Station Overview Station Location
Station Number MO-SS-20 Latitude 38.731
Station Name St. Charles 9.5 WSW Longitude -90.679
County St. Charles Elevation (ft) 488



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 3.46 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 10 3.93 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 10 3.04 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 11 2.29 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 11 2.30 2.97 28 2.97 28 0.00 0 0 9 4 9.2 3 10
March 11 3.34 5.41 31 5.41 31 0.00 0 0 12 2 9.0 4 4
April 11 3.84 6.64 20 6.64 20 0.00 0 0 12 1 0.0 0 0
May 11 4.88 3.52 18 3.52 18 0.00 0 0 18 0 0.0 0 0
June 11 4.21 5.49 11 5.49 11 0.00 0 0 11 0 0.0 0 0
July 11 4.29 2.35 6 2.35 6 0.00 0 0 5 1 0.0 0 0
Aug 11 3.22 0.41 2 0.41 2 0.00 0 0 2 0 0.0 0 0
Sept 11 3.61 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 42.41" 26.79" 116 days 26.79" 116 0.00" 0 days 0 69 days 8 days 18.2" 7 days 14 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
10/2/2010
10/3/2010
10/4/2010
10/5/2010
10/6/2010
10/7/2010
10/8/2010
10/9/2010
10/10/2010
10/11/2010
10/12/2010
10/13/2010
10/14/2010
10/15/2010
10/16/2010
10/17/2010
10/18/2010
10/19/2010
10/20/2010
10/21/2010
10/22/2010
10/23/2010
10/24/2010
10/25/2010
10/26/2010
10/27/2010
10/28/2010
10/29/2010
10/30/2010
10/31/2010
11/1/2010
11/2/2010
11/3/2010
11/4/2010
11/5/2010
11/6/2010
11/7/2010
11/8/2010
11/9/2010
11/10/2010
11/11/2010
11/12/2010
11/13/2010
11/14/2010
11/15/2010
11/16/2010
11/17/2010
11/18/2010
11/19/2010
11/20/2010
11/21/2010
11/22/2010
11/23/2010
11/24/2010
11/25/2010
11/26/2010
11/27/2010
11/28/2010
11/29/2010
11/30/2010
12/1/2010
12/2/2010
12/3/2010
12/4/2010
12/5/2010
12/6/2010
12/7/2010
12/8/2010
12/9/2010
12/10/2010
12/11/2010
12/12/2010
12/13/2010
12/14/2010
12/15/2010
12/16/2010
12/17/2010
12/18/2010
12/19/2010
12/20/2010
12/21/2010
12/22/2010
12/23/2010
12/24/2010
12/25/2010
12/26/2010
12/27/2010
12/28/2010
12/29/2010
12/30/2010
12/31/2010
Day of YearDaily PrcpMultiday Prcp
1/1/2011
1/2/2011
1/3/2011
1/4/2011
1/5/2011
1/6/2011
1/7/2011
1/8/2011
1/9/2011
1/10/2011
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 0.00
2/2/2011 0.98
2/3/2011 0.00
2/4/2011 0.00
2/5/2011 0.16
2/6/2011 0.00
2/7/2011 T
2/8/2011 T
2/9/2011 0.00
2/10/2011 0.00
2/11/2011 0.00
2/12/2011 0.00
2/13/2011 0.00
2/14/2011 0.00
2/15/2011 0.00
2/16/2011 0.00
2/17/2011 0.00
2/18/2011 T
2/19/2011 T
2/20/2011 0.02
2/21/2011 0.23
2/22/2011 0.14
2/23/2011 0.07
2/24/2011 0.07
2/25/2011 0.85
2/26/2011 0.00
2/27/2011 0.00
2/28/2011 0.45
3/1/2011 0.00
3/2/2011 0.00
3/3/2011 0.00
3/4/2011 0.02
3/5/2011 1.82
3/6/2011 T
3/7/2011 0.00
3/8/2011 0.00
3/9/2011 0.81
3/10/2011 0.00
3/11/2011 0.00
3/12/2011 0.00
3/13/2011 0.00
3/14/2011 0.32
3/15/2011 1.24
3/16/2011 0.00
3/17/2011 0.00
3/18/2011 0.00
3/19/2011 0.07
3/20/2011 0.41
3/21/2011 0.00
3/22/2011 0.00
3/23/2011 0.00
3/24/2011 T
3/25/2011 0.17
3/26/2011 0.06
3/27/2011 0.36
3/28/2011 0.00
3/29/2011 0.00
3/30/2011 0.11
3/31/2011 0.02
Day of YearDaily PrcpMultiday Prcp
4/1/2011 0.00
4/2/2011 0.00
4/3/2011 0.00
4/4/2011 0.19
4/5/2011 0.00
4/6/2011 0.00
4/7/2011 0.00
4/8/2011 0.03
4/9/2011 0.40
4/10/2011 0.00
4/11/2011 0.45
4/12/2011
4/13/2011
4/14/2011
4/15/2011 T
4/16/2011 0.40
4/17/2011
4/18/2011
4/19/2011 1.59
4/20/2011 1.04
4/21/2011
4/22/2011 0.26
4/23/2011 1.37
4/24/2011 0.31
4/25/2011 0.15
4/26/2011 0.45
4/27/2011
4/28/2011
4/29/2011
4/30/2011
5/1/2011
5/2/2011 0.22
5/3/2011 0.01
5/4/2011
5/5/2011
5/6/2011 0.04
5/7/2011 0.02
5/8/2011
5/9/2011
5/10/2011
5/11/2011 0.11
5/12/2011
5/13/2011 0.18
5/14/2011 0.17
5/15/2011 0.19
5/16/2011 0.31
5/17/2011
5/18/2011
5/19/2011 0.06
5/20/2011 0.19
5/21/2011 0.09
5/22/2011
5/23/2011 0.59
5/24/2011
5/25/2011 0.35
5/26/2011 0.92
5/27/2011 0.02
5/28/2011 0.03
5/29/2011 0.02
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 0.33
6/12/2011 0.01
6/13/2011 0.01
6/14/2011 0.41
6/15/2011 0.69
6/16/2011
6/17/2011
6/18/2011 1.59
6/19/2011 0.32
6/20/2011
6/21/2011
6/22/2011 0.05
6/23/2011
6/24/2011
6/25/2011
6/26/2011 1.22
6/27/2011 0.51
6/28/2011 0.35
6/29/2011
6/30/2011
Day of YearDaily PrcpMultiday Prcp
7/1/2011
7/2/2011
7/3/2011
7/4/2011 1.39
7/5/2011 0.03
7/6/2011
7/7/2011
7/8/2011 0.52
7/9/2011
7/10/2011
7/11/2011
7/12/2011
7/13/2011 0.06
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 T
7/26/2011
7/27/2011
7/28/2011
7/29/2011
7/30/2011
7/31/2011 0.35
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 0.25
8/20/2011
8/21/2011 0.16
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
2/1/2011 7:00 AM 0.00 0.0 M M M
2/2/2011 6:00 PM 0.98 4.3 M 5.8 0.98 1.5" Sleet, 4.3" Snow
2/3/2011 7:00 AM 0.00 0.0 M M M
2/4/2011 6:00 PM 0.00 0.0 M M M
2/5/2011 7:00 AM 0.16 3.3 0.16 M M 3.3" new snow
2/6/2011 7:00 AM 0.00 0.0 M M M
2/7/2011 7:00 AM T M M M M
2/8/2011 7:00 AM T T T M M
2/9/2011 7:00 AM 0.00 0.0 M 1.6 M Total snowfall depth corrected. Original measurement did not reach the snow board.
2/10/2011 7:00 AM 0.00 0.0 M 1.5 M
2/11/2011 7:00 AM 0.00 0.0 M 1.4 M
2/12/2011 7:00 AM 0.00 0.0 M 1.1 M
2/13/2011 7:00 AM 0.00 0.0 M 0.9 M
2/14/2011 7:00 AM 0.00 0.0 M 0.1 M
2/15/2011 7:00 AM 0.00 0.0 M 0.0 M
2/16/2011 7:00 AM 0.00 0.0 M 0.0 M
2/17/2011 7:00 AM 0.00 0.0 M 0.0 M
2/18/2011 7:00 AM T 0.0 M 0.0 M
2/19/2011 7:00 AM T 0.0 M 0.0 M
2/20/2011 7:00 AM 0.02 0.0 M 0.0 M
2/21/2011 7:00 AM 0.23 0.0 M 0.0 M Still raining, some thunder.
2/22/2011 7:00 AM 0.14 0.0 M 0.0 M .37" storm total.
2/23/2011 7:00 AM 0.07 0.0 M 0.2 M Freezing Rain
2/24/2011 7:00 AM 0.07 0.0 M 0.0 M .14 storm total, including melted ice from yesterday.
2/25/2011 7:00 AM 0.85 1.6 M 1.6 M Started as rain, sleet, snow mix, then all rain, then all snow after 8PM.
2/26/2011 7:00 AM 0.00 0.0 M 0.2 M
2/27/2011 7:00 AM 0.00 0.0 M 0.0 M
2/28/2011 7:00 AM 0.45 0.0 M 0.0 M Half-inch diameter sleet accompanied thunderstorm and was reported separately.
3/1/2011 7:00 AM 0.00 0.0 M 0.0 M
3/2/2011 7:00 AM 0.00 0.0 M 0.0 M
3/3/2011 7:00 AM 0.00 0.0 M M M
3/4/2011 7:00 AM 0.02 0.0 M 0.0 M
3/5/2011 7:00 AM 1.82 0.0 M 0.0 M
3/6/2011 7:00 AM T 0.0 M 0.0 M
3/7/2011 7:00 AM 0.00 0.0 M 0.0 M
3/8/2011 7:00 AM 0.00 0.0 M M M
3/9/2011 7:00 AM 0.81 M M M M
3/10/2011 7:00 AM 0.00 0.0 M M M
3/11/2011 7:00 AM 0.00 0.0 M M M
3/12/2011 7:00 AM 0.00 0.0 M M M
3/13/2011 7:00 AM 0.00 0.0 M M M
3/14/2011 7:00 AM 0.32 1.6 M 1.6 M Heavy snow continues
3/15/2011 7:00 AM 1.24 1.4 M 2.5 M
3/16/2011 7:00 AM 0.00 0.0 M T M
3/17/2011 7:00 AM 0.00 0.0 M 0.0 M
3/18/2011 7:00 AM 0.00 0.0 M M M
3/19/2011 7:00 AM 0.07 M M M M
3/20/2011 7:00 AM 0.41 M M M M
3/21/2011 7:00 AM 0.00 0.0 M M M
3/22/2011 7:00 AM 0.00 0.0 M M M
3/23/2011 7:00 AM 0.00 0.0 M M M
3/24/2011 6:00 AM T M M M M
3/25/2011 7:00 AM 0.17 0.4 M 0.4 M
3/26/2011 7:00 AM 0.06 0.0 M 0.0 M
3/27/2011 7:00 AM 0.36 5.6 M 3.8 M
3/28/2011 7:00 AM 0.00 0.0 M M M
3/29/2011 7:00 AM 0.00 0.0 M M M
3/30/2011 7:00 AM 0.11 T M 0.0 M
3/31/2011 7:00 AM 0.02 0.0 M 0.0 M
4/1/2011 7:00 AM 0.00 0.0 M M M
4/2/2011 7:00 AM 0.00 0.0 M M M
4/3/2011 7:00 AM 0.00 0.0 M M M
4/4/2011 7:00 AM 0.19 M M M M
4/5/2011 7:00 AM 0.00 0.0 M M M
4/6/2011 7:00 AM 0.00 0.0 M M M
4/7/2011 7:00 AM 0.00 0.0 M M M
4/8/2011 7:00 AM 0.03 M M M M
4/9/2011 7:00 AM 0.40 M M M M
4/10/2011 7:00 AM 0.00 0.0 M M M
4/11/2011 5:30 AM 0.45 M M M M
4/15/2011 7:00 AM T M M M M
4/16/2011 7:00 AM 0.40 M M M M
4/19/2011 7:00 AM 1.59 M M M M Actual.
4/20/2011 7:00 AM 1.04 M M M M
4/22/2011 7:00 AM 0.26 M M M M
4/23/2011 7:00 AM 1.37 M M M M
4/24/2011 7:00 AM 0.31 M M M M
4/25/2011 7:00 AM 0.15 M M M M
4/26/2011 7:00 AM 0.45 M M M M
5/2/2011 7:00 AM 0.22 M M M M
5/3/2011 7:00 AM 0.01 M M M M
5/6/2011 7:00 AM 0.04 M M M M
5/7/2011 7:00 AM 0.02 M M M M
5/11/2011 7:00 AM 0.11 M M M M
5/13/2011 7:00 AM 0.18 M M M M
5/14/2011 7:00 AM 0.17 M M M M
5/15/2011 7:00 AM 0.19 M M M M
5/16/2011 7:00 AM 0.31 M M M M
5/19/2011 7:00 AM 0.06 M M M M
5/20/2011 7:00 AM 0.19 M M M M
5/21/2011 7:00 AM 0.09 M M M M
5/23/2011 7:00 AM 0.59 M M M M
5/25/2011 7:00 AM 0.35 M M M M
5/26/2011 7:00 AM 0.92 M M M M
5/27/2011 7:00 AM 0.02 M M M M
5/28/2011 7:00 AM 0.03 M M M M
5/29/2011 5:00 AM 0.02 M M M M
6/11/2011 7:00 AM 0.33 M M M M
6/12/2011 7:00 AM 0.01 M M M M
6/13/2011 7:00 AM 0.01 M M M M
6/14/2011 7:00 AM 0.41 M M M M
6/15/2011 7:00 AM 0.69 M M M M
6/18/2011 7:00 AM 1.59 M M M M
6/19/2011 7:00 AM 0.32 M M M M
6/22/2011 7:00 AM 0.05 M M M M
6/26/2011 7:00 AM 1.22 M M M M
6/27/2011 7:00 AM 0.51 M M M M
6/28/2011 7:00 AM 0.35 M M M M
7/4/2011 7:00 AM 1.39 M M M M
7/5/2011 7:00 AM 0.03 M M M M
7/8/2011 7:00 AM 0.52 M M M M
7/13/2011 7:00 AM 0.06 M M M M
7/25/2011 7:00 AM T M M M M
7/31/2011 7:00 AM 0.35 M M M M
8/19/2011 7:00 AM 0.25 M M M M
8/21/2011 7:00 AM 0.16 M 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
2/27/2011 11:15 PM 1/2" Grape 3/8" 1/4" Pea Size Hard|Clear Ice|White Ice 4 3min no damage Continuous True After rain Same time as smaller hail 30-40
4/19/2011 6:15 AM 1/2" Grape 3/8" 1/4" Pea Size Hard|White Ice 3 3min no damage Intermittent False After rain After smaller hail
4/19/2011 6:30 PM 3/4" Penny Size 3/8" 1/4" Pea Size Hard|Clear Ice|White Ice 15 2min minor leaf damage Intermittent True After rain After smaller hail 30-40
4/23/2011 7:45 PM Pictures here: http://twitpic.com/4oomrq 1/2" Grape 3/8" 1/4" Pea Size Hard|Soft|Mixed|Clear Ice|White Ice 3 1min False Before rain After smaller hail