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USGS Daily Statistics for Maryland

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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 01589300 GWYNNS FALLS AT VILLA NOVA, MD


Baltimore County, Maryland
Hydrologic Unit Code 02060003
Latitude  39°20'45.2", Longitude  76°43'59.5" NAD83
Drainage area 32.5  square miles
Gage datum 360.61 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 water year of record in, ft3/s   (Calculation Period 1956-10-01 -> 2023-09-30)

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 64 45 54 66 52 40 45 27 24 46 32 54
2 51 59 54 69 40 46 27 31 29 39 27 46
3 47 70 57 53 42 56 39 25 25 32 27 39
4 43 57 50 56 58 43 31 45 36 30 28 32
5 34 54 57 62 55 45 25 35 39 22 32 32
6 34 55 62 61 54 35 27 20 71 19 32 41
7 36 53 54 53 54 41 33 22 68 31 38 48
8 39 45 53 50 47 31 46 24 60 65 52 45
9 45 35 54 51 47 30 23 20 40 29 32 60
10 38 39 58 50 38 36 23 34 35 46 36 40
11 41 45 47 42 43 45 30 32 42 39 37 61
12 37 60 60 45 58 32 25 45 47 28 41 47
13 31 63 65 73 48 45 33 92 31 20 38 63
14 59 45 62 46 38 39 39 34 29 25 34 53
15 39 41 43 75 42 27 26 24 17 27 31 54
16 36 47 48 67 70 31 24 18 53 28 50 69
17 34 42 49 47 44 30 29 26 23 26 34 58
18 45 50 45 43 41 30 23 22 30 30 29 52
19 39 56 64 40 44 37 18 17 24 41 30 33
20 52 44 52 50 41 46 22 27 16 27 32 35
21 48 46 86 43 40 45 29 25 28 23 26 53
22 33 55 69 42 41 120 43 26 32 25 35 46
23 42 67 57 48 49 35 51 20 45 22 35 59
24 70 72 56 44 51 31 54 22 26 26 41 49
25 72 70 45 51 40 35 35 25 38 34 50 60
26 66 64 64 56 41 47 23 36 62 38 49 67
27 42 52 57 45 38 39 29 54 57 50 35 41
28 48 53 57 50 52 33 33 48 44 42 41 41
29 35 46 56 39 42 31 31 24 34 83 56 41
30 34   70 86 38 29 41 15 47 49 44 32
31 46   59   36   30 16   30   38