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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 - 47 years of record in, ft3/s   (Calculation Period 1967-10-01 -> 2014-09-30)

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 37,000 45,000 57,700 87,400 53,400 39,000 31,200 16,600 12,900 27,300 30,400 55,700
2 47,700 44,400 56,300 89,900 51,600 38,000 29,800 17,300 13,500 25,100 29,500 57,400
3 48,400 46,100 57,800 96,800 50,800 36,400 28,600 19,000 14,300 23,600 27,200 59,600
4 48,000 51,800 60,700 101,000 47,300 34,500 22,300 18,600 14,200 22,700 26,600 57,900
5 45,900 54,700 61,300 99,100 49,600 34,300 25,000 17,000 15,000 20,800 26,800 53,500
6 41,900 51,000 73,600 97,900 49,000 34,700 23,100 15,600 16,400 19,700 28,000 51,900
7 43,400 46,400 76,000 97,500 50,000 34,500 23,300 16,000 17,600 19,500 25,100 50,000
8 43,200 44,500 72,500 92,400 47,200 35,600 22,000 14,700 28,800 20,400 26,400 51,600
9 44,200 42,800 66,200 82,800 45,300 34,900 20,900 14,300 30,200 20,500 29,700 49,800
10 48,000 40,200 64,700 78,000 43,800 30,600 19,400 13,300 26,500 21,900 33,300 49,200
11 43,800 36,700 67,600 78,700 44,400 29,100 18,800 14,200 24,200 22,900 35,800 48,900
12 40,200 38,800 70,700 79,700 48,900 27,700 17,800 14,400 19,400 21,700 36,600 51,500
13 38,300 40,000 66,800 74,800 52,700 27,200 18,000 15,600 17,500 20,300 37,400 53,200
14 39,400 40,900 68,200 72,400 53,400 26,700 18,800 16,500 17,000 21,000 35,700 58,100
15 42,500 43,000 72,200 72,300 54,100 27,900 19,500 15,000 17,500 20,300 36,200 58,200
16 42,700 47,100 77,800 75,800 56,100 27,900 18,300 14,500 17,400 20,400 36,300 54,500
17 41,400 45,100 79,300 79,700 55,400 29,700 18,300 14,400 15,800 20,400 37,900 52,800
18 40,500 42,900 75,700 82,900 52,800 30,900 18,200 14,600 17,900 20,900 39,500 50,000
19 40,100 46,100 72,800 77,100 52,400 30,700 16,500 13,100 26,300 24,800 41,500 48,800
20 47,600 47,600 71,600 68,900 51,500 28,700 15,700 16,500 27,300 27,200 41,700 47,000
21 52,500 51,500 74,400 64,200 50,600 28,400 16,700 15,800 21,800 29,700 42,300 45,200
22 48,100 53,600 80,600 61,000 49,100 38,500 16,900 14,900 20,200 32,200 39,300 46,800
23 43,300 58,000 83,800 60,000 45,500 51,800 17,600 14,700 18,200 33,200 38,700 48,000
24 42,000 61,000 88,900 56,700 45,400 52,500 16,700 14,000 20,400 31,600 38,100 47,100
25 48,400 65,500 90,700 57,000 42,300 47,800 16,100 13,800 19,600 31,400 37,100 42,300
26 49,500 68,700 85,900 59,100 40,600 40,500 16,000 12,100 25,400 30,700 38,000 50,500
27 52,300 65,300 83,800 57,700 39,200 33,900 16,500 12,900 32,100 29,200 38,000 52,200
28 55,800 60,000 84,500 60,800 38,800 30,900 16,500 12,200 31,500 29,700 41,100 49,300
29 52,300 61,500 87,500 59,600 39,300 33,200 17,100 11,900 31,200 30,300 49,800 48,100
30 48,400   90,800 56,500 39,500 32,700 18,300 12,500 28,200 32,000 53,200 47,200
31 45,100   88,800   39,900   17,200 12,700   32,100   43,400