Station Overview Station Location
Station Number MO-SL-36 Latitude 38.6995
Station Name St. Louis 7.2 WNW Longitude -90.34044
County St. Louis Elevation (ft) 652



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 3.44 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 10 3.96 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 10 2.99 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 11 2.38 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 11 2.45 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 11 3.32 3.09 24 3.09 24 0.00 0 0 10 3 4.2 1 1
April 11 3.82 6.76 30 6.76 30 0.00 0 0 18 2 0.0 0 0
May 11 4.86 3.94 31 3.25 28 0.69 3 1 14 1 0.0 0 0
June 11 4.20 6.31 31 1.47 15 4.84 16 2 6 0 0.0 0 0
July 11 4.11 0.00 2 0.00 2 0.00 0 0 0 0 0.0 0 0
Aug 11 3.19 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 11 3.30 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 42.02" 20.10" 118 days 14.57" 99 5.53" 19 days 3 48 days 6 days 4.2" 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
10/1/2010
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
2/2/2011
2/3/2011
2/4/2011
2/5/2011
2/6/2011
2/7/2011
2/8/2011
2/9/2011
2/10/2011
2/11/2011
2/12/2011
2/13/2011
2/14/2011
2/15/2011
2/16/2011
2/17/2011
2/18/2011
2/19/2011
2/20/2011
2/21/2011
2/22/2011
2/23/2011
2/24/2011
2/25/2011
2/26/2011
2/27/2011
2/28/2011
3/1/2011
3/2/2011
3/3/2011
3/4/2011
3/5/2011
3/6/2011
3/7/2011
3/8/2011 0.00
3/9/2011 0.55
3/10/2011 0.01
3/11/2011 T
3/12/2011 0.00
3/13/2011 0.00
3/14/2011 0.43
3/15/2011 1.03
3/16/2011 T
3/17/2011 0.00
3/18/2011 0.00
3/19/2011 0.00
3/20/2011 0.37
3/21/2011 0.00
3/22/2011 0.00
3/23/2011 T
3/24/2011 0.00
3/25/2011 0.08
3/26/2011 0.15
3/27/2011 0.33
3/28/2011 0.00
3/29/2011 0.00
3/30/2011 0.06
3/31/2011 0.08
Day of YearDaily PrcpMultiday Prcp
4/1/2011 0.00
4/2/2011 0.00
4/3/2011 0.00
4/4/2011 0.61
4/5/2011 0.17
4/6/2011 0.00
4/7/2011 0.00
4/8/2011 0.02
4/9/2011 0.53
4/10/2011 T
4/11/2011 0.25
4/12/2011 0.11
4/13/2011 0.00
4/14/2011 0.00
4/15/2011 T
4/16/2011 0.81
4/17/2011 0.02
4/18/2011 0.00
4/19/2011 0.01
4/20/2011 0.99
4/21/2011 0.00
4/22/2011 0.14
4/23/2011 0.70
4/24/2011 0.64
4/25/2011 0.23
4/26/2011 0.77
4/27/2011 0.04
4/28/2011 0.68
4/29/2011 0.04
4/30/2011 0.00
5/1/2011 0.00
5/2/2011 0.31
5/3/2011 T
5/4/2011 0.00
5/5/2011 0.00
5/6/2011 0.06
5/7/2011 0.06
5/8/2011 0.00
5/9/2011 0.00
5/10/2011 0.00
5/11/2011 0.05
5/12/2011 0.00
5/13/2011 0.06
5/14/2011 **
5/15/2011 **
5/16/2011 0.69
5/17/2011 0.00
5/18/2011 0.00
5/19/2011 0.00
5/20/2011 0.08
5/21/2011 0.06
5/22/2011 0.00
5/23/2011 0.33
5/24/2011 0.42
5/25/2011 0.19
5/26/2011 1.46
5/27/2011 0.12
5/28/2011 0.02
5/29/2011 0.03
5/30/2011 0.00
5/31/2011 0.00
6/1/2011 0.01
6/2/2011 0.00
6/3/2011 0.00
6/4/2011 **
6/5/2011 **
6/6/2011 0.00 0.00
6/7/2011 0.00
6/8/2011 0.00
6/9/2011 0.00
6/10/2011 0.00
6/11/2011 0.98
6/12/2011 0.00
6/13/2011 0.03
6/14/2011 0.15
6/15/2011 0.28
6/16/2011 0.02
6/17/2011 0.00
6/18/2011 **
6/19/2011 **
6/20/2011 **
6/21/2011 **
6/22/2011 **
6/23/2011 **
6/24/2011 **
6/25/2011 **
6/26/2011 **
6/27/2011 **
6/28/2011 **
6/29/2011 **
6/30/2011 4.84
Day of YearDaily PrcpMultiday Prcp
7/1/2011 0.00
7/2/2011 0.00
7/3/2011
7/4/2011
7/5/2011
7/6/2011
7/7/2011
7/8/2011
7/9/2011
7/10/2011
7/11/2011
7/12/2011
7/13/2011
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
7/26/2011
7/27/2011
7/28/2011
7/29/2011
7/30/2011
7/31/2011
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
8/20/2011
8/21/2011
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
3/8/2011 6:00 AM 0.00 0.0 M M M
3/9/2011 6:00 AM 0.55 M M M M
3/10/2011 6:00 AM 0.01 M M M M
3/11/2011 6:00 AM T M M M M
3/12/2011 6:00 AM 0.00 0.0 M M M
3/13/2011 6:00 AM 0.00 0.0 M M M
3/14/2011 6:00 AM 0.43 M M M M
3/15/2011 6:00 AM 1.03 M M M M
3/16/2011 6:00 AM T M M M M
3/17/2011 6:00 AM 0.00 0.0 M M M
3/18/2011 6:00 AM 0.00 0.0 M M M
3/19/2011 6:00 AM 0.00 0.0 M M M
3/20/2011 6:00 AM 0.37 M M M M
3/21/2011 6:00 AM 0.00 0.0 M M M
3/22/2011 6:00 AM 0.00 0.0 M M M
3/23/2011 6:00 AM T M M M M Light rain for approximately 2 minutes around 16:00 on 23 March 2011 with no accumulation.
3/24/2011 6:00 AM 0.00 0.0 M M M
3/25/2011 6:00 AM 0.08 T M M M rain, snow mix at time of observation
3/26/2011 6:00 AM 0.15 M M M M
3/27/2011 6:00 AM 0.33 4.2 0.33 4.2 0.33 Snow started approximately 13:00 CDT on 26 March 2011 and ended approximately 20:00 CDT on 26 March 2011. When it started, it was a fairly heavy snow that became a lighter, fluffier snow.
3/28/2011 6:00 AM 0.00 0.0 M M M Due to 40°+ temperatures on 27 March 2011, all of the snow at my location has melted.
3/29/2011 6:00 AM 0.00 0.0 M M M
3/30/2011 6:00 AM 0.06 M M M M Rain/snow mix at time of observation. However, due to temperature near 40°F there was no accumulation.
3/31/2011 6:00 AM 0.08 M M M M Was a rain/snow mix the morning of 30 March 2011 with no accumulation of snow due to tmeperatures near 40°F. Rainfall had stopped prior to 15:00 on 30 March 2011.
4/1/2011 6:00 AM 0.00 0.0 M M M
4/2/2011 6:00 AM 0.00 0.0 M M M
4/3/2011 6:00 AM 0.00 0.0 M M M
4/4/2011 6:00 AM 0.61 M M M M I don't know if there was a storm over night prior to 04:30, but at approximately 04:30 there was a thunderstorm with strong winds and frequent lightning lasting until around 04:50. There was no hail.
4/5/2011 6:00 AM 0.17 M M M M
4/6/2011 6:00 AM 0.00 0.0 M M M
4/7/2011 6:00 AM 0.00 0.0 M M M
4/8/2011 6:00 AM 0.02 M M M M Very light rain at time of observation.
4/9/2011 6:00 AM 0.53 M M M M Light rain falling at time of observation. Heavy rain and frequent lightning and thunder ended shortly before observation. Lightning still in vicinity at time of observation.
4/10/2011 6:00 AM T M M M M Very light rain between 06:00 and 06:30 on 09 April 2011 with no measurable accumulation.
4/11/2011 6:00 AM 0.25 M M M M Light rain was falling at time of observation.
4/12/2011 6:00 AM 0.11 M M M M
4/13/2011 6:00 AM 0.00 0.0 M M M
4/14/2011 6:00 AM 0.00 0.0 M M M
4/15/2011 6:00 AM T M M M M Light rain at time of observation. Based on amount of rain on sidewalk, I estimated that it began raining about 10 minutes before observation. Also, while driving to work this morning, I drove through several areas of moderate to heavy precipitation. I also observed occasional cloud to cloud lightning to the south of downtown St Louis during my drive to work.
4/16/2011 6:00 AM 0.81 M M M M Between 06:00 and 16:30 on 15 April 2011 there was 0.25" of accumulation. At 16:30 heavy rainfall began which lasted 20 minutes. Following this rain there was 0.79" in the rain gauge, giving an event total of .54".
4/17/2011 6:00 AM 0.02 M M M M Light rainfall during the morning of 16 April 2011.
4/18/2011 6:00 AM 0.00 0.0 M M M
4/19/2011 6:00 AM 0.01 M M M M Light rain falling at time of observation. Frequent lightning with thunder in the area, mostly to the west and southwest of my location.
4/20/2011 6:00 AM 0.99 M M M M There were three distinct periods of heavy rain during the afternoon and evening of 19 April 2011.
4/21/2011 6:00 AM 0.00 0.0 M M M
4/22/2011 6:00 AM 0.14 M M M M Light rain falling at time of observation. Frequent lightning observed in the area, mostly to the south and west. Could here occasional thunder.
4/23/2011 6:00 AM 0.70 M M M M Throughout the 24 prior to this observation, there were several storms passing through the area.
4/24/2011 6:00 AM 0.64 M M M M Clouds and moderate rain most of the day.
4/25/2011 6:00 AM 0.23 M M M M Light to moderate rain fall during the day of 24 April 2001.
4/26/2011 6:00 AM 0.77 M M M M Moderate rainfall off and on throughout the late afternoon and evening of 25 April 2001.
4/27/2011 6:00 AM 0.04 M M M M
4/28/2011 6:00 AM 0.68 M M M M Moderate steady rainfall throughout the afternoon.
4/29/2011 6:00 AM 0.04 M M M M
4/30/2011 6:00 AM 0.00 0.0 M M M
5/1/2011 6:00 AM 0.00 0.0 M M M
5/2/2011 6:00 AM 0.31 M M M M Steady, moderate rainfall during the afternoon and evening of 01 May 2011.
5/3/2011 6:00 AM T M M M M Very light, periodic rainfall during the evning of 02 May 2011 - no measurable amount.
5/4/2011 6:00 AM 0.00 0.0 M M M
5/5/2011 6:00 AM 0.00 0.0 M M M
5/6/2011 6:00 AM 0.06 M M M M Occassional, moderate rainfall late evening of 05 May 2011.
5/7/2011 7:00 AM 0.06 M M M M
5/8/2011 6:00 AM 0.00 0.0 M M M
5/9/2011 6:00 AM 0.00 0.0 M M M
5/10/2011 6:00 AM 0.00 0.0 M M M
5/11/2011 6:00 AM 0.05 M M M M Scattered showers throughout the day of 10 May 2011.
5/12/2011 6:00 AM 0.00 0.0 M M M
5/13/2011 6:00 AM 0.06 M M M M Light rain early morning of 13 May 2011.
5/17/2011 6:00 AM 0.00 0.0 M M M
5/18/2011 6:00 AM 0.00 0.0 M M M
5/19/2011 6:00 AM 0.00 0.0 M M M
5/20/2011 6:00 AM 0.08 M M M M Very light rainfall afternoon of 19 may 2011.
5/21/2011 6:00 AM 0.06 M M M M
5/22/2011 6:00 AM 0.00 0.0 M M M
5/23/2011 6:00 AM 0.33 M M M M Moderate thunderstorm on 22 May 2011 at approximately 21:00.
5/24/2011 6:00 AM 0.42 M M M M
5/25/2011 6:00 AM 0.19 M M M M Several narrow bands of heavy rain during the morning of 25 May 2011. Heavy rain stopped shortly before time of observation and very light rainfall occurring at time of observation.
5/26/2011 6:00 AM 1.46 M M M M Very heavy rain and thunderstorm during the afternoon of 25 May 2011.
5/27/2011 6:00 AM 0.12 M M M M
5/28/2011 6:00 AM 0.02 M M M M Very light rain the evening of 27 May 2011.
5/29/2011 6:00 AM 0.03 M M M M Light rain the evening of 28 May 2011.
5/30/2011 6:00 AM 0.00 0.0 M M M
5/31/2011 6:00 AM 0.00 0.0 M M M
6/1/2011 6:00 AM 0.01 M M M M
6/2/2011 6:00 AM 0.00 0.0 M M M
6/3/2011 6:00 AM 0.00 0.0 M M M
6/6/2011 6:00 AM 0.00 0.0 M M M
6/7/2011 6:00 AM 0.00 0.0 M M M
6/8/2011 6:00 AM 0.00 0.0 M M M
6/9/2011 6:00 AM 0.00 0.0 M M M
6/10/2011 6:00 AM 0.00 0.0 M M M
6/11/2011 6:00 AM 0.98 M M M M Heavy thunderstorm started approximately 22:45 on 10 June 2011.
6/12/2011 6:00 AM 0.00 0.0 M M M
6/13/2011 6:00 AM 0.03 M M M M
6/14/2011 6:00 AM 0.15 M M M M Brief afternoon thunder showers on 13 June 2014.
6/15/2011 6:00 AM 0.28 M M M M
6/16/2011 6:00 AM 0.02 M M M M
6/17/2011 6:00 AM 0.00 0.0 M M M
7/1/2011 6:00 AM 0.00 0.0 M M M
7/2/2011 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
5/14/2011 5/16/2011 6:00 AM 3 0.69 M M Light rainfall off and on throughout the day of both 14 May 2001 and 15 May 2011.
6/4/2011 6/06/2011 6:00 AM 3 0.00 M M
6/18/2011 6/30/2011 6:00 AM 13 4.84 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