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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 01625000 MIDDLE RIVER NEAR GROTTOES, VA


Augusta County, Virginia
Hydrologic Unit Code 02070005
Latitude  38°15'42", Longitude  78°51'44" NAD27
Drainage area 373  square miles
Gage datum 1,060.9 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 1927-10-01 -> 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
1 409 394 483 505 378 288 185 158 191 253 190 395
2 366 422 492 485 382 282 195 153 181 246 202 319
3 388 454 478 462 362 315 177 151 168 237 208 282
4 362 548 560 443 370 300 174 162 154 225 271 338
5 346 515 590 501 388 292 187 159 214 228 458 280
6 353 445 547 476 408 277 188 159 386 332 244 255
7 344 468 589 446 407 256 173 161 420 233 234 267
8 388 451 545 451 443 263 166 170 219 207 227 346
9 395 396 502 441 400 232 172 198 205 236 213 316
10 373 381 475 462 371 261 166 174 191 201 213 310
11 337 384 484 438 342 273 187 183 195 188 203 335
12 367 415 526 430 344 255 167 182 163 192 243 297
13 347 451 646 490 344 278 210 178 148 188 261 298
14 325 526 604 489 334 292 211 182 171 178 245 288
15 333 476 597 498 342 243 195 182 140 276 225 305
16 350 428 517 585 383 241 177 252 147 290 228 321
17 313 461 596 660 365 240 174 300 195 243 249 299
18 330 505 675 466 355 379 159 323 322 279 231 305
19 482 439 636 397 364 273 149 248 346 229 224 287
20 447 435 639 426 363 254 156 215 227 269 285 274
21 422 422 672 390 368 276 157 188 202 300 240 331
22 401 517 623 444 416 348 158 166 224 200 221 332
23 454 551 538 409 361 247 153 193 271 202 227 312
24 427 536 559 396 304 223 172 183 221 212 217 309
25 508 540 543 424 308 206 172 190 189 200 229 326
26 530 517 519 470 293 193 155 178 207 193 230 338
27 455 473 484 412 285 227 176 167 204 185 226 364
28 453 452 538 433 339 255 155 154 319 217 219 329
29 429 374 614 424 339 231 171 167 273 203 276 380
30 382   551 395 381 210 187 151 275 194 321 420
31 396   509   362   167 167   197   405