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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 01648000 ROCK CREEK AT SHERRILL DRIVE WASHINGTON, DC


District Of Columbia, Dist. of Columbia
Hydrologic Unit Code 020700100102
Latitude  38°58'21.0", Longitude  77°02'24.0" NAD83
Drainage area 62.2  square miles
Gage datum 148.15 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 1929-10-01 -> 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 83 71 81 103 83 60 58 62 57 52 47 66
2 83 79 72 103 71 63 53 52 40 55 43 59
3 77 82 90 92 77 84 85 42 36 38 43 53
4 85 84 94 90 82 72 59 62 39 30 45 58
5 68 78 98 94 83 81 49 49 55 29 49 62
6 68 75 91 90 102 70 55 53 99 34 44 68
7 71 90 92 92 93 81 44 44 54 38 57 71
8 63 74 87 85 76 59 62 55 54 54 57 59
9 81 61 78 92 72 63 67 53 43 39 48 73
10 74 64 78 84 64 61 52 57 53 46 57 62
11 60 70 74 72 70 61 48 43 52 38 46 87
12 66 78 93 73 93 51 48 79 53 38 64 68
13 59 90 93 101 93 66 61 78 49 28 65 70
14 78 86 94 80 72 60 61 40 57 44 52 72
15 68 86 79 95 76 52 54 42 32 38 48 73
16 61 85 82 100 99 48 49 37 53 54 52 85
17 55 76 88 90 78 49 37 38 52 38 48 70
18 64 84 79 70 74 76 43 53 51 37 44 74
19 77 94 94 69 72 61 41 38 32 58 46 54
20 79 76 87 84 69 71 52 56 28 44 53 55
21 74 75 114 72 68 70 94 55 36 42 51 73
22 67 87 93 76 73 110 58 39 50 36 73 67
23 66 97 110 66 81 80 59 55 57 65 46 68
24 79 90 105 68 76 63 44 64 41 35 51 67
25 91 89 80 67 76 57 45 49 51 55 65 74
26 91 98 103 94 79 80 36 41 80 53 61 83
27 69 80 88 92 70 76 50 58 60 58 55 63
28 78 80 98 88 88 57 59 45 50 56 81 66
29 63 72 93 64 75 50 60 33 44 67 75 66
30 65   94 94 65 55 43 27 54 55 65 66
31 66   91   68   44 39   39   64