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USGS Daily Statistics for North Carolina

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Operation of the following gaging stations will discontinue on October 1, 2023 after funding ends. Questions regarding extending the operation beyond October 1st can be directed to the South Atlantic Water Science Center North Carolina Associate Director of Data Curtis Weaver (jcweaver@usgs.gov, 984-220-5849).

  • 335629078115407 BR-080
  • 335631078003606 BR-083
  • 335335078351901 BR-381

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 02085500 FLAT RIVER AT BAHAMA, NC


Durham County, North Carolina
Hydrologic Unit Code 03020201
Latitude  36°10'58", Longitude  78°52'44" NAD83
Drainage area 149  square miles
Gage datum 345.8 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 1924-10-01 -> 2023-09-30)

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
1 193 222 346 326 110 61 66 62 102 137 61 145
2 154 262 275 236 164 67 84 61 35 157 52 96
3 278 235 241 206 146 80 82 81 34 62 63 127
4 261 282 394 160 149 117 70 62 46 50 77 103
5 155 262 308 226 139 98 47 54 54 107 70 119
6 208 304 394 290 159 63 82 50 413 73 51 133
7 218 299 337 286 131 65 55 63 226 41 82 87
8 217 252 239 274 124 94 60 49 99 78 77 113
9 225 188 251 307 111 74 55 57 39 95 57 112
10 188 221 217 267 87 73 109 59 31 71 96 146
11 208 221 185 210 90 96 88 66 30 127 99 140
12 178 215 197 245 81 57 77 79 59 76 158 156
13 192 257 259 242 99 98 136 41 51 39 226 142
14 244 333 293 197 99 48 156 87 31 48 97 173
15 189 304 205 225 92 53 85 65 31 75 99 181
16 183 265 231 302 184 85 111 59 137 48 72 198
17 156 350 312 197 90 88 101 99 185 47 76 124
18 194 283 284 166 75 127 72 183 162 41 68 109
19 280 251 390 168 115 94 57 85 151 30 85 120
20 268 200 295 151 111 112 40 63 60 48 173 94
21 235 223 350 146 177 98 52 57 43 66 110 169
22 194 223 229 145 144 112 46 43 41 34 155 148
23 205 326 205 160 141 77 48 53 51 70 102 155
24 231 286 306 156 121 52 88 50 33 45 130 181
25 304 269 247 236 132 40 72 82 55 104 126 211
26 229 277 201 247 94 55 134 53 41 52 126 178
27 180 231 177 223 103 60 64 36 38 63 96 137
28 246 322 255 226 112 66 92 90 65 58 134 164
29 191 143 251 167 108 120 70 55 100 46 149 243
30 147   282 153 104 62 53 53 125 46 137 176
31 218   232   111   53 73   47   151