Station Overview Station Location
Station Number ID-LT-5 Latitude 46.87488
Station Name Viola 4.5 NE Longitude -116.946138
County Latah Elevation (ft) 2919



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 10 2.00 3.09 33 0.99 20 2.10 13 4 6 0 0.0 0 0
Nov 10 3.81 2.43 30 2.16 28 0.27 2 1 15 2 21.5 10 13
Dec 10 3.62 4.42 31 3.66 26 0.76 5 1 16 2 25.5 11 20
Jan 11 3.51 0.40 10 0.19 7 0.21 3 1 3 0 2.3 3 7
Feb 11 2.81 0.31 1 0.31 1 0.00 0 0 1 0 5.5 1 0
March 11 2.83 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 11 2.31 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 11 2.40 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 11 1.90 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
July 11 0.93 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 11 0.89 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 11 1.20 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 28.21" 10.65" 105 days 7.31" 82 3.34" 23 days 7 41 days 4 days 54.8" 25 days 40 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
10/1/2010 0.00 **
10/2/2010 0.00 **
10/3/2010 **
10/4/2010 **
10/5/2010 **
10/6/2010 **
10/7/2010 0.83
10/8/2010 0.05
10/9/2010 **
10/10/2010 0.09
10/11/2010 0.21
10/12/2010 0.00
10/13/2010 0.00
10/14/2010 0.00
10/15/2010 0.00
10/16/2010 0.00
10/17/2010 0.00
10/18/2010 0.00
10/19/2010 0.00
10/20/2010 0.00
10/21/2010 0.00
10/22/2010 0.00
10/23/2010 0.07
10/24/2010 0.46
10/25/2010 **
10/26/2010 0.55
10/27/2010 0.15
10/28/2010 0.00
10/29/2010 0.05
10/30/2010 **
10/31/2010 0.63
11/1/2010 0.00
11/2/2010 0.00
11/3/2010 0.00
11/4/2010 0.00
11/5/2010 0.00
11/6/2010 0.00
11/7/2010 0.08
11/8/2010 0.51
11/9/2010 0.00
11/10/2010 0.02
11/11/2010 0.00
11/12/2010 0.06
11/13/2010 0.00
11/14/2010 0.09
11/15/2010 **
11/16/2010 0.27
11/17/2010 0.01
11/18/2010 0.47
11/19/2010 0.02
11/20/2010 T
11/21/2010 0.00
11/22/2010 0.16
11/23/2010 0.32
11/24/2010 0.06
11/25/2010 T
11/26/2010 0.08
11/27/2010 0.12
11/28/2010 0.15
11/29/2010 0.00
11/30/2010 0.01
12/1/2010 0.20
12/2/2010 0.17
12/3/2010 0.16
12/4/2010 T
12/5/2010 0.00
12/6/2010 0.00
12/7/2010 **
12/8/2010 **
12/9/2010 **
12/10/2010 **
12/11/2010 0.76
12/12/2010 0.19
12/13/2010 0.29
12/14/2010 0.58
12/15/2010 0.04
12/16/2010 0.00
12/17/2010 0.00
12/18/2010 T
12/19/2010 0.07
12/20/2010 0.21
12/21/2010 0.00
12/22/2010 0.00
12/23/2010 0.08
12/24/2010 0.00
12/25/2010 0.00
12/26/2010 0.15
12/27/2010 0.14
12/28/2010 0.35
12/29/2010 0.79
12/30/2010 0.19
12/31/2010 0.05
Day of YearDaily PrcpMultiday Prcp
1/1/2011 0.00
1/2/2011 0.00
1/3/2011 0.00
1/4/2011 0.00
1/5/2011 0.10
1/6/2011 **
1/7/2011 **
1/8/2011 0.21
1/9/2011 0.07
1/10/2011 0.02
1/11/2011
1/12/2011
1/13/2011
1/14/2011
1/15/2011
1/16/2011
1/17/2011
1/18/2011
1/19/2011
1/20/2011
1/21/2011
1/22/2011
1/23/2011
1/24/2011
1/25/2011
1/26/2011
1/27/2011
1/28/2011
1/29/2011
1/30/2011
1/31/2011
2/1/2011
2/2/2011
2/3/2011
2/4/2011
2/5/2011
2/6/2011
2/7/2011
2/8/2011
2/9/2011
2/10/2011
2/11/2011
2/12/2011
2/13/2011
2/14/2011
2/15/2011
2/16/2011
2/17/2011
2/18/2011
2/19/2011
2/20/2011
2/21/2011
2/22/2011 0.31
2/23/2011
2/24/2011
2/25/2011
2/26/2011
2/27/2011
2/28/2011
3/1/2011
3/2/2011
3/3/2011
3/4/2011
3/5/2011
3/6/2011
3/7/2011
3/8/2011
3/9/2011
3/10/2011
3/11/2011
3/12/2011
3/13/2011
3/14/2011
3/15/2011
3/16/2011
3/17/2011
3/18/2011
3/19/2011
3/20/2011
3/21/2011
3/22/2011
3/23/2011
3/24/2011
3/25/2011
3/26/2011
3/27/2011
3/28/2011
3/29/2011
3/30/2011
3/31/2011
Day of YearDaily PrcpMultiday Prcp
4/1/2011
4/2/2011
4/3/2011
4/4/2011
4/5/2011
4/6/2011
4/7/2011
4/8/2011
4/9/2011
4/10/2011
4/11/2011
4/12/2011
4/13/2011
4/14/2011
4/15/2011
4/16/2011
4/17/2011
4/18/2011
4/19/2011
4/20/2011
4/21/2011
4/22/2011
4/23/2011
4/24/2011
4/25/2011
4/26/2011
4/27/2011
4/28/2011
4/29/2011
4/30/2011
5/1/2011
5/2/2011
5/3/2011
5/4/2011
5/5/2011
5/6/2011
5/7/2011
5/8/2011
5/9/2011
5/10/2011
5/11/2011
5/12/2011
5/13/2011
5/14/2011
5/15/2011
5/16/2011
5/17/2011
5/18/2011
5/19/2011
5/20/2011
5/21/2011
5/22/2011
5/23/2011
5/24/2011
5/25/2011
5/26/2011
5/27/2011
5/28/2011
5/29/2011
5/30/2011
5/31/2011
6/1/2011
6/2/2011
6/3/2011
6/4/2011
6/5/2011
6/6/2011
6/7/2011
6/8/2011
6/9/2011
6/10/2011
6/11/2011
6/12/2011
6/13/2011
6/14/2011
6/15/2011
6/16/2011
6/17/2011
6/18/2011
6/19/2011
6/20/2011
6/21/2011
6/22/2011
6/23/2011
6/24/2011
6/25/2011
6/26/2011
6/27/2011
6/28/2011
6/29/2011
6/30/2011
Day of YearDaily PrcpMultiday Prcp
7/1/2011
7/2/2011
7/3/2011
7/4/2011
7/5/2011
7/6/2011
7/7/2011
7/8/2011
7/9/2011
7/10/2011
7/11/2011
7/12/2011
7/13/2011
7/14/2011
7/15/2011
7/16/2011
7/17/2011
7/18/2011
7/19/2011
7/20/2011
7/21/2011
7/22/2011
7/23/2011
7/24/2011
7/25/2011
7/26/2011
7/27/2011
7/28/2011
7/29/2011
7/30/2011
7/31/2011
8/1/2011
8/2/2011
8/3/2011
8/4/2011
8/5/2011
8/6/2011
8/7/2011
8/8/2011
8/9/2011
8/10/2011
8/11/2011
8/12/2011
8/13/2011
8/14/2011
8/15/2011
8/16/2011
8/17/2011
8/18/2011
8/19/2011
8/20/2011
8/21/2011
8/22/2011
8/23/2011
8/24/2011
8/25/2011
8/26/2011
8/27/2011
8/28/2011
8/29/2011
8/30/2011
8/31/2011
9/1/2011
9/2/2011
9/3/2011
9/4/2011
9/5/2011
9/6/2011
9/7/2011
9/8/2011
9/9/2011
9/10/2011
9/11/2011
9/12/2011
9/13/2011
9/14/2011
9/15/2011
9/16/2011
9/17/2011
9/18/2011
9/19/2011
9/20/2011
9/21/2011
9/22/2011
9/23/2011
9/24/2011
9/25/2011
9/26/2011
9/27/2011
9/28/2011
9/29/2011
9/30/2011



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2010 7:00 AM 0.00 0.0 M M M
10/2/2010 7:00 AM 0.00 0.0 M M M
10/8/2010 7:00 AM 0.05 0.0 0.00 0.0 0.00
10/11/2010 7:00 AM 0.21 0.0 0.00 0.0 0.00
10/12/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/13/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/14/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/15/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/16/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/17/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Coldest night of fall so far with a low of 24F
10/18/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Another cold morning, with a low of 24F
10/19/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/20/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/21/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/22/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/23/2010 7:00 AM 0.07 0.0 0.00 0.0 0.00
10/24/2010 9:00 AM 0.46 0.0 0.00 0.0 0.00
10/27/2010 7:00 AM 0.15 0.0 0.00 0.0 0.00
10/28/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/29/2010 7:00 AM 0.05 0.0 0.00 0.0 0.00
11/1/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/2/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/3/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/4/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/5/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/6/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/7/2010 7:30 AM 0.08 0.0 0.00 0.0 0.00
11/8/2010 7:00 AM 0.51 0.0 0.00 0.0 0.00
11/9/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/10/2010 7:00 AM 0.02 T 0.02 T M First snowfall!
11/11/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/12/2010 7:00 AM 0.06 0.0 0.00 0.0 0.00
11/13/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/14/2010 8:00 AM 0.09 T M 0.0 0.00 Light snow for most of the morning. Most of this snow did not stick to the ground. Dense fog this morning.
11/17/2010 7:00 AM 0.01 0.0 0.00 0.0 0.00
11/18/2010 7:00 AM 0.47 3.3 M 3.5 M Rain overnight, then snow sometime in the early morning. Snow was still falling when precipitation was measured.
11/19/2010 7:00 AM 0.02 0.2 M 2.0 M Light snow this morning.
11/20/2010 7:00 AM T T M 1.0 M Light snowfall last morning.
11/21/2010 7:00 AM 0.00 0.0 0.00 1.0 M
11/22/2010 7:00 AM 0.16 3.2 0.16 4.0 M Light snow overnight.
11/23/2010 7:00 AM 0.32 6.5 0.32 10.0 M Heavy snowfall overnight. Blizzard conditions in early morning hours, resulting in quite a bit of drifting snow.
11/24/2010 7:00 AM 0.06 1.0 0.06 10.5 M Light snow all day and for most of the night. Very cold temperatures, with a low of -6.5F.
11/25/2010 7:00 AM T 0.1 T 10.0 M Very light snow this morning. Becoming heavier. The snow on the ground seems to be compacting itself (possibly due to sublimation?)
11/26/2010 7:00 AM 0.08 2.0 0.08 8.5 M Winds picked up over night and this morning, leading to some drifting snow. It was not horrible, just enough to shift the new snow from yesterday around.
11/27/2010 7:00 AM 0.12 2.5 0.12 10.5 M Light snow overnight. Snow continuing, increasing in intensity.
11/28/2010 7:00 AM 0.15 2.5 0.15 10.0 M Warmer temperatures, with light snowfall most of the day. The snow seems to be compacting itself as more falls, leading to a fairly constant depth. Currently, there is dense ice fog dominating the weather.
11/29/2010 7:00 AM 0.00 0.0 0.00 10.0 M
11/30/2010 7:00 AM 0.01 0.2 M 9.5 M Light snowfall this morning, becoming heavier.
12/1/2010 7:00 AM 0.20 3.5 0.20 8.5 M Much warmer temperatures overnight, leading to quite a bit of snow compaction.
12/2/2010 7:00 AM 0.17 0.2 M 8.5 M
12/3/2010 7:00 AM 0.16 1.1 M 9.5 M Light snow overnight
12/4/2010 7:00 AM T T M 9.0 M Light snow in the morning.
12/5/2010 7:00 AM 0.00 0.0 0.00 9.0 M
12/6/2010 7:00 AM 0.00 0.0 0.00 9.0 M
12/12/2010 8:00 AM 0.19 0.0 0.00 2.0 M Snow in the afternoon and early evening hours, turned to rain overnight, melting all new snow accumulation.
12/13/2010 7:00 AM 0.29 0.0 0.00 T M
12/14/2010 7:00 AM 0.58 0.0 0.00 0.0 0.00
12/15/2010 7:00 AM 0.04 T T 0.0 0.00
12/16/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/17/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/18/2010 7:00 AM T T T 0.0 M Light snow this morning, becoming heavier.
12/19/2010 7:00 AM 0.07 1.3 0.07 1.5 M
12/20/2010 7:00 AM 0.21 3.5 0.21 4.0 M
12/21/2010 7:00 AM 0.00 0.0 0.00 2.5 M
12/22/2010 7:00 AM 0.00 0.0 0.00 2.0 M
12/23/2010 7:00 AM 0.08 T M 1.5 M Snow and rain mix, then snow with only trace accumulations.
12/24/2010 7:00 AM 0.00 0.0 0.00 1.5 M
12/25/2010 7:00 AM 0.00 0.0 0.00 1.5 M
12/26/2010 7:00 AM 0.15 1.6 0.15 3.0 M
12/27/2010 8:00 AM 0.14 1.3 M 3.2 M Light snow/rain mix, then heavy snowfall in the afternoon. Heavy snowfall lasted about 20 minutes with 1.3 inches of new accumulation.
12/28/2010 8:30 AM 0.35 2.0 M 3.9 M Snow started in the late afternoon and continued overnight. The snow was steady and light, with a temperature of 32F. At about 4:00 am, precipitation turned into rain, which is still continuing.
12/29/2010 7:00 AM 0.79 4.0 M 6.2 M Light snow overnight, starting at about 5:30 pm. Most of the snow accumulation was very dense. It is continuing to snow heavily, with a temperature of 28 F and gusty winds (20-30 mph gusts).
12/30/2010 8:00 AM 0.19 6.0 M 8.0 M Heavy snow for most of the day yesterday, along with strong winds. Blowing and drifting snow made new and total snow depth difficult to measure. Storm total: 10 inches.
12/31/2010 7:00 AM 0.05 1.0 M 8.0 M Light snow for most of the day, along with much colder temperatures.
1/1/2011 7:00 AM 0.00 0.0 0.00 7.5 M Very cold temperatures (low around -3F).
1/2/2011 7:00 AM 0.00 0.0 0.00 7.0 M
1/3/2011 7:00 AM 0.00 0.0 0.00 6.5 M
1/4/2011 7:00 AM 0.00 0.0 0.00 6.5 M
1/5/2011 7:00 AM 0.10 0.6 0.10 6.5 M
1/9/2011 7:00 AM 0.07 1.5 0.07 6.5 M Light snow overnight, along with colder temperatures (low around 24 F)
1/10/2011 7:00 AM 0.02 0.2 0.02 6.5 M
2/22/2011 8:00 AM 0.31 5.5 M M M Heavy snow overnight, continuing this morning. Some blowing and drifting snow as well.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
9/24/2010 10/07/2010 11:50 AM 14 0.83 0.0 0.00
10/9/2010 10/10/2010 9:00 AM 2 0.09 0.0 0.00
10/25/2010 10/26/2010 7:00 AM 2 0.55 0.0 0.00
10/30/2010 10/31/2010 8:30 AM 2 0.63 0.0 0.00
11/15/2010 11/16/2010 7:00 AM 2 0.27 0.0 0.00 Very high winds last night, along with thunderstorms. Estimated wind gusts of 55 mph.
12/7/2010 12/11/2010 9:00 AM 5 0.76 2.5 M Much of the snow that was on the ground has melted.
1/6/2011 1/08/2011 3:10 PM 3 0.21 5.2 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