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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 93 - 94 years of record in, ft3/s   (Calculation Period 1924-10-01 -> 2019-09-30)

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
1 198 214 353 332 104 61 68 63 104 140 60 140
2 155 262 277 242 167 68 87 63 35 162 50 92
3 249 235 243 211 149 82 85 84 36 63 63 129
4 247 288 405 164 153 121 73 64 48 52 79 105
5 146 268 317 233 143 101 49 54 56 111 71 110
6 209 286 407 299 154 64 86 52 430 76 52 133
7 222 258 348 273 133 67 58 65 235 42 84 86
8 221 249 246 269 127 89 60 49 103 81 78 114
9 229 187 242 298 114 74 55 58 41 98 59 114
10 191 224 218 266 89 70 112 61 32 73 98 150
11 212 213 188 212 93 90 91 68 31 127 101 143
12 181 190 193 240 82 54 80 82 61 68 129 160
13 193 229 262 193 102 99 142 43 53 37 214 146
14 245 319 301 187 102 47 156 90 32 48 95 153
15 190 295 210 224 94 53 87 68 33 77 99 167
16 186 248 237 310 192 84 116 60 143 48 72 182
17 158 353 303 201 93 83 106 102 193 46 77 112
18 197 279 286 165 77 126 75 189 158 41 69 105
19 287 243 394 162 111 88 57 88 156 30 87 119
20 275 197 301 138 90 110 40 65 62 47 178 92
21 239 225 360 145 142 98 54 59 45 67 112 169
22 199 224 235 146 120 114 48 43 42 34 159 148
23 205 330 210 162 140 77 49 54 50 71 104 150
24 236 288 315 159 108 51 91 51 34 46 131 159
25 282 267 240 244 131 40 74 85 55 107 128 188
26 213 280 189 256 94 57 140 55 38 53 129 177
27 176 227 176 230 100 62 66 37 38 64 95 138
28 244 327 258 233 106 67 96 94 67 59 133 167
29 190 144 254 171 108 125 72 57 102 47 153 250
30 146   290 145 104 64 55 55 127 45 124 181
31 209   238   114   55 75   46   154