Station Overview Station Location
Station Number MD-CH-33 Latitude 38.64404
Station Name Waldorf 2.2 E Longitude -76.86389
County Charles Elevation (ft) 208



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 3.63 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 09 3.66 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 09 3.40 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 10 3.07 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 10 2.87 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 10 3.76 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 10 3.28 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 10 4.08 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 10 3.84 1.69 5 1.69 5 0.00 0 0 4 1 0.0 0 0
July 10 3.80 3.11 7 3.11 7 0.00 0 0 7 0 0.0 0 0
Aug 10 3.37 5.13 8 5.13 8 0.00 0 0 8 0 0.0 0 0
Sept 10 3.68 3.26 7 3.26 7 0.00 0 0 7 0 0.0 0 0
Water Year Totals: 42.44" 13.19" 27 days 13.19" 27 0.00" 0 days 0 26 days 1 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
10/1/2009
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
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
4/13/2010
4/14/2010
4/15/2010
4/16/2010
4/17/2010
4/18/2010
4/19/2010
4/20/2010
4/21/2010
4/22/2010
4/23/2010
4/24/2010
4/25/2010
4/26/2010
4/27/2010
4/28/2010
4/29/2010
4/30/2010
5/1/2010
5/2/2010
5/3/2010
5/4/2010
5/5/2010
5/6/2010
5/7/2010
5/8/2010
5/9/2010
5/10/2010
5/11/2010
5/12/2010
5/13/2010
5/14/2010
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
6/2/2010
6/3/2010
6/4/2010
6/5/2010
6/6/2010
6/7/2010 0.58
6/8/2010
6/9/2010
6/10/2010
6/11/2010
6/12/2010
6/13/2010 0.61
6/14/2010 0.12
6/15/2010 0.38
6/16/2010
6/17/2010
6/18/2010
6/19/2010
6/20/2010
6/21/2010
6/22/2010
6/23/2010 T
6/24/2010
6/25/2010
6/26/2010
6/27/2010
6/28/2010
6/29/2010
6/30/2010
Day of YearDaily PrcpMultiday Prcp
7/1/2010
7/2/2010
7/3/2010
7/4/2010
7/5/2010
7/6/2010
7/7/2010
7/8/2010
7/9/2010
7/10/2010
7/11/2010 0.62
7/12/2010
7/13/2010 1.15
7/14/2010 0.95
7/15/2010
7/16/2010
7/17/2010
7/18/2010
7/19/2010
7/20/2010 0.02
7/21/2010 0.04
7/22/2010
7/23/2010
7/24/2010
7/25/2010
7/26/2010 0.08
7/27/2010
7/28/2010
7/29/2010
7/30/2010 0.25
7/31/2010
8/1/2010 0.17
8/2/2010
8/3/2010
8/4/2010
8/5/2010
8/6/2010 0.15
8/7/2010
8/8/2010
8/9/2010
8/10/2010
8/11/2010
8/12/2010
8/13/2010 2.85
8/14/2010
8/15/2010
8/16/2010 0.75
8/17/2010
8/18/2010 0.80
8/19/2010 0.29
8/20/2010
8/21/2010
8/22/2010
8/23/2010 0.04
8/24/2010 0.08
8/25/2010
8/26/2010
8/27/2010
8/28/2010
8/29/2010
8/30/2010
8/31/2010
9/1/2010
9/2/2010
9/3/2010
9/4/2010
9/5/2010
9/6/2010
9/7/2010
9/8/2010
9/9/2010
9/10/2010
9/11/2010
9/12/2010 0.48
9/13/2010 0.06
9/14/2010
9/15/2010
9/16/2010
9/17/2010 0.10
9/18/2010 0.10
9/19/2010
9/20/2010
9/21/2010
9/22/2010
9/23/2010
9/24/2010
9/25/2010
9/26/2010
9/27/2010 0.19
9/28/2010 0.08
9/29/2010
9/30/2010 2.25



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
6/7/2010 7:00 AM 0.58 M M M M Several heavy showers with some thunder across Charles/PG County Line with afternoon cold front.
6/13/2010 7:00 AM 0.61 M M M M A direct hit with brief intense +TSRA OCNL LTCCG from cluster moving through Srn PG/ Nrn Charles County around 6 PM. Most rain in a ten minute period.
6/14/2010 7:00 AM 0.12 M M M M Caught N edge of shower moving into Waldorf
6/15/2010 7:00 AM 0.38 M M M M On NE edge of late afternoon showers... .02. A heavier shower around dusk...no thunder.... .36 Showers were moving SEward.
6/23/2010 7:00 AM T M M M M Station in split between 2 strong cells: One across Nrn La Plata near Rtes 227 and 301 where I witnessed 1/4+TSRA FQT LTCCCG and gusts to 45, estimated 0.60" in 10 minutes, and across Srn Clinton in PG County, which had an awesome cauliflower overshooting top in the setting sunlight.
7/11/2010 7:00 AM 0.62 M M M M
7/13/2010 7:00 AM 1.15 M M M M .09" Heavy storms Wrn Charles County late afternoon fizzled out .09." +TSRA after midnight 1.06" most rain fell in an hours time.
7/14/2010 7:00 AM 0.95 M M M M Brief ++TSRA 8 PM; .55" in about 10 minutes. FQT LTGCG. Second +TSRA just after mid. .40" FQT LTGIC mostly to N-W
7/20/2010 7:00 AM 0.02 M M M M
7/21/2010 7:00 AM 0.04 M M M M
7/26/2010 7:00 AM 0.08 M M M M Very strong winds in brief TSRA but gust front outrain its moisture supply as heavy totals stayed N-NW and well to the SW.
7/30/2010 7:00 AM 0.25 M M M M
8/1/2010 7:00 AM 0.17 M M M M
8/6/2010 7:00 AM 0.15 M M M M Estimated from Storm Total Precip and total in guages on return from Britain which showed an absolute minimum here in yesterdays activity. Strong winds but not much rain
8/13/2010 7:00 AM 2.85 M M M M 1.45 from morning +TSRA, .30" evening -TSRA, 1.10 from low topped tropical downpour 3:00-3:20 AM. radar showed another inch from this a couple miles SE. Some street flooding.
8/16/2010 7:00 AM 0.75 M M M M
8/18/2010 7:00 AM 0.80 M M M M +TSRA 3AM
8/19/2010 7:00 AM 0.29 M M M M
8/23/2010 7:00 AM 0.04 M M M M Missed heavy showers over Srn PG County both morning and afternoon
8/24/2010 7:00 AM 0.08 M M M M Small heavy shower late eve of 23rd just to N-a mile or so- never made it this far S.
9/12/2010 7:00 AM 0.48 M M M M
9/13/2010 7:00 AM 0.06 M M M M
9/17/2010 7:00 AM 0.10 M M M M
9/18/2010 7:00 AM 0.10 M M M M
9/27/2010 7:00 AM 0.19 M M M M
9/28/2010 7:00 AM 0.08 M M M M
9/30/2010 7:00 AM 2.25 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