Maryland And Delaware. -- Streamflow decreased throughout the entire bi-state area. In Western Maryland and on the upper Potomac River, streamflow decreased, and moved from the normal range into the below-normal range. In Central Maryland, flows decreased, and remained in the normal range. On the lower Potomac River, flows decreased, and moved from the normal into the below-normal range. On the Eastern Shore, streamflow decreased, and remained in the normal range.
Contents of the Baltimore reservoir system increased, and near month's end were 83 percent of average and 88 percent of last year. End of month contents = 60,740 million gallons.
Ground-water levels were below normal throughout the entire bi-state area. In western Maryland, ground water levels fell, and remained in the below-normal range. In west central Maryland, ground water levels decreased, and remain in the below-normal range. In central Maryland, water levels decreased, and remain in the below-normal range. On the Eastern Shore, water levels fell, 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 #1230 37 0.46 1.87 52 -1.73 1950 31
Paw Paw, W.Va. 998 9
Seneca Cr at 78.9 74 0.90 4.33 118 +0.66 140 11
Dawsonville, Md. 62 18
Potomac R near #4230 37 0.43 2.56 80 -0.64 5760 12
Washington, D.C.(1) 2720 26
Choptank R near 114 63 1.16 4.48 103 +0.11 203 6
Greensboro, Md. 83 25
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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 12-29 13.95 01-28 14.95
WA-Be 2 Fort Frederick 12-29 34.65 01-28 34.72
MO-Eh 20 Fairland 12-28 12.81 01-28 12.98
Jd 42-03 Camden 12-30 7.70 01-28 7.96
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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 14.95 -3.49 -1.00 -8.11 -2.81 12 1999
(January 28, 2000)
Ft. Frederick 34.72 -3.64 -0.07 -0.16 -0.07 01 2000
(January 28, 2000)
Fairland 12.98 -1.02 -0.17 +0.77 -0.17 01 2000
(January 28, 2000)
Camden 7.96 -1.10 -0.26 -0.76 -0.26 01 2000
(January 28, 2000)
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Reference period: 1961 to 1990.
January average: 56.8 BGD.
The three largest rivers flowing into the Chesapeake Bay contributed about 81 % of total inflow in January, with individual contributions of:
--------------------------
Susquehanna River 56 %
Potomac River 13 %
James River 12 %
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Total 81 %
Other 19 %
Period of record: 1951 to Present.