Station Overview Station Location
Station Number IA-PK-8 Latitude 41.61606
Station Name Des Moines 3.9 NW Longitude -93.670783
County Polk Elevation (ft) 846



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 2.55 7.26 31 2.57 18 4.69 13 4 11 0 0.0 0 0
Nov 09 2.20 1.40 30 0.59 8 0.81 22 8 1 0 0.0 0 0
Dec 09 1.33 14.05 12 0.05 4 14.00 8 2 1 0 1.5 1 1
Jan 10 0.91 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 10 1.14 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 10 2.26 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 10 3.59 2.81 17 2.81 17 0.00 0 0 7 0 0.0 0 0
May 10 4.77 4.42 25 4.42 20 0.00 5 2 10 0 0.0 0 0
June 10 4.98 14.36 29 12.50 24 1.86 5 1 17 0 0.0 0 0
July 10 4.66 7.51 31 2.99 24 4.52 7 3 7 2 0.0 0 0
Aug 10 3.97 11.93 31 11.87 28 0.06 3 1 10 0 0.0 0 0
Sept 10 3.15 6.80 30 6.72 26 0.08 4 1 14 0 0.0 0 0
Water Year Totals: 35.51" 70.54" 236 days 44.52" 169 26.02" 67 days 22 78 days 2 days 1.5" 1 days 1 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 0.34
10/2/2009 0.44
10/3/2009 0.31
10/4/2009
10/5/2009 0.00
10/6/2009 0.62
10/7/2009 0.00
10/8/2009 0.11
10/9/2009 0.16
10/10/2009 **
10/11/2009 **
10/12/2009 0.05
10/13/2009
10/14/2009 0.14
10/15/2009 0.31
10/16/2009 0.04
10/17/2009 0.03
10/18/2009 0.00
10/19/2009 0.00 **
10/20/2009 **
10/21/2009 **
10/22/2009 **
10/23/2009 2.97
10/24/2009 0.00
10/25/2009 0.07
10/26/2009 0.00
10/27/2009 0.00
10/28/2009 **
10/29/2009 **
10/30/2009 **
10/31/2009 1.62
11/1/2009 0.00
11/2/2009 0.00
11/3/2009 0.00
11/4/2009
11/5/2009 **
11/6/2009 0.00
11/7/2009 **
11/8/2009 **
11/9/2009 **
11/10/2009 0.00
11/11/2009 0.00 **
11/12/2009 0.00 **
11/13/2009 **
11/14/2009 **
11/15/2009 **
11/16/2009 0.13
11/17/2009 **
11/18/2009 **
11/19/2009 0.09
11/20/2009 **
11/21/2009 0.00
11/22/2009 0.00
11/23/2009 **
11/24/2009 0.40
11/25/2009 0.59
11/26/2009 **
11/27/2009 0.10
11/28/2009
11/29/2009 0.00
11/30/2009
12/1/2009 **
12/2/2009 0.00
12/3/2009 0.00
12/4/2009 0.00
12/5/2009
12/6/2009 0.00
12/7/2009 0.05
12/8/2009 **
12/9/2009 **
12/10/2009 **
12/11/2009 **
12/12/2009 **
12/13/2009 14.00
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
3/31/2010
Day of YearDaily PrcpMultiday Prcp
4/1/2010
4/2/2010
4/3/2010
4/4/2010
4/5/2010
4/6/2010
4/7/2010
4/8/2010
4/9/2010
4/10/2010
4/11/2010
4/12/2010 0.00
4/13/2010 0.00
4/14/2010 0.00
4/15/2010 0.00
4/16/2010 0.07
4/17/2010 0.00
4/18/2010 0.00
4/19/2010 0.00
4/20/2010 0.00
4/21/2010 0.00
4/22/2010
4/23/2010 0.49
4/24/2010 0.46
4/25/2010 0.85
4/26/2010 0.44
4/27/2010 0.21
4/28/2010
4/29/2010 0.00
4/30/2010 0.29
5/1/2010 0.13
5/2/2010 0.00
5/3/2010 0.24
5/4/2010 0.00
5/5/2010 0.10
5/6/2010 0.00
5/7/2010 0.52
5/8/2010 **
5/9/2010 0.00
5/10/2010 0.00
5/11/2010 1.17
5/12/2010
5/13/2010 1.63
5/14/2010 0.00
5/15/2010 0.00
5/16/2010 0.00
5/17/2010 0.24
5/18/2010 **
5/19/2010 **
5/20/2010 0.00
5/21/2010 0.21
5/22/2010 0.00
5/23/2010
5/24/2010 0.00
5/25/2010
5/26/2010 0.10
5/27/2010
5/28/2010
5/29/2010
5/30/2010 0.00
5/31/2010 0.08
6/1/2010 0.00
6/2/2010 1.78 **
6/3/2010 **
6/4/2010 **
6/5/2010 **
6/6/2010 1.86
6/7/2010 0.00
6/8/2010 0.91
6/9/2010 0.05
6/10/2010 0.00
6/11/2010 1.05
6/12/2010 1.86
6/13/2010 0.00
6/14/2010 1.22
6/15/2010
6/16/2010
6/17/2010 0.37
6/18/2010 0.79
6/19/2010 0.08
6/20/2010 0.13
6/21/2010 0.18
6/22/2010 0.45
6/23/2010 0.66
6/24/2010 0.08
6/25/2010 0.00
6/26/2010 1.31
6/27/2010 1.56
6/28/2010 0.02
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 0.00
7/4/2010 T
7/5/2010 0.61
7/6/2010 0.51
7/7/2010 T
7/8/2010 0.07
7/9/2010 0.00
7/10/2010 0.00
7/11/2010 **
7/12/2010 **
7/13/2010 0.51
7/14/2010 0.00
7/15/2010 0.12
7/16/2010 0.00
7/17/2010 0.00
7/18/2010 **
7/19/2010 2.77
7/20/2010 0.37
7/21/2010 0.00
7/22/2010 0.00
7/23/2010 0.19
7/24/2010 **
7/25/2010 1.24
7/26/2010 0.00
7/27/2010 0.00
7/28/2010 0.00
7/29/2010 0.00
7/30/2010 0.00
7/31/2010 1.12
8/1/2010 0.00
8/2/2010 0.00
8/3/2010 0.86
8/4/2010 0.17
8/5/2010 0.65
8/6/2010 0.00
8/7/2010 0.31
8/8/2010 0.00
8/9/2010 4.45
8/10/2010 2.58
8/11/2010 1.45
8/12/2010 0.00
8/13/2010 0.00 **
8/14/2010 **
8/15/2010 0.06
8/16/2010 0.00
8/17/2010 0.06
8/18/2010 0.76
8/19/2010 0.00
8/20/2010 0.00
8/21/2010 0.58
8/22/2010 0.00
8/23/2010 0.00
8/24/2010
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 1.10 **
9/2/2010 **
9/3/2010 **
9/4/2010 0.08
9/5/2010 0.00
9/6/2010 0.12
9/7/2010 0.06
9/8/2010 0.00
9/9/2010 0.00
9/10/2010 0.00
9/11/2010 0.34
9/12/2010 0.00
9/13/2010 0.00
9/14/2010 0.08
9/15/2010 0.00
9/16/2010 0.12
9/17/2010
9/18/2010 0.15
9/19/2010 1.57
9/20/2010 0.11
9/21/2010 0.00
9/22/2010 1.26
9/23/2010 0.01
9/24/2010 1.12
9/25/2010 0.02
9/26/2010 0.66
9/27/2010 0.00
9/28/2010 0.00
9/29/2010 0.00
9/30/2010 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2009 6:00 AM 0.34 M M M M
10/2/2009 7:00 AM 0.44 M M M M
10/3/2009 8:30 AM 0.31 M M M M
10/5/2009 8:00 AM 0.00 0.0 M M M
10/6/2009 6:00 AM 0.62 M M M M
10/7/2009 9:00 AM 0.00 0.0 M M M
10/8/2009 9:00 AM 0.11 M M M M
10/9/2009 8:00 AM 0.16 M M M M
10/14/2009 9:00 AM 0.14 M M M M
10/15/2009 2:00 PM 0.31 M M M M
10/16/2009 7:00 AM 0.04 M M M M
10/17/2009 4:00 PM 0.03 M M M M
10/18/2009 8:00 AM 0.00 0.0 M M M
10/19/2009 4:30 AM 0.00 0.0 M M M
10/24/2009 10:00 AM 0.00 0.0 M M M
10/25/2009 10:40 AM 0.07 M M M M
10/26/2009 6:00 AM 0.00 0.0 M M M
10/27/2009 6:00 AM 0.00 0.0 M M M
11/1/2009 8:00 AM 0.00 0.0 M M M
11/2/2009 7:00 AM 0.00 0.0 M M M
11/3/2009 6:00 AM 0.00 0.0 M M M
11/11/2009 9:00 AM 0.00 0.0 M M M
11/12/2009 6:00 AM 0.00 0.0 M M M
11/22/2009 10:00 AM 0.00 0.0 M M M
11/25/2009 5:30 PM 0.59 M M M M
11/29/2009 11:00 AM 0.00 0.0 M M M
12/3/2009 10:00 AM 0.00 0.0 M M M
12/4/2009 9:00 AM 0.00 0.0 M M M intermittent very light snow flurries yesterday
12/6/2009 10:00 AM 0.00 0.0 M M M forecast predicting 2-3" snow
12/7/2009 9:00 AM 0.05 1.5 M 1.5 M first lasting snow of the season!
4/12/2010 7:00 AM 0.00 0.0 M M M
4/13/2010 6:00 AM 0.00 0.0 M M M
4/14/2010 8:00 AM 0.00 0.0 M M M
4/15/2010 2:00 PM 0.00 0.0 M M M
4/16/2010 6:00 AM 0.07 M M M M light rain 4/15 afternoon
4/17/2010 2:00 PM 0.00 0.0 M M M
4/18/2010 7:00 AM 0.00 0.0 M M M
4/19/2010 6:00 AM 0.00 0.0 M M M
4/20/2010 9:00 AM 0.00 0.0 M M M
4/21/2010 9:30 AM 0.00 0.0 M M M
4/23/2010 11:10 AM 0.49 M M M M
4/24/2010 6:00 AM 0.46 M M M M
4/25/2010 6:00 AM 0.85 M M M M
4/26/2010 6:00 AM 0.44 M M M M
4/27/2010 8:00 AM 0.21 M M M M
4/29/2010 7:00 AM 0.00 0.0 M M M
4/30/2010 6:00 AM 0.29 M M M M
5/1/2010 6:00 AM 0.13 0.0 M M M
5/2/2010 7:00 AM 0.00 0.0 M M M
5/3/2010 6:00 AM 0.24 M M M M hard rain with light hail between 2-3 p.m. Sunday, 5/2
5/4/2010 6:00 AM 0.00 0.0 M M M
5/5/2010 8:00 AM 0.10 M M M M
5/6/2010 8:00 AM 0.00 0.0 M M M
5/7/2010 11:00 AM 0.52 M M M M
5/10/2010 6:00 AM 0.00 0.0 M M M
5/11/2010 9:00 AM 1.17 M M M M
5/13/2010 7:30 AM 1.63 M M M M
5/14/2010 9:00 AM 0.00 0.0 M M M
5/15/2010 7:00 AM 0.00 0.0 M M M
5/16/2010 8:00 AM 0.00 0.0 M M M
5/17/2010 7:30 AM 0.24 M M M M
5/21/2010 8:30 AM 0.21 M M M M
5/22/2010 9:00 AM 0.00 0.0 M M M
5/24/2010 11:00 AM 0.00 0.0 M M M
5/26/2010 11:00 AM 0.10 M M M M
5/30/2010 8:00 AM 0.00 0.0 M M M
5/31/2010 4:00 PM 0.08 M M M M
6/1/2010 5:00 PM 0.00 0.0 M M M
6/2/2010 9:00 AM 1.78 M M M M
6/7/2010 6:00 AM 0.00 0.0 M M M
6/8/2010 9:00 AM 0.91 M M M M
6/9/2010 1:00 PM 0.05 M M M M
6/10/2010 6:00 AM 0.00 0.0 M M M
6/11/2010 6:00 AM 1.05 M M M M
6/12/2010 11:00 AM 1.86 M M M M 0.41" Friday, 6/11 8-10 a.m., then additional 1.45" by late morning. heavy rain, thunder, lightning & street flooding around 8-9 a.m. 6/12.
6/13/2010 7:00 AM 0.00 0.0 M M M
6/14/2010 6:00 AM 1.22 M M M M .91" Sunday 8-10 am, then an additional .31" overnight
6/17/2010 10:00 AM 0.37 M M M M
6/18/2010 11:30 AM 0.79 M M M M
6/19/2010 7:00 AM 0.08 M M M M tornado warnings Friday a.m., but most activity in more southern counties.
6/20/2010 7:00 AM 0.13 M M M M
6/21/2010 6:00 AM 0.18 M M M M
6/22/2010 6:00 AM 0.45 M M M M
6/23/2010 6:00 AM 0.66 M M M M
6/24/2010 6:00 AM 0.08 M M M M
6/25/2010 7:00 AM 0.00 0.0 M M M
6/26/2010 6:10 AM 1.31 M M M M raining right now w/thunder in the distance - don't know when storm started
6/27/2010 6:10 AM 1.56 M M M M 0.5" from 6/26 a.m. & rest from overnight storms, very heavy around 0400, now moved off to east.
6/28/2010 9:00 AM 0.02 M M M M beautiful: 75 degrees w/low humidity (for a change)!
6/29/2010 8:00 AM 0.00 0.0 M M M
6/30/2010 6:00 AM 0.00 0.0 M M M
7/1/2010 6:00 AM 0.00 0.0 M M M
7/2/2010 6:00 AM 0.00 0.0 M M M
7/3/2010 7:30 AM 0.00 0.0 M M M
7/4/2010 6:30 AM T M M M M rain just starting to move in ...
7/5/2010 6:00 AM 0.61 M M M M
7/6/2010 8:00 AM 0.51 M M M M
7/7/2010 6:00 AM T M M M M
7/8/2010 6:10 AM 0.07 M M M M
7/9/2010 6:00 AM 0.00 0.0 M M M
7/10/2010 10:00 AM 0.00 0.0 M M M
7/14/2010 6:00 AM 0.00 0.0 M M M
7/15/2010 6:00 AM 0.12 M M M M
7/16/2010 9:00 AM 0.00 0.0 M M M
7/17/2010 8:00 AM 0.00 0.0 M M M
7/20/2010 8:30 AM 0.37 M M M M
7/21/2010 6:00 AM 0.00 0.0 M M M
7/22/2010 6:15 AM 0.00 0.0 M M M
7/23/2010 6:00 AM 0.19 M M M M
7/26/2010 6:00 AM 0.00 0.0 M M M
7/27/2010 8:00 AM 0.00 0.0 M M M
7/28/2010 6:00 AM 0.00 0.0 M M M
7/29/2010 6:00 AM 0.00 0.0 M M M
7/30/2010 6:00 AM 0.00 0.0 M M M
7/31/2010 7:00 AM 1.12 M M M M 7/30 starting around 9 a.m., 1.08", within 1 1/2 hours, then .04 in the afternoon. this a.m. it is cool (72 degrees) & foggy.
8/1/2010 7:00 AM 0.00 0.0 M M M
8/2/2010 6:00 AM 0.00 0.0 M M M
8/3/2010 6:00 AM 0.86 M M M M 0.27" on 8/2 during the day & 0.59" overnight
8/4/2010 6:00 AM 0.17 M M M M
8/5/2010 8:00 AM 0.65 M M M M rain fell 8/4 a.m. after emptying gauge around 0600
8/6/2010 6:00 AM 0.00 0.0 M M M
8/7/2010 6:00 AM 0.31 M M M M
8/8/2010 6:00 AM 0.00 0.0 M M M
8/9/2010 6:00 AM 4.45 M M M M storm started aruond 1030 8/8 peaked around 2-3 a.m.
8/10/2010 7:14 AM 2.58 M M M M
8/11/2010 6:00 AM 1.45 M M M M water in our basement again this a.m., but less than yesterday!
8/12/2010 6:00 AM 0.00 0.0 M M M 24 hours without rain :) !
8/13/2010 6:00 AM 0.00 0.0 M M M Again another day without rain in Des Moines, but flooding to the east (Colfax off the Skunk River), up north in Ames with parts of the city without water (Skunk River), and in eastern Iowa (Iowa City) on the Iowa River.
8/16/2010 6:00 AM 0.00 0.0 M M M
8/17/2010 6:00 AM 0.06 M M M M
8/18/2010 7:40 AM 0.76 M M M M
8/19/2010 6:00 AM 0.00 0.0 M M M
8/20/2010 6:00 AM 0.00 0.0 M M M
8/21/2010 7:00 AM 0.58 M M M M
8/22/2010 7:00 AM 0.00 0.0 M M M
8/23/2010 6:50 AM 0.00 0.0 M M M
8/25/2010 6:00 AM 0.00 0.0 M M M 58 degrees F.
8/26/2010 6:00 AM 0.00 0.0 M M M
8/27/2010 6:00 AM 0.00 0.0 M M M
8/28/2010 6:00 AM 0.00 0.0 M M M
8/29/2010 7:00 AM 0.00 0.0 M M M
8/30/2010 6:00 AM 0.00 0.0 M M M
8/31/2010 6:00 AM 0.00 0.0 M M M thunder rumbling to the north & west, but no rain yet ...
9/1/2010 6:00 AM 1.10 M M M M 0.4" 8/31 a.m., then another 0.7" after 2100 last evening.
9/5/2010 7:00 AM 0.00 0.0 M M M
9/6/2010 6:00 AM 0.12 M M M M brief showers 9/5 in a.m., afternoon, and early evening
9/7/2010 6:00 AM 0.06 M M M M 57 degrees, clear & windy after front moved thru last evening/night
9/8/2010 6:00 AM 0.00 0.0 M M M
9/9/2010 6:00 AM 0.00 0.0 M M M
9/10/2010 6:00 AM 0.00 0.0 M M M
9/11/2010 6:30 AM 0.34 M M M M rained close to one hour on 9/10 p.m. (0.29"), then 0.05" overnight
9/12/2010 6:00 AM 0.00 0.0 M M M
9/13/2010 6:00 AM 0.00 0.0 M M M
9/14/2010 7:00 AM 0.08 M M M M
9/15/2010 6:00 AM 0.00 0.0 M M M
9/16/2010 6:00 AM 0.12 M M M M
9/18/2010 6:15 AM 0.15 M M M M raining right now
9/19/2010 6:00 AM 1.57 M M M M 0.65" by 6 p.m. 9/18, then an additional 0.92" overnight
9/20/2010 6:00 AM 0.11 M M M M light rain ended 9/19 late afternoon, with another 0.03 overnight. it is foggy this a.m.
9/21/2010 7:00 AM 0.00 0.0 M M M
9/22/2010 6:00 AM 1.26 M M M M
9/23/2010 6:00 AM 0.01 M M M M
9/24/2010 6:00 AM 1.12 M M M M
9/25/2010 6:30 AM 0.02 M M M M
9/26/2010 7:00 AM 0.66 M M M M
9/27/2010 7:00 AM 0.00 0.0 M M M
9/28/2010 6:00 AM 0.00 0.0 M M M
9/29/2010 6:00 AM 0.00 0.0 M M M
9/30/2010 6:00 AM 0.00 0.0 M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/10/2009 10/12/2009 8:30 AM 3 0.05 0.1 M light snow early Saturday morning, 10/10; gone by Sunday
10/19/2009 10/21/2009 6:30 PM 3 0.05 M M
10/21/2009 10/23/2009 2:30 PM 3 2.97 M M
10/28/2009 10/31/2009 9:00 AM 4 1.62 M M
11/5/2009 11/06/2009 11:00 AM 2 0.00 M M
11/7/2009 11/10/2009 2:00 PM 4 0.00 M M
11/11/2009 11/16/2009 9:00 PM 6 0.13 M M
11/17/2009 11/18/2009 1:15 PM 2 0.09 M M
11/18/2009 11/19/2009 10:00 AM 2 0.09 M M
11/20/2009 11/21/2009 2:00 PM 2 0.00 M M very foggy in the morning
11/23/2009 11/24/2009 10:00 AM 2 0.40 M M
11/26/2009 11/27/2009 10:00 AM 2 0.10 M M
12/1/2009 12/02/2009 8:30 AM 2 0.00 M M cold front moving into area
12/8/2009 12/13/2009 1:00 PM 6 14.00 13.0 0.10
5/8/2010 5/09/2010 6:30 PM 2 0.00 M M
5/18/2010 5/20/2010 9:30 AM 3 0.00 M M
6/2/2010 6/06/2010 4:00 PM 5 1.86 M M
7/11/2010 7/13/2010 5:00 PM 3 0.51 M M
7/18/2010 7/19/2010 8:00 AM 2 2.77 M M As of this a.m., our electrical power has returned! I was unable to report yesterday a.m.'s 2.09" of rain @ 0700. This, in addition to last night's 0.68" gives a grand total of 2.77" for the 2 days. Many areas of central IA were impacted by Saturday's late night/early morning storms, which included street flooding & many large tree branches, and some trees, down, taking power lines with them.
7/24/2010 7/25/2010 1:00 PM 2 1.24 M M all of the rain was from the evening-night of 7/23-7/24
8/13/2010 8/15/2010 11:00 AM 3 0.06 M M rain occured on Friday ... dry since then
9/1/2010 9/04/2010 5:00 PM 4 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