Station Overview Station Location
Station Number ME-KB-8 Latitude 44.370803
Station Name Vassalboro 8.6 SSE Longitude -69.630754
County Kennebec Elevation (ft) 100



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 12 4.52 5.52 31 5.52 31 0.00 0 0 19 0 0.0 0 0
Nov 12 4.59 1.64 30 1.64 30 0.00 0 0 5 5 3.3 1 1
Dec 12 3.87 5.86 30 5.86 30 0.00 0 0 18 0 23.4 10 15
Jan 13 3.06 1.00 31 1.00 31 0.00 0 0 8 5 4.6 4 30
Feb 13 2.82 2.62 28 2.62 28 0.00 0 0 9 5 45.7 9 20
March 13 3.70 0.00 7 0.00 0 0.00 7 1 0 0 0.0 0 0
April 13 3.99 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 13 3.79 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 13 3.91 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
July 13 3.33 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 13 3.38 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 13 3.82 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 44.78" 16.64" 157 days 16.64" 150 0.00" 7 days 1 59 days 15 days 77.0" 24 days 66 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
10/1/2012 1.01
10/2/2012 0.02
10/3/2012 0.00
10/4/2012 0.14
10/5/2012 0.38
10/6/2012 0.01
10/7/2012 0.13
10/8/2012 0.33
10/9/2012 0.00
10/10/2012 0.00
10/11/2012 0.42
10/12/2012 0.04
10/13/2012 0.01
10/14/2012 0.07
10/15/2012 0.11
10/16/2012 0.42
10/17/2012 0.09
10/18/2012 0.00
10/19/2012 0.00
10/20/2012 0.32
10/21/2012 0.04
10/22/2012 0.00
10/23/2012 0.00
10/24/2012 0.00
10/25/2012 0.00
10/26/2012 0.00
10/27/2012 0.00
10/28/2012 0.00
10/29/2012 0.05
10/30/2012 0.93
10/31/2012 1.00
11/1/2012 0.01
11/2/2012 0.01
11/3/2012 0.00
11/4/2012 0.00
11/5/2012 0.00
11/6/2012 0.00
11/7/2012 0.00
11/8/2012 0.38
11/9/2012 1.09
11/10/2012 0.00
11/11/2012 0.00
11/12/2012 0.00
11/13/2012 T
11/14/2012 0.15
11/15/2012 0.00
11/16/2012 0.00
11/17/2012 0.00
11/18/2012 0.00
11/19/2012 0.00
11/20/2012 0.00
11/21/2012 0.00
11/22/2012 0.00
11/23/2012 0.00
11/24/2012 T
11/25/2012 0.00
11/26/2012 0.00
11/27/2012 0.00
11/28/2012 T
11/29/2012 T
11/30/2012 T
12/1/2012 0.00
12/2/2012 0.10
12/3/2012 0.35
12/4/2012 0.00
12/5/2012 0.32
12/6/2012 0.00
12/7/2012
12/8/2012 0.07
12/9/2012 0.26
12/10/2012 0.19
12/11/2012 0.21
12/12/2012 0.00
12/13/2012 0.00
12/14/2012 0.00
12/15/2012 0.00
12/16/2012 0.00
12/17/2012 0.41
12/18/2012 0.32
12/19/2012 0.41
12/20/2012 0.22
12/21/2012 0.05
12/22/2012 1.14
12/23/2012 0.04
12/24/2012 0.00
12/25/2012 0.00
12/26/2012 0.00
12/27/2012 0.18
12/28/2012 0.80
12/29/2012 0.00
12/30/2012 0.76
12/31/2012 0.03
Day of YearDaily PrcpMultiday Prcp
1/1/2013 T
1/2/2013 0.00
1/3/2013 0.00
1/4/2013 0.00
1/5/2013 0.00
1/6/2013 T
1/7/2013 0.04
1/8/2013 0.00
1/9/2013 0.00
1/10/2013 0.00
1/11/2013 0.00
1/12/2013 0.00
1/13/2013 0.04
1/14/2013 0.03
1/15/2013 0.00
1/16/2013 T
1/17/2013 0.42
1/18/2013 0.00
1/19/2013 T
1/20/2013 0.03
1/21/2013 0.00
1/22/2013 0.00
1/23/2013 T
1/24/2013 0.00
1/25/2013 0.00
1/26/2013 0.00
1/27/2013 0.00
1/28/2013 0.00
1/29/2013 0.03
1/30/2013 0.15
1/31/2013 0.26
2/1/2013 0.06
2/2/2013 0.00
2/3/2013 0.00
2/4/2013 0.00
2/5/2013 0.00
2/6/2013 0.00
2/7/2013 T
2/8/2013 T
2/9/2013 T
2/10/2013 T
2/11/2013 0.00
2/12/2013 0.30
2/13/2013 0.00
2/14/2013 0.00
2/15/2013 0.00
2/16/2013 0.01
2/17/2013 T
2/18/2013 0.28
2/19/2013 0.00
2/20/2013 0.65
2/21/2013 0.00
2/22/2013 0.01
2/23/2013 0.00
2/24/2013 0.16
2/25/2013 0.73
2/26/2013 0.00
2/27/2013 0.00
2/28/2013 0.42
3/1/2013 **
3/2/2013 **
3/3/2013 **
3/4/2013 **
3/5/2013 **
3/6/2013 **
3/7/2013 0.00
3/8/2013
3/9/2013
3/10/2013
3/11/2013
3/12/2013
3/13/2013
3/14/2013
3/15/2013
3/16/2013
3/17/2013
3/18/2013
3/19/2013
3/20/2013
3/21/2013
3/22/2013
3/23/2013
3/24/2013
3/25/2013
3/26/2013
3/27/2013
3/28/2013
3/29/2013
3/30/2013
3/31/2013
Day of YearDaily PrcpMultiday Prcp
4/1/2013
4/2/2013
4/3/2013
4/4/2013
4/5/2013
4/6/2013
4/7/2013
4/8/2013
4/9/2013
4/10/2013
4/11/2013
4/12/2013
4/13/2013
4/14/2013
4/15/2013
4/16/2013
4/17/2013
4/18/2013
4/19/2013
4/20/2013
4/21/2013
4/22/2013
4/23/2013
4/24/2013
4/25/2013
4/26/2013
4/27/2013
4/28/2013
4/29/2013
4/30/2013
5/1/2013
5/2/2013
5/3/2013
5/4/2013
5/5/2013
5/6/2013
5/7/2013
5/8/2013
5/9/2013
5/10/2013
5/11/2013
5/12/2013
5/13/2013
5/14/2013
5/15/2013
5/16/2013
5/17/2013
5/18/2013
5/19/2013
5/20/2013
5/21/2013
5/22/2013
5/23/2013
5/24/2013
5/25/2013
5/26/2013
5/27/2013
5/28/2013
5/29/2013
5/30/2013
5/31/2013
6/1/2013
6/2/2013
6/3/2013
6/4/2013
6/5/2013
6/6/2013
6/7/2013
6/8/2013
6/9/2013
6/10/2013
6/11/2013
6/12/2013
6/13/2013
6/14/2013
6/15/2013
6/16/2013
6/17/2013
6/18/2013
6/19/2013
6/20/2013
6/21/2013
6/22/2013
6/23/2013
6/24/2013
6/25/2013
6/26/2013
6/27/2013
6/28/2013
6/29/2013
6/30/2013
Day of YearDaily PrcpMultiday Prcp
7/1/2013
7/2/2013
7/3/2013
7/4/2013
7/5/2013
7/6/2013
7/7/2013
7/8/2013
7/9/2013
7/10/2013
7/11/2013
7/12/2013
7/13/2013
7/14/2013
7/15/2013
7/16/2013
7/17/2013
7/18/2013
7/19/2013
7/20/2013
7/21/2013
7/22/2013
7/23/2013
7/24/2013
7/25/2013
7/26/2013
7/27/2013
7/28/2013
7/29/2013
7/30/2013
7/31/2013
8/1/2013
8/2/2013
8/3/2013
8/4/2013
8/5/2013
8/6/2013
8/7/2013
8/8/2013
8/9/2013
8/10/2013
8/11/2013
8/12/2013
8/13/2013
8/14/2013
8/15/2013
8/16/2013
8/17/2013
8/18/2013
8/19/2013
8/20/2013
8/21/2013
8/22/2013
8/23/2013
8/24/2013
8/25/2013
8/26/2013
8/27/2013
8/28/2013
8/29/2013
8/30/2013
8/31/2013
9/1/2013
9/2/2013
9/3/2013
9/4/2013
9/5/2013
9/6/2013
9/7/2013
9/8/2013
9/9/2013
9/10/2013
9/11/2013
9/12/2013
9/13/2013
9/14/2013
9/15/2013
9/16/2013
9/17/2013
9/18/2013
9/19/2013
9/20/2013
9/21/2013
9/22/2013
9/23/2013
9/24/2013
9/25/2013
9/26/2013
9/27/2013
9/28/2013
9/29/2013
9/30/2013



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2012 7:15 AM 1.01 M M M M Temp 50 Cloudy
10/2/2012 7:15 AM 0.02 M M M M
10/3/2012 7:15 AM 0.00 0.0 M M M
10/4/2012 7:15 AM 0.14 M M M M Temp 59 Cloudy
10/5/2012 7:15 AM 0.38 M M M M
10/6/2012 7:15 AM 0.01 M M M M Temp 57 Cloudy
10/7/2012 7:15 AM 0.13 M M M M Temp 41 Sunny
10/8/2012 7:15 AM 0.33 M M M M
10/9/2012 7:15 AM 0.00 0.0 M M M
10/10/2012 7:15 AM 0.00 0.0 M M M Temp 37 Cloudy
10/11/2012 7:15 AM 0.42 M M M M Temp 43 Sunny
10/12/2012 7:15 AM 0.04 M M M M
10/13/2012 8:15 AM 0.01 M M M M Temp 33 Sunny. It's our first frost and burrrr!!!
10/14/2012 7:15 AM 0.07 M M M M Temp 38 Rain
10/15/2012 8:15 AM 0.11 M M M M
10/16/2012 8:45 AM 0.42 M M M M Temp 52 Rain
10/17/2012 8:45 AM 0.09 M M M M Temp 40 Sunny
10/18/2012 8:00 AM 0.00 0.0 M M M
10/19/2012 7:15 AM 0.00 0.0 M M M
10/20/2012 7:15 AM 0.32 M M M M Temp 63 light rain
10/21/2012 8:15 AM 0.04 M M M M Temp 45 Sunny
10/22/2012 7:15 AM 0.00 0.0 M M M
10/23/2012 7:15 AM 0.00 0.0 M M M
10/24/2012 8:00 AM 0.00 0.0 M M M
10/25/2012 12:00 PM 0.00 0.0 M M M
10/26/2012 8:00 AM 0.00 0.0 M M M Temp 41 Cloudy
10/27/2012 8:00 AM 0.00 0.0 M M M Temp 47 Foggy
10/28/2012 8:45 AM 0.00 0.0 M M M
10/29/2012 8:30 AM 0.05 M M M M Temp 52 Light rain
10/30/2012 7:15 AM 0.93 M M M M Temp 61 Rain. Bands of rain/wind from Sandy came in last night. Wind gust strong at times but we managed to keep our electric. No damage.
10/31/2012 8:15 AM 1.00 M M M M Temp 59 Cloudy
11/1/2012 7:45 AM 0.01 M M M M Temp 44 Cloudy
11/2/2012 7:15 AM 0.01 M M M M Temp 43 Cloudy
11/3/2012 8:15 AM 0.00 0.0 M M M Temp 36 CLoudy
11/4/2012 7:15 AM 0.00 0.0 M M M Temp 41 Sunny
11/5/2012 6:30 AM 0.00 0.0 M M M Temp 34 Cloudy
11/6/2012 7:15 AM 0.00 0.0 M M M Temp 27 Sunny. Frost this morning. Snow "spits" yesterday morning for the first time this season. Thicker at times but no accumulation.
11/7/2012 6:45 AM 0.00 0.0 M M M Temp 21 Cloudy
11/8/2012 7:15 AM 0.38 3.3 M 3.3 M Temp 34 Light rain
11/9/2012 7:15 AM 1.09 M M M M Temp 36 Partly cloudy
11/10/2012 7:15 AM 0.00 0.0 M M M Temp 39 Sunny
11/11/2012 7:15 AM 0.00 0.0 M M M
11/12/2012 7:15 AM 0.00 0.0 M M M
11/13/2012 8:00 AM T M M M M Temp 61 Cloudy
11/14/2012 7:15 AM 0.15 M M M M Temp 30 Sunny
11/15/2012 8:15 AM 0.00 0.0 M M M Temp 30 Sunny
11/16/2012 8:15 AM 0.00 0.0 M M M Temp 29 Cloudy
11/17/2012 7:15 AM 0.00 0.0 M M M Temp 27 Sunny
11/18/2012 7:30 AM 0.00 0.0 M M M Temp 21 Sunny
11/19/2012 7:15 AM 0.00 0.0 M M M
11/20/2012 9:00 AM 0.00 0.0 M M M
11/21/2012 9:15 AM 0.00 0.0 M M M Temp 34 Partly cloudy
11/22/2012 7:15 AM 0.00 0.0 M M M
11/23/2012 7:15 AM 0.00 0.0 M M M
11/24/2012 7:15 AM T M M M M Temp 43 Cloudy
11/25/2012 7:15 AM 0.00 0.0 M M M
11/26/2012 7:15 AM 0.00 0.0 M M M Temp 21 Sunny
11/27/2012 7:15 AM 0.00 0.0 M M M
11/28/2012 7:30 AM T T M T M Temp 23 Cloudy. Snow pellets on the ground - no accumulation.
11/29/2012 7:45 AM T T M T M Temp 27 Sunny. Occasional snow flurries yesterday with no accumulation.
11/30/2012 8:00 AM T T M T M Temp 12 Sunny. Snow flurries and windy conditions overnight - no accumulation.
12/1/2012 7:15 AM 0.00 0.0 M M M
12/2/2012 7:45 AM 0.10 0.5 M 0.5 M Temp 25 Cloudy. Snow flurries yesterday. Layer of crust on snow this morning.
12/3/2012 7:45 AM 0.35 M M M M Temp 43 Sunny
12/4/2012 9:00 AM 0.00 0.0 M M M
12/5/2012 7:15 AM 0.32 M M M M
12/6/2012 8:00 AM 0.00 0.0 M M M Temp 25 Sunny
12/8/2012 7:45 AM 0.07 M M M M Temp 30 Light rain
12/9/2012 7:45 AM 0.26 M M M M Temp 38 Partly cloudy
12/10/2012 8:00 AM 0.19 0.5 M 0.5 M Temp 29 Rain. We had snow overnight which has melted some by the rain.
12/11/2012 7:45 AM 0.21 0.0 M 0.3 M Temp 34 Cloudy. There is glazing on the trees this morning - ice accretion 0.1. Freezing rain at times yesterday. No new snow.
12/12/2012 7:15 AM 0.00 0.0 M 0.1 M Temp 14 Partly cloudy. Some melting occured yesterday but there is still snow coverage on our yard.
12/13/2012 9:15 AM 0.00 0.0 M 0.1 M Some snow still remains in half the yard.
12/14/2012 9:00 AM 0.00 0.0 M T M Temp 25 Sunny
12/15/2012 8:15 AM 0.00 0.0 M T M Temp 21 Sunny
12/16/2012 8:15 AM 0.00 0.0 M T M Temp 11 Partly cloudy
12/17/2012 7:30 AM 0.41 4.8 M 4.8 M Temp 18 Snow
12/18/2012 7:30 AM 0.32 2.0 M 5.0 M Temp 36 Rain.Snow yesterday with rain overnight. Measured new snowfall total of 2 inches at 3:30pm.
12/19/2012 7:45 AM 0.41 T M 2.0 M Temp 34 Rain/snow mix
12/20/2012 7:45 AM 0.22 0.8 M 1.5 M Temp 30 Mostly cloudy. Snow/rain mix precip yesterday. We had 1/4 inch of wet snow fall during the day and then melt (included in total below). New snow fell overnight - 1/2 inch.
12/21/2012 8:00 AM 0.05 0.1 M 1.0 M Temp 30 Light snow/rain mix
12/22/2012 7:15 AM 1.14 0.0 M 0.0 M Temp 34 Partly cloudy. Strong winds and rain bands in the late afternoon into evening.
12/23/2012 8:15 AM 0.04 T M T M Temp 21 Partly cloudy. Rain yesterday turning to snow in the late afternoon.
12/24/2012 7:30 AM 0.00 0.0 M T M Temp 19 Sunny
12/25/2012 7:15 AM 0.00 0.0 M M M
12/26/2012 7:15 AM 0.00 0.0 M M M
12/27/2012 7:45 AM 0.18 1.8 M 1.8 M Temp 23 Snow
12/28/2012 8:00 AM 0.80 6.0 M 6.0 M Temp 27 Sunny
12/29/2012 8:30 AM 0.00 0.0 M 5.5 M Temp 11 Mostly cloudy
12/30/2012 8:30 AM 0.76 6.5 M 10.0 M Temp 21 Snow
12/31/2012 10:00 AM 0.03 0.4 M 8.5 M Snow yesterday morning until around 11 am. Blowing snow and wind gust.
1/1/2013 7:45 AM T T M 8.0 M Temp 30 Windy
1/2/2013 7:15 AM 0.00 0.0 M 7.5 M
1/3/2013 8:30 AM 0.00 0.0 M 7.5 M Temp -6 Sunny
1/4/2013 7:30 AM 0.00 0.0 M 7.0 M Temp 7 Cloudy
1/5/2013 7:15 AM 0.00 0.0 M 7.0 M
1/6/2013 7:00 AM T T M 6.5 M
1/7/2013 9:00 AM 0.04 1.0 M 7.0 M
1/8/2013 7:15 AM 0.00 0.0 M 7.0 M
1/9/2013 10:30 AM 0.00 0.0 M 6.5 M
1/10/2013 7:15 AM 0.00 0.0 M 6.5 M Temp 37 Cloudy
1/11/2013 8:45 AM 0.00 0.0 M 6.5 M Temp 23 Sunny. Windy yesterday with strong gust at times.
1/12/2013 7:15 AM 0.00 0.0 M 6.5 M
1/13/2013 7:45 AM 0.04 0.0 M 6.0 M Temp 36 Fog
1/14/2013 7:45 AM 0.03 0.0 M 5.0 M Temp 43 Fog. Due to above normal temps there has been some snow melting.
1/15/2013 7:15 AM 0.00 0.0 M 4.0 M
1/16/2013 7:15 AM T T M 4.0 M Temp 28 Light snow
1/17/2013 2:15 PM 0.42 3.0 M 4.5 M Light snow yesterday
1/18/2013 7:15 AM 0.00 0.0 M 4.0 M
1/19/2013 7:00 AM T T M 4.0 M
1/20/2013 7:15 AM 0.03 0.3 M 3.5 M Forgot to report this morning.
1/21/2013 7:15 AM 0.00 0.0 M 3.5 M
1/22/2013 8:15 AM 0.00 0.0 M 3.5 M Temp 5 Cloudy
1/23/2013 2:30 PM T T M 3.5 M
1/24/2013 10:15 AM 0.00 0.0 M 3.5 M
1/25/2013 7:15 AM 0.00 0.0 M 3.5 M Temp 3 Sunny
1/26/2013 7:15 AM 0.00 0.0 M 3.5 M Temp 3 Sunny
1/27/2013 1:30 PM 0.00 0.0 M 3.0 M
1/28/2013 8:45 AM 0.00 0.0 M 3.0 M Temp 9 Sunny
1/29/2013 10:15 AM 0.03 0.3 M 3.0 M
1/30/2013 7:45 AM 0.15 0.0 M 2.5 M Temp 34 Drizzle
1/31/2013 7:45 AM 0.26 0.0 M T M Temp 55 Rain and heavy winds. Patches of snow left in shade areas.
2/1/2013 7:30 AM 0.06 0.0 M T M Temp 21 Sunny. Patches of snow in shade areas.
2/2/2013 2:30 PM 0.00 0.0 M 0.0 M
2/3/2013 7:15 AM 0.00 0.0 M M M
2/4/2013 7:15 AM 0.00 0.0 M M M
2/5/2013 2:15 PM 0.00 0.0 M M M
2/6/2013 7:15 AM 0.00 0.0 M M M
2/7/2013 7:15 PM T T M 0.0 M Passing snow flurry yesterday in the mid afternoon. No accumulation as it was a quick moving cloud.
2/8/2013 7:15 AM T T M T M Nor'easter storm started this morning.
2/9/2013 7:15 AM T 7.0 M 7.0 M Snow all day yesterday. Measured 7 inches of snow at 4 pm - very fluffy and dry. Strong winds throughout the night. Could not get to rain guage this morning to empty due to snow drifts. Still windy this morning.
2/10/2013 3:30 PM T 22.0 M 22.0 M Blowing wind and snow all day yesterday. Snow ended just around dark. Measured one snow drift in front of garage at 37.5 inches. Could not get to rain gauge again this morning due to drifts. It was full but hasn't been emptied in 2 days. Measured snow at 3:30 pm (finally dug out) - readings from 14 to 27 inches. Most of them on the high side.
2/11/2013 8:15 AM 0.00 0.0 M 18.0 M Temp 9 CLoudy
2/12/2013 8:00 AM 0.30 2.0 M 17.0 M Temp 27 Cloudy. Snow yesterday then followed by freezing rain mix. Measured 2 inches of new snow mid-afternoon before rain. Ice accretion - trace to 0.1 in some areas.
2/13/2013 7:15 AM 0.00 0.0 M 15.0 M
2/14/2013 3:15 PM 0.00 0.0 M 13.0 M
2/15/2013 7:15 AM 0.00 0.0 M 13.0 M Temp 21 Partly cloudy
2/16/2013 7:15 AM 0.01 0.1 M 11.0 M Temp 30 Light snow
2/17/2013 7:15 AM T T M 9.0 M Did not measure this morning. Very strong wind gust and blowing snow - too difficult to measure.
2/18/2013 7:15 AM 0.28 2.0 M 11.0 M Blowing snow and very strong wind gust all day yesterday and into the evening. Rain guage measurement cannot be accurate due to wind and it has not been emptied in 2 days.
2/19/2013 7:15 AM 0.00 0.0 M 10.0 M
2/20/2013 7:45 AM 0.65 T M 8.0 M Temp 34 Flurry. Rain last night. Light snow flurry this morning.
2/21/2013 7:15 AM 0.00 0.0 M 7.0 M
2/22/2013 7:45 AM 0.01 0.3 M 7.0 M Temp 25 Sunny. Snow in the afternoon yesterday with some accumulation.
2/23/2013 7:45 AM 0.00 0.0 M 6.0 M Temp 23 Cloudy. Some melting occured yesterday with higher temps and sun.
2/24/2013 7:30 AM 0.16 2.3 M 8.5 M Temp 29 Snow
2/25/2013 7:45 AM 0.73 7.5 M 17.0 M Temp 27 Sunny
2/26/2013 7:15 AM 0.00 0.0 M 14.0 M
2/27/2013 7:15 AM 0.00 0.0 M 11.0 M Temp 27 Cloudy
2/28/2013 7:15 AM 0.42 2.5 M 12.5 M Temp 36 Cloudy. Snow started late afternoon with some wind gust then turned to rain overnight.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
3/1/2013 3/07/2013 7:00 AM 7 0.00 5.5 M Snow board clear



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