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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 02070010
Latitude  38°58'21.0", Longitude  77°02'24.0" NAD83
Drainage area 62.2  square miles
Gage datum 148.14 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 70 81 102 84 60 58 62 57 52 47 66
2 83 79 73 103 72 63 53 52 40 55 43 59
3 78 82 91 92 78 84 85 42 36 38 43 54
4 86 85 94 90 82 73 59 62 39 30 45 58
5 69 79 98 95 82 81 49 49 55 29 49 63
6 68 74 91 90 100 70 55 53 99 34 44 68
7 71 90 93 92 93 82 44 44 54 38 57 72
8 64 74 88 86 76 59 62 55 54 54 57 60
9 81 62 79 93 72 63 67 53 43 39 48 74
10 74 64 78 84 65 62 52 57 53 46 57 63
11 60 71 74 71 70 61 48 43 52 38 46 86
12 66 79 94 73 94 52 48 79 53 38 64 67
13 59 89 94 102 90 67 61 78 49 28 65 69
14 78 86 95 80 69 60 61 40 57 44 52 71
15 68 86 80 96 74 51 54 42 32 38 48 73
16 62 82 82 101 98 47 49 37 53 54 52 84
17 56 76 89 91 77 49 37 38 52 38 48 70
18 65 84 80 71 74 72 43 53 51 37 44 74
19 77 94 95 70 72 59 41 38 32 58 46 54
20 79 76 88 85 69 70 52 56 28 44 53 55
21 75 75 115 73 68 70 94 55 36 42 51 73
22 67 87 94 76 72 110 58 39 50 36 73 67
23 67 97 111 67 81 81 59 55 57 65 46 68
24 80 91 106 68 76 63 44 64 41 35 51 68
25 92 90 80 67 77 57 45 49 51 55 65 74
26 91 99 104 95 80 81 36 41 80 53 61 83
27 69 81 89 93 70 76 50 58 60 58 55 64
28 78 80 99 88 85 58 59 45 50 56 81 65
29 63 72 93 64 75 50 60 33 44 67 75 66
30 65   95 95 65 55 43 27 54 55 65 66
31 66   92   67   44 39   39   64