Station Overview Station Location
Station Number CO-CR-11 Latitude 38.1901609897614
Station Name Olney Springs 4.6 WNW Longitude -104.022983014584
County Crowley Elevation (ft) 4639



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 18 0.85 1.08 31 1.08 31 0.00 0 0 4 0 0.0 0 0
Nov 18 0.37 0.34 30 0.34 30 0.00 0 0 2 0 0.0 0 0
Dec 18 0.28 0.02 31 0.02 31 0.00 0 0 1 1 0.0 0 0
Jan 19 0.24 0.74 31 0.74 31 0.00 0 0 4 0 0.0 0 0
Feb 19 0.24 0.23 28 0.23 28 0.00 0 0 3 0 0.0 0 0
March 19 0.71 1.35 31 1.27 28 0.08 3 1 3 0 0.0 0 0
April 19 1.21 0.00 30 0.00 30 0.00 0 0 0 1 0.0 0 0
May 19 1.65 1.25 1 1.25 1 0.00 0 0 1 0 0.0 0 0
June 19 1.51 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
July 19 1.86 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 19 2.24 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 19 0.79 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 11.95" 5.01" 213 days 4.93" 210 0.08" 3 days 1 18 days 2 days 0.0" 0 days 0 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
10/1/2018 0.00
10/2/2018 0.00
10/3/2018 0.00
10/4/2018 0.00
10/5/2018 0.00
10/6/2018 0.00
10/7/2018 0.00
10/8/2018 0.17
10/9/2018 0.05
10/10/2018 0.13
10/11/2018 0.00
10/12/2018 0.00
10/13/2018 0.00
10/14/2018 0.00
10/15/2018 0.00
10/16/2018 0.00
10/17/2018 0.00
10/18/2018 0.00
10/19/2018 0.00
10/20/2018 0.00
10/21/2018 0.00
10/22/2018 0.00
10/23/2018 0.00
10/24/2018 0.00
10/25/2018 0.73
10/26/2018 0.00
10/27/2018 0.00
10/28/2018 0.00
10/29/2018 0.00
10/30/2018 0.00
10/31/2018 0.00
11/1/2018 0.30
11/2/2018 0.00
11/3/2018 0.00
11/4/2018 0.00
11/5/2018 0.00
11/6/2018 0.00
11/7/2018 0.00
11/8/2018 0.00
11/9/2018 0.00
11/10/2018 0.00
11/11/2018 0.00
11/12/2018 0.04
11/13/2018 0.00
11/14/2018 0.00
11/15/2018 0.00
11/16/2018 0.00
11/17/2018 0.00
11/18/2018 0.00
11/19/2018 0.00
11/20/2018 0.00
11/21/2018 0.00
11/22/2018 0.00
11/23/2018 0.00
11/24/2018 0.00
11/25/2018 0.00
11/26/2018 0.00
11/27/2018 0.00
11/28/2018 0.00
11/29/2018 0.00
11/30/2018 0.00
12/1/2018 0.02
12/2/2018 0.00
12/3/2018 0.00
12/4/2018 0.00
12/5/2018 0.00
12/6/2018 0.00
12/7/2018 0.00
12/8/2018 0.00
12/9/2018 0.00
12/10/2018 0.00
12/11/2018 0.00
12/12/2018 0.00
12/13/2018 0.00
12/14/2018 0.00
12/15/2018 0.00
12/16/2018 0.00
12/17/2018 0.00
12/18/2018 0.00
12/19/2018 0.00
12/20/2018 0.00
12/21/2018 0.00
12/22/2018 T
12/23/2018 0.00
12/24/2018 0.00
12/25/2018 0.00
12/26/2018 0.00
12/27/2018 0.00
12/28/2018 0.00
12/29/2018 0.00
12/30/2018 0.00
12/31/2018 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2019 0.05
1/2/2019 0.00
1/3/2019 0.00
1/4/2019 0.00
1/5/2019 0.00
1/6/2019 0.00
1/7/2019 0.00
1/8/2019 0.00
1/9/2019 0.00
1/10/2019 0.00
1/11/2019 0.00
1/12/2019 0.37
1/13/2019 0.00
1/14/2019 0.00
1/15/2019 0.00
1/16/2019 0.00
1/17/2019 0.00
1/18/2019 0.00
1/19/2019 0.30
1/20/2019 0.00
1/21/2019 0.00
1/22/2019 0.00
1/23/2019 0.00
1/24/2019 0.00
1/25/2019 0.02
1/26/2019 0.00
1/27/2019 0.00
1/28/2019 0.00
1/29/2019 0.00
1/30/2019 0.00
1/31/2019 0.00
2/1/2019 0.00
2/2/2019 0.00
2/3/2019 0.00
2/4/2019 0.00
2/5/2019 0.00
2/6/2019 0.00
2/7/2019 0.00
2/8/2019 0.00
2/9/2019 0.00
2/10/2019 0.00
2/11/2019 0.00
2/12/2019 0.00
2/13/2019 0.00
2/14/2019 0.00
2/15/2019 0.00
2/16/2019 0.00
2/17/2019 0.00
2/18/2019 0.05
2/19/2019 0.00
2/20/2019 0.02
2/21/2019 0.00
2/22/2019 0.00
2/23/2019 0.16
2/24/2019 0.00
2/25/2019 0.00
2/26/2019 0.00
2/27/2019 0.00
2/28/2019 0.00
3/1/2019 0.00
3/2/2019 **
3/3/2019 **
3/4/2019 0.08
3/5/2019 0.00
3/6/2019 0.00
3/7/2019 0.00
3/8/2019 0.00
3/9/2019 0.00
3/10/2019 0.00
3/11/2019 0.00
3/12/2019 0.00
3/13/2019 0.00
3/14/2019 0.30
3/15/2019 0.00
3/16/2019 0.00
3/17/2019 0.00
3/18/2019 0.00
3/19/2019 0.00
3/20/2019 0.00
3/21/2019 0.00
3/22/2019 0.00
3/23/2019 0.76
3/24/2019 0.00
3/25/2019 0.00
3/26/2019 0.00
3/27/2019 0.00
3/28/2019 0.00
3/29/2019 0.00
3/30/2019 0.21
3/31/2019 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2019 T
4/2/2019 0.00
4/3/2019 0.00
4/4/2019 0.00
4/5/2019 0.00
4/6/2019 0.00
4/7/2019 0.00
4/8/2019 0.00
4/9/2019 0.00
4/10/2019 0.00
4/11/2019 0.00
4/12/2019 0.00
4/13/2019 0.00
4/14/2019 0.00
4/15/2019 0.00
4/16/2019 0.00
4/17/2019 0.00
4/18/2019 0.00
4/19/2019 0.00
4/20/2019 0.00
4/21/2019 0.00
4/22/2019 0.00
4/23/2019 0.00
4/24/2019 0.00
4/25/2019 0.00
4/26/2019 0.00
4/27/2019 0.00
4/28/2019 0.00
4/29/2019 0.00
4/30/2019 0.00
5/1/2019
5/2/2019
5/3/2019
5/4/2019
5/5/2019
5/6/2019
5/7/2019
5/8/2019
5/9/2019
5/10/2019
5/11/2019
5/12/2019
5/13/2019
5/14/2019
5/15/2019
5/16/2019
5/17/2019
5/18/2019
5/19/2019
5/20/2019
5/21/2019 1.25
5/22/2019
5/23/2019
5/24/2019
5/25/2019
5/26/2019
5/27/2019
5/28/2019
5/29/2019
5/30/2019
5/31/2019
6/1/2019
6/2/2019
6/3/2019
6/4/2019
6/5/2019
6/6/2019
6/7/2019
6/8/2019
6/9/2019
6/10/2019
6/11/2019
6/12/2019
6/13/2019
6/14/2019
6/15/2019
6/16/2019
6/17/2019
6/18/2019
6/19/2019
6/20/2019
6/21/2019
6/22/2019
6/23/2019
6/24/2019
6/25/2019
6/26/2019
6/27/2019
6/28/2019
6/29/2019
6/30/2019
Day of YearDaily PrcpMultiday Prcp
7/1/2019
7/2/2019
7/3/2019
7/4/2019
7/5/2019
7/6/2019
7/7/2019
7/8/2019
7/9/2019
7/10/2019
7/11/2019
7/12/2019
7/13/2019
7/14/2019
7/15/2019
7/16/2019
7/17/2019
7/18/2019
7/19/2019
7/20/2019
7/21/2019
7/22/2019
7/23/2019
7/24/2019
7/25/2019
7/26/2019
7/27/2019
7/28/2019
7/29/2019
7/30/2019
7/31/2019
8/1/2019
8/2/2019
8/3/2019
8/4/2019
8/5/2019
8/6/2019
8/7/2019
8/8/2019
8/9/2019
8/10/2019
8/11/2019
8/12/2019
8/13/2019
8/14/2019
8/15/2019
8/16/2019
8/17/2019
8/18/2019
8/19/2019
8/20/2019
8/21/2019
8/22/2019
8/23/2019
8/24/2019
8/25/2019
8/26/2019
8/27/2019
8/28/2019
8/29/2019
8/30/2019
8/31/2019
9/1/2019
9/2/2019
9/3/2019
9/4/2019
9/5/2019
9/6/2019
9/7/2019
9/8/2019
9/9/2019
9/10/2019
9/11/2019
9/12/2019
9/13/2019
9/14/2019
9/15/2019
9/16/2019
9/17/2019
9/18/2019
9/19/2019
9/20/2019
9/21/2019
9/22/2019
9/23/2019
9/24/2019
9/25/2019
9/26/2019
9/27/2019
9/28/2019
9/29/2019
9/30/2019



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2018 7:00 AM 0.00 0.0 M M M
10/2/2018 7:00 AM 0.00 0.0 M M M
10/3/2018 7:00 AM 0.00 0.0 M M M
10/4/2018 7:00 AM 0.00 0.0 M M M
10/5/2018 7:00 AM 0.00 0.0 M M M
10/6/2018 7:00 AM 0.00 0.0 M M M
10/7/2018 7:00 AM 0.00 0.0 M M M
10/8/2018 7:00 AM 0.17 M M M M Rain last night into today.
10/9/2018 8:15 AM 0.05 M M M M Rain is a little heavier today than yesterday.
10/10/2018 7:00 AM 0.13 M M M M Yesterday's rain/snow mix.
10/11/2018 7:00 AM 0.00 0.0 M M M
10/12/2018 7:00 AM 0.00 0.0 M M M
10/13/2018 7:00 AM 0.00 0.0 M M M
10/14/2018 7:00 AM 0.00 0.0 M M M
10/15/2018 7:00 AM 0.00 0.0 M M M
10/16/2018 7:00 AM 0.00 0.0 M M M
10/17/2018 7:00 AM 0.00 0.0 M M M
10/18/2018 7:00 AM 0.00 0.0 M M M
10/19/2018 7:00 AM 0.00 0.0 M M M
10/20/2018 7:00 AM 0.00 0.0 M M M
10/21/2018 7:00 AM 0.00 0.0 M M M
10/22/2018 7:00 AM 0.00 0.0 M M M
10/23/2018 7:00 AM 0.00 0.0 M M M
10/24/2018 7:00 AM 0.00 0.0 M M M
10/25/2018 8:30 AM 0.73 M M M M Rain all day yesterday. Nice and slow. Good soaker!
10/26/2018 7:00 AM 0.00 0.0 M M M
10/27/2018 7:00 AM 0.00 0.0 M M M
10/28/2018 7:00 AM 0.00 0.0 M M M
10/29/2018 7:00 AM 0.00 0.0 M M M
10/30/2018 7:00 AM 0.00 0.0 M M M
10/31/2018 7:00 AM 0.00 0.0 M M M
11/1/2018 7:00 AM 0.30 M M M M Total accumulation from last two days. Other gauge on north end of ranch shows .50
11/2/2018 7:00 AM 0.00 0.0 M M M
11/3/2018 7:00 AM 0.00 0.0 M M M
11/4/2018 7:00 AM 0.00 0.0 M M M
11/5/2018 7:00 AM 0.00 0.0 M M M
11/6/2018 7:00 AM 0.00 0.0 M M M
11/7/2018 7:00 AM 0.00 0.0 M M M
11/8/2018 7:00 AM 0.00 0.0 M M M
11/9/2018 7:00 AM 0.00 0.0 M M M
11/10/2018 7:00 AM 0.00 0.0 M M M
11/11/2018 7:00 AM 0.00 0.0 M M M
11/12/2018 7:00 AM 0.04 M M M M Approx. 1/2" accumulated snow. Hard to tell with melting.
11/13/2018 7:00 AM 0.00 0.0 M M M
11/14/2018 7:00 AM 0.00 0.0 M M M
11/15/2018 7:00 AM 0.00 0.0 M M M
11/16/2018 7:00 AM 0.00 0.0 M M M
11/17/2018 7:00 AM 0.00 0.0 M M M
11/18/2018 7:00 AM 0.00 0.0 M M M
11/19/2018 7:00 AM 0.00 0.0 M M M
11/20/2018 7:00 AM 0.00 0.0 M M M
11/21/2018 7:00 AM 0.00 0.0 M M M
11/22/2018 7:00 AM 0.00 0.0 M M M
11/23/2018 7:00 AM 0.00 0.0 M M M
11/24/2018 7:00 AM 0.00 0.0 M M M
11/25/2018 7:00 AM 0.00 0.0 M M M
11/26/2018 7:00 AM 0.00 0.0 M M M
11/27/2018 7:00 AM 0.00 0.0 M M M
11/28/2018 7:00 AM 0.00 0.0 M M M
11/29/2018 7:00 AM 0.00 0.0 M M M
11/30/2018 7:00 AM 0.00 0.0 M M M
12/1/2018 5:45 PM 0.02 M M M M Late evening shower
12/2/2018 7:00 AM 0.00 0.0 M M M
12/3/2018 7:00 AM 0.00 0.0 M M M
12/4/2018 7:00 AM 0.00 0.0 M M M
12/5/2018 7:00 AM 0.00 0.0 M M M
12/6/2018 7:00 AM 0.00 0.0 M M M
12/7/2018 7:00 AM 0.00 0.0 M M M
12/8/2018 7:00 AM 0.00 0.0 M M M
12/9/2018 7:00 AM 0.00 0.0 M M M
12/10/2018 7:00 AM 0.00 0.0 M M M
12/11/2018 7:00 AM 0.00 0.0 M M M
12/12/2018 7:00 AM 0.00 0.0 M M M
12/13/2018 7:00 AM 0.00 0.0 M M M
12/14/2018 7:00 AM 0.00 0.0 M M M
12/15/2018 7:00 AM 0.00 0.0 M M M
12/16/2018 7:00 AM 0.00 0.0 M M M
12/17/2018 7:00 AM 0.00 0.0 M M M
12/18/2018 7:00 AM 0.00 0.0 M M M
12/19/2018 7:00 AM 0.00 0.0 M M M
12/20/2018 7:00 AM 0.00 0.0 M M M
12/21/2018 7:00 AM 0.00 0.0 M M M
12/22/2018 7:00 AM T M M M M skiff with just a drop in the gauge
12/23/2018 7:00 AM 0.00 0.0 M M M
12/24/2018 7:00 AM 0.00 0.0 M M M
12/25/2018 7:00 AM 0.00 0.0 M M M
12/26/2018 7:00 AM 0.00 0.0 M M M
12/27/2018 7:00 AM 0.00 0.0 M M M
12/28/2018 7:00 AM 0.00 0.0 M M M
12/29/2018 7:00 AM 0.00 0.0 M M M
12/30/2018 7:00 AM 0.00 0.0 M M M
12/31/2018 7:00 AM 0.00 0.0 M M M
1/1/2019 7:30 AM 0.05 M M M M Approx. 2" snow. Very dry and powdery.
1/2/2019 7:00 AM 0.00 0.0 M M M
1/3/2019 7:00 AM 0.00 0.0 M M M
1/4/2019 7:00 AM 0.00 0.0 M M M
1/5/2019 7:00 AM 0.00 0.0 M M M
1/6/2019 7:00 AM 0.00 0.0 M M M
1/7/2019 7:00 AM 0.00 0.0 M M M
1/8/2019 7:00 AM 0.00 0.0 M M M
1/9/2019 7:00 AM 0.00 0.0 M M M
1/10/2019 7:00 AM 0.00 0.0 M M M
1/11/2019 7:00 AM 0.00 0.0 M M M
1/12/2019 7:00 AM 0.37 M M M M Yesterday's total rain fall.
1/13/2019 7:00 AM 0.00 0.0 M M M
1/14/2019 7:00 AM 0.00 0.0 M M M
1/15/2019 7:00 AM 0.00 0.0 M M M
1/16/2019 7:00 AM 0.00 0.0 M M M
1/17/2019 7:00 AM 0.00 0.0 M M M
1/18/2019 7:00 AM 0.00 0.0 M M M
1/19/2019 7:00 AM 0.30 M M M M Rain yesterday.
1/20/2019 7:00 AM 0.00 0.0 M M M
1/21/2019 7:00 AM 0.00 0.0 M M M
1/22/2019 7:00 AM 0.00 0.0 M M M
1/23/2019 7:00 AM 0.00 0.0 M M M
1/24/2019 7:00 AM 0.00 0.0 M M M
1/25/2019 9:00 AM 0.02 M M M M Yesterday's snow melt total.
1/26/2019 7:00 AM 0.00 0.0 M M M
1/27/2019 7:00 AM 0.00 0.0 M M M
1/28/2019 7:00 AM 0.00 0.0 M M M
1/29/2019 7:00 AM 0.00 0.0 M M M
1/30/2019 7:00 AM 0.00 0.0 M M M
1/31/2019 7:00 AM 0.00 0.0 M M M
2/1/2019 7:00 AM 0.00 0.0 M M M
2/2/2019 7:00 AM 0.00 0.0 M M M
2/3/2019 7:00 AM 0.00 0.0 M M M
2/4/2019 7:00 AM 0.00 0.0 M M M
2/5/2019 7:00 AM 0.00 0.0 M M M
2/6/2019 7:00 AM 0.00 0.0 M M M
2/7/2019 7:00 AM 0.00 0.0 M M M
2/8/2019 7:00 AM 0.00 0.0 M M M
2/9/2019 7:00 AM 0.00 0.0 M M M
2/10/2019 7:00 AM 0.00 0.0 M M M
2/11/2019 7:00 AM 0.00 0.0 M M M
2/12/2019 7:00 AM 0.00 0.0 M M M
2/13/2019 7:00 AM 0.00 0.0 M M M
2/14/2019 7:00 AM 0.00 0.0 M M M
2/15/2019 7:00 AM 0.00 0.0 M M M
2/16/2019 7:00 AM 0.00 0.0 M M M
2/17/2019 7:00 AM 0.00 0.0 M M M
2/18/2019 1:00 PM 0.05 M M M M Around 2" snow melted to .05"
2/19/2019 7:00 AM 0.00 0.0 M M M
2/20/2019 10:00 AM 0.02 M M M M Yesterday's snow melt total.
2/21/2019 7:00 AM 0.00 0.0 M M M
2/22/2019 7:00 AM 0.00 0.0 M M M
2/23/2019 11:30 AM 0.16 M M M M A couple of inches of snow, best I can tell.
2/24/2019 7:00 AM 0.00 0.0 M M M
2/25/2019 7:00 AM 0.00 0.0 M M M
2/26/2019 7:00 AM 0.00 0.0 M M M
2/27/2019 7:00 AM 0.00 0.0 M M M
2/28/2019 7:00 AM 0.00 0.0 M M M
3/1/2019 7:00 AM 0.00 0.0 M M M
3/5/2019 7:00 AM 0.00 0.0 M M M
3/6/2019 7:00 AM 0.00 0.0 M M M
3/7/2019 7:00 AM 0.00 0.0 M M M
3/8/2019 7:00 AM 0.00 0.0 M M M
3/9/2019 7:00 AM 0.00 0.0 M M M
3/10/2019 7:00 AM 0.00 0.0 M M M
3/11/2019 7:00 AM 0.00 0.0 M M M
3/12/2019 7:00 AM 0.00 0.0 M M M
3/13/2019 7:00 AM 0.00 0.0 M M M
3/14/2019 2:00 PM 0.30 M M M M Rain turned to snow yesterday. 60 degrees in the morning. Melted in gauge while outside.
3/15/2019 7:00 AM 0.00 0.0 M M M
3/16/2019 7:00 AM 0.00 0.0 M M M
3/17/2019 7:00 AM 0.00 0.0 M M M
3/18/2019 7:00 AM 0.00 0.0 M M M
3/19/2019 7:00 AM 0.00 0.0 M M M
3/20/2019 7:00 AM 0.00 0.0 M M M
3/21/2019 7:00 AM 0.00 0.0 M M M
3/22/2019 7:00 AM 0.00 0.0 M M M
3/23/2019 7:00 AM 0.76 M M M M Rain started during the night yesterday and intermittent in the morning.
3/24/2019 7:00 AM 0.00 0.0 M M M
3/25/2019 7:00 AM 0.00 0.0 M M M
3/26/2019 7:00 AM 0.00 0.0 M M M
3/27/2019 7:00 AM 0.00 0.0 M M M
3/28/2019 7:00 AM 0.00 0.0 M M M
3/29/2019 7:00 AM 0.00 0.0 M M M
3/30/2019 7:00 AM 0.21 0.0 M M M Rain last night
3/31/2019 7:00 AM 0.00 0.0 M M M
4/1/2019 7:00 AM T M M M M Rain during the night but not enough to measure
4/2/2019 7:00 AM 0.00 0.0 M M M
4/3/2019 7:00 AM 0.00 0.0 M M M
4/4/2019 7:00 AM 0.00 0.0 M M M
4/5/2019 7:00 AM 0.00 0.0 M M M
4/6/2019 7:00 AM 0.00 0.0 M M M
4/7/2019 7:00 AM 0.00 0.0 M M M
4/8/2019 7:00 AM 0.00 0.0 M M M
4/9/2019 7:00 AM 0.00 0.0 M M M
4/10/2019 7:00 AM 0.00 0.0 M M M
4/11/2019 7:00 AM 0.00 0.0 M M M
4/12/2019 7:00 AM 0.00 0.0 M M M
4/13/2019 7:00 AM 0.00 0.0 M M M
4/14/2019 7:00 AM 0.00 0.0 M M M
4/15/2019 7:00 AM 0.00 0.0 M M M
4/16/2019 7:00 AM 0.00 0.0 M M M
4/17/2019 7:00 AM 0.00 0.0 M M M
4/18/2019 7:00 AM 0.00 0.0 M M M
4/19/2019 7:00 AM 0.00 0.0 M M M
4/20/2019 7:00 AM 0.00 0.0 M M M
4/21/2019 7:00 AM 0.00 0.0 M M M
4/22/2019 7:00 AM 0.00 0.0 M M M
4/23/2019 7:00 AM 0.00 0.0 M M M
4/24/2019 7:00 AM 0.00 0.0 M M M
4/25/2019 7:00 AM 0.00 0.0 M M M
4/26/2019 7:00 AM 0.00 0.0 M M M
4/27/2019 7:00 AM 0.00 0.0 M M M
4/28/2019 7:00 AM 0.00 0.0 M M M
4/29/2019 7:00 AM 0.00 0.0 M M M
4/30/2019 7:00 AM 0.00 0.0 M M M
5/21/2019 9:30 AM 1.25 M M M M Rain yesterday through this morning.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
3/2/2019 3/04/2019 2:00 PM 3 0.08 M 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