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USGS Daily Statistics for Pennsylvania

The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 01578310 SUSQUEHANNA RIVER AT CONOWINGO, MD


Harford County, Maryland
Hydrologic Unit Code 02050306
Latitude  39°39'28.1", Longitude  76°10'28.2" NAD27
Drainage area 27,100  square miles
Gage datum 4.16 feet above NAVD88
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00060, Discharge, cubic feet per second,
Day of
month
Mean of daily mean values for each day for 46 - 46 years of record in, ft3/s   (Calculation Period 1967-10-01 -> 2013-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 36,300 45,700 57,700 87,400 53,400 39,000 31,200 16,600 12,900 27,700 30,800 56,200
2 47,100 45,000 56,300 89,900 51,600 38,000 29,800 17,300 13,500 25,400 30,100 57,600
3 48,100 46,400 57,800 96,800 50,800 36,400 28,600 19,000 14,300 23,900 27,700 60,200
4 48,000 52,500 60,700 101,000 47,300 34,500 22,300 18,600 14,200 23,100 26,700 58,500
5 46,300 55,300 61,300 99,100 49,600 34,300 25,000 17,000 15,000 21,100 27,000 54,200
6 42,000 51,500 73,600 97,900 49,000 34,700 23,100 15,600 16,400 20,000 28,200 52,500
7 43,300 46,700 76,000 97,500 50,000 34,500 23,300 16,000 17,600 19,800 25,200 50,300
8 43,600 45,000 72,500 92,400 47,200 35,600 22,000 14,700 28,800 20,500 26,600 51,700
9 44,400 43,400 66,200 82,800 45,300 34,900 20,900 14,300 30,200 20,800 30,200 49,800
10 48,000 40,400 64,700 78,000 43,800 30,600 19,400 13,300 26,500 22,100 33,800 49,200
11 43,900 37,100 67,600 78,700 44,400 29,100 18,800 14,200 24,200 21,600 36,100 49,100
12 39,900 39,100 70,700 79,700 48,900 27,700 17,800 14,400 19,400 20,200 36,900 51,700
13 38,000 40,500 66,800 74,800 52,700 27,200 18,000 15,600 17,500 19,500 37,600 53,500
14 38,500 41,400 68,200 72,400 53,400 26,700 18,800 16,500 17,000 20,500 36,000 58,900
15 41,800 43,700 72,200 72,300 54,100 27,900 19,500 15,000 17,500 20,100 36,700 59,000
16 42,100 47,800 77,800 75,800 56,100 27,900 18,300 14,500 17,400 20,300 37,000 55,000
17 40,800 45,500 79,300 79,700 55,400 29,700 18,300 14,400 15,800 20,400 38,600 53,300
18 39,900 43,500 75,700 82,900 52,800 30,900 18,200 14,600 17,900 21,200 40,000 50,500
19 39,700 46,800 72,800 77,100 52,400 30,700 16,500 13,100 26,300 25,100 42,100 49,400
20 47,400 48,300 71,600 68,900 51,500 28,700 15,700 16,500 27,300 27,600 42,200 47,600
21 52,700 52,300 74,400 64,200 50,600 28,400 16,700 15,800 21,800 30,000 42,800 45,800
22 48,100 54,300 80,600 61,000 49,100 38,500 16,900 14,900 20,200 32,600 39,700 47,300
23 43,500 58,600 83,800 60,000 45,500 51,800 17,600 14,700 18,200 33,600 39,400 48,100
24 42,400 61,500 88,900 56,700 45,400 52,500 16,700 14,000 20,400 31,900 38,600 46,200
25 49,000 65,700 90,700 57,000 42,300 47,800 16,100 13,800 19,600 31,800 37,500 40,700
26 50,300 68,900 85,900 59,100 40,600 40,500 16,000 12,100 25,400 31,200 38,400 49,400
27 53,100 65,700 83,800 57,700 39,200 33,900 16,500 12,900 32,100 29,700 38,200 51,500
28 56,400 60,000 84,500 60,800 38,800 30,900 16,500 12,200 31,500 29,900 41,400 49,000
29 52,800 61,500 87,500 59,600 39,300 33,200 17,100 11,900 31,200 30,700 50,100 48,000
30 49,200   90,800 56,500 39,500 32,700 18,300 12,500 28,200 32,400 53,400 46,900
31 45,700   88,800   39,900   17,200 12,700   32,400   42,800