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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 717.75 feet above NGVD29
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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 -> 2021-09-30)

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
1 178 112 130 217 163 106 94 120 175 438 94 169
2 267 236 205 137 112 82 94 163 209 244 299 91
3 386 594 249 201 165 93 92 194 93 107 102 103
4 469 547 188 253 231 93 139 75 208 111 78 112
5 150 161 323 348 428 85 127 70 125 79 66 165
6 141 265 445 241 150 129 143 91 73 57 93 113
7 165 288 218 276 97 124 135 99 72 117 181 78
8 174 140 411 307 100 221 83 213 58 73 112 138
9 107 188 228 249 122 129 80 169 62 63 192 242
10 100 435 130 150 145 119 122 221 72 156 133 144
11 266 465 131 161 131 115 101 120 149 455 93 121
12 169 190 234 223 107 134 117 69 118 92 146 143
13 176 199 203 156 105 88 97 67 72 152 140 114
14 140 141 117 197 93 122 112 112 152 178 77 151
15 185 146 138 196 114 112 121 86 73 75 179 141
16 156 355 220 114 98 127 117 84 65 57 109 95
17 194 271 559 113 112 121 146 83 275 51 121 163
18 216 257 201 152 131 142 165 89 120 57 99 81
19 192 390 143 453 187 132 233 134 76 62 94 77
20 230 215 156 300 200 188 147 95 79 59 71 150
21 412 254 185 120 126 111 148 89 134 51 72 136
22 355 293 124 123 113 115 125 74 77 80 194 204
23 211 322 194 217 230 119 94 97 51 114 136 257
24 287 251 221 261 224 216 107 123 56 92 137 684
25 354 163 195 205 87 159 82 106 113 174 95 439
26 154 213 182 138 121 143 86 98 86 247 143 205
27 199 174 203 123 179 129 132 72 134 85 97 110
28 152 143 258 139 180 117 64 55 124 82 83 442
29 114 117 302 155 125 113 60 100 148 123 138 354
30 185   275 145 124 111 85 108 105 78 192 243
31 157   170   84   86 119   66   221