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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 03451000 SWANNANOA RIVER AT BILTMORE, NC


Buncombe County, North Carolina
Hydrologic Unit Code 06010105
Latitude  35°34'06", Longitude  82°32'41" NAD83
Drainage area 130  square miles
Gage datum 1,976.58 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 1920-10-01 -> 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
1 210 187 228 263 204 173 99 97 110 124 122 150
2 192 233 213 254 194 164 107 90 89 110 160 155
3 201 255 208 251 192 151 112 104 84 97 129 133
4 179 242 236 278 206 159 136 100 81 131 113 137
5 168 218 232 328 225 175 128 93 103 137 108 139
6 184 238 253 296 257 145 123 84 102 102 156 128
7 192 227 239 274 233 143 136 94 116 94 126 151
8 218 203 235 258 234 145 125 98 220 94 109 153
9 196 193 228 253 208 153 111 94 136 111 108 148
10 180 230 216 241 195 152 108 94 94 94 111 140
11 197 227 217 231 202 147 124 92 80 114 119 142
12 186 218 258 242 196 153 132 104 93 95 121 157
13 169 232 286 266 183 143 116 171 86 85 131 139
14 204 231 276 260 178 132 121 124 94 88 108 150
15 237 217 241 248 188 134 129 89 85 89 110 148
16 204 242 268 265 192 159 113 89 91 128 120 135
17 186 237 302 258 174 156 111 136 159 125 110 144
18 213 230 269 240 182 130 109 117 114 102 108 138
19 246 212 258 282 178 136 110 84 83 115 127 126
20 226 210 258 260 186 143 106 80 88 100 120 130
21 213 234 271 241 200 158 98 84 90 86 107 144
22 208 230 249 228 183 135 105 87 96 87 109 141
23 201 237 277 222 188 124 109 88 84 109 123 154
24 197 225 290 227 175 114 99 100 94 96 126 181
25 206 231 260 219 166 110 99 102 85 95 134 182
26 203 229 287 220 156 112 97 89 85 108 155 176
27 207 214 290 219 173 108 90 111 83 96 126 159
28 193 225 296 226 216 106 93 107 97 96 132 208
29 177 185 297 223 272 102 87 95 102 116 130 219
30 184   303 220 241 103 97 154 155 104 136 191
31 192   290   182   96 105   109   187