Maryland And Delaware. -- Streamflow increased throughout the entire bi-state area. In Western Maryland and on the upper Potomac River, streamflow increased, and moved from the below-normal range into the normal range. In Central Maryland, flows increased, and remained in the normal range. On the lower Potomac River, flows increased, and moved from the below-normal into the normal range. On the Eastern Shore, streamflow increased, and remained in the normal range.
Contents of the Baltimore reservoir system increased, and near month's end were 87 percent of average and 94 percent of last year. End of month contents = 65,750 million gallons.
Ground-water levels increased throughout the entire bi-state area. In western Maryland, ground water levels rose, and moved from the below-normal range into the above-normal range. In west central Maryland, ground water levels increased, and remain in the below-normal range. In central Maryland, water levels increased, and moved from the below-normal range into the above-normal range. On the Eastern Shore, water levels rose, and remained in the below-normal range.
[% = percent; ft³ = cubic feet per second; in. = inches;
Med. = median; Max. = maximum; Min. = minimum; Date = day of month]
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Mean discharge Cumulative runoff
-------------- -----------------------------------
% % Max.
of Runoff of Departure Min. Date
Station name (ft³) Med. (in.) (in.) Med. (in.) (ft³)
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Potomac R at 5050 101 1.75 3.62 65 -1.95 23800 20
Paw Paw, W.Va. 882 9
Seneca Cr at 150 127 1.60 5.93 117 +0.86 742 19
Dawsonville, Md. 65 3
Potomac R near 14100 88 1.32 3.88 81 -0.92 58900 21
Washington, D.C.(1) 3220 1
Choptank R near 248 139 2.36 6.84 103 +0.17 784 20
Greensboro, Md. 126 7
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(1) Includes diversions for water supply
* Above normal
# Below normal
[Date = month & day]
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Station Feet below land surface datum
------------------------- ----------------------------------------
Number Name Date Level Date Level
------------------------- ----------------------------------------
GA-Bc 1 Accident 01-28 14.95 02-28 8.23
WA-Be 2 Fort Frederick 01-28 34.72 02-28 32.59
MO-Eh 20 Fairland 01-28 12.98 02-28 11.04
Jd 42-03 Camden 01-28 7.96 02-28 7.01
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[ft = feet]
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Water level change (ft) from Last reversal
Water ---------------------------- ----------------------
Name level Average Last Last (ft) Month Year
(Date) (ft) Month Year
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Accident 8.23 +1.60 +6.72 +4.83 +6.72 02 2000
(February 28, 2000)
Ft. Frederick 32.59 -4.20 +2.13 +2.24 +2.13 02 2000
(February 28, 2000)
Fairland 11.04 +0.40 +1.94 +2.82 +1.94 02 2000
(February 28, 2000)
Camden 7.01 -0.72 +0.95 +1.63 +0.95 02 2000
(February 28, 2000)
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Reference period: 1961 to 1990.
February average: 68.5 BGD.
The three largest rivers flowing into the Chesapeake Bay contributed about 85 % of total inflow in February, with individual contributions of:
--------------------------
Susquehanna River 51 %
Potomac River 21 %
James River 13 %
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Total 85 %
Other 15 %
Period of record: 1951 to Present.