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USGS Surface-Water 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 -> 2021-09-30)

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 65 46 55 67 52 40 43 27 21 46 32 55
2 50 60 55 70 40 46 25 31 28 39 27 47
3 48 71 58 55 42 56 39 25 26 32 28 39
4 44 56 49 57 58 44 31 46 37 26 28 32
5 35 54 58 63 55 46 26 35 40 21 32 33
6 34 56 64 57 49 36 28 19 66 19 32 42
7 37 54 56 51 45 41 33 22 70 31 39 49
8 40 46 54 49 46 30 47 24 61 66 54 46
9 46 35 55 51 46 30 23 21 39 30 33 61
10 39 40 59 50 38 36 23 34 36 47 37 41
11 41 46 48 42 43 46 31 33 41 39 37 62
12 37 61 60 45 59 32 25 46 43 28 39 48
13 31 63 66 74 48 46 34 94 30 19 38 64
14 60 46 63 46 37 39 40 35 30 24 35 54
15 40 42 44 76 42 27 26 24 17 27 30 47
16 37 47 49 68 71 32 22 18 52 28 48 65
17 30 38 50 47 44 30 26 24 22 26 34 59
18 45 51 46 42 41 30 21 21 31 31 30 53
19 40 57 65 38 43 38 17 17 24 43 31 34
20 50 44 53 51 41 47 23 27 16 27 32 36
21 49 46 88 43 40 46 30 25 28 23 27 54
22 34 56 70 43 41 122 44 27 32 26 36 44
23 42 68 58 48 49 34 52 21 42 23 36 51
24 71 74 56 45 51 31 56 22 27 26 42 49
25 73 71 43 52 41 36 36 25 39 33 52 61
26 66 65 65 56 42 48 24 37 64 35 51 69
27 42 53 58 46 37 39 29 55 59 51 36 42
28 48 54 59 51 50 33 34 50 45 43 42 42
29 36 46 57 40 42 32 32 24 35 72 58 42
30 35   72 88 38 29 42 16 48 47 45 32
31 47   60   36   30 16   30   39