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USGS Daily Statistics for Texas

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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 08143600 Pecan Bayou nr Mullin, TX


Mills County, Texas
Hydrologic Unit Code 12090107
Latitude  31°31'02", Longitude  98°44'25" NAD27
Drainage area 2,073  square miles
Contributing drainage area 2,073  square miles
Gage datum 1,198.02 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 1967-10-01 -> 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
1 174 74 247 72 225 597 339 46 41 46 176 99
2 113 79 240 66 173 682 220 59 28 39 173 80
3 96 119 242 86 202 603 200 37 29 46 179 65
4 84 218 236 190 221 570 243 22 29 60 148 55
5 75 230 262 161 278 588 180 21 30 53 90 49
6 68 238 268 131 275 705 131 18 30 49 95 42
7 57 200 232 137 208 553 180 14 26 81 79 41
8 51 144 191 120 196 478 393 13 31 80 74 38
9 49 115 183 94 292 429 651 17 46 160 71 39
10 53 97 166 83 287 355 541 142 40 179 117 38
11 51 84 167 81 307 470 389 153 26 104 114 33
12 46 73 164 79 369 299 215 89 22 101 96 32
13 43 70 157 71 458 229 154 66 16 178 79 35
14 40 66 136 63 489 249 123 50 52 116 66 43
15 36 64 118 60 489 242 100 40 35 111 58 39
16 35 70 208 94 361 235 89 46 32 158 83 46
17 34 67 178 97 279 298 70 40 71 138 152 44
18 37 86 169 116 200 271 62 31 51 152 198 39
19 55 90 152 119 178 161 48 27 56 88 233 48
20 118 133 208 138 184 164 38 123 124 111 205 217
21 141 168 239 192 184 126 33 97 173 160 132 337
22 187 162 168 219 189 121 30 92 131 137 109 554
23 258 228 136 231 175 200 31 60 87 105 118 462
24 237 226 115 233 176 215 38 46 98 98 99 325
25 149 295 95 196 170 273 25 36 115 108 83 235
26 125 347 81 436 155 365 32 27 113 125 75 175
27 121 428 161 780 219 407 24 29 102 146 67 149
28 117 348 108 638 333 449 20 23 88 148 63 136
29 135 555 98 359 447 442 20 70 72 194 67 134
30 100   98 255 416 418 21 39 59 181 100 143
31 87   131   448   18 24   152   187