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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 52 165
2 180 212 330 270 180 67 81 59 40 214 59 97
3 230 168 244 248 157 80 97 61 31 88 58 129
4 243 219 463 185 163 118 66 61 28 55 51 110
5 184 230 384 222 127 102 47 57 29 57 94 115
6 226 325 441 328 201 87 74 50 138 53 60 105
7 261 335 398 353 193 75 60 69 92 34 51 100
8 183 278 283 375 113 112 70 55 128 86 50 98
9 215 190 228 377 90 85 67 56 51 112 51 128
10 201 229 208 356 89 78 68 73 37 35 138 173
11 205 256 177 284 90 74 64 53 33 97 73 169
12 175 238 195 303 76 62 66 55 30 134 180 195
13 169 281 239 322 73 99 155 42 30 39 283 188
14 247 422 288 218 68 60 73 60 27 34 94 209
15 173 344 225 275 66 55 57 73 26 71 113 194
16 139 325 265 426 183 88 107 66 62 52 103 180
17 140 266 279 237 107 98 106 97 256 43 87 154
18 182 281 305 178 88 94 72 184 237 34 76 131
19 249 238 248 176 137 93 69 103 181 34 94 106
20 276 212 279 196 142 135 50 59 109 37 176 92
21 185 238 358 159 179 85 38 89 64 42 142 170
22 200 287 241 153 194 125 40 58 37 32 218 159
23 206 373 210 183 199 53 49 48 50 31 136 183
24 196 334 331 188 153 48 105 55 43 29 124 246
25 316 248 312 297 181 47 66 55 42 29 116 279
26 239 246 255 250 119 44 172 70 42 57 102 234
27 180 287 203 183 95 46 75 50 47 62 88 137
28 204 399 250 249 94 62 102 83 43 35 117 126
29 222 195 276 159 110 57 68 77 82 41 146 260
30 160   298 153 106 69 49 56 128 50 153 201
31 203   239   135   43 94   53   177