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USGS Daily Statistics for North Carolina

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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 1,976.37 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 1920-10-01 -> 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
1 208 186 230 263 201 173 99 97 111 133 120 148
2 191 230 217 253 191 164 107 90 92 116 157 152
3 201 252 212 249 191 151 111 105 85 102 127 130
4 181 246 238 274 205 158 134 100 81 133 112 135
5 168 221 233 320 222 173 128 93 105 138 107 136
6 184 236 252 290 253 144 123 87 102 109 153 127
7 190 225 239 276 230 142 134 95 115 112 124 148
8 214 201 234 261 230 144 123 98 216 105 108 151
9 210 191 232 255 210 151 110 94 135 117 106 147
10 184 225 218 244 196 150 108 94 95 99 109 144
11 197 223 218 236 201 145 123 92 81 117 124 145
12 187 222 257 245 196 151 130 103 92 98 124 157
13 172 249 282 265 187 141 115 167 85 88 130 138
14 204 240 272 259 180 131 120 122 93 90 108 148
15 235 223 239 246 188 132 127 89 84 90 110 148
16 202 249 267 261 191 156 113 93 89 128 119 136
17 184 244 297 254 174 153 110 158 161 125 109 143
18 209 240 270 237 182 128 110 150 113 102 106 138
19 242 218 258 276 177 134 112 91 83 114 125 125
20 222 214 257 255 185 141 106 83 87 100 118 129
21 209 235 268 237 199 158 98 86 89 87 106 142
22 205 230 246 226 181 137 105 88 95 88 108 139
23 198 239 276 219 189 125 109 88 84 109 121 152
24 193 226 288 224 179 114 99 99 94 96 124 177
25 207 230 265 216 168 110 100 101 91 94 131 178
26 206 228 301 217 161 112 97 88 124 107 152 178
27 208 215 292 215 188 108 90 109 318 95 123 158
28 197 225 296 223 230 106 93 106 189 95 130 204
29 179 182 295 219 275 102 88 94 136 115 128 220
30 184   299 216 241 102 97 151 168 103 137 192
31 192   291   183   97 103   108   187