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USGS Surface-Water 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 08164450 Sandy Ck nr Ganado, TX


Jackson County, Texas
Hydrologic Unit Code 12100102
Latitude  29°09'36", Longitude  96°32'46" NAD27
Drainage area 289  square miles
Contributing drainage area 289  square miles
Gage datum 58.66 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 1978-10-01 -> 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
1 160 149 166 77 194 265 202 52 420 131 169 61
2 133 135 114 97 388 223 242 46 308 99 191 82
3 102 147 152 181 363 264 265 59 191 81 143 176
4 97 253 125 247 288 338 197 50 152 89 193 180
5 97 312 149 409 274 301 201 40 138 124 242 101
6 120 255 113 338 263 222 248 33 112 115 246 75
7 148 178 121 226 283 187 198 29 131 138 183 49
8 148 119 147 243 174 162 207 27 154 136 116 119
9 127 104 97 214 177 230 233 28 125 145 78 157
10 162 113 202 134 210 261 272 29 167 188 62 148
11 199 231 235 161 247 266 217 28 147 186 50 98
12 197 405 245 195 206 398 150 27 138 222 159 135
13 255 322 277 144 198 459 135 29 141 234 340 184
14 207 176 265 93 406 420 127 34 127 345 398 162
15 144 145 324 105 485 295 174 30 149 266 295 116
16 182 191 226 53 453 227 243 32 159 228 178 146
17 194 178 274 70 432 305 259 46 150 244 150 122
18 205 125 265 345 430 421 185 55 125 610 228 119
19 322 114 210 509 367 437 154 50 162 1,530 219 106
20 381 90 204 487 352 350 158 36 280 799 207 78
21 512 254 264 411 257 358 167 29 291 398 352 78
22 418 272 213 259 263 374 150 31 245 295 489 173
23 323 232 180 150 226 379 135 36 267 208 458 228
24 280 171 162 89 266 332 121 39 259 182 456 189
25 343 222 91 94 255 297 109 50 177 189 315 130
26 307 258 92 120 215 379 124 68 118 213 179 80
27 231 316 54 125 223 295 160 122 80 171 136 102
28 211 206 70 121 233 206 143 231 73 130 131 107
29 154 66 119 98 236 177 115 459 78 126 112 74
30 177   108 84 237 190 89 427 123 90 97 58
31 129   86   295   69 349   85   110