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USGS Daily Statistics for North Carolina

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The daily maximum and minimum water level values for groundwater wells after September 30, 2023 are no longer being displayed on NWISWeb. However, these values can be determined using the instantaneous values that are available through the "Time-Series: Current/Historical Observations" option in the available data dropdown box for the station.


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 -> 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
1 208 186 230 266 203 173 99 97 112 122 120 149
2 191 232 215 256 193 164 108 90 92 108 157 154
3 202 254 211 252 192 151 112 104 85 96 127 132
4 182 249 238 277 206 159 135 100 82 128 112 136
5 169 222 232 325 224 173 129 93 106 134 107 137
6 184 238 252 294 255 144 124 88 103 105 154 128
7 191 227 238 275 232 142 135 95 116 109 124 150
8 216 203 234 260 232 145 124 98 218 102 108 153
9 196 193 230 255 206 152 110 94 136 115 106 148
10 180 228 217 244 194 151 109 95 96 96 109 141
11 196 224 217 234 200 146 124 92 82 114 125 142
12 186 219 258 243 195 152 131 104 93 96 124 157
13 171 233 283 265 182 142 116 168 86 85 130 139
14 204 232 274 259 177 131 121 123 94 88 108 149
15 236 218 240 247 187 132 128 90 85 88 110 149
16 203 243 268 263 191 157 113 93 90 127 119 137
17 185 241 300 256 173 153 110 159 157 124 109 144
18 211 237 272 239 181 129 109 151 113 101 107 139
19 244 216 261 279 177 135 111 92 83 113 125 126
20 224 213 259 257 184 142 106 83 87 99 118 130
21 211 235 270 239 198 159 98 86 89 85 106 143
22 207 230 248 228 181 137 104 89 96 87 109 140
23 200 240 278 221 190 125 109 89 84 108 122 153
24 195 227 291 226 179 115 99 100 93 95 124 179
25 207 232 268 217 168 110 99 101 84 94 132 180
26 203 230 305 219 161 112 97 89 84 106 152 174
27 206 217 296 217 187 108 90 110 83 94 124 157
28 192 226 299 225 230 106 93 107 96 95 130 205
29 176 185 298 221 275 103 87 95 100 115 129 216
30 183   302 218 242 103 97 152 152 103 138 189
31 192   294   183   97 104   107   185