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USGS Daily Statistics for North Carolina

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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 346.85 feet above NGVD29
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00060, Discharge, cubic feet per second,
Day of
month
Mean of daily mean values for each day for 91 - 92 years of record in, ft3/s   (Calculation Period 1924-10-01 -> 2017-09-30)

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
1 198 216 357 335 104 60 68 64 106 143 60 141
2 155 265 269 244 168 68 88 59 35 165 50 92
3 249 238 242 213 150 82 85 81 36 64 64 129
4 247 292 398 165 154 122 74 62 49 52 80 105
5 142 267 317 235 144 101 49 54 57 113 52 111
6 209 289 412 302 155 64 86 52 439 77 46 135
7 223 262 351 275 134 67 57 66 240 42 82 87
8 224 252 247 267 128 90 60 48 105 83 77 116
9 232 189 244 299 115 75 55 58 40 100 57 115
10 193 227 219 268 89 70 113 62 32 74 92 148
11 215 214 189 213 93 91 92 69 31 118 100 141
12 184 191 194 242 83 54 81 83 61 50 125 158
13 182 228 263 194 102 100 144 41 54 35 137 145
14 242 322 304 188 102 48 157 89 32 47 88 146
15 189 299 211 224 95 53 88 68 29 77 82 139
16 187 251 239 286 193 85 117 61 135 48 60 173
17 158 355 307 198 83 83 107 104 92 46 73 109
18 198 257 287 164 71 127 75 193 137 41 67 103
19 291 241 398 162 80 88 58 89 155 30 86 119
20 275 196 301 138 84 111 40 63 60 48 179 91
21 240 218 341 146 140 99 55 59 44 68 113 155
22 200 214 228 147 112 115 47 44 42 35 161 144
23 205 293 208 163 138 77 49 54 50 72 105 149
24 228 245 317 158 105 51 92 52 33 46 128 160
25 280 246 236 238 131 40 75 86 55 109 123 189
26 213 271 184 254 94 55 143 56 38 51 128 179
27 177 226 175 223 99 59 68 38 38 47 95 139
28 247 331 260 231 106 66 97 95 67 56 134 158
29 189 144 256 170 107 126 74 58 104 46 154 238
30 143   292 145 103 65 56 56 129 44 125 179
31 210   239   114   56 77   46   153