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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 08019500 Big Sandy Ck nr Big Sandy, TX


Upshur County, Texas
Hydrologic Unit Code 12010002
Latitude  32°36'14", Longitude  95°05'29" NAD27
Drainage area 231  square miles
Contributing drainage area 231  square miles
Gage datum 278.66 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 1962-10-01 -> 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
1 216 201 298 313 339 192 113 52 24 40 123 173
2 209 204 303 296 353 211 132 58 25 36 119 176
3 210 214 289 264 345 219 133 50 27 32 131 175
4 222 241 286 241 496 225 119 40 28 35 128 175
5 237 241 291 267 543 210 111 37 31 44 124 229
6 249 253 294 248 453 206 114 39 37 45 119 192
7 249 249 292 253 343 205 103 43 34 54 183 160
8 219 234 290 251 284 208 110 38 31 52 138 149
9 209 238 331 241 296 190 97 35 29 52 108 158
10 214 224 380 227 354 172 80 32 29 55 105 167
11 210 225 417 215 349 169 71 31 30 52 103 170
12 218 263 402 209 304 162 64 31 33 53 104 178
13 216 293 368 224 268 146 57 31 39 59 124 207
14 219 333 361 237 247 137 53 30 55 72 122 246
15 214 326 353 228 225 124 54 29 57 88 109 338
16 208 296 347 280 204 140 60 28 59 100 107 299
17 202 254 335 290 214 133 115 27 61 82 104 307
18 196 234 334 297 271 122 106 27 68 75 108 334
19 200 235 320 256 316 113 91 27 61 70 104 304
20 203 239 341 237 295 119 83 28 60 78 100 234
21 205 261 362 213 234 134 71 27 77 86 98 199
22 216 280 361 207 218 142 63 29 72 125 103 195
23 222 322 352 241 201 129 53 31 77 109 110 193
24 214 336 316 330 213 105 45 31 75 103 133 212
25 211 390 308 347 186 87 41 29 62 106 146 212
26 198 392 306 370 167 80 40 27 53 94 169 218
27 199 324 303 320 160 92 53 25 47 91 171 264
28 193 292 288 326 151 93 53 23 43 92 157 322
29 195 190 277 381 159 100 42 23 41 97 163 405
30 200   294 352 157 104 36 25 42 95 161 313
31 200   314   173   38 25   105   246