Station Overview Station Location
Station Number MD-CV-1 Latitude 38.741818
Station Name Marlton 6.0 E Longitude -76.680712
County Calvert Elevation (ft) 39



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 15 3.50 4.33 8 4.33 8 0.00 0 0 8 0 0.0 0 0
Nov 15 3.39 1.83 9 1.83 9 0.00 0 0 9 0 0.0 0 0
Dec 15 3.35 3.65 8 3.65 8 0.00 0 0 8 0 0.0 0 0
Jan 16 3.05 3.49 6 3.49 6 0.00 0 0 6 0 16.2 4 3
Feb 16 2.80 2.01 6 2.01 6 0.00 0 0 6 0 3.5 2 2
March 16 3.82 0.78 6 0.78 6 0.00 0 0 6 0 3.0 1 1
April 16 3.32 1.27 6 1.27 6 0.00 0 0 6 0 0.2 1 0
May 16 4.23 4.89 13 4.89 13 0.00 0 0 13 0 0.0 0 0
June 16 3.91 1.27 4 1.27 4 0.00 0 0 4 0 0.0 0 0
July 16 4.00 5.55 12 5.55 12 0.00 0 0 11 1 0.0 0 0
Aug 16 3.49 2.27 4 2.27 4 0.00 0 0 4 0 0.0 0 0
Sept 16 3.83 5.77 6 5.77 6 0.00 0 0 6 0 0.0 0 0
Water Year Totals: 42.69" 37.11" 88 days 37.11" 88 0.00" 0 days 0 87 days 1 days 22.9" 8 days 6 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
10/1/2015 0.05
10/2/2015 0.76
10/3/2015 1.30
10/4/2015
10/5/2015
10/6/2015
10/7/2015
10/8/2015
10/9/2015
10/10/2015 0.70
10/11/2015
10/12/2015
10/13/2015
10/14/2015 0.13
10/15/2015
10/16/2015
10/17/2015
10/18/2015
10/19/2015
10/20/2015
10/21/2015
10/22/2015
10/23/2015
10/24/2015
10/25/2015
10/26/2015 0.05
10/27/2015
10/28/2015 0.06
10/29/2015 1.28
10/30/2015
10/31/2015
11/1/2015
11/2/2015 0.01
11/3/2015
11/4/2015
11/5/2015 0.12
11/6/2015
11/7/2015
11/8/2015 0.14
11/9/2015
11/10/2015 0.76
11/11/2015 0.18
11/12/2015
11/13/2015
11/14/2015
11/15/2015
11/16/2015
11/17/2015
11/18/2015
11/19/2015 0.05
11/20/2015 0.37
11/21/2015
11/22/2015
11/23/2015
11/24/2015
11/25/2015
11/26/2015
11/27/2015
11/28/2015
11/29/2015 0.11
11/30/2015 0.09
12/1/2015 0.50
12/2/2015 0.65
12/3/2015 0.35
12/4/2015
12/5/2015
12/6/2015
12/7/2015
12/8/2015
12/9/2015
12/10/2015
12/11/2015
12/12/2015
12/13/2015
12/14/2015
12/15/2015 0.04
12/16/2015
12/17/2015
12/18/2015 0.31
12/19/2015
12/20/2015
12/21/2015
12/22/2015
12/23/2015
12/24/2015 1.59
12/25/2015
12/26/2015
12/27/2015
12/28/2015 0.10
12/29/2015
12/30/2015
12/31/2015 0.11
Day of YearDaily PrcpMultiday Prcp
1/1/2016
1/2/2016
1/3/2016
1/4/2016
1/5/2016
1/6/2016
1/7/2016
1/8/2016
1/9/2016
1/10/2016 0.81
1/11/2016
1/12/2016
1/13/2016
1/14/2016
1/15/2016
1/16/2016 0.54
1/17/2016
1/18/2016 0.07
1/19/2016
1/20/2016
1/21/2016 0.07
1/22/2016
1/23/2016 1.54
1/24/2016 0.46
1/25/2016
1/26/2016
1/27/2016
1/28/2016
1/29/2016
1/30/2016
1/31/2016
2/1/2016
2/2/2016 0.09
2/3/2016
2/4/2016 0.56
2/5/2016 0.17
2/6/2016
2/7/2016
2/8/2016
2/9/2016
2/10/2016
2/11/2016
2/12/2016
2/13/2016
2/14/2016
2/15/2016 0.17
2/16/2016 0.32
2/17/2016 0.70
2/18/2016
2/19/2016
2/20/2016
2/21/2016
2/22/2016
2/23/2016
2/24/2016
2/25/2016
2/26/2016
2/27/2016
2/28/2016
2/29/2016
3/1/2016
3/2/2016 0.06
3/3/2016
3/4/2016 0.19
3/5/2016
3/6/2016
3/7/2016
3/8/2016
3/9/2016
3/10/2016
3/11/2016
3/12/2016
3/13/2016
3/14/2016 0.14
3/15/2016
3/16/2016
3/17/2016
3/18/2016
3/19/2016
3/20/2016 0.08
3/21/2016 0.10
3/22/2016
3/23/2016
3/24/2016
3/25/2016
3/26/2016
3/27/2016
3/28/2016 0.21
3/29/2016
3/30/2016
3/31/2016
Day of YearDaily PrcpMultiday Prcp
4/1/2016
4/2/2016
4/3/2016
4/4/2016
4/5/2016
4/6/2016
4/7/2016
4/8/2016 0.50
4/9/2016 0.13
4/10/2016 0.24
4/11/2016
4/12/2016
4/13/2016 0.16
4/14/2016
4/15/2016
4/16/2016
4/17/2016
4/18/2016
4/19/2016
4/20/2016
4/21/2016
4/22/2016
4/23/2016
4/24/2016 0.04
4/25/2016
4/26/2016
4/27/2016
4/28/2016
4/29/2016 0.20
4/30/2016
5/1/2016 0.20
5/2/2016 0.67
5/3/2016 0.57
5/4/2016 0.12
5/5/2016
5/6/2016
5/7/2016
5/8/2016
5/9/2016
5/10/2016
5/11/2016 0.50
5/12/2016 0.07
5/13/2016
5/14/2016
5/15/2016 0.14
5/16/2016
5/17/2016
5/18/2016 0.53
5/19/2016
5/20/2016
5/21/2016 0.51
5/22/2016 0.71
5/23/2016 0.11
5/24/2016 0.29
5/25/2016
5/26/2016
5/27/2016
5/28/2016
5/29/2016
5/30/2016 0.47
5/31/2016
6/1/2016
6/2/2016
6/3/2016
6/4/2016
6/5/2016 0.07
6/6/2016 0.02
6/7/2016
6/8/2016
6/9/2016
6/10/2016
6/11/2016
6/12/2016
6/13/2016
6/14/2016
6/15/2016
6/16/2016
6/17/2016 0.56
6/18/2016
6/19/2016
6/20/2016
6/21/2016
6/22/2016 0.62
6/23/2016
6/24/2016
6/25/2016
6/26/2016
6/27/2016
6/28/2016
6/29/2016
6/30/2016
Day of YearDaily PrcpMultiday Prcp
7/1/2016
7/2/2016 1.92
7/3/2016
7/4/2016 0.05
7/5/2016 0.29
7/6/2016
7/7/2016
7/8/2016
7/9/2016 0.10
7/10/2016
7/11/2016
7/12/2016
7/13/2016 0.96
7/14/2016
7/15/2016
7/16/2016
7/17/2016
7/18/2016
7/19/2016 0.25
7/20/2016 0.57
7/21/2016
7/22/2016
7/23/2016
7/24/2016 0.05
7/25/2016 T
7/26/2016 0.37
7/27/2016
7/28/2016
7/29/2016 0.38
7/30/2016
7/31/2016 0.61
8/1/2016
8/2/2016 0.39
8/3/2016
8/4/2016
8/5/2016
8/6/2016
8/7/2016
8/8/2016
8/9/2016
8/10/2016
8/11/2016
8/12/2016
8/13/2016
8/14/2016
8/15/2016
8/16/2016 0.66
8/17/2016
8/18/2016 0.44
8/19/2016
8/20/2016
8/21/2016
8/22/2016 0.78
8/23/2016
8/24/2016
8/25/2016
8/26/2016
8/27/2016
8/28/2016
8/29/2016
8/30/2016
8/31/2016
9/1/2016
9/2/2016
9/3/2016
9/4/2016
9/5/2016
9/6/2016
9/7/2016
9/8/2016 0.10
9/9/2016
9/10/2016
9/11/2016
9/12/2016
9/13/2016
9/14/2016
9/15/2016
9/16/2016
9/17/2016
9/18/2016
9/19/2016 0.78
9/20/2016 0.89
9/21/2016
9/22/2016
9/23/2016
9/24/2016
9/25/2016
9/26/2016
9/27/2016 0.65
9/28/2016
9/29/2016 2.25
9/30/2016 1.10



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2015 7:00 AM 0.05 M M M M Ocnl RW-/L-.
10/2/2015 7:45 AM 0.76 M M M M Mrng R-. Aftn/eve L-. R-/R Overnight into Fri. mrng.
10/3/2015 7:00 AM 1.30 M M M M Persistent R- Ocnly R.
10/10/2015 7:00 AM 0.70 M M M M Eve TRW+. 2.89" MTD. Impressive T-storm by Oct. standards!
10/14/2015 7:00 AM 0.13 M M M M Late day/early eve RW/RW-. 3.02" MTD.
10/26/2015 7:00 AM 0.05 M M M M Sun mrng R-. 3.07" MTD.
10/28/2015 7:00 AM 0.06 M M M M Sporadic R-- sprinkles Tue. Period of overnight R-.
10/29/2015 7:00 AM 1.28 M M M M 0.65" Ocnl RW- Mrng/aftn/eve. 0.63" early overnight. 1.34" Event total. 4.41" MTD.
11/2/2015 7:00 AM 0.01 M M M M Sun. mrng R-.
11/5/2015 7:00 AM 0.12 M M M M Ocnl overnight R-.
11/8/2015 7:00 AM 0.14 M M M M R- Mrng/early aftn. 0.28" MTD.
11/10/2015 7:00 AM 0.76 M M M M R-/R Late day thru overnight tapering off to R-/L- by morning.
11/11/2015 7:00 AM 0.18 M M M M Persistent R-/L- mrng til eve. 0.94" Event total. 1.22" MTD.
11/19/2015 8:00 AM 0.05 M M M M Late night/early mrng RW-.
11/20/2015 7:00 AM 0.37 M M M M Persistent R-/L- mrng til eve. 0.42" Event total. 1.64" MTD.
11/29/2015 8:00 AM 0.11 M M M M L- Developing overnight increasing to R- by mrng.
11/30/2015 7:00 AM 0.09 M M M M Sun. mrng R-.
12/1/2015 7:00 AM 0.50 M M M M Persistent R-/L- increasing to R- late night into mrng. 2.06" Nov. total precip.
12/2/2015 7:00 AM 0.65 M M M M 0.62" R-/R Tue mrng/early aftn. .03" RW- Late overnight.
12/3/2015 7:00 AM 0.35 M M M M R-/R Wed. mrng/early aftn. Ocnl L-/RW- thru early eve. 1.70" Event total.
12/15/2015 7:00 AM 0.04 M M M M Late day/early eve RW-. 1.35" MTD.
12/18/2015 7:00 AM 0.31 M M M M R- Mrng/aftn. 1.66" MTD.
12/24/2015 7:00 AM 1.59 0.0 M M M R-/R Mrng into aftn. Embedded RW+ late day/eve. 1.90" Event total thus far. 3.56" MTD.
12/28/2015 7:00 AM 0.10 M M M M Eve RW-. 4.09" MTD.
12/31/2015 7:00 AM 0.11 M M M M Persistent L- late day thru eve. 4.53" Dec. total. 42.94" total annual precip.
1/10/2016 7:00 AM 0.81 M M M M R-/R Eve into overnight.
1/16/2016 7:00 AM 0.54 M M M M Eve R-/R. 1.35" MTD.
1/18/2016 7:00 AM 0.07 0.2 M 0.0 M Mrng/early aftn S-. 1.42" LWE MTD.
1/21/2016 7:00 AM 0.07 1.0 M 1.0 M S-/S Eve/early overnight. Enough to make roads treacherous!
1/23/2016 8:00 AM 1.54 11.0 M 11.0 M S- Dvlpng early aftn ocnly S then briefly S+ before IP developed around midnight. Mixture of S/IP til about 4 a.m. then S-. Some drifting of snow.
1/24/2016 7:00 AM 0.46 4.0 M 15.0 M S- most of day. Dry slotted! 15.0" Total snow. 2.00" Total LWE.
2/2/2016 7:00 AM 0.09 M M M M R- Late aftn/early eve. Snow nearly all gone...alas!
2/4/2016 7:00 AM 0.56 M M M M R-/R Aftn/early eve briefly RW+ mid aftn. 0.65" MTD. Snow all gone now due to high Td's...boohoo!
2/5/2016 7:00 AM 0.17 T M 0.0 M Eve R- mixed with IP- despite 44F temp gradually morphing into S- by middle of night but temp only got down to 35F and nothing stuck. 0.82" MTD.
2/15/2016 7:00 AM 0.17 2.2 M 2.2 M S- Developed shortly before midnight and continued into mrng.
2/16/2016 7:00 AM 0.32 1.3 M 3.0 M Mrng S-. Ocnl aftn/eve ZR-/ZL-. Heavy rain band now approaching. 3.5" Total snowfall. 0.49" LWE thus far this event.
2/17/2016 7:00 AM 0.70 0.0 M 0.0 M Mrng R briefly RW+ tapering off to R- before ending early aftn. Heavy mild rain devoured 3" of snow in just a few hrs!
3/2/2016 7:00 AM 0.06 M M M M R- Overnight.
3/4/2016 7:00 AM 0.19 3.0 M 3.0 M S- Developed eve becoming S at times overnight before tapering off before dawn. Big fluffy flakes!
3/14/2016 7:00 AM 0.14 M M M M Sporadic aftn RW--. Ocnl R- eve into overnight. 0.33" MTD.
3/20/2016 7:00 AM 0.08 M M M M Ocnl aftn/eve R-. Only 0.41" LWE MTD...so much for El Nino!
3/21/2016 7:00 AM 0.10 M M M M Ocnl aft/eve R- becoming R-/S- before ending early overnight. 0.18" Event otal. Only 0.51" LWE MTD.
3/28/2016 8:00 AM 0.21 M M M M .T Persistent L-- aftn/eve. R- Developing early overnight and continuing into early mrng. 0.72" LWE MTD.
4/8/2016 7:00 AM 0.50 M M M M Mrng R-/R. Aftn RW. 0.79" MTD.
4/9/2016 7:00 AM 0.13 M M M M Late night/early mrng R-.
4/10/2016 7:00 AM 0.24 0.2 M 0.0 M Mrng R-/R switched over to S @10:30 a.m. Briefly S+ w/ "silver dollar" flakes...yeah!!! Snow tapered off by early aftn. 0.37" Event total. 1.16" LWE MTD.
4/13/2016 7:00 AM 0.16 M M M M Mrng R-. 1.33" MTD.
4/24/2016 7:00 AM 0.04 M M M M Late mrng/early aftn R-. 1.37" MTD. Only 2.09" LWE in the past 2 months!
4/29/2016 7:00 AM 0.20 M M M M R-/L-. Only 1.59" LWE in April and 2.31" for Mar.-Apr.
5/1/2016 7:30 AM 0.20 M M M M R- developed late eve and continued overnight into early mrng.
5/2/2016 7:00 AM 0.67 M M M M 0.51" R-/R Mrng into early aftn. 0.16" TRW overnight.
5/3/2016 7:00 AM 0.57 M M M M 0.39" Eve TRW+. 0.18" Ocnl overnight RW-.
5/4/2016 7:00 AM 0.12 M M M M 0.11" Late day RW. 0.01" Ocnl overnight RW-. 1.53" MTD. 8th consecutive day w/ measurable rainfall!
5/11/2016 7:00 AM 0.50 M M M M .04" Mrng RW-. 0.46" Early overnight TRW+ then RW-. 3.18" MTD. 15 Days in a row w/ rain!
5/12/2016 7:00 AM 0.07 M M M M Mrng/aftn RW-/R-. 3.45" MTD.
5/15/2016 7:00 AM 0.14 M M M M Late day RW- briefly RW. Gusty winds. 3.64" MTD.
5/18/2016 7:00 AM 0.53 M M M M R-/R Mrng/aftn tapering off to R-/L- by eve. 4.17" MTD.
5/21/2016 8:15 AM 0.51 M M M M R- Developing late overnight becoming R early mrng.
5/22/2016 7:00 AM 0.71 M M M M R Mrng tapering off to R-/L- aftn/eve then just L- overnight. Event total 1.30" thus far.
5/23/2016 7:00 AM 0.11 M M M M Ocnl R-/L-. 1.41" Event total thus far. 5.56" MTD.
5/24/2016 7:00 AM 0.29 M M M M Late day TRW. Ocnl eve/early overnight RW-. 1.70" Event total. 5.85" MTD.
5/30/2016 7:00 AM 0.47 M M M M Late aftn/eve R-/R. Brief RW- early overnight. 6.34" MTD./
6/5/2016 7:00 AM 0.07 M M M M Overnight R-.
6/6/2016 7:00 AM 0.02 M M M M Late day TRW-. Most everything went N or S. Only .09" MTD.
6/17/2016 8:00 AM 0.56 M M M M 0.47" Late eve TRW. 0.09" Early mrng RW-. 0.65" MTD.
6/22/2016 7:00 AM 0.62 M M M M 0.46" Mid aftn TRW+. 0.16" Late day TRW. 1.27" MTD.
7/2/2016 7:00 AM 1.92 M M M M Early and late eve TRW+'s, the 2nd w/ frequent intense lightning! Welcome rain after just 2.37" for all of June!
7/4/2016 7:00 AM 0.05 M M M M Ocnl aftn (.03") and overnight (.02") RW-. 2.23" MTD. Delightful cool fall-like Wx!
7/5/2016 7:00 AM 0.29 M M M M 0.21" Aftn R- briefly R. .08" Late overnight R-.
7/9/2016 7:00 AM 0.10 M M M M Late aftn TRW-. Heavier to both N and S! 2.62" MTD.
7/13/2016 7:00 AM 0.96 M M M M Early overnight TRW++. 3.58" MTD.
7/19/2016 7:00 AM 0.25 M M M M Late aftn TRW+. Wind gusts E50-60mph! 3.91" MTD.
7/20/2016 7:00 AM 0.57 M M M M Late eve/early overnight TRW+ w/ gusty winds and vivid lightning. 4.58" MTD.
7/24/2016 7:00 AM 0.05 M M M M Eve RW- developed just upstream after late day TRW passed to NE. 4.53" MTD.
7/25/2016 7:00 AM T M M M M TRW- Developed just after midnight. Incredible light show to NE w/ several intense LCG strokes apparently striking the same target (Deale?) in just a minute or so!
7/26/2016 7:00 AM 0.37 M M M M Late eve TRW+. 4.90" MTD.
7/29/2016 7:00 AM 0.38 M M M M Ocnl eve/overnight TRW. 5.31" MTD.
7/31/2016 7:00 AM 0.61 M M M M 0.18" Ocnl aftn RW. 0.43" Eve TRW+. 5.92" July precip total.
8/2/2016 7:00 AM 0.39 M M M M Late day RW+.
8/16/2016 7:00 AM 0.66 M M M M Eve TRW. First measurable rain in 2 weeks! 1.05" MTD.
8/18/2016 7:00 AM 0.44 M M M M Eve TRW+. Early overnite RW-. 1.49" MTD.
8/22/2016 7:00 AM 0.78 M M M M .20" Late mrng RW. .58" Late aftn TRW+. 2.27" MTD.
9/8/2016 7:00 AM 0.10 M M M M Early overnight TRW/RW-. First rain in 17 days!
9/19/2016 7:00 AM 0.78 M M M M Late night TRW+ briefly TRW++! Early mtng RW-.
9/20/2016 7:00 AM 0.89 M M M M Mrng/aftn R-/R. 1.67" Event total. 1.77" MTD.
9/27/2016 7:00 AM 0.65 M M M M .07" Eve RW-. 0.58" Overnight R-/R briefly R+. 2.42" MTD.
9/29/2016 8:00 AM 2.25 M M M M Mrng RW. Eve TRW. Steady R overnight.
9/30/2016 7:00 AM 1.10 0.0 M M M Mrng R-/R then persistent R-/L- ocnly R early overnight. 3.35" Event total thus far.



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