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USGS Daily Statistics for the Nation

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 -> 2025-09-30)

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
1 191 224 341 322 108 62 66 62 101 137 60 143
2 152 261 289 234 161 67 83 61 37 155 51 94
3 274 232 242 204 143 80 81 80 35 62 61 125
4 256 278 390 159 148 116 70 62 46 50 75 102
5 152 258 307 223 149 97 47 53 53 105 68 116
6 206 299 394 286 173 62 82 50 405 72 50 131
7 218 294 335 282 133 68 58 63 222 40 80 85
8 215 249 237 275 124 95 61 73 98 77 75 111
9 243 185 257 304 111 74 55 79 39 93 56 110
10 226 218 224 264 86 73 108 69 31 69 93 144
11 209 218 185 209 90 95 88 68 30 124 96 142
12 178 232 196 245 80 57 82 79 58 74 155 157
13 202 281 256 240 99 97 140 42 51 38 220 141
14 244 335 289 195 106 48 156 86 30 47 95 170
15 188 303 202 222 122 52 85 65 31 74 96 178
16 182 270 228 298 186 88 111 58 134 47 70 195
17 155 349 308 194 92 92 101 97 182 46 75 126
18 191 281 280 163 87 126 74 180 161 40 67 124
19 276 249 384 166 118 93 58 84 149 29 83 120
20 264 199 291 149 112 113 41 63 59 47 169 94
21 231 221 344 145 176 97 52 56 43 65 107 167
22 191 220 226 143 143 110 46 43 43 34 152 146
23 202 322 205 158 140 76 48 53 52 68 100 153
24 228 282 303 154 120 52 88 49 38 44 127 178
25 299 265 244 233 131 39 76 81 91 101 123 207
26 226 273 198 243 93 55 137 53 45 51 124 175
27 178 228 178 220 102 59 66 36 65 61 95 148
28 252 317 274 222 117 65 92 89 74 56 132 168
29 192 143 252 165 111 119 70 54 100 45 146 241
30 146   280 151 119 62 53 52 125 45 135 174
31 215   231   114   53 71   46   149