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USGS Daily Statistics for Virginia

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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 03170000 LITTLE RIVER AT GRAYSONTOWN, VA


Pulaski County, Virginia
Hydrologic Unit Code 05050001
Latitude  37°02'15", Longitude  80°33'25" NAD27
Drainage area 300  square miles
Contributing drainage area 300  square miles
Gage datum 1,815.6 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 1928-10-01 -> 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
1 407 409 535 535 456 366 261 243 283 363 282 400
2 389 454 489 505 436 340 290 225 229 408 289 329
3 422 471 469 487 452 350 320 231 209 273 278 321
4 424 503 513 505 456 357 331 253 213 280 308 367
5 356 446 510 569 462 399 329 235 248 261 351 367
6 372 469 531 499 468 350 294 231 350 261 288 315
7 393 508 569 489 465 340 286 238 284 232 298 374
8 421 448 476 502 441 343 267 230 259 277 300 378
9 420 439 479 539 425 379 264 248 210 298 274 327
10 404 427 483 583 398 392 277 229 211 268 321 327
11 349 484 485 483 399 371 294 231 225 297 300 370
12 374 446 484 490 427 356 278 227 194 282 428 358
13 346 508 542 544 419 340 275 262 195 240 331 328
14 379 591 548 519 403 361 277 298 200 237 287 346
15 414 480 514 529 411 337 291 313 205 254 281 345
16 402 494 464 575 456 340 275 302 244 258 335 343
17 356 481 547 511 431 416 260 283 355 374 294 318
18 371 481 538 463 402 422 245 310 346 314 289 313
19 453 444 518 448 394 348 240 298 276 342 325 305
20 425 443 518 524 403 355 246 234 223 330 332 295
21 421 489 564 476 473 444 268 221 228 299 274 363
22 426 541 528 483 427 359 248 237 365 353 280 323
23 432 552 516 446 389 320 259 220 298 285 287 341
24 405 544 619 521 406 293 256 224 211 292 307 349
25 480 532 547 526 415 285 240 230 203 274 312 346
26 486 498 532 493 379 323 245 226 213 299 313 351
27 413 461 518 490 399 328 261 200 283 294 304 355
28 404 454 569 509 492 309 263 208 381 288 303 367
29 382 421 548 474 447 284 256 255 360 297 403 433
30 385   552 452 424 279 256 224 448 260 344 405
31 443   525   405   259 289   267   383