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USGS Surface-Water 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 02086500 FLAT RIVER AT DAM NEAR BAHAMA, NC


Durham County, North Carolina
Hydrologic Unit Code 03020201
Latitude  36°08'55", Longitude  78°49'44" NAD83
Drainage area 168  square miles
Gage datum 255.7 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 1926-10-01 -> 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
1 166 287 496 345 135 74 73 80 122 135 51 163
2 180 212 330 270 180 67 81 59 40 214 59 96
3 230 168 244 248 157 80 97 61 31 87 57 127
4 243 219 463 185 163 118 66 61 28 54 50 108
5 184 230 384 222 127 102 47 57 29 56 92 114
6 226 325 441 328 201 87 74 50 138 52 59 104
7 261 335 398 353 193 75 60 69 92 33 50 98
8 183 278 283 375 113 112 70 55 128 85 49 97
9 215 190 228 377 90 85 67 56 51 110 51 126
10 201 229 208 356 89 78 68 73 37 35 136 170
11 205 256 177 284 90 74 64 53 33 95 72 166
12 175 238 195 303 76 62 66 55 30 132 177 195
13 169 281 239 322 73 99 155 42 30 39 279 188
14 247 422 288 218 68 60 73 60 27 33 93 209
15 173 344 225 275 66 55 57 73 26 70 112 194
16 139 325 265 426 183 88 107 66 62 52 101 180
17 140 266 279 237 107 98 106 97 256 43 86 154
18 182 281 305 178 88 94 72 184 237 33 75 131
19 249 238 248 176 137 93 69 103 181 34 92 106
20 276 212 279 196 142 135 50 59 109 36 173 92
21 185 238 358 159 179 85 38 89 64 42 140 170
22 200 287 241 153 194 125 40 58 37 32 215 159
23 206 373 210 183 199 53 49 48 50 31 134 183
24 196 334 331 188 153 48 105 55 43 29 122 246
25 316 248 312 297 181 47 66 55 42 28 115 279
26 239 246 255 250 119 44 172 70 42 56 101 234
27 180 287 203 183 95 46 75 50 47 61 86 137
28 204 399 250 249 94 62 102 83 43 34 115 126
29 222 195 276 159 110 57 68 77 82 40 143 260
30 160   298 153 106 69 49 56 128 49 151 201
31 203   239   135   43 94   52   177