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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 02203900 SOUTH RIVER AT FLAKES MILL ROAD NR ATLANTA, GA


Dekalb County, Georgia
Hydrologic Unit Code 03070103
Latitude  33°39'56.8", Longitude  84°13'26.4" NAD83
Drainage area 99.00  square miles
Gage datum 717.72 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 1978-10-01 -> 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
1 167 114 141 220 155 99 102 122 159 365 84 154
2 268 213 203 135 108 78 91 145 182 207 247 86
3 378 531 235 297 153 110 93 177 85 97 90 96
4 530 581 180 239 216 90 131 87 180 108 70 103
5 153 174 298 383 386 87 146 71 122 125 62 151
6 160 247 627 268 145 127 137 94 71 65 83 123
7 158 262 220 294 95 121 140 136 68 107 153 81
8 158 134 386 302 97 219 136 202 59 70 97 130
9 252 174 378 253 122 127 113 153 59 60 161 216
10 136 387 152 154 138 113 153 201 68 135 115 189
11 250 413 136 165 122 108 104 129 130 377 107 163
12 163 308 295 208 103 126 112 85 105 97 146 151
13 173 215 203 150 101 83 94 88 68 145 124 110
14 132 142 121 189 89 121 109 106 152 156 84 136
15 167 141 136 184 108 108 112 85 79 70 158 177
16 170 318 229 131 94 117 105 84 74 55 101 96
17 184 258 511 113 110 111 128 194 251 49 107 147
18 208 262 225 145 122 129 151 130 109 54 89 84
19 178 351 149 403 170 138 218 134 90 58 105 84
20 207 198 152 271 180 171 245 94 88 60 89 136
21 353 232 174 128 139 117 164 97 122 51 83 123
22 376 281 122 121 111 114 136 79 73 72 183 179
23 199 300 191 199 230 110 103 93 51 100 123 221
24 253 233 205 236 206 193 159 112 54 81 120 570
25 348 155 184 187 85 140 137 104 118 147 88 390
26 159 195 195 129 117 135 92 107 176 206 128 216
27 196 166 287 119 182 151 150 72 582 76 105 106
28 154 139 245 132 168 144 82 69 160 74 80 383
29 112 124 276 144 116 109 101 105 135 109 122 337
30 188   251 166 115 106 115 108 97 71 229 339
31 149   170   80   98 128   65   218