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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 020600030902
Latitude  39°20'45.2", Longitude  76°43'59.5" NAD83
Drainage area 32.5  square miles
Gage datum 359.71 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 -> 2025-09-30)

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 46 53 70 52 39 45 27 24 46 31 53
2 50 58 57 74 40 45 26 32 28 39 26 45
3 46 69 57 62 41 54 39 28 25 32 27 39
4 42 56 50 57 57 42 33 45 35 30 28 32
5 34 53 58 61 55 49 25 34 38 22 31 32
6 36 55 62 60 54 38 27 19 69 19 31 40
7 37 52 54 52 53 40 36 26 66 31 37 47
8 39 45 52 49 47 30 46 26 58 63 51 44
9 58 34 58 50 46 30 24 28 40 29 32 58
10 45 38 60 49 38 35 23 34 36 45 36 41
11 41 44 47 41 42 44 30 32 45 38 37 70
12 37 59 59 45 58 31 24 44 47 27 41 47
13 34 67 64 71 47 44 33 89 34 19 37 62
14 58 45 61 45 37 38 39 33 29 25 34 52
15 38 41 43 75 41 27 26 23 17 27 30 53
16 36 49 48 65 68 31 24 18 52 27 49 69
17 34 42 49 46 43 29 28 25 23 26 33 59
18 44 50 45 42 41 29 22 25 30 30 29 68
19 39 55 63 40 43 36 18 19 24 41 29 34
20 51 43 51 49 40 45 22 26 16 26 31 35
21 47 45 84 42 39 44 31 25 27 23 29 52
22 33 54 67 42 40 116 42 26 33 25 40 46
23 42 66 60 47 48 35 50 20 48 22 35 58
24 68 71 56 44 50 30 53 21 32 25 40 48
25 72 69 44 50 40 34 34 24 38 34 49 59
26 65 62 62 55 40 47 23 35 65 37 49 65
27 41 51 57 45 39 39 28 52 57 49 35 44
28 54 52 57 53 52 33 34 47 44 41 41 45
29 35 46 55 41 42 31 32 24 34 80 55 42
30 34   69 86 37 34 41 15 46 48 43 32
31 45   59   35   29 16   29   38