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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 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 -> 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
1 192 221 344 326 110 61 66 62 101 136 60 144
2 154 261 291 236 164 67 84 61 34 155 51 95
3 276 233 244 206 146 80 82 80 34 61 62 126
4 259 280 393 160 149 117 70 62 46 50 76 102
5 153 260 308 226 139 98 47 53 53 106 68 117
6 207 301 394 290 159 63 82 50 408 73 50 132
7 220 296 337 286 131 65 55 63 224 40 81 86
8 216 250 239 274 124 94 60 49 98 78 75 112
9 245 186 251 307 111 74 55 56 39 93 56 111
10 228 219 217 267 87 73 109 58 31 70 94 145
11 210 220 185 210 90 96 88 65 30 125 97 142
12 179 216 197 245 81 57 77 78 58 75 156 156
13 203 259 259 242 99 98 136 41 52 39 222 142
14 246 332 293 197 99 48 156 86 31 47 95 172
15 190 302 205 225 92 53 85 65 31 74 97 180
16 183 264 231 302 184 85 111 58 136 48 71 196
17 156 347 312 197 90 88 101 98 184 47 76 127
18 193 281 284 166 75 127 72 181 161 41 67 125
19 278 250 390 168 115 94 57 84 150 29 84 121
20 266 199 295 151 111 112 40 63 60 47 170 95
21 233 222 350 146 177 98 52 56 43 65 108 168
22 193 221 229 145 144 112 46 43 40 34 153 147
23 204 324 205 160 141 77 48 53 51 68 101 154
24 230 284 306 156 121 52 88 49 35 44 128 180
25 301 267 247 236 132 40 72 81 54 102 124 209
26 228 275 201 247 94 55 134 53 40 51 125 176
27 179 230 177 223 103 60 64 36 38 61 96 150
28 254 320 255 226 112 66 92 89 64 57 133 170
29 193 143 251 167 108 120 70 54 98 45 147 243
30 147   282 153 104 62 53 52 124 46 136 176
31 217   232   111   53 72   46   150