Station Overview Station Location
Station Number WY-TT-13 Latitude 43.537
Station Name Jackson 5.3 NW Longitude -110.825
County Teton Elevation (ft) 6217



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 09 1.44 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 09 2.59 0.29 9 0.29 9 0.00 0 0 2 2 4.5 2 2
Dec 09 2.87 0.84 20 0.84 20 0.00 0 0 9 4 14.3 9 11
Jan 10 2.73 2.33 26 2.33 26 0.00 0 0 15 0 36.7 15 19
Feb 10 2.12 1.01 14 1.01 14 0.00 0 0 8 0 19.0 8 13
March 10 2.22 0.10 6 0.10 6 0.00 0 0 3 0 2.0 3 5
April 10 2.02 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 10 2.04 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 10 1.39 0.92 7 0.92 7 0.00 0 0 4 0 0.0 0 0
July 10 1.05 0.61 3 0.61 3 0.00 0 0 3 0 0.0 0 0
Aug 10 1.13 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 10 1.32 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 22.92" 6.10" 85 days 6.10" 85 0.00" 0 days 0 44 days 6 days 76.5" 37 days 50 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
10/1/2009
10/2/2009
10/3/2009
10/4/2009
10/5/2009
10/6/2009
10/7/2009
10/8/2009
10/9/2009
10/10/2009
10/11/2009
10/12/2009
10/13/2009
10/14/2009
10/15/2009
10/16/2009
10/17/2009
10/18/2009
10/19/2009
10/20/2009
10/21/2009
10/22/2009
10/23/2009
10/24/2009
10/25/2009
10/26/2009
10/27/2009
10/28/2009
10/29/2009
10/30/2009
10/31/2009
11/1/2009
11/2/2009
11/3/2009
11/4/2009
11/5/2009
11/6/2009
11/7/2009
11/8/2009
11/9/2009
11/10/2009
11/11/2009
11/12/2009
11/13/2009
11/14/2009
11/15/2009
11/16/2009
11/17/2009
11/18/2009
11/19/2009
11/20/2009
11/21/2009 0.03
11/22/2009 T
11/23/2009 0.26
11/24/2009 0.00
11/25/2009 0.00
11/26/2009 0.00
11/27/2009 0.00
11/28/2009 T
11/29/2009 0.00
11/30/2009
12/1/2009
12/2/2009 0.01
12/3/2009 0.00
12/4/2009 0.00
12/5/2009 0.00
12/6/2009 T
12/7/2009 0.02
12/8/2009 0.19
12/9/2009 0.01
12/10/2009 0.00
12/11/2009 0.00
12/12/2009 0.14
12/13/2009 0.33
12/14/2009 0.08
12/15/2009 T
12/16/2009 T
12/17/2009 T
12/18/2009
12/19/2009
12/20/2009
12/21/2009 0.04
12/22/2009
12/23/2009
12/24/2009 0.00
12/25/2009
12/26/2009
12/27/2009 0.00
12/28/2009
12/29/2009
12/30/2009
12/31/2009 0.02
Day of YearDaily PrcpMultiday Prcp
1/1/2010 0.16
1/2/2010 0.26
1/3/2010
1/4/2010 0.00
1/5/2010 0.08
1/6/2010 0.21
1/7/2010 0.00
1/8/2010 0.00
1/9/2010 0.00
1/10/2010 0.00
1/11/2010
1/12/2010 0.00
1/13/2010 0.04
1/14/2010
1/15/2010
1/16/2010 0.00
1/17/2010 0.00
1/18/2010 0.00
1/19/2010 0.41
1/20/2010 0.05
1/21/2010 0.16
1/22/2010 0.25
1/23/2010 0.24
1/24/2010 0.22
1/25/2010 0.06
1/26/2010 0.06
1/27/2010 0.07
1/28/2010 0.00
1/29/2010 0.00
1/30/2010
1/31/2010 0.06
2/1/2010 0.31
2/2/2010
2/3/2010
2/4/2010 0.09
2/5/2010 0.04
2/6/2010 0.16
2/7/2010 0.00
2/8/2010 0.00
2/9/2010 0.00
2/10/2010
2/11/2010
2/12/2010 0.14
2/13/2010 0.08
2/14/2010 0.00
2/15/2010 0.10
2/16/2010
2/17/2010
2/18/2010
2/19/2010
2/20/2010
2/21/2010
2/22/2010 0.00
2/23/2010 0.00
2/24/2010
2/25/2010 0.09
2/26/2010
2/27/2010
2/28/2010
3/1/2010 0.00
3/2/2010
3/3/2010
3/4/2010
3/5/2010
3/6/2010
3/7/2010 0.00
3/8/2010 0.03
3/9/2010
3/10/2010 0.03
3/11/2010
3/12/2010
3/13/2010
3/14/2010
3/15/2010
3/16/2010
3/17/2010
3/18/2010
3/19/2010
3/20/2010
3/21/2010
3/22/2010
3/23/2010 0.04
3/24/2010
3/25/2010 0.00
3/26/2010
3/27/2010
3/28/2010
3/29/2010
3/30/2010
3/31/2010
Day of YearDaily PrcpMultiday Prcp
4/1/2010
4/2/2010
4/3/2010
4/4/2010
4/5/2010
4/6/2010
4/7/2010
4/8/2010
4/9/2010
4/10/2010
4/11/2010
4/12/2010
4/13/2010
4/14/2010
4/15/2010
4/16/2010
4/17/2010
4/18/2010
4/19/2010
4/20/2010
4/21/2010
4/22/2010
4/23/2010
4/24/2010
4/25/2010
4/26/2010
4/27/2010
4/28/2010
4/29/2010
4/30/2010
5/1/2010
5/2/2010
5/3/2010
5/4/2010
5/5/2010
5/6/2010
5/7/2010
5/8/2010
5/9/2010
5/10/2010
5/11/2010
5/12/2010
5/13/2010
5/14/2010
5/15/2010
5/16/2010
5/17/2010
5/18/2010
5/19/2010
5/20/2010
5/21/2010
5/22/2010
5/23/2010
5/24/2010
5/25/2010
5/26/2010
5/27/2010
5/28/2010
5/29/2010
5/30/2010
5/31/2010
6/1/2010
6/2/2010
6/3/2010
6/4/2010
6/5/2010
6/6/2010
6/7/2010
6/8/2010
6/9/2010
6/10/2010
6/11/2010 0.49
6/12/2010 0.05
6/13/2010 0.06
6/14/2010
6/15/2010 0.00
6/16/2010 0.32
6/17/2010
6/18/2010 0.00
6/19/2010
6/20/2010
6/21/2010 0.00
6/22/2010
6/23/2010
6/24/2010
6/25/2010
6/26/2010
6/27/2010
6/28/2010
6/29/2010
6/30/2010
Day of YearDaily PrcpMultiday Prcp
7/1/2010
7/2/2010
7/3/2010
7/4/2010
7/5/2010
7/6/2010
7/7/2010
7/8/2010
7/9/2010
7/10/2010 0.20
7/11/2010 0.06
7/12/2010
7/13/2010
7/14/2010
7/15/2010
7/16/2010
7/17/2010
7/18/2010
7/19/2010
7/20/2010
7/21/2010
7/22/2010 0.35
7/23/2010
7/24/2010
7/25/2010
7/26/2010
7/27/2010
7/28/2010
7/29/2010
7/30/2010
7/31/2010
8/1/2010
8/2/2010
8/3/2010
8/4/2010
8/5/2010
8/6/2010
8/7/2010
8/8/2010
8/9/2010
8/10/2010
8/11/2010
8/12/2010
8/13/2010
8/14/2010
8/15/2010
8/16/2010
8/17/2010
8/18/2010
8/19/2010
8/20/2010
8/21/2010
8/22/2010
8/23/2010
8/24/2010
8/25/2010
8/26/2010
8/27/2010
8/28/2010
8/29/2010
8/30/2010
8/31/2010
9/1/2010
9/2/2010
9/3/2010
9/4/2010
9/5/2010
9/6/2010
9/7/2010
9/8/2010
9/9/2010
9/10/2010
9/11/2010
9/12/2010
9/13/2010
9/14/2010
9/15/2010
9/16/2010
9/17/2010
9/18/2010
9/19/2010
9/20/2010
9/21/2010
9/22/2010
9/23/2010
9/24/2010
9/25/2010
9/26/2010
9/27/2010
9/28/2010
9/29/2010
9/30/2010



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
11/21/2009 9:00 AM 0.03 0.5 0.03 M M
11/22/2009 8:00 AM T T T M M
11/23/2009 8:00 AM 0.26 4.0 0.26 M M bulk of snowfall in daylight hours yesterday:3.5". only .5" overnight
11/24/2009 8:00 AM 0.00 0.0 0.00 M M clear. overnight low 3 degrees at midnight
11/25/2009 8:00 AM 0.00 0.0 0.00 M M clear overnight. Low just above 0 degrees: 0.5 deg. calm
11/26/2009 8:00 AM 0.00 0.0 0.00 3.0 M sunny thanksgiving eve under Rendezvous Peak with a high of 27 and a low of 3 degrees.13 degrees at dawn.
11/27/2009 8:00 AM 0.00 0.0 0.00 M M
11/28/2009 8:00 AM T T T M M
11/29/2009 8:00 AM 0.00 0.0 0.00 2.0 M still clear and beautiful. High yesterday 39 and low 1 degree near dawn.No sign of winter
12/2/2009 7:00 AM 0.01 0.2 0.01 2.0 M overnight low finally dropped below zero. It is -12 at 0730. now snow flurries yesterday.
12/3/2009 8:00 AM 0.00 0.0 0.00 2.0 M still beautifully clear and a bit colder than last night. currently -15
12/4/2009 8:00 AM 0.00 0.0 M M M still clear and cold. -15 overnight with the high yesterday 12. Air is clear and a delight to breathe.
12/5/2009 8:00 AM 0.00 0.0 M M M Much warmer. only 3 degrees overnight. no snow but a bit of wind.
12/6/2009 8:00 AM T T T M M not as cold. overnite low +7 and windy and raw and cloudy. snow never showed up
12/7/2009 9:00 AM 0.02 0.2 0.02 M M -2 overnite. light fine snowfall started before dawn. nasty wind gone.
12/8/2009 8:00 AM 0.19 2.6 0.19 M M light snow overnight. cold. high of 8 yesterday. 5 this morning. calm
12/9/2009 8:00 AM 0.01 0.1 0.01 4.0 M high 15 yesterday, low -11. currently 2. skiff(.15) fine grained snow, more like a heavy frost overnite.
12/10/2009 8:00 AM 0.00 0.0 M 4.0 M cold, clear and beautiful. -22 overnight for the coldest night of the winter to date. +5 yesterday for the high. My old cummins diesel said no way jose.My older mercedes diesel said ditto jose.
12/11/2009 8:00 AM 0.00 0.0 M M M another chilly night. Overnight -19+. 55 Houses in town lost water when the pipes froze. We need snow cover . Dry winter so far.
12/12/2009 8:00 AM 0.14 3.3 0.14 M M snowing hard since dawn.winter storm warning for the tetons.FINALLY!
12/13/2009 8:00 AM 0.33 5.8 0.33 13.0 M light dry fine snow. Storm total is 9" on the hood of our Cummins at 8 am.
12/14/2009 8:00 AM 0.08 1.2 0.08 M M howling wind all night. Had to interpolate a bit to measure snow fall. Tapping cylinder probably settled the snow. Snow fall for the weekend storm here was 10.2".Ski area recvd almost 2 feet.High 33 yesterday. low 26 degrees.
12/15/2009 8:00 AM T T T 10.0 M cloudy calm. High 29 and low 20
12/16/2009 8:00 AM T T T 10.0 M high 33,low 28. very light fine snow just starting after dawn
12/17/2009 8:00 AM T T T 9.0 M high 36 yesterday . Temp 32-33 all night.Gloomy Heavy stratus layer with occasional flurries.
12/21/2009 8:00 AM 0.04 0.3 0.04 M M
12/24/2009 8:00 AM 0.00 0.0 0.00 6.0 M clear and cold. High 28 yesterday, low -15. 9 am -11
12/27/2009 8:00 AM 0.00 0.0 0.00 5.0 M -14 this morning. High of 22 yesterday but it felt like 32 or 42 with the sun. The yellow snow rocks as does El nino. skiing absolutely terrible. anyone considering coming to jackson hole to ski should reconsider!
12/31/2009 8:00 AM 0.02 0.6 0.02 8.0 M Light snow overnight. low 11. Lowest New years eve snowpack I can remember for the past 35 years here at the log shack in the woods
1/1/2010 8:00 AM 0.16 2.0 0.16 9.0 M light snow overnight with the blue moon just visible thru cloud breaks
1/2/2010 8:00 AM 0.26 3.9 0.26 13.0 M light fluffy snow overnight. calm. upper 20's all night
1/4/2010 8:00 AM 0.00 0.0 0.00 M M
1/5/2010 8:00 AM 0.08 1.0 0.08 M M
1/6/2010 8:00 AM 0.21 3.0 0.21 14.0 M blowing and snowing at dawn. Temp briefly hit 35 degrees at 4 am but down to 31 now with the barometer finally turning up. Travel out of Jackson Hole should be nasty. 5"@ mid mountain overnight. Bombing on the mountain sounds like a war zone.Avalanche danger is bound to be high.
1/7/2010 8:00 AM 0.00 0.0 M 14.0 M Ski patroller big wall wolling was swept away in an avalanche in Cheyenne bowl yesterday. his fate is unknown this morning. -31.7 this morning for the coldest night so far.
1/8/2010 8:00 AM 0.00 0.0 0.00 13.0 M still clear and cold. Low so far this morning is -31.2 which is the 8 am temp. Almost made it up to 0 for a high yesterday but clear sweet air and sparkling stars make it a desirable state of affairs unless you are an old car.
1/9/2010 8:00 AM 0.00 0.0 0.00 M M clear and not as cold -15 overnigh
1/10/2010 8:00 AM 0.00 0.0 M M M 11 this morning with heavy cloud layer
1/12/2010 8:00 AM 0.00 0.0 M M M still clear and dry day after day. every night below zero and in the teens during the day and very pleasant. snow pack is 61% of normal and it looks even less than that. -13 last night. very few skiers on the mountain.
1/13/2010 8:00 AM 0.04 0.7 0.04 M M warming up. only +3 yesterday with a high of 26. brief snow event.
1/16/2010 8:00 AM 0.00 0.0 M 13.0 M
1/17/2010 8:00 AM 0.00 0.0 M M M clear and dry the past 3 days, -2,-8 and -1 the last 3 nights. No sign of snow
1/18/2010 8:00 AM 0.00 0.0 0.00 13.0 M
1/19/2010 9:00 AM 0.41 6.5 0.41 18.0 M finally a little white snow to cover the yellow snow.calm
1/20/2010 8:00 AM 0.05 0.5 0.05 18.0 M light dry snow overnight.low of 0 and high of 34 yesterday.
1/21/2010 8:00 AM 0.16 2.0 0.16 18.0 M finally some light snow overnight. High yesterday was 26 and overnight low of 2 with the new snow coming in.
1/22/2010 8:00 AM 0.25 3.1 0.25 21.0 M light snow overnight, 3" at 730. temp 20. Starting to catch up with our snow deficit.
1/23/2010 8:00 AM 0.24 4.0 0.24 22.5 M intermittent snow, heavy at times. High 32 yesterday and low of 24 which is the current temp. Barometer 1003 and rising steeply. still no wind.
1/24/2010 8:00 AM 0.22 4.5 0.22 24.0 M hard to be sure of amounts with heavy snow yesterday accompanied by wind. plywood board was 4.5 inches but amounts ranged from 3.5 to 6.5" on other flat surfaces. Beautiful light powder snow.TV mid mountain got 7" since 4 PM and they usually report about 50% more than here so 4.5" is close.
1/25/2010 8:00 AM 0.06 2.0 0.06 25.0 M
1/26/2010 9:00 AM 0.06 1.5 0.06 24.5 M
1/27/2010 8:00 AM 0.07 1.0 0.07 24.0 M snowpack is still about 60% of normal around me in my Rendezvous Peak neighborhood despite a week of light snow. Very little snow in Jackson and a favorite Xcountry ski area, Cache Creek, has only a few packed inches. Teton Park is far better.
1/28/2010 8:00 AM 0.00 0.0 M 22.0 M -12 overnight and still -10 at 9 am. Warmed up with sun yesterday to 35. Spring fever!
1/29/2010 8:00 AM 0.00 0.0 M 22.0 M clear and beautiful yesterday.-11 overnight and high of 23 and calm.
1/31/2010 8:00 AM 0.06 1.0 0.06 21.0 M
2/1/2010 8:00 AM 0.31 5.5 0.31 25.0 M light powder snow with no wind.
2/4/2010 8:00 AM 0.09 1.5 0.09 23.5 M light snow overnight here. the mountain got 5". PLeaant temps and broken sun this morning.
2/5/2010 8:00 AM 0.04 1.0 0.04 23.0 M light fluffys overnight
2/6/2010 8:00 AM 0.16 3.0 0.16 26.0 M 3" of light snow overnight. Same amount on the summit of Rendezvous Mt.calm.
2/7/2010 8:00 AM 0.00 0.0 0.00 24.0 M clear and dry and cold overnight.-16 at morning coffee
2/8/2010 8:00 AM 0.00 0.0 M 24.0 M beautiful weather but clear and cold. -20.3 F at 0645 for the low. tooo cold to ski
2/9/2010 8:00 AM 0.00 0.0 M 23.0 M still beautiful and crystal clear and not as cold as the other night. A balmy -16. Snow pack still awful at 65% of normal. Last year at this time we were about 130%
2/12/2010 8:00 AM 0.14 2.5 0.14 25.0 M light snow with minute flakes starting in the wee hours before dawn, now picking up substantially.
2/13/2010 8:00 AM 0.08 1.0 0.08 M M predicted big snowstorm never materialized. warm overnight just below freezing.
2/14/2010 8:00 AM 0.00 0.0 M 24.0 M clear and cold overnight. -6 at 8 am.
2/15/2010 8:00 AM 0.10 3.0 0.10 26.5 M dry snow overnight, light as down. High yesterday 32 and only down to 16 with the snow.
2/22/2010 8:00 AM 0.00 0.0 0.00 22.0 M Cold clear night. -22 at dawn with high of 23 yesterday.
2/23/2010 8:00 AM 0.00 0.0 M 22.0 M still clear cold and beautiful . High 23 yesterday and only -16 overnight
2/25/2010 8:00 AM 0.09 1.5 0.09 23.0 M
3/1/2010 8:00 AM 0.00 0.0 M 21.0 M spring is nigh. high 45 yesterday and -1 overnight. snowpack dropping
3/7/2010 8:00 AM 0.00 0.0 M 15.0 M third warm day in a row. Highs the last two days 44 and 47 yesterday. Big time slump of the snow pack with standing water. spring is nigh.mudseason is back
3/8/2010 8:00 AM 0.03 0.5 0.03 16.0 M snow pack still slumping with warm sunny weather. 1/2" of snow yesterday afternoon
3/10/2010 8:00 AM 0.03 0.7 0.03 M M sunny yesterday. high 45, low 19. light snow overnight.
3/23/2010 8:00 AM 0.04 0.8 0.04 7.5 M
3/25/2010 8:00 AM 0.00 0.0 M 7.0 M overnight 12 degrees(now) with a balmy 47 yesterday. the snowpack continues to drop. clear air, no wind and shining white mountains with 50% of normal snowpack.
6/11/2010 8:00 AM 0.49 M M M M
6/12/2010 8:00 AM 0.05 M M M M cold and rainy June continues. .05 in plastic cyl and .06 in my vantage pro. snowing in the Tetons behind me with 2-3' predicted for the Winds and the tetons and the Snake River is snarling and brown.
6/13/2010 8:00 AM 0.06 M M M M
6/15/2010 8:00 AM 0.00 0.0 M M M
6/16/2010 8:00 AM 0.32 M M M M light rain all night. occ thunder
6/18/2010 8:00 AM 0.00 0.0 M M M rain finally stopped. High 53 yesterday and windy. low overnite 30. spectacular sunrise.
6/21/2010 8:00 AM 0.00 0.0 M M M
7/10/2010 8:00 AM 0.20 M M M M
7/11/2010 8:00 AM 0.06 M M M M
7/22/2010 8:00 AM 0.35 M M M M rainy and cool yesterday with lots of lightning which caused a tragedy up on the Grand. NOAA completely blew the forecast.



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