Station Overview Station Location
Station Number WA-CH-36 Latitude 47.79886
Station Name Chelan 10.0 WSW Longitude -120.232037
County Chelan Elevation (ft) 2850



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 11 0.96 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 11 2.28 0.00 9 0.00 7 0.00 2 0 0 4 5.8 2 6
Dec 11 2.64 0.86 24 0.25 4 0.61 20 3 1 0 5.0 1 1
Jan 12 2.34 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 12 1.59 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 12 1.22 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 12 0.79 0.49 11 0.49 11 0.00 0 0 2 0 0.0 0 0
May 12 1.14 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 12 1.07 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
July 12 0.52 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 12 0.39 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 12 0.48 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 15.42" 1.35" 44 days 0.74" 22 0.61" 22 days 3 3 days 4 days 10.8" 3 days 7 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
10/1/2011
10/2/2011
10/3/2011
10/4/2011
10/5/2011
10/6/2011
10/7/2011
10/8/2011
10/9/2011
10/10/2011
10/11/2011
10/12/2011
10/13/2011
10/14/2011
10/15/2011
10/16/2011
10/17/2011
10/18/2011
10/19/2011
10/20/2011
10/21/2011
10/22/2011
10/23/2011
10/24/2011
10/25/2011
10/26/2011
10/27/2011
10/28/2011
10/29/2011
10/30/2011
10/31/2011
11/1/2011
11/2/2011
11/3/2011
11/4/2011
11/5/2011
11/6/2011
11/7/2011
11/8/2011
11/9/2011
11/10/2011
11/11/2011
11/12/2011
11/13/2011
11/14/2011
11/15/2011
11/16/2011 0.00
11/17/2011 M
11/18/2011 T
11/19/2011
11/20/2011 T
11/21/2011 M
11/22/2011 T
11/23/2011
11/24/2011
11/25/2011
11/26/2011 0.00
11/27/2011 T
11/28/2011 0.00
11/29/2011 **
11/30/2011 **
12/1/2011 **
12/2/2011 **
12/3/2011 **
12/4/2011 **
12/5/2011 0.00
12/6/2011 0.00
12/7/2011 0.00 **
12/8/2011 **
12/9/2011 **
12/10/2011 **
12/11/2011 **
12/12/2011 **
12/13/2011 **
12/14/2011 **
12/15/2011 T
12/16/2011
12/17/2011
12/18/2011
12/19/2011
12/20/2011
12/21/2011
12/22/2011
12/23/2011
12/24/2011 0.00 **
12/25/2011 **
12/26/2011 **
12/27/2011 **
12/28/2011 **
12/29/2011 0.61
12/30/2011 0.25
12/31/2011
Day of YearDaily PrcpMultiday Prcp
1/1/2012
1/2/2012
1/3/2012
1/4/2012
1/5/2012
1/6/2012
1/7/2012
1/8/2012
1/9/2012
1/10/2012
1/11/2012
1/12/2012
1/13/2012
1/14/2012
1/15/2012
1/16/2012
1/17/2012
1/18/2012
1/19/2012
1/20/2012
1/21/2012
1/22/2012
1/23/2012
1/24/2012
1/25/2012
1/26/2012
1/27/2012
1/28/2012
1/29/2012
1/30/2012
1/31/2012
2/1/2012
2/2/2012
2/3/2012
2/4/2012
2/5/2012
2/6/2012
2/7/2012
2/8/2012
2/9/2012
2/10/2012
2/11/2012
2/12/2012
2/13/2012
2/14/2012
2/15/2012
2/16/2012
2/17/2012
2/18/2012
2/19/2012
2/20/2012
2/21/2012
2/22/2012
2/23/2012
2/24/2012
2/25/2012
2/26/2012
2/27/2012
2/28/2012
2/29/2012
3/1/2012
3/2/2012
3/3/2012
3/4/2012
3/5/2012
3/6/2012
3/7/2012
3/8/2012
3/9/2012
3/10/2012
3/11/2012
3/12/2012
3/13/2012
3/14/2012
3/15/2012
3/16/2012
3/17/2012
3/18/2012
3/19/2012
3/20/2012
3/21/2012
3/22/2012
3/23/2012
3/24/2012
3/25/2012
3/26/2012
3/27/2012
3/28/2012
3/29/2012
3/30/2012
3/31/2012
Day of YearDaily PrcpMultiday Prcp
4/1/2012
4/2/2012
4/3/2012
4/4/2012
4/5/2012
4/6/2012
4/7/2012
4/8/2012
4/9/2012
4/10/2012
4/11/2012
4/12/2012
4/13/2012 0.00
4/14/2012 0.00
4/15/2012 0.00
4/16/2012 0.00
4/17/2012 0.00
4/18/2012 0.00
4/19/2012 0.02
4/20/2012
4/21/2012
4/22/2012
4/23/2012 0.00
4/24/2012 0.00
4/25/2012 0.00
4/26/2012 0.47
4/27/2012
4/28/2012
4/29/2012
4/30/2012
5/1/2012
5/2/2012
5/3/2012
5/4/2012
5/5/2012
5/6/2012
5/7/2012
5/8/2012
5/9/2012
5/10/2012
5/11/2012
5/12/2012
5/13/2012
5/14/2012
5/15/2012
5/16/2012
5/17/2012
5/18/2012
5/19/2012
5/20/2012
5/21/2012
5/22/2012
5/23/2012
5/24/2012
5/25/2012
5/26/2012
5/27/2012
5/28/2012
5/29/2012
5/30/2012
5/31/2012
6/1/2012
6/2/2012
6/3/2012
6/4/2012
6/5/2012
6/6/2012
6/7/2012
6/8/2012
6/9/2012
6/10/2012
6/11/2012
6/12/2012
6/13/2012
6/14/2012
6/15/2012
6/16/2012
6/17/2012
6/18/2012
6/19/2012
6/20/2012
6/21/2012
6/22/2012
6/23/2012
6/24/2012
6/25/2012
6/26/2012
6/27/2012
6/28/2012
6/29/2012
6/30/2012
Day of YearDaily PrcpMultiday Prcp
7/1/2012
7/2/2012
7/3/2012
7/4/2012
7/5/2012
7/6/2012
7/7/2012
7/8/2012
7/9/2012
7/10/2012
7/11/2012
7/12/2012
7/13/2012
7/14/2012
7/15/2012
7/16/2012
7/17/2012
7/18/2012
7/19/2012
7/20/2012
7/21/2012
7/22/2012
7/23/2012
7/24/2012
7/25/2012
7/26/2012
7/27/2012
7/28/2012
7/29/2012
7/30/2012
7/31/2012
8/1/2012
8/2/2012
8/3/2012
8/4/2012
8/5/2012
8/6/2012
8/7/2012
8/8/2012
8/9/2012
8/10/2012
8/11/2012
8/12/2012
8/13/2012
8/14/2012
8/15/2012
8/16/2012
8/17/2012
8/18/2012
8/19/2012
8/20/2012
8/21/2012
8/22/2012
8/23/2012
8/24/2012
8/25/2012
8/26/2012
8/27/2012
8/28/2012
8/29/2012
8/30/2012
8/31/2012
9/1/2012
9/2/2012
9/3/2012
9/4/2012
9/5/2012
9/6/2012
9/7/2012
9/8/2012
9/9/2012
9/10/2012
9/11/2012
9/12/2012
9/13/2012
9/14/2012
9/15/2012
9/16/2012
9/17/2012
9/18/2012
9/19/2012
9/20/2012
9/21/2012
9/22/2012
9/23/2012
9/24/2012
9/25/2012
9/26/2012
9/27/2012
9/28/2012
9/29/2012
9/30/2012



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
11/16/2011 7:00 AM 0.00 0.0 M M M A small layer of frost on ground.
11/17/2011 7:00 AM M 4.9 M 5.0 M Wind blew snow off gauge, snowing on mountains around at observation time.
11/18/2011 7:00 AM T T M 4.5 M Moderate fog, trace of snow. (Still trying to correct cocorahs elevation. Elev. is 2850 ft.)
11/20/2011 7:00 AM T T M 3.5 M Fog at higher elevations.
11/21/2011 7:40 AM M 0.9 M 4.5 M Gauge fell over. Moderately snowing, starting within the last hour and increasing in amount falling.
11/22/2011 7:30 AM T T M 4.0 M Trace of snow, almost melted. Strong and warm breeze coming from the south. Temperature is high. Existing snow is melting and the water content is increasing. Lite drizzle falling
11/26/2011 8:50 AM 0.00 0.0 0.00 2.0 0.24 In the low 30s. Overvlcast. Light breeze.
11/27/2011 7:45 AM T 0.0 0.00 M M Overcast and calm.
11/28/2011 7:58 AM 0.00 0.0 M M M Most snow on ground has melted.
12/6/2011 8:05 AM 0.00 0.0 M M M Light layer of frost on ground.
12/7/2011 7:10 AM 0.00 0.0 M M M Medium layer of frost on ground. Clear skies with a few clouds to the south.
12/24/2011 7:00 AM 0.00 0.0 M M M Light frost, snow just starting to fall. Higher mountains have thick fog.
12/30/2011 9:00 AM 0.25 5.0 0.44 5.0 0.44 Moderate wind over night. Temperature is 35F and few stratus clouds around the mountains.
4/13/2012 7:00 AM 0.00 0.0 M 0.0 0.00 Sunny, cirrus clouds to the south, light frost on ground. No other clouds in sky.
4/14/2012 7:00 AM 0.00 0.0 M M M
4/15/2012 7:00 AM 0.00 0.0 M M M
4/16/2012 7:00 AM 0.00 0.0 M 0.0 M Overcast skies, fog and precipitation at higher elevations. Rain drops just starting to fall.
4/17/2012 7:00 AM 0.00 0.0 M M M
4/18/2012 7:00 AM 0.00 0.0 M 0.0 M Overcast, with blue skies to the north.
4/19/2012 7:30 AM 0.02 0.0 M 0.0 M Clear skies with Cirrus clouds.
4/23/2012 7:00 AM 0.00 0.0 M M M Nimbo stratus clouds to the north.
4/24/2012 7:00 AM 0.00 0.0 M M M
4/25/2012 7:00 AM 0.00 0.0 M M M
4/26/2012 7:00 AM 0.47 0.0 M 0.0 M Low clouds and fog, moderate rain.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
11/29/2011 12/05/2011 8:20 AM 7 0.00 0.0 0.00
12/7/2011 12/15/2011 8:16 AM 9 T T M
12/24/2011 12/29/2011 9:00 AM 6 0.61 T M 12/29/2011: Heavy rain around 3:00 AM PST.



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