/2014
9/24/2014
9/25/2014
9/26/2014
9/27/2014
9/28/2014
9/29/2014
9/30/2014



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/6/2013 7:00 AM T T T T T Hi 42*F Lo 17*F 7 am: 17*F Clear with ~ 3% cloud cover. Calm. Obs period overcast with a few snow-flakes falling at 7 am then clearing into sunshine.
10/11/2013 7:00 AM 0.14 0.1 0.01 0.1 0.01 7 am: 32*F Overcast and snowing lightly from the E-SE. Snow melted on ground. Ob perod rain-snow squall blew in at 3:02 pm. Rain-snow off and on. A few snowflakes at 12 am. Gauge total 0.13" at 8 pm. Hi was 53*F Lo 32*F.
10/18/2013 7:00 AM 0.01 0.2 0.01 0.2 0.01 7 am: Ptly cloudy with ~35% cl mostly over the top of the divide to the E; W wind 2-5 mph; and 26*F. Ob period mixture of ptly cloudy, sun, and snow. 10-min snowfall w/ no accumulation @ 1522. Snow overnight. Temp Hi 46*F Lo 26*F.
10/19/2013 7:00 AM 0.00 0.0 0.00 0.0 0.00 7 am: Mostly clear w/ ~5% cloud cover to the E. Calm and 13*F. Ob period partly cloudy with some sun. Windy for most of the day. Hi 41*F and Lo 13*F.
10/21/2013 7:00 AM 0.02 0.3 0.02 0.3 0.02 7 am: Overcast with ~85% cloud cover. 26*F and calm. Ob period mixture of ptly cloudy, sun, and series of snow flurries throughout the afternoon. Accumulation between 6 - 6:50 pm. Hi 45*F Lo 23*F.
10/30/2013 7:00 AM 0.23 2.7 0.26 2.7 0.26 7 am: 28*F Ptly cloudy with ~75% cloud cover. Calm with upper clouds moving to the E. Obs period first wave of snow from the W at 4:27 pm. Next wave from the E. Two other waves during the evening from the W.
10/31/2013 7:00 AM 0.07 1.3 0.05 2.0 0.06 Snowing Hi 37*F L 27*F 7 am 27*F. Several waves of snow with snow and melting during parts of the day. More snow overnight. Husband using the computer.
11/1/2013 7:00 AM 0.07 1.0 0.07 2.5 0.17 7 am: 30*F Clear with ~65% cloud cover. W wind. Obs period mixture of snow, sun, and wind. Snow at 7:15 pm with gusty winds by 8 pm. All measurements low due to wind transportation. Hi 32*F and L 30*F.
11/15/2013 7:00 AM 0.00 0.0 0.00 0.0 0.00 Hi 46*F Lo 15*F 7 am 15*F
11/22/2013 7:00 AM 0.14 1.5 0.12 1.5 0.12
11/23/2013 7:00 AM 0.14 1.8 0.14 3.0 0.22 7 am: 24*F Clearing with ~ 65% cloud cover. Calm. Obs period mostly cloudy. Snow during the night. Hi 32*F Lo 24*F.
11/24/2013 7:00 AM 0.01 0.1 0.01 2.4 0.22 Hi 37*F Lo 20*F 7 am 26*F
11/25/2013 7:00 AM T T T 2.4 0.22 7 am: 18*F Calm and Clear with ~ 75% cloud cover. New rime snow crystals. Hi 32*F and Lo 15*F.
11/27/2013 7:00 AM 0.00 0.0 0.00 1.8 0.24 7 am: 9*F Foggy, calm, and beautiful frost and surface hoar crystals. Yesterday, was mostly sunny with some snow melt. Hi 37*F Lo 8*F. fly swatter broken. Made a new one with a coffee can lid.
12/9/2013 7:00 AM 0.03 0.3 0.03 5.5 0.85 Hi 12*F Lo -1*F 7 am -1*F W-SW wind
12/10/2013 7:00 AM 0.00 0.0 0.00 5.5 M Hi 8*F Lo -3*F 7 am 0*F Overcast and calm. Sun and wind yesterday.
12/11/2013 7:00 AM 0.00 0.0 0.00 5.5 M Hi 22*F Lo -3*F 7am -3*F
12/12/2013 7:00 AM 0.00 0.0 0.00 5.5 M Hi 24*F Lo -6*F 7 am -4*F
12/13/2013 7:00 AM 0.00 0.0 0.00 5.5 M Hi 20*F Lo-6*F
12/14/2013 7:00 AM T T T 5.5 M Hi 20*F Lo 7*F 7 am 7*F and dropping. Snowing lightly, but clear and calm with ~30% cloud cover to the E. Obs period mostly sunny. New snow overnight.
12/15/2013 7:00 AM T T T 5.5 M Hi 27*F Lo 17*F 7 am 20*F Yesterday a few snow flakes early, but not measurable. Ave. snow depth hasn't changed.
12/16/2013 7:00 AM 0.00 0.0 0.00 5.5 0.68 Hi 32*F Lo 10*F 7 am 10*F Clear with ~45% cloud cover. Light N wind. Obs period mostly sunny with varying W NW wind off and on. Overall ave. snow depth hasn't changed much in a week. Snow is very dry and sublimating.
12/17/2013 7:00 AM 0.00 0.0 0.00 5.5 M
12/18/2013 7:00 AM 0.00 0.0 0.00 5.5 M
12/19/2013 7:00 AM 0.00 0.0 0.00 5.5 M Hi 32*F Lo 10*F C 10*F
12/20/2013 7:00 AM 0.07 0.9 0.07 6.0 0.79 Hi 40*F Lo 22*F 7 am 24*F A few flakes falling. Calm. W wind aloft. Clear with 75% cloud cover. Obs period partly cloudy with warm wind. Snow overnight.
12/23/2013 7:00 AM 0.21 1.5 0.13 8.5 1.24 Windy with drifting snow in waves for most of the obs period. Snow board only measured ave. 1.5" with 12+" drift at door. H 23*F Lo 19*F 7 am 22*F
1/6/2014 7:00 AM 0.02 0.1 0.01 9.5 1.36 Hi 14*F Lo 6*F 7 am 6*F W wind. Snow measurements low due to wind. NS board and totals are averages.
1/8/2014 7:00 AM 0.04 1.0 0.04 10.5 M Hi 23*F Lo 19*F 7 am 21*F Obs period mostly sunny. Snow overnight. Snowing very lightly this morning.
1/9/2014 7:00 AM 0.06 1.4 0.06 11.5 M Hi 32*F Lo 19*F 7 am 19*F Calm and clearing with ~85% cloud cover. High W winds aloft. Obs period light snow then sun in the morning. Snow overnight. First time the new snow hasn't been drifted up against the back door.
1/10/2014 7:00 AM 0.05 0.5 0.04 11.0 M Hi 32*F Lo 14*F 7 AM 15*F Calm with a few very small rimed snow crystals falling. Obs period snow in the morning and evening/night. Gusty winds started at 9:15 PM. NS range from 0.2"-0.8" with snow depth range 9"-12".
1/11/2014 7:00 AM 0.14 0.0 0.00 10.5 M Hi 28*F Lo 23*F Obs period very windy and gusty. Light W wind this morning. Board blown clear with decrease in total due to wind. Gauge wind effected. Neighbors born here talking about the wind and drifts.
1/12/2014 7:00 AM 0.06 1.0 0.07 11.0 M Hi 35*F Lo 26*F 7 AM 27*F Snowing lightly and calm. 100% cloud cover. Obs period mostly sunny with light W wind during the day. High W winds aloft. Snow after 12:30 AM.
1/13/2014 7:00 AM 0.05 0.5 0.06 11.0 1.79 Hi 26*F Lo 16*F 7 AM 17*F Snowing very lightly, 100% cloud cover, light W wind. Obs period mixture of snow and wind off and on with some sun. Averaged measurements
1/14/2014 7:00 AM 0.12 0.3 0.01 12.0 M Hi 30*F Lo 23*F 7 AM 23*F Gusty W-NW winds. Clear with ~85% cloud cover. Blowing snow. Obs period snowing AM and windy. Gauge and board wind effected. Board 0.0-0.5" ave 0.3". Snow depth 10.0-13.0" ave 12".
1/15/2014 7:00 AM 0.01 0.1 T 11.5 M Hi 28*F Lo 19*F 7 AM 19*F CALM, clear with ~45% high cloud cover. Nice sunrise colors. Obs period windy and blowing snow. Lost snow depth due to wind.
1/16/2014 7:00 AM 0.00 0.0 0.00 11.5 M Hi 32*F Lo 1*F 7 AM 2*F Calm and clear with ~10% cloud cover to the W. Obs period was sunny with a little W wind in the evening.
1/17/2014 7:00 AM 0.00 0.0 0.00 11.0 M Hi 32*F Lo 0*F 7 AM 0*F Calm and clear with 5% cloud cover to the E. Obs period ptly cloudy in the morning and mostly sunny with light W wind in the afternoon.
1/18/2014 7:00 AM 0.00 0.0 0.00 11.0 M Hi 29*F Lo -4*F 7 AM -3*F Clear with 1% cloud cover Calm Obs period sunny.
1/20/2014 7:00 AM 0.00 0.0 0.00 11.0 1.83 Hi 23*F Lo -3*F 7 AM -0*F Clear with 1% cloud cover. Calm. Obs period sunny. Snow depth range 10.0-12.0" with ave. at 10.75".
1/21/2014 7:00 AM 0.00 0.0 0.00 11.0 M Hi 32*F Lo -8*F 7 AM -8*F and dropping. Clear with 1% cloud cover. Calm with very light S breeze. Obs period sunny. Snow depth range 10.0-12.0" with ave. at 10.75".
1/22/2014 7:00 AM 0.00 0.0 0.00 11.0 M Hi 22*F Lo -9*F 7 AM -9*F Clear with ~ 15% cirrus cloud cover to S. Surface hoar. Obs period sunny and calm.
1/23/2014 7:00 AM 0.01 0.1 0.01 11.0 M Hi 22*F Lo -9*F 7 am 6*F New snow overnight.
1/24/2014 7:00 AM 0.00 0.0 0.00 11.0 M Hi 22*F Lo -11*F 7 am -11*F Clear with 35% cirrus cloud cover calm. Obs period mostly sunny.
1/27/2014 7:00 AM 0.01 0.6 0.10 11.0 1.84 Hi 38*F Lo -4*F 7 AM 23*F Snowing and calm. Obs period mostly sunny. New snow this morning.
1/28/2014 7:00 AM 0.06 0.8 0.07 12.0 M Hi 29 Lo -4*F 7 AM -1*F
1/29/2014 7:00 AM 0.00 0.0 0.00 11.5 M Hi 21*F Lo -9*F 7 AM -3*F Overcast with very light N-NW wind. Obs period mostly sunny with some cirrus clouds.
1/30/2014 7:00 AM 0.22 0.1 0.01 11.5 M Hi 32*F Lo -3*F 7 AM 25*F Snowing lightly with light N-NW wind. Obs period mostly cloudy with some sun. Snowing @ 5:40 PM. Gusty wind overnight. Snow board blown clear. Snow depth 10.5"-13".
1/31/2014 7:00 AM 0.57 5.0 0.56 16.5 M Hi 32*F Lo 22*F 7 AM 22*F Snowing very, very lightly and calm. Obs period snow drifts yesterday morning. Snow off and on. Not much wind later (husband's obs).
2/6/2014 7:00 AM 0.16 5.2 0.16 19.0 M Hi 18*F Lo 7*F 7 AM 8*F Snowing and calm. Obs period snowing in the morning and evening. Snow overnight.
5/25/2014 7:00 AM 1.01 0.0 0.00 0.0 0.00 07:00 41* F Overcast and calm. Heaviest rain between 22:10 - 22:23 after rain for much of the evening.



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