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USGS Surface-Water 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 01648010 ROCK CREEK AT JOYCE RD WASHINGTON, DC


District Of Columbia, Dist. of Columbia
Hydrologic Unit Code 02070010
Latitude  38°57'36.6", Longitude  77°02'31.4" NAD83
Drainage area 63.7  square miles
Gage datum 136.78 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 2012-10-01 -> 2023-09-30)

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 87 80 99 109 214 68 78 132 164 63 118 81
2 105 76 102 73 134 88 85 100 81 86 71 60
3 107 138 84 63 164 184 200 69 100 53 78 62
4 94 142 96 60 129 86 66 183 52 43 52 47
5 72 113 91 62 174 147 73 80 34 34 87 78
6 66 90 86 135 150 87 81 96 116 24 79 72
7 56 110 73 116 170 123 104 92 84 40 65 79
8 53 75 70 111 105 80 120 52 71 31 50 40
9 56 66 75 88 87 120 150 66 99 39 46 90
10 88 73 89 63 82 103 54 82 220 57 55 57
11 81 132 84 61 132 162 67 67 86 112 67 53
12 81 103 102 64 108 88 101 210 100 125 117 40
13 84 97 78 143 126 88 53 89 72 53 91 35
14 67 80 98 83 79 65 61 51 43 39 47 77
15 63 66 71 130 74 80 77 106 36 56 68 183
16 77 141 60 210 200 51 59 96 37 60 99 209
17 83 102 60 89 120 62 56 109 54 34 62 130
18 60 96 70 86 117 73 62 63 96 25 48 85
19 58 83 91 91 140 57 48 45 26 44 47 68
20 118 73 79 154 82 77 50 93 21 57 37 62
21 63 85 135 81 75 95 121 83 22 35 31 100
22 55 92 103 66 153 80 223 85 40 53 30 89
23 69 90 75 58 141 144 143 67 137 29 29 155
24 140 139 119 71 101 69 100 48 52 25 107 145
25 142 123 110 82 84 78 102 37 59 38 75 176
26 90 84 74 76 76 73 62 32 39 62 83 137
27 72 96 82 81 97 128 52 46 58 84 100 103
28 60 98 92 59 124 83 176 30 89 46 51 102
29 54 68 78 64 101 53 217 41 96 255 44 125
30 54   123 271 68 46 94 26 78 226 101 84
31 122   123   75   97 50   85   77