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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 02335700 BIG CREEK NEAR ALPHARETTA, GA


Fulton County, Georgia
Hydrologic Unit Code 03130001
Latitude  34°03'02", Longitude  84°16'10" NAD83
Drainage area 72.0  square miles
Gage datum 960.80 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 1959-10-01 -> 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
1 163 132 229 222 139 102 74 76 56 73 69 116
2 168 172 220 156 112 85 92 84 58 99 92 106
3 171 272 193 151 143 83 88 71 46 74 85 112
4 194 251 220 173 188 92 92 67 48 76 67 111
5 192 223 201 183 170 97 81 52 43 95 72 129
6 155 193 248 189 151 82 78 48 41 75 85 169
7 172 206 258 185 133 77 84 65 47 67 91 154
8 170 151 224 189 134 86 88 92 84 57 93 95
9 161 121 246 216 118 81 70 64 56 57 86 134
10 181 129 199 167 104 73 64 78 38 69 87 172
11 196 161 164 126 88 75 88 79 36 108 115 150
12 207 165 175 132 91 78 108 60 51 98 136 168
13 187 174 217 186 97 79 84 64 70 93 117 167
14 139 172 207 200 97 76 73 73 55 75 78 124
15 126 136 176 168 102 71 72 52 39 58 80 122
16 138 169 198 158 97 75 82 47 45 59 105 117
17 125 216 248 123 90 79 93 60 124 52 102 133
18 141 201 204 114 98 70 76 54 104 50 75 152
19 165 180 160 142 117 75 67 67 46 55 101 135
20 190 168 164 161 125 80 65 69 45 50 96 114
21 175 221 187 124 102 75 74 63 105 44 84 115
22 172 272 170 123 89 77 66 73 133 46 92 116
23 174 242 150 126 94 72 71 88 80 56 90 153
24 181 202 144 139 90 69 71 78 43 56 107 182
25 270 201 164 135 77 72 66 66 72 70 104 187
26 267 194 199 122 78 67 57 74 72 87 105 159
27 210 178 192 129 93 81 56 62 93 106 96 126
28 170 204 188 136 97 76 56 59 97 87 86 149
29 119 142 177 137 109 79 54 47 65 69 94 172
30 128   212 157 88 74 58 51 61 66 100 138
31 133   224   81   65 54   58   148