Station Overview Station Location
Station Number CO-DG-152 Latitude 39.525577
Station Name Highlands Ranch 2.8 SW Longitude -105.006016
County Douglas Elevation (ft) 5724



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 1.37 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 09 1.02 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 09 0.76 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 10 0.57 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 10 0.53 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 10 1.87 0.00 2 0.00 2 0.00 0 0 0 0 0.0 0 0
April 10 2.27 3.70 30 3.70 30 0.00 0 0 10 0 0.5 1 1
May 10 2.50 1.03 14 1.03 14 0.00 0 0 6 0 1.5 1 1
June 10 1.99 2.55 30 2.55 30 0.00 0 0 9 1 0.0 0 0
July 10 2.07 1.02 14 1.02 14 0.00 0 0 7 0 0.0 0 0
Aug 10 2.26 1.63 31 1.63 31 0.00 0 0 11 0 0.0 0 0
Sept 10 1.24 0.12 24 0.12 24 0.00 0 0 3 0 0.0 0 0
Water Year Totals: 18.45" 10.05" 145 days 10.05" 145 0.00" 0 days 0 46 days 1 days 2.0" 2 days 2 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
11/22/2009
11/23/2009
11/24/2009
11/25/2009
11/26/2009
11/27/2009
11/28/2009
11/29/2009
11/30/2009
12/1/2009
12/2/2009
12/3/2009
12/4/2009
12/5/2009
12/6/2009
12/7/2009
12/8/2009
12/9/2009
12/10/2009
12/11/2009
12/12/2009
12/13/2009
12/14/2009
12/15/2009
12/16/2009
12/17/2009
12/18/2009
12/19/2009
12/20/2009
12/21/2009
12/22/2009
12/23/2009
12/24/2009
12/25/2009
12/26/2009
12/27/2009
12/28/2009
12/29/2009
12/30/2009
12/31/2009
Day of YearDaily PrcpMultiday Prcp
1/1/2010
1/2/2010
1/3/2010
1/4/2010
1/5/2010
1/6/2010
1/7/2010
1/8/2010
1/9/2010
1/10/2010
1/11/2010
1/12/2010
1/13/2010
1/14/2010
1/15/2010
1/16/2010
1/17/2010
1/18/2010
1/19/2010
1/20/2010
1/21/2010
1/22/2010
1/23/2010
1/24/2010
1/25/2010
1/26/2010
1/27/2010
1/28/2010
1/29/2010
1/30/2010
1/31/2010
2/1/2010
2/2/2010
2/3/2010
2/4/2010
2/5/2010
2/6/2010
2/7/2010
2/8/2010
2/9/2010
2/10/2010
2/11/2010
2/12/2010
2/13/2010
2/14/2010
2/15/2010
2/16/2010
2/17/2010
2/18/2010
2/19/2010
2/20/2010
2/21/2010
2/22/2010
2/23/2010
2/24/2010
2/25/2010
2/26/2010
2/27/2010
2/28/2010
3/1/2010
3/2/2010
3/3/2010
3/4/2010
3/5/2010
3/6/2010
3/7/2010
3/8/2010
3/9/2010
3/10/2010
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
3/24/2010
3/25/2010
3/26/2010
3/27/2010
3/28/2010
3/29/2010
3/30/2010 0.00
3/31/2010 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2010 0.00
4/2/2010 0.00
4/3/2010 0.00
4/4/2010 0.00
4/5/2010 0.00
4/6/2010 0.02
4/7/2010 0.12
4/8/2010 0.00
4/9/2010 0.00
4/10/2010 0.00
4/11/2010 0.00
4/12/2010 0.00
4/13/2010 0.02
4/14/2010 0.00
4/15/2010 0.00
4/16/2010 0.00
4/17/2010 0.03
4/18/2010 0.00
4/19/2010 0.00
4/20/2010 0.00
4/21/2010 0.00
4/22/2010 0.17
4/23/2010 0.89
4/24/2010 1.81
4/25/2010 0.32
4/26/2010 0.29
4/27/2010 0.00
4/28/2010 0.00
4/29/2010 0.00
4/30/2010 0.03
5/1/2010 0.02
5/2/2010 0.01
5/3/2010 0.04
5/4/2010 0.00
5/5/2010 0.00
5/6/2010 0.00
5/7/2010 0.00
5/8/2010 0.00
5/9/2010 0.00
5/10/2010 0.00
5/11/2010 0.00
5/12/2010 0.29
5/13/2010 0.46
5/14/2010 0.21
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 0.00
6/2/2010 0.00
6/3/2010 0.00
6/4/2010 0.00
6/5/2010 0.00
6/6/2010 0.00
6/7/2010 0.00
6/8/2010 0.00
6/9/2010 0.29
6/10/2010 T
6/11/2010 0.02
6/12/2010 1.16
6/13/2010 0.47
6/14/2010 0.37
6/15/2010 0.00
6/16/2010 0.00
6/17/2010 0.00
6/18/2010 0.00
6/19/2010 0.00
6/20/2010 0.00
6/21/2010 0.00
6/22/2010 0.00
6/23/2010 0.00
6/24/2010 0.00
6/25/2010 0.01
6/26/2010 0.01
6/27/2010 0.16
6/28/2010 0.06
6/29/2010 0.00
6/30/2010 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2010 0.00
7/2/2010 0.00
7/3/2010 0.14
7/4/2010
7/5/2010
7/6/2010
7/7/2010
7/8/2010
7/9/2010
7/10/2010
7/11/2010
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 0.44
7/22/2010 0.00
7/23/2010 0.00
7/24/2010 0.00
7/25/2010 0.04
7/26/2010 0.00
7/27/2010 0.00
7/28/2010 0.26
7/29/2010 0.07
7/30/2010 0.06
7/31/2010 0.01
8/1/2010 0.01
8/2/2010 0.07
8/3/2010 0.13
8/4/2010 0.00
8/5/2010 0.00
8/6/2010 0.01
8/7/2010 0.02
8/8/2010 0.11
8/9/2010 0.79
8/10/2010 0.08
8/11/2010 0.00
8/12/2010 0.00
8/13/2010 0.00
8/14/2010 0.00
8/15/2010 0.00
8/16/2010 0.00
8/17/2010 0.04
8/18/2010 0.00
8/19/2010 0.21
8/20/2010 0.00
8/21/2010 0.00
8/22/2010 0.00
8/23/2010 0.00
8/24/2010 0.16
8/25/2010 0.00
8/26/2010 0.00
8/27/2010 0.00
8/28/2010 0.00
8/29/2010 0.00
8/30/2010 0.00
8/31/2010 0.00
9/1/2010 0.00
9/2/2010 0.00
9/3/2010 0.00
9/4/2010 0.00
9/5/2010 0.00
9/6/2010 0.00
9/7/2010 0.00
9/8/2010 0.00
9/9/2010 0.00
9/10/2010 0.00
9/11/2010 0.00
9/12/2010 0.00
9/13/2010 0.00
9/14/2010 0.00
9/15/2010 0.00
9/16/2010 0.01
9/17/2010 0.00
9/18/2010 0.00
9/19/2010 0.00
9/20/2010 0.00
9/21/2010 0.02
9/22/2010 0.00
9/23/2010 0.09
9/24/2010 0.00
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
3/30/2010 7:00 AM 0.00 0.0 M M M Operational for the first time since move from CO-DG-69. Glad to be back on line.
3/31/2010 7:00 AM 0.00 0.0 M M M Very warm day. About 80 deg F.
4/1/2010 7:00 AM 0.00 0.0 M M M
4/2/2010 7:00 AM 0.00 0.0 M M M
4/3/2010 7:00 AM 0.00 0.0 M M M
4/4/2010 7:00 AM 0.00 0.0 M M M
4/5/2010 7:00 AM 0.00 0.0 M M M
4/6/2010 7:00 AM 0.02 M M M M Very light rain early morning. Temps cooler than previous days. Very cloudy skies.
4/7/2010 7:00 AM 0.12 0.5 0.09 0.5 0.09 Mostly from late spring snow accumulation.
4/8/2010 7:00 AM 0.00 0.0 M M M
4/9/2010 7:00 AM 0.00 0.0 M M M
4/10/2010 7:00 AM 0.00 0.0 M M M
4/11/2010 7:00 AM 0.00 0.0 M M M
4/12/2010 7:00 AM 0.00 0.0 M M M
4/13/2010 7:00 AM 0.02 M M M M Very light rain in early morning. This is the first time since November that all piles of snow (from shoveling) have melted.
4/14/2010 7:00 AM 0.00 0.0 M M M
4/15/2010 7:00 AM 0.00 0.0 M M M
4/16/2010 7:00 AM 0.00 0.0 M M M
4/17/2010 7:00 AM 0.03 M M M M
4/18/2010 7:00 AM 0.00 0.0 M M M
4/19/2010 7:00 AM 0.00 0.0 M M M
4/20/2010 7:00 AM 0.00 0.0 M M M
4/21/2010 7:00 AM 0.00 0.0 M M M
4/22/2010 7:00 AM 0.17 M M M M Rain came in three periods. Heaviest was early morning. One light short drizzle of 0.02 inches in late afternoon and one short heavier cloud burst just before reading was taken. Some hail nearby in afternoon but not at time of reading. Still cloudy with low clouds and potential for rain. Late evening also brought sporadic, distant thunder with some lightning. Welcome storm for plants and grass emerging from winter.
4/23/2010 7:00 AM 0.89 M M M M Rain throughout most of the day with very heavy rains in early morning around 4 am. At time of reading, temp 36 deg F and precipitation is rain/snow mix (but to warm for snow to accumulate). Rain continuing after time of reading. During the afternoon area experienced a tornado warning which later became a tornado watch until about 8 pm.
4/24/2010 7:00 AM 1.81 M M M M Heavy rain and snow mix throughout the night. High winds late evening into early morning. Some snow on the ground. Light precipitation falling at time of reading. Difficult to tell what contribution of precipitation from snow. Ground very wet with some low areas having standing water.
4/25/2010 7:00 AM 0.32 M M M M Rain total from throughout the reporting period; mostly morning and afternoon. Cool but clearing.
4/26/2010 7:00 AM 0.29 M M M M Snow and rain fell throughout the night. Precipitation stopped just before reading taken. Difficult to seperate rain and snow contributions. Light snow on the ground but roadways and sidewalks are clear. Temperature is 33 deg F. Sky clearing.
4/27/2010 7:00 AM 0.00 0.0 M M M Ground still wet but rapidly drying.
4/28/2010 7:00 AM 0.00 0.0 M M M Ground is drying out rapidly. Very warm morning at 64 deg F under almost 100% clear skies.
4/29/2010 7:00 AM 0.00 0.0 M M M
4/30/2010 7:00 AM 0.03 M M M M
5/1/2010 7:00 AM 0.02 M M M M
5/2/2010 7:00 AM 0.01 M M M M
5/3/2010 7:00 AM 0.04 M M M M Precipitation fell mid-afternoon in the form of rain, snow, sleet and very small hail stones, mostly between 2 pm and 4 pm. Temperature swung throughout the day. Light morning frost at time of reading with temperature at 34 deg F under bright, blue skies.
5/4/2010 7:00 AM 0.00 0.0 M M M
5/5/2010 7:00 AM 0.00 0.0 M M M
5/6/2010 7:00 AM 0.00 0.0 M M M
5/7/2010 7:00 AM 0.00 0.0 M M M
5/8/2010 7:00 AM 0.00 0.0 M M M
5/9/2010 7:00 AM 0.00 0.0 M M M
5/10/2010 7:00 AM 0.00 0.0 M M M
5/11/2010 7:00 AM 0.00 0.0 M M M
5/12/2010 7:00 AM 0.29 1.5 0.14 1.5 0.14 Snow, rain, sleet, hail, lightning - all starting about 6 pm and carrying on through the night with the heaviest coming down from 8 pm to 9 pm but a slight drizzle at time of reading. Snow a bit hard to measure since hard surfaces (sidewalks, streets) and covered surfaces(under trees) were snowless but wet yet open areas like fields and lawns had wet snow.
5/13/2010 7:00 AM 0.46 M M M M Extensive rain with some snow/sleet/very tiny hail mix seemingly at random intervals. Some snow on the ground and play equipment in shaded, cooler spots but overall the majority of yard/road/open space surface areas are just very wet. Temperature is 36 deg F.
5/14/2010 7:00 AM 0.21 M M M M Rain throughout the evening. This morning is the first time in 3 days a partly clear sky is visible. Fog against the mountains. A very beautiful, post card morning. Temperature is 41 deg F.
6/1/2010 7:00 AM 0.00 0.0 M M M
6/2/2010 7:00 AM 0.00 0.0 M M M
6/3/2010 7:00 AM 0.00 0.0 M M M
6/4/2010 7:00 AM 0.00 0.0 M M M
6/5/2010 7:00 AM 0.00 0.0 M M M
6/6/2010 7:00 AM 0.00 0.0 M M M
6/7/2010 7:00 AM 0.00 0.0 M M M
6/8/2010 7:00 AM 0.00 0.0 M M M
6/9/2010 7:00 AM 0.29 M M M M Heavy, quick storm with extensive lightning and loud thunder. Storm seemed to pass directly over recording station. Temperature dropped about 10 deg F. Heavy winds for a short time. Some very tiny hail.
6/10/2010 7:00 AM T M M M M Very quick cloudburst. Almost over as soon as it started in early evening.
6/11/2010 7:00 AM 0.02 M M M M Several quick rains in early evening. Some distance lightning and thunder. Typical Colorado summer storm with blue sky visible nearby and more intense storms in the distance.
6/12/2010 7:00 AM 1.16 M M M M Very stormy night. The storm came in 2 waves - one that started around 6:30 pm and went to 7:30 pm and dumped 0.38 inches; the second storm started around 9:45 pm and ran almost continuously to 2 am. The second storm included bouts of pea size hail that accumulated on decks and driveways. Creek behind reporting station did swell. At time of reading, ground is saturated, slight drizzle underway, and temp is a very unseasonable 51 deg F. Storm over midnight included winds from the north (heavy at times) with lightning and thunder nearby and distant. Overall - a wild weather night. Storm was so loud it was hard for anybody to sleep.
6/13/2010 7:00 AM 0.47 M M M M Continuous rain. Mixed with thunder and lightning. Less severe than the previous night. Rain continues at time of reading.
6/14/2010 7:00 AM 0.37 M M M M Rain throughout the day; never as heavy as previous 2 days. A few intermixed cloud bursts with the sun peaking out a few times in the afternoon. Ground is very wet and temperatures are below normal.
6/15/2010 7:00 AM 0.00 0.0 M M M
6/16/2010 7:00 AM 0.00 0.0 M M M
6/17/2010 7:00 AM 0.00 0.0 M M M
6/18/2010 7:00 AM 0.00 0.0 M M M
6/19/2010 7:00 AM 0.00 0.0 M M M
6/20/2010 7:00 AM 0.00 0.0 M M M
6/21/2010 7:00 AM 0.00 0.0 M M M
6/22/2010 7:00 AM 0.00 0.0 M M M
6/23/2010 7:00 AM 0.00 0.0 M M M
6/24/2010 7:00 AM 0.00 0.0 M M M
6/25/2010 7:00 AM 0.01 M M M M
6/26/2010 7:00 AM 0.01 M M M M
6/27/2010 7:00 AM 0.16 M M M M Late afternoon into early storm.
6/28/2010 7:00 AM 0.06 M M M M
6/29/2010 7:00 AM 0.00 0.0 M M M
6/30/2010 7:00 AM 0.00 0.0 M M M
7/1/2010 7:00 AM 0.00 0.0 M M M
7/2/2010 7:00 AM 0.00 0.0 M M M
7/3/2010 7:00 AM 0.14 M M M M Heavy, quick rain around 11:15 pm. Some thunder and lightning but nothing close by.
7/21/2010 7:00 AM 0.44 M M M M Several heavy rains starting at 5 pm and running in 4 or 5 cycles well past midnight.
7/22/2010 7:00 AM 0.00 0.0 M M M Quiet day with above normal humidity. Lots of moving clouds but no precipitation.
7/23/2010 7:00 AM 0.00 0.0 M M M
7/24/2010 7:00 AM 0.00 0.0 M M M
7/25/2010 7:00 AM 0.04 M M M M Very late night quick rain fall.
7/26/2010 7:00 AM 0.00 0.0 M M M
7/27/2010 7:00 AM 0.00 0.0 M M M Very hot day. Temperature hit 99 deg F under very clear, very blue skies.
7/28/2010 7:00 AM 0.26 M M M M Heavy downpour started at 7 pm. A few drops falling at time of reading this morning. By Colorado standards, very humid morning under mostly cloudy skies; feels like more moisture is coming. Storm was quiet with no lightning or thunder; very little wind. Temperature dropped about 20 deg F during heavy part of the storm. No hail or sleet. The new wireless rain sensor worked and shut down the sprinkler system!
7/29/2010 7:00 AM 0.07 M M M M Short, quick mid-afternoon rain. Temperatures cooling off and humidity has really dropped. Seems like a more normal Colorado summer day.
7/30/2010 7:00 AM 0.06 M M M M
7/31/2010 7:00 AM 0.01 M M M M
8/1/2010 7:00 AM 0.01 M M M M
8/2/2010 7:00 AM 0.07 M M M M
8/3/2010 7:00 AM 0.13 M M M M Rain on and off throughout the evening, starting about 7 pm. Some thunder and lightning but nothing severe.
8/4/2010 7:00 AM 0.00 0.0 M M M
8/5/2010 7:00 AM 0.00 0.0 M M M
8/6/2010 7:00 AM 0.01 M M M M
8/7/2010 7:00 AM 0.02 M M M M
8/8/2010 7:00 AM 0.11 M M M M Surprise late night/very early morning rain. Just slightly below 0.125 mark for triggering the rain sensor to shut off automatic sprinklers.
8/9/2010 7:00 AM 0.79 M M M M Very intensive storm. Came in two night time waves with rain at times horizontal; nothing stayed dry including areas under decks and porches. First storm dumped 0.41 inches. Lightning was severe and seemed to hit the house several times. No hail. Temperature dropped 24 degrees with first wave. Waves about one hour appart. A few drops falling at time of reading. Winds were heavy at times. Thunder/lightning combination/intensity loudest/brightest in maybe ten years. Was a bit scary, even being indoors.
8/10/2010 7:00 AM 0.08 M M M M Light early evening rain. Clouds broke aorund 9 pm and sky was well over 50 percent clear. With all of the recent rain star gazing was incredible.
8/11/2010 7:00 AM 0.00 0.0 M M M Warm summer day. Mostly clear with no wind. Temperatures moderating below 90 deg F.
8/12/2010 7:00 AM 0.00 0.0 M M M
8/13/2010 7:00 AM 0.00 0.0 M M M
8/14/2010 7:00 AM 0.00 0.0 M M M
8/15/2010 7:00 AM 0.00 0.0 M M M
8/16/2010 7:00 AM 0.00 0.0 M M M
8/17/2010 7:00 AM 0.04 M M M M Mid-afternoon, quick rain. Generally very cool - cooler than normal for this time of year. Rain came with heavy sound (loud thunder) and intense lightning.
8/18/2010 7:00 AM 0.00 0.0 M M M
8/19/2010 7:00 AM 0.21 M M M M
8/20/2010 7:00 AM 0.00 0.0 M M M
8/21/2010 7:00 AM 0.00 0.0 M M M
8/22/2010 7:00 AM 0.00 0.0 M M M Hot.
8/23/2010 7:00 AM 0.00 0.0 M M M
8/24/2010 7:00 AM 0.16 M M M M Rain in early morning. Quiet, steady rain with no thunder or lightning. Very cool morning. At time of reading a few drops falling under a low cloud deck.
8/25/2010 7:00 AM 0.00 0.0 M M M
8/26/2010 7:00 AM 0.00 0.0 M M M
8/27/2010 7:00 AM 0.00 0.0 M M M
8/28/2010 7:00 AM 0.00 0.0 M M M
8/29/2010 7:00 AM 0.00 0.0 M M M
8/30/2010 7:00 AM 0.00 0.0 M M M
8/31/2010 7:00 AM 0.00 0.0 M M M
9/1/2010 7:00 AM 0.00 0.0 M M M
9/2/2010 7:00 AM 0.00 0.0 M M M
9/3/2010 7:00 AM 0.00 0.0 M M M
9/4/2010 7:00 AM 0.00 0.0 M M M
9/5/2010 7:00 AM 0.00 0.0 M M M
9/6/2010 7:00 AM 0.00 0.0 M M M
9/7/2010 7:00 AM 0.00 0.0 M M M
9/8/2010 7:00 AM 0.00 0.0 M M M
9/9/2010 7:00 AM 0.00 0.0 M M M
9/10/2010 7:00 AM 0.00 0.0 M M M
9/11/2010 7:00 AM 0.00 0.0 M M M
9/12/2010 7:00 AM 0.00 0.0 M M M
9/13/2010 7:00 AM 0.00 0.0 M M M
9/14/2010 7:00 AM 0.00 0.0 M M M
9/15/2010 7:00 AM 0.00 0.0 M M M
9/16/2010 7:00 AM 0.01 M M M M Surprise, quick small rain event. First rain in many weeks.
9/17/2010 7:00 AM 0.00 0.0 M M M
9/18/2010 7:00 AM 0.00 0.0 M M M
9/19/2010 7:00 AM 0.00 0.0 M M M
9/20/2010 7:00 AM 0.00 0.0 M M M
9/21/2010 7:00 AM 0.02 M M M M Evening rain. Short.
9/22/2010 7:00 AM 0.00 0.0 M M M
9/23/2010 7:00 AM 0.09 M M M M Mid afternoon rain. Temperatures starting to cool.
9/24/2010 7:00 AM 0.00 0.0 M M M



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