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USGS Daily Statistics for the Nation

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 01638350 S F CATOCTIN CREEK AT RT 698 NEAR WATERFORD, VA


Loudoun County, Virginia
Hydrologic Unit Code 02070008
Latitude  39°11'28.0", Longitude  77°36'55.6" NAD83
Drainage area 31.6  square miles
Gage datum 336.02 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 2000-10-01 -> 2024-09-30)

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 60 39 55 47 47 34 15 16 20 22 25 44
2 58 36 61 59 39 38 13 13 14 23 24 31
3 51 69 53 56 51 46 13 13 17 22 22 28
4 44 71 52 42 54 39 20 29 19 17 16 23
5 35 57 56 35 52 69 22 13 12 12 27 27
6 33 68 70 42 47 36 27 25 41 11 29 24
7 34 64 62 41 55 39 19 43 18 16 20 42
8 38 43 54 38 41 30 62 11 9.8 19 26 39
9 47 35 63 39 33 27 18 7.9 20 11 19 52
10 57 35 77 33 34 32 13 7.5 16 9.9 19 41
11 40 41 70 33 47 54 11 16 11 15 17 103
12 41 46 70 41 119 64 10 15 13 29 32 49
13 41 53 65 55 51 50 9.3 11 11 14 37 37
14 72 40 63 43 40 38 15 7.2 8.4 15 22 42
15 34 35 44 57 60 31 12 9.2 7.6 19 21 71
16 42 59 50 70 186 25 9 8.2 7.4 18 44 72
17 32 46 40 65 84 28 7.4 15 7.6 13 39 47
18 37 37 36 36 70 33 8.9 12 24 12 29 46
19 30 33 39 42 65 27 8.3 7.3 25 18 45 32
20 44 35 54 54 44 25 7.8 8 9.4 21 30 29
21 28 49 70 85 36 24 18 21 8.1 10 21 38
22 27 67 58 43 49 36 20 24 11 9.7 29 43
23 37 57 49 38 59 29 20 9.2 99 9 46 73
24 56 66 41 38 51 25 26 7.3 28 8.4 39 62
25 89 55 36 37 54 19 18 6.1 26 17 33 68
26 41 43 33 37 43 24 13 7.8 23 14 27 77
27 33 54 34 44 42 30 11 6.5 30 22 30 50
28 46 49 60 78 35 37 13 8.8 106 24 27 48
29 32 56 50 42 29 18 38 7.3 41 70 30 55
30 56   62 87 27 16 20 5.4 48 100 45 37
31 82   46   33   20 5   30   36