Station Overview Station Location
Station Number MD-HR-10 Latitude 39.67223
Station Name Jarrettsville 4.8 N Longitude -76.4609
County Harford Elevation (ft) 489



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 3.99 6.23 8 6.23 8 0.00 0 0 8 0 0.0 0 0
Nov 09 3.73 2.65 6 2.65 6 0.00 0 0 5 0 0.0 0 0
Dec 09 3.53 3.71 4 3.71 4 0.00 0 0 4 0 0.0 0 0
Jan 10 3.33 3.16 3 3.16 3 0.00 0 0 3 0 0.0 0 0
Feb 10 2.90 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 10 3.96 3.57 6 3.57 6 0.00 0 0 6 0 0.0 0 0
April 10 3.77 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 10 4.34 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 10 3.74 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
July 10 4.39 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 10 3.55 2.76 2 2.76 2 0.00 0 0 2 0 0.0 0 0
Sept 10 4.44 9.63 5 9.63 5 0.00 0 0 5 0 0.0 0 0
Water Year Totals: 45.67" 31.71" 34 days 31.71" 34 0.00" 0 days 0 33 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
10/1/2009
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 0.03
10/16/2009 1.04
10/17/2009 0.86
10/18/2009 1.30
10/19/2009
10/20/2009
10/21/2009
10/22/2009
10/23/2009
10/24/2009 0.30
10/25/2009 0.63
10/26/2009
10/27/2009 0.45
10/28/2009 1.62
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 0.11
11/12/2009 0.51
11/13/2009
11/14/2009
11/15/2009
11/16/2009
11/17/2009
11/18/2009
11/19/2009
11/20/2009 1.10
11/21/2009
11/22/2009 0.00
11/23/2009
11/24/2009
11/25/2009 0.61
11/26/2009
11/27/2009 0.32
11/28/2009
11/29/2009
11/30/2009
12/1/2009 0.20
12/2/2009
12/3/2009 1.29
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 1.58
12/27/2009 0.64
12/28/2009
12/29/2009
12/30/2009
12/31/2009
Day of YearDaily PrcpMultiday Prcp
1/1/2010 0.40
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 0.82
1/19/2010
1/20/2010
1/21/2010
1/22/2010
1/23/2010
1/24/2010
1/25/2010 1.94
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 0.23
3/13/2010 0.52
3/14/2010 1.21
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 0.92
3/30/2010 0.26
3/31/2010 0.43
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
6/8/2010
6/9/2010
6/10/2010
6/11/2010
6/12/2010
6/13/2010
6/14/2010
6/15/2010
6/16/2010
6/17/2010
6/18/2010
6/19/2010
6/20/2010
6/21/2010
6/22/2010
6/23/2010
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
7/12/2010
7/13/2010
7/14/2010
7/15/2010
7/16/2010
7/17/2010
7/18/2010
7/19/2010
7/20/2010
7/21/2010
7/22/2010
7/23/2010
7/24/2010
7/25/2010
7/26/2010
7/27/2010
7/28/2010
7/29/2010
7/30/2010
7/31/2010
8/1/2010
8/2/2010
8/3/2010
8/4/2010
8/5/2010
8/6/2010
8/7/2010
8/8/2010
8/9/2010
8/10/2010
8/11/2010
8/12/2010 2.50
8/13/2010 0.26
8/14/2010
8/15/2010
8/16/2010
8/17/2010
8/18/2010
8/19/2010
8/20/2010
8/21/2010
8/22/2010
8/23/2010
8/24/2010
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
9/13/2010
9/14/2010
9/15/2010
9/16/2010
9/17/2010 0.31
9/18/2010
9/19/2010
9/20/2010
9/21/2010
9/22/2010
9/23/2010 0.75
9/24/2010
9/25/2010
9/26/2010
9/27/2010 0.38
9/28/2010 1.21
9/29/2010
9/30/2010 6.98



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/15/2009 7:00 AM 0.03 M M M M Just a small trace of rain
10/16/2009 7:00 AM 1.04 M M M M Mostly light rain all day, with a few heavy bursts mid morning
10/17/2009 7:00 AM 0.86 M M M M Very little rain during daytime, pretty steady rain after 11:00pm( approx .50 of rain fell after 11pm
10/18/2009 7:00 AM 1.30 M M M M once again, had about .40" inches of rain between 7am and 6pm,Then heavy rain through out night time. So from 6pm 10/17 thru 10/18 @ 7am we received the bulk of the rain,.90"inches
10/24/2009 7:00 AM 0.30 M M M M
10/25/2009 7:00 AM 0.63 M M M M steady rain between 4pm and 9pm
10/27/2009 7:00 AM 0.45 M M M M
10/28/2009 7:00 AM 1.62 M M M M Heaviest rain fell through out the night
11/11/2009 7:00 AM 0.11 M M M M light rain early A.M
11/12/2009 7:00 AM 0.51 M M M M Light rain through out past 24 hours
11/20/2009 7:00 AM 1.10 M M M M heavist rain occured between 9pm and 3am with alot of thunder and lighting
11/22/2009 7:00 AM 0.00 0.0 M M M heavy frost this AM Temp was 31.4 degrees
11/25/2009 7:00 AM 0.61 M M M M
11/27/2009 7:00 AM 0.32 M M M M this reading was taken over a 2 day period because of a slow drizzle
12/1/2009 7:00 AM 0.20 M M M M
12/3/2009 7:00 AM 1.29 M M M M Rain started around 1pm and ended around 4:30am, heavy rain after midnight. Rain ended with very hard gust of wind
12/26/2009 7:00 AM 1.58 M M M M light rain started around 1 pm on 12/25, ending around 8:30 pm on 12/26
12/27/2009 7:00 AM 0.64 M M M M Light steady rain through out day light hours
1/1/2010 7:00 AM 0.40 M M M M 3 tenths was snow which ended around 10am, then light rain and freezing through out the night
1/18/2010 7:00 AM 0.82 M M M M Rain started around 8am and ended with drizzle around 11:30pm
1/25/2010 7:00 AM 1.94 M M M M Drizzle started approx 10 am Sunday morning, Steady rain started around 2:30pm Sunday. Heavy rain off and on through out night, With some real heavy bursts early am on 1/25/10, then again right before noon
3/12/2010 7:00 AM 0.23 M M M M
3/13/2010 7:00 AM 0.52 M M M M
3/14/2010 7:00 AM 1.21 M M M M steady rain all day (13th)
3/29/2010 7:00 AM 0.92 M M M M heavy rain between 11:30pm and 1:00am
3/30/2010 7:00 AM 0.26 M M M M
3/31/2010 7:00 AM 0.43 M M M M
8/12/2010 8:00 AM 2.50 M M M M
8/13/2010 7:00 AM 0.26 M M M M
9/17/2010 7:00 AM 0.31 M M M M First measurable rain in at least 6 weeks
9/23/2010 7:00 AM 0.75 M M M M Thunderstorm moved through around 4:45 to 5:15 then again about 7:30 to 9:30
9/27/2010 7:00 AM 0.38 M M M M
9/28/2010 7:00 AM 1.21 M M M M heavy rain at different times through out the night
9/30/2010 4:00 PM 6.98 M M M M Not sure when rainfall began, Turned lights out around 10:15 pm @ 6:00am recorded 1.67 inches. Got home around 4:00 pm and had another 5.31 inches. Will record rainfall in AM for total amount for storm event



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