Station Overview Station Location
Station Number MD-BL-19 Latitude 39.405942
Station Name Perry Hall 0.9 E Longitude -76.461218
County Baltimore Elevation (ft) 192



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 11 3.99 16.70 50 1.58 1 15.12 49 3 1 0 0.0 0 0
Nov 11 3.72 2.31 30 0.00 0 2.31 30 1 0 0 0.0 0 0
Dec 11 3.70 6.54 31 0.00 0 6.54 31 1 0 0 0.0 0 0
Jan 12 3.43 0.00 31 0.00 0 0.00 31 0 0 0 0.0 0 0
Feb 12 3.07 0.90 29 0.00 0 0.90 29 1 0 0 0.0 0 0
March 12 4.23 2.31 31 0.01 1 2.30 30 1 1 0 0.0 0 0
April 12 3.77 2.95 30 0.00 0 2.95 30 2 0 0 0.0 0 0
May 12 4.51 2.58 31 0.00 0 2.58 31 2 0 0 0.0 0 0
June 12 3.69 3.34 29 0.00 4 3.34 25 2 0 0 0.0 0 0
July 12 4.33 6.53 62 0.00 0 6.53 62 1 0 0 0.0 0 0
Aug 12 3.45 6.50 62 0.00 0 6.50 62 1 0 0 0.0 0 0
Sept 12 4.45 1.05 47 0.00 0 1.05 47 1 0 0 0.0 0 0
Water Year Totals: 46.34" 51.71" 463 days 1.59" 6 50.12" 457 days 16 2 days 0 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
10/1/2011 **
10/2/2011 **
10/3/2011 **
10/4/2011 **
10/5/2011 **
10/6/2011 **
10/7/2011 **
10/8/2011 **
10/9/2011 **
10/10/2011 **
10/11/2011 **
10/12/2011 **
10/13/2011 **
10/14/2011 **
10/15/2011 **
10/16/2011 **
10/17/2011 **
10/18/2011 1.18
10/19/2011 1.58 **
10/20/2011 **
10/21/2011 **
10/22/2011 **
10/23/2011 **
10/24/2011 **
10/25/2011 **
10/26/2011 **
10/27/2011 **
10/28/2011 6.97
10/29/2011 **
10/30/2011 **
10/31/2011 **
11/1/2011 **
11/2/2011 **
11/3/2011 **
11/4/2011 **
11/5/2011 **
11/6/2011 **
11/7/2011 2.31
11/8/2011 **
11/9/2011 **
11/10/2011 **
11/11/2011 **
11/12/2011 **
11/13/2011 **
11/14/2011 **
11/15/2011 **
11/16/2011 **
11/17/2011 **
11/18/2011 **
11/19/2011 **
11/20/2011 **
11/21/2011 **
11/22/2011 **
11/23/2011 **
11/24/2011 **
11/25/2011 **
11/26/2011 **
11/27/2011 **
11/28/2011 **
11/29/2011 **
11/30/2011 **
12/1/2011 **
12/2/2011 **
12/3/2011 **
12/4/2011 **
12/5/2011 **
12/6/2011 **
12/7/2011 6.54
12/8/2011 **
12/9/2011 **
12/10/2011 **
12/11/2011 **
12/12/2011 **
12/13/2011 **
12/14/2011 **
12/15/2011 **
12/16/2011 **
12/17/2011 **
12/18/2011 **
12/19/2011 **
12/20/2011 **
12/21/2011 **
12/22/2011 **
12/23/2011 **
12/24/2011 **
12/25/2011 **
12/26/2011 **
12/27/2011 **
12/28/2011 **
12/29/2011 **
12/30/2011 **
12/31/2011 **
Day of YearDaily PrcpMultiday Prcp
1/1/2012 **
1/2/2012 **
1/3/2012 **
1/4/2012 **
1/5/2012 **
1/6/2012 **
1/7/2012 **
1/8/2012 **
1/9/2012 **
1/10/2012 **
1/11/2012 **
1/12/2012 **
1/13/2012 **
1/14/2012 **
1/15/2012 **
1/16/2012 **
1/17/2012 **
1/18/2012 **
1/19/2012 **
1/20/2012 **
1/21/2012 **
1/22/2012 **
1/23/2012 **
1/24/2012 **
1/25/2012 **
1/26/2012 **
1/27/2012 **
1/28/2012 **
1/29/2012 **
1/30/2012 **
1/31/2012 **
2/1/2012 **
2/2/2012 **
2/3/2012 **
2/4/2012 **
2/5/2012 **
2/6/2012 0.90
2/7/2012 **
2/8/2012 **
2/9/2012 **
2/10/2012 **
2/11/2012 **
2/12/2012 **
2/13/2012 **
2/14/2012 **
2/15/2012 **
2/16/2012 **
2/17/2012 **
2/18/2012 **
2/19/2012 **
2/20/2012 **
2/21/2012 **
2/22/2012 **
2/23/2012 **
2/24/2012 **
2/25/2012 **
2/26/2012 **
2/27/2012 **
2/28/2012 **
2/29/2012 **
3/1/2012 **
3/2/2012 **
3/3/2012 **
3/4/2012 2.30
3/5/2012 0.01
3/6/2012 **
3/7/2012 **
3/8/2012 **
3/9/2012 **
3/10/2012 **
3/11/2012 **
3/12/2012 **
3/13/2012 **
3/14/2012 **
3/15/2012 **
3/16/2012 **
3/17/2012 **
3/18/2012 **
3/19/2012 **
3/20/2012 **
3/21/2012 **
3/22/2012 **
3/23/2012 **
3/24/2012 **
3/25/2012 **
3/26/2012 **
3/27/2012 **
3/28/2012 **
3/29/2012 **
3/30/2012 **
3/31/2012 **
Day of YearDaily PrcpMultiday Prcp
4/1/2012 **
4/2/2012 **
4/3/2012 **
4/4/2012 **
4/5/2012 **
4/6/2012 **
4/7/2012 **
4/8/2012 **
4/9/2012 **
4/10/2012 **
4/11/2012 **
4/12/2012 **
4/13/2012 **
4/14/2012 **
4/15/2012 **
4/16/2012 0.50
4/17/2012 **
4/18/2012 **
4/19/2012 **
4/20/2012 **
4/21/2012 **
4/22/2012 **
4/23/2012 **
4/24/2012 **
4/25/2012 **
4/26/2012 **
4/27/2012 **
4/28/2012 **
4/29/2012 **
4/30/2012 2.45
5/1/2012 **
5/2/2012 **
5/3/2012 **
5/4/2012 **
5/5/2012 0.78
5/6/2012 **
5/7/2012 **
5/8/2012 **
5/9/2012 **
5/10/2012 **
5/11/2012 **
5/12/2012 **
5/13/2012 **
5/14/2012 **
5/15/2012 **
5/16/2012 **
5/17/2012 **
5/18/2012 **
5/19/2012 **
5/20/2012 **
5/21/2012 **
5/22/2012 **
5/23/2012 **
5/24/2012 **
5/25/2012 **
5/26/2012 **
5/27/2012 **
5/28/2012 1.80
5/29/2012 **
5/30/2012 **
5/31/2012 **
6/1/2012 **
6/2/2012 **
6/3/2012 **
6/4/2012 **
6/5/2012 **
6/6/2012 1.82
6/7/2012 0.00
6/8/2012 0.00
6/9/2012 0.00
6/10/2012 0.00
6/11/2012 **
6/12/2012 1.52
6/13/2012 M
6/14/2012 **
6/15/2012 **
6/16/2012 **
6/17/2012 **
6/18/2012 **
6/19/2012 **
6/20/2012 **
6/21/2012 **
6/22/2012 **
6/23/2012 **
6/24/2012 **
6/25/2012 **
6/26/2012 **
6/27/2012 **
6/28/2012 **
6/29/2012 **
6/30/2012 **
Day of YearDaily PrcpMultiday Prcp
7/1/2012 **
7/2/2012 **
7/3/2012 **
7/4/2012 **
7/5/2012 **
7/6/2012 **
7/7/2012 **
7/8/2012 **
7/9/2012 **
7/10/2012 **
7/11/2012 **
7/12/2012 **
7/13/2012 **
7/14/2012 **
7/15/2012 **
7/16/2012 **
7/17/2012 **
7/18/2012 **
7/19/2012 **
7/20/2012 **
7/21/2012 **
7/22/2012 **
7/23/2012 **
7/24/2012 **
7/25/2012 **
7/26/2012 **
7/27/2012 **
7/28/2012 **
7/29/2012 **
7/30/2012 **
7/31/2012 **
8/1/2012 **
8/2/2012 **
8/3/2012 **
8/4/2012 **
8/5/2012 **
8/6/2012 **
8/7/2012 **
8/8/2012 **
8/9/2012 **
8/10/2012 **
8/11/2012 **
8/12/2012 **
8/13/2012 **
8/14/2012 **
8/15/2012 **
8/16/2012 **
8/17/2012 **
8/18/2012 **
8/19/2012 **
8/20/2012 **
8/21/2012 **
8/22/2012 **
8/23/2012 **
8/24/2012 **
8/25/2012 **
8/26/2012 **
8/27/2012 **
8/28/2012 **
8/29/2012 **
8/30/2012 **
8/31/2012 **
9/1/2012 **
9/2/2012 **
9/3/2012 **
9/4/2012 **
9/5/2012 **
9/6/2012 **
9/7/2012 **
9/8/2012 **
9/9/2012 **
9/10/2012 **
9/11/2012 **
9/12/2012 **
9/13/2012 **
9/14/2012 **
9/15/2012 **
9/16/2012 **
9/17/2012 **
9/18/2012 **
9/19/2012 **
9/20/2012 **
9/21/2012 **
9/22/2012 **
9/23/2012 **
9/24/2012 **
9/25/2012 **
9/26/2012 **
9/27/2012 **
9/28/2012 **
9/29/2012 **
9/30/2012 **



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/19/2011 5:00 PM 1.58 M M M M
3/5/2012 5:00 PM 0.01 M M M M Flurries
6/7/2012 7:00 AM 0.00 0.0 M M M
6/8/2012 7:00 AM 0.00 0.0 M M M
6/9/2012 7:00 AM 0.00 0.0 M M M
6/10/2012 7:00 AM 0.00 0.0 M M M
6/13/2012 7:00 AM M 0.0 M M M (edit: daily precip initially recorded as 0.00". changed to NA due to discrepancy with surroundings. observer contacted. P.G.)



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
9/16/2011 10/01/2011 5:00 PM 16 6.97 0.0 6.97
10/1/2011 10/28/2011 5:00 PM 28 6.97 0.0 6.97
10/2/2011 10/18/2011 5:00 PM 17 1.18 0.0 1.18
10/29/2011 11/07/2011 5:00 PM 10 2.31 0.3 2.45
11/8/2011 12/07/2011 5:00 PM 30 6.54 0.0 6.54
12/8/2011 2/06/2012 5:00 PM 61 0.90 0.1 0.90
2/7/2012 3/04/2012 5:00 PM 27 2.30 0.0 2.30
3/6/2012 4/16/2012 5:00 PM 42 0.50 0.0 0.50 Unusually dry!
4/17/2012 4/30/2012 5:00 PM 14 2.45 0.0 2.45
5/1/2012 5/05/2012 5:00 PM 5 0.78 0.0 0.78
5/6/2012 5/28/2012 5:00 PM 23 1.80 0.0 1.80
5/29/2012 6/06/2012 5:00 PM 9 1.82 0.0 1.82
6/11/2012 6/12/2012 5:00 PM 2 1.52 0.0 1.52
6/14/2012 7/31/2012 5:00 PM 48 6.53 0.0 6.53 Severe thunderstorms accompanied with hail, wind and frequent lightning has produced most of the recorded precipitation.
7/1/2012 8/31/2012 5:00 PM 62 6.50 0.0 6.50
8/1/2012 9/18/2012 5:00 PM 49 1.05 0.0 1.05
9/2/2012 10/28/2012 5:00 PM 57 1.98 0.0 1.98



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