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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 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 -> 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
1 171 110 125 226 159 101 105 121 165 378 86 159
2 277 219 193 137 110 79 93 148 188 213 258 88
3 393 553 238 192 157 89 95 182 87 98 92 98
4 552 605 184 237 221 89 135 88 187 110 72 105
5 157 174 299 393 396 83 139 71 126 128 63 157
6 156 247 408 275 144 128 133 96 73 66 85 127
7 160 270 204 302 95 124 132 140 70 110 158 82
8 162 137 392 312 98 227 91 210 61 71 100 133
9 262 179 264 247 117 130 105 158 61 60 167 222
10 137 402 141 149 138 114 149 208 70 139 119 175
11 247 429 132 156 124 111 105 133 135 393 110 130
12 164 196 302 211 104 129 115 87 108 99 151 149
13 175 191 206 152 103 85 96 90 69 150 128 110
14 133 136 120 193 90 125 112 109 157 162 73 139
15 170 140 136 188 109 111 115 88 81 71 160 182
16 174 328 231 133 95 121 108 86 76 55 102 97
17 189 265 532 115 113 114 132 198 262 50 110 150
18 200 271 231 147 125 133 148 133 113 55 91 85
19 178 364 152 418 175 143 221 135 93 59 86 85
20 212 204 155 280 186 177 224 96 91 60 66 140
21 365 239 178 116 143 120 163 100 127 51 80 127
22 390 291 122 119 114 118 136 81 75 74 187 184
23 204 306 191 203 239 114 102 96 52 103 125 229
24 261 240 210 243 213 200 111 115 55 83 123 594
25 361 158 189 192 86 145 81 107 103 153 90 406
26 163 202 191 132 118 140 85 110 79 215 129 224
27 198 171 287 121 170 145 141 73 119 78 107 109
28 155 141 251 135 169 143 75 71 111 75 81 389
29 113 117 285 147 118 110 63 108 131 112 125 319
30 194   259 170 118 107 98 111 94 72 237 345
31 152   174   82   91 132   66   222