Station Overview Station Location
Station Number MD-HR-4 Latitude 39.57215
Station Name Havre De Grace 4.0 WNW Longitude -76.16578
County Harford Elevation (ft) 410



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 17 3.77 4.43 31 4.43 31 0.00 0 0 11 0 0.0 0 0
Nov 17 3.53 1.46 30 1.46 30 0.00 0 0 6 0 0.0 0 0
Dec 17 3.67 1.33 31 1.33 31 0.00 0 0 8 0 0.0 0 0
Jan 18 3.40 2.37 31 2.37 31 0.00 0 0 10 0 0.0 0 0
Feb 18 2.79 3.37 28 3.37 28 0.00 0 0 13 0 0.0 0 0
March 18 4.00 3.43 31 3.43 30 0.00 1 0 7 2 0.0 0 0
April 18 3.65 2.70 22 0.07 3 2.63 19 2 1 0 0.0 0 0
May 18 4.15 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 18 3.91 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
July 18 4.39 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 18 3.72 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 18 4.35 2.58 8 1.52 6 1.06 2 1 5 0 0.0 0 0
Water Year Totals: 45.33" 21.67" 212 days 17.98" 190 3.69" 22 days 3 61 days 2 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
10/1/2017 0.00
10/2/2017 0.00
10/3/2017 0.00
10/4/2017 0.00
10/5/2017 0.00
10/6/2017 0.00
10/7/2017 0.00
10/8/2017 0.00
10/9/2017 1.25
10/10/2017 0.00
10/11/2017 0.04
10/12/2017 0.52
10/13/2017 0.00
10/14/2017 0.05
10/15/2017 0.02
10/16/2017 0.06
10/17/2017 0.04
10/18/2017 0.00
10/19/2017 0.00
10/20/2017 0.00
10/21/2017 0.00
10/22/2017 0.00
10/23/2017 0.00
10/24/2017 0.19
10/25/2017 0.04
10/26/2017 0.00
10/27/2017 0.00
10/28/2017 0.00
10/29/2017 0.74
10/30/2017 1.48
10/31/2017 0.00
11/1/2017 0.00
11/2/2017 0.00
11/3/2017 0.00
11/4/2017 0.00
11/5/2017 0.34
11/6/2017 0.00
11/7/2017 0.01
11/8/2017 0.62
11/9/2017 0.00
11/10/2017 0.00
11/11/2017 0.00
11/12/2017 0.00
11/13/2017 0.14
11/14/2017 0.01
11/15/2017 0.00
11/16/2017 0.00
11/17/2017 0.00
11/18/2017 0.00
11/19/2017 0.34
11/20/2017 0.00
11/21/2017 0.00
11/22/2017 0.00
11/23/2017 0.00
11/24/2017 0.00
11/25/2017 0.00
11/26/2017 0.00
11/27/2017 0.00
11/28/2017 0.00
11/29/2017 0.00
11/30/2017 0.00
12/1/2017 0.00
12/2/2017 0.00
12/3/2017 0.00
12/4/2017 0.00
12/5/2017 0.00
12/6/2017 0.22
12/7/2017 0.00
12/8/2017 0.00
12/9/2017 0.00
12/10/2017 0.21
12/11/2017 0.00
12/12/2017 0.00
12/13/2017 0.00
12/14/2017 0.07
12/15/2017 0.00
12/16/2017 0.15
12/17/2017 0.00
12/18/2017 0.00
12/19/2017 0.00
12/20/2017 0.00
12/21/2017 0.00
12/22/2017 0.00
12/23/2017 0.23
12/24/2017 0.32
12/25/2017 0.11
12/26/2017 0.00
12/27/2017 0.00
12/28/2017 0.00
12/29/2017 0.00
12/30/2017 0.02
12/31/2017 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2018 0.00
1/2/2018 0.00
1/3/2018 0.00
1/4/2018 0.03
1/5/2018 0.00
1/6/2018 0.00
1/7/2018 0.00
1/8/2018 0.00
1/9/2018 0.05
1/10/2018 0.00
1/11/2018 0.00
1/12/2018 0.81
1/13/2018 0.90
1/14/2018 0.00
1/15/2018 0.00
1/16/2018 0.01
1/17/2018 0.05
1/18/2018 0.00
1/19/2018 0.00
1/20/2018 0.00
1/21/2018 0.00
1/22/2018 0.00
1/23/2018 0.23
1/24/2018 0.24
1/25/2018 0.00
1/26/2018 0.00
1/27/2018 0.00
1/28/2018 0.04
1/29/2018 0.01
1/30/2018 0.00
1/31/2018 0.00
2/1/2018 0.00
2/2/2018 0.00
2/3/2018 0.00
2/4/2018 0.08
2/5/2018 1.26
2/6/2018 0.00
2/7/2018 0.23
2/8/2018 0.34
2/9/2018 0.00
2/10/2018 0.00
2/11/2018 0.00
2/12/2018 0.00
2/13/2018 0.00
2/14/2018 0.00
2/15/2018 0.05
2/16/2018 0.26
2/17/2018 0.00
2/18/2018 0.00
2/19/2018 0.32
2/20/2018 0.02
2/21/2018 0.00
2/22/2018 0.05
2/23/2018 0.38
2/24/2018 0.03
2/25/2018 0.34
2/26/2018 0.00
2/27/2018 0.01
2/28/2018 0.00
3/1/2018 0.00
3/2/2018 1.10
3/3/2018 0.00
3/4/2018 0.00
3/5/2018 0.00
3/6/2018 0.00
3/7/2018 0.80
3/8/2018 0.00
3/9/2018 0.00
3/10/2018 0.00
3/11/2018 0.00
3/12/2018 0.00
3/13/2018 0.04
3/14/2018 0.00
3/15/2018 0.00
3/16/2018 0.00
3/17/2018 0.00
3/18/2018 0.00
3/19/2018 0.00
3/20/2018 0.03
3/21/2018 0.61
3/22/2018 0.69
3/23/2018 0.00
3/24/2018 0.00
3/25/2018 T
3/26/2018 T
3/27/2018 0.00
3/28/2018 0.00
3/29/2018 0.00
3/30/2018 0.16
3/31/2018 **
Day of YearDaily PrcpMultiday Prcp
4/1/2018 **
4/2/2018 0.63
4/3/2018 0.00
4/4/2018 0.00
4/5/2018 0.07
4/6/2018 **
4/7/2018 **
4/8/2018 **
4/9/2018 **
4/10/2018 **
4/11/2018 **
4/12/2018 **
4/13/2018 **
4/14/2018 **
4/15/2018 **
4/16/2018 **
4/17/2018 **
4/18/2018 **
4/19/2018 **
4/20/2018 **
4/21/2018 **
4/22/2018 2.00
4/23/2018
4/24/2018
4/25/2018
4/26/2018
4/27/2018
4/28/2018
4/29/2018
4/30/2018
5/1/2018
5/2/2018
5/3/2018
5/4/2018
5/5/2018
5/6/2018
5/7/2018
5/8/2018
5/9/2018
5/10/2018
5/11/2018
5/12/2018
5/13/2018
5/14/2018
5/15/2018
5/16/2018
5/17/2018
5/18/2018
5/19/2018
5/20/2018
5/21/2018
5/22/2018
5/23/2018
5/24/2018
5/25/2018
5/26/2018
5/27/2018
5/28/2018
5/29/2018
5/30/2018
5/31/2018
6/1/2018
6/2/2018
6/3/2018
6/4/2018
6/5/2018
6/6/2018
6/7/2018
6/8/2018
6/9/2018
6/10/2018
6/11/2018
6/12/2018
6/13/2018
6/14/2018
6/15/2018
6/16/2018
6/17/2018
6/18/2018
6/19/2018
6/20/2018
6/21/2018
6/22/2018
6/23/2018
6/24/2018
6/25/2018
6/26/2018
6/27/2018
6/28/2018
6/29/2018
6/30/2018
Day of YearDaily PrcpMultiday Prcp
7/1/2018
7/2/2018
7/3/2018
7/4/2018
7/5/2018
7/6/2018
7/7/2018
7/8/2018
7/9/2018
7/10/2018
7/11/2018
7/12/2018
7/13/2018
7/14/2018
7/15/2018
7/16/2018
7/17/2018
7/18/2018
7/19/2018
7/20/2018
7/21/2018
7/22/2018
7/23/2018
7/24/2018
7/25/2018
7/26/2018
7/27/2018
7/28/2018
7/29/2018
7/30/2018
7/31/2018
8/1/2018
8/2/2018
8/3/2018
8/4/2018
8/5/2018
8/6/2018
8/7/2018
8/8/2018
8/9/2018
8/10/2018
8/11/2018
8/12/2018
8/13/2018
8/14/2018
8/15/2018
8/16/2018
8/17/2018
8/18/2018
8/19/2018
8/20/2018
8/21/2018
8/22/2018
8/23/2018
8/24/2018
8/25/2018
8/26/2018
8/27/2018
8/28/2018
8/29/2018
8/30/2018
8/31/2018
9/1/2018
9/2/2018
9/3/2018
9/4/2018
9/5/2018
9/6/2018
9/7/2018
9/8/2018
9/9/2018
9/10/2018
9/11/2018
9/12/2018
9/13/2018
9/14/2018
9/15/2018
9/16/2018
9/17/2018
9/18/2018
9/19/2018
9/20/2018
9/21/2018
9/22/2018
9/23/2018 **
9/24/2018 1.06
9/25/2018 0.36
9/26/2018 0.18
9/27/2018 0.15
9/28/2018 0.82
9/29/2018 0.01
9/30/2018 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2017 10:00 AM 0.00 0.0 M M M
10/2/2017 10:00 AM 0.00 0.0 M M M
10/3/2017 10:00 AM 0.00 0.0 M M M
10/4/2017 10:00 AM 0.00 0.0 M M M
10/5/2017 10:00 AM 0.00 0.0 M M M
10/6/2017 10:00 AM 0.00 0.0 M M M
10/7/2017 10:00 AM 0.00 0.0 M M M
10/8/2017 10:00 AM 0.00 0.0 M M M
10/9/2017 10:00 AM 1.25 M M M M
10/10/2017 10:00 AM 0.00 0.0 M M M
10/11/2017 10:00 AM 0.04 M M M M
10/12/2017 10:00 AM 0.52 M M M M
10/13/2017 10:00 AM 0.00 0.0 M M M
10/14/2017 10:00 AM 0.05 M M M M
10/15/2017 10:00 AM 0.02 M M M M
10/16/2017 10:00 AM 0.06 M M M M
10/17/2017 10:00 AM 0.04 M M M M
10/18/2017 10:00 AM 0.00 0.0 M M M
10/19/2017 10:00 AM 0.00 0.0 M M M
10/20/2017 10:00 AM 0.00 0.0 M M M
10/21/2017 10:00 AM 0.00 0.0 M M M
10/22/2017 10:00 AM 0.00 0.0 M M M
10/23/2017 10:00 AM 0.00 0.0 M M M
10/24/2017 10:00 AM 0.19 M M M M
10/25/2017 10:00 AM 0.04 M M M M
10/26/2017 10:00 AM 0.00 0.0 M M M
10/27/2017 10:00 AM 0.00 0.0 M M M
10/28/2017 10:00 AM 0.00 0.0 M M M
10/29/2017 10:00 AM 0.74 M M M M
10/30/2017 10:00 AM 1.48 M M M M
10/31/2017 10:00 AM 0.00 0.0 M M M
11/1/2017 10:00 AM 0.00 0.0 M M M
11/2/2017 10:00 AM 0.00 0.0 M M M
11/3/2017 10:00 AM 0.00 0.0 M M M
11/4/2017 10:00 AM 0.00 0.0 M M M
11/5/2017 10:00 AM 0.34 M M M M
11/6/2017 10:00 AM 0.00 0.0 M M M
11/7/2017 10:00 AM 0.01 M M M M
11/8/2017 10:00 AM 0.62 M M M M
11/9/2017 10:00 AM 0.00 0.0 M M M
11/10/2017 10:00 AM 0.00 0.0 M M M
11/11/2017 10:00 AM 0.00 0.0 M M M
11/12/2017 10:00 AM 0.00 0.0 M M M
11/13/2017 10:00 AM 0.14 M M M M
11/14/2017 10:00 AM 0.01 M M M M
11/15/2017 10:00 AM 0.00 0.0 M M M
11/16/2017 10:00 AM 0.00 0.0 M M M
11/17/2017 10:00 AM 0.00 0.0 M M M
11/18/2017 10:00 AM 0.00 0.0 M M M
11/19/2017 10:00 AM 0.34 M M M M
11/20/2017 10:00 AM 0.00 0.0 M M M
11/21/2017 10:00 AM 0.00 0.0 M M M
11/22/2017 10:00 AM 0.00 0.0 M M M
11/23/2017 10:00 AM 0.00 0.0 M M M
11/24/2017 10:00 AM 0.00 0.0 M M M
11/25/2017 10:00 AM 0.00 0.0 M M M
11/26/2017 10:00 AM 0.00 0.0 M M M
11/27/2017 10:00 AM 0.00 0.0 M M M
11/28/2017 10:00 AM 0.00 0.0 M M M
11/29/2017 10:00 AM 0.00 0.0 M M M
11/30/2017 10:00 AM 0.00 0.0 M M M
12/1/2017 10:00 AM 0.00 0.0 M M M
12/2/2017 10:00 AM 0.00 0.0 M M M
12/3/2017 10:00 AM 0.00 0.0 M M M
12/4/2017 10:00 AM 0.00 0.0 M M M
12/5/2017 10:00 AM 0.00 0.0 M M M
12/6/2017 10:00 AM 0.22 M M M M
12/7/2017 10:00 AM 0.00 0.0 M M M
12/8/2017 10:00 AM 0.00 0.0 M M M
12/9/2017 10:00 AM 0.00 0.0 M M M
12/10/2017 10:00 AM 0.21 M M M M
12/11/2017 10:00 AM 0.00 0.0 M M M
12/12/2017 10:00 AM 0.00 0.0 M M M
12/13/2017 10:00 AM 0.00 0.0 M M M
12/14/2017 10:00 AM 0.07 M M M M
12/15/2017 10:00 AM 0.00 0.0 M M M
12/16/2017 10:00 AM 0.15 M M M M Snow melt.
12/17/2017 10:00 AM 0.00 0.0 M M M
12/18/2017 10:00 AM 0.00 0.0 M M M
12/19/2017 10:00 AM 0.00 0.0 M M M
12/20/2017 10:00 AM 0.00 0.0 M M M
12/21/2017 10:00 AM 0.00 0.0 M M M
12/22/2017 10:00 AM 0.00 0.0 M M M
12/23/2017 10:00 AM 0.23 M M M M
12/24/2017 10:00 AM 0.32 M M M M
12/25/2017 10:00 AM 0.11 M M M M
12/26/2017 10:00 AM 0.00 0.0 M M M
12/27/2017 10:00 AM 0.00 0.0 M M M
12/28/2017 10:00 AM 0.00 0.0 M M M
12/29/2017 10:00 AM 0.00 0.0 M M M
12/30/2017 10:00 AM 0.02 M M M M Snow melt.
12/31/2017 10:00 AM 0.00 0.0 M M M
1/1/2018 10:00 AM 0.00 0.0 M M M
1/2/2018 10:00 AM 0.00 0.0 M M M
1/3/2018 10:00 AM 0.00 0.0 M M M
1/4/2018 10:00 AM 0.03 M M M M High strong winds with snow. Several cores were gathered from the snow that collected in the grass and then averaged. The strong winds did not allow for snow to collect in the gauge as the snowfall was literally near horizontal to the ground.
1/5/2018 10:00 AM 0.00 0.0 M M M
1/6/2018 10:00 AM 0.00 0.0 M M M
1/7/2018 10:00 AM 0.00 0.0 M M M
1/8/2018 10:00 AM 0.00 0.0 M M M
1/9/2018 10:00 AM 0.05 M M M M
1/10/2018 10:00 AM 0.00 0.0 M M M
1/11/2018 10:00 AM 0.00 0.0 M M M
1/12/2018 10:00 AM 0.81 M M M M
1/13/2018 10:00 AM 0.90 M M M M
1/14/2018 10:00 AM 0.00 0.0 M M M
1/15/2018 10:00 AM 0.00 0.0 M M M
1/16/2018 10:00 AM 0.01 M M M M
1/17/2018 10:00 AM 0.05 M M M M The reported amount was from the melted snow that collected in the funnel of the gauge. Conditions were not windy during the night snowfall; however, into the morning hours windy conditions prevailed thus a core sample was not collected.
1/18/2018 10:00 AM 0.00 0.0 M M M
1/19/2018 10:00 AM 0.00 0.0 M M M
1/20/2018 10:00 AM 0.00 0.0 M M M
1/21/2018 10:00 AM 0.00 0.0 M M M
1/22/2018 10:00 AM 0.00 0.0 M M M
1/23/2018 10:00 AM 0.23 M M M M
1/24/2018 10:00 AM 0.24 M M M M
1/25/2018 10:00 AM 0.00 0.0 M M M
1/26/2018 10:00 AM 0.00 0.0 M M M
1/27/2018 10:00 AM 0.00 0.0 M M M
1/28/2018 10:00 AM 0.04 M M M M
1/29/2018 10:00 AM 0.01 M M M M
1/30/2018 10:00 AM 0.00 0.0 M M M
1/31/2018 10:00 AM 0.00 0.0 M M M
2/1/2018 10:00 AM 0.00 0.0 M M M
2/2/2018 10:00 AM 0.00 0.0 M M M
2/3/2018 10:00 AM 0.00 0.0 M M M
2/4/2018 10:00 AM 0.08 M M M M
2/5/2018 10:00 AM 1.26 M M M M
2/6/2018 10:00 AM 0.00 0.0 M M M
2/7/2018 10:00 AM 0.23 M M M M
2/8/2018 10:00 AM 0.34 M M M M
2/9/2018 10:00 AM 0.00 0.0 M M M
2/10/2018 10:00 AM 0.00 0.0 M M M
2/11/2018 10:00 AM 0.00 0.0 M M M
2/12/2018 10:00 AM 0.00 0.0 M M M
2/13/2018 10:00 AM 0.00 0.0 M M M
2/14/2018 10:00 AM 0.00 0.0 M M M
2/15/2018 10:00 AM 0.05 M M M M
2/16/2018 10:00 AM 0.26 M M M M
2/17/2018 10:00 AM 0.00 0.0 M M M
2/18/2018 10:00 AM 0.00 0.0 M M M
2/19/2018 10:00 AM 0.32 M M M M
2/20/2018 10:00 AM 0.02 M M M M
2/21/2018 10:00 AM 0.00 0.0 M M M
2/22/2018 10:00 AM 0.05 M M M M
2/23/2018 10:00 AM 0.38 M M M M
2/24/2018 10:00 AM 0.03 M M M M
2/25/2018 10:00 AM 0.34 M M M M
2/26/2018 10:00 AM 0.00 0.0 M M M
2/27/2018 10:00 AM 0.01 M M M M
2/28/2018 10:00 AM 0.00 0.0 M M M
3/1/2018 10:00 AM 0.00 0.0 M M M
3/2/2018 10:00 AM 1.10 M M M M
3/3/2018 10:00 AM 0.00 0.0 M M M
3/4/2018 10:00 AM 0.00 0.0 M M M
3/5/2018 10:00 AM 0.00 0.0 M M M
3/6/2018 10:00 AM 0.00 0.0 M M M
3/7/2018 10:00 AM 0.80 M M M M This was the average of three cores of snow taken from three different locations on my property.
3/8/2018 10:00 AM 0.00 0.0 M M M
3/9/2018 10:00 AM 0.00 0.0 M M M
3/10/2018 10:00 AM 0.00 0.0 M M M
3/11/2018 10:00 AM 0.00 0.0 M M M
3/12/2018 10:00 AM 0.00 0.0 M M M
3/13/2018 10:00 AM 0.04 M M M M
3/14/2018 10:00 AM 0.00 0.0 M M M
3/15/2018 10:00 AM 0.00 0.0 M M M
3/16/2018 10:00 AM 0.00 0.0 M M M
3/17/2018 10:00 AM 0.00 0.0 M M M
3/18/2018 10:00 AM 0.00 0.0 M M M
3/19/2018 10:00 AM 0.00 0.0 M M M
3/20/2018 10:00 AM 0.03 M M M M
3/21/2018 10:00 AM 0.61 M M M M
3/22/2018 10:00 AM 0.69 M M M M This was a difficult storm to get a measurement on. I only got 0.35 of snow melt from the cylinder, which I don't believe is correct base on the amount of snow fall. My measurement was obtained by taking 4 cores of snow from 4 different location on my property and taking the average. I believe this to be the best number.
3/23/2018 10:00 AM 0.00 0.0 M M M
3/24/2018 10:00 AM 0.00 0.0 M M M
3/25/2018 10:00 AM T M M M M Snow flurries that did not amount to anything that registered.
3/26/2018 10:00 AM T M M M M
3/27/2018 10:00 AM 0.00 0.0 M M M
3/28/2018 10:00 AM 0.00 0.0 M M M
3/29/2018 10:00 AM 0.00 0.0 M M M
3/30/2018 10:00 AM 0.16 M M M M
4/3/2018 10:00 AM 0.00 0.0 M M M
4/4/2018 10:00 AM 0.00 0.0 M M M
4/5/2018 10:00 AM 0.07 M M M M
9/25/2018 10:00 AM 0.36 M M M M
9/26/2018 10:00 AM 0.18 M M M M
9/27/2018 10:00 AM 0.15 M M M M
9/28/2018 10:00 AM 0.82 M M M M
9/29/2018 10:00 AM 0.01 M M M M
9/30/2018 10:00 AM 0.00 0.0 M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
3/31/2018 4/02/2018 10:00 AM 3 0.63 M M
4/6/2018 4/22/2018 10:00 AM 17 2.00 M M
9/23/2018 9/24/2018 10:00 AM 2 1.06 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