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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 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
1 177 75 251 72 225 597 339 46 41 46 176 100
2 115 80 244 66 173 682 220 59 28 39 173 81
3 98 121 246 86 202 603 200 37 29 46 179 66
4 86 222 241 190 221 570 243 22 29 60 148 55
5 76 234 266 161 278 588 180 21 30 53 90 50
6 69 242 273 131 275 705 131 18 30 49 95 42
7 58 203 236 137 208 553 180 14 26 81 79 42
8 52 147 194 120 196 478 393 13 31 80 74 39
9 50 117 186 94 292 429 651 17 46 160 71 40
10 54 98 169 83 287 355 541 142 40 179 117 39
11 52 86 170 81 307 470 389 153 26 104 114 34
12 46 74 166 79 369 299 215 89 22 101 96 32
13 43 72 160 71 458 229 154 66 16 178 79 36
14 40 67 138 63 489 249 123 50 52 116 66 44
15 36 65 120 60 489 242 100 40 35 111 58 40
16 35 71 212 94 361 235 89 46 32 158 83 46
17 35 68 181 97 279 298 70 40 71 138 152 45
18 37 87 172 116 200 271 62 31 51 152 198 40
19 56 91 155 119 178 161 48 27 56 88 233 49
20 120 136 212 138 184 164 38 123 124 111 201 221
21 143 171 244 192 184 126 33 97 173 160 128 343
22 191 165 171 219 189 121 30 92 131 137 106 564
23 262 232 138 231 175 200 31 60 87 105 115 470
24 241 230 117 233 176 215 38 46 98 98 96 331
25 152 300 96 196 170 273 25 36 115 108 81 239
26 128 353 81 436 155 365 32 27 113 125 74 178
27 123 435 161 780 219 407 24 29 102 146 66 151
28 119 354 108 638 333 449 20 23 88 148 62 139
29 137 555 98 359 447 442 20 70 72 194 68 137
30 101   98 255 416 418 21 39 59 181 101 146
31 88   131   448   18 24   152   190