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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 02054530 ROANOKE RIVER AT GLENVAR, VA


Roanoke County, Virginia
Hydrologic Unit Code 03010101
Latitude  37°16'04", Longitude  80°08'23" NAD27
Drainage area 281  square miles
Gage datum 1,100 feet above NGVD29
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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 1991-10-01 -> 2019-09-30)

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
1 220 280 356 391 307 206 149 104 88 180 103 473
2 207 261 392 381 316 190 200 95 88 130 106 384
3 252 339 468 352 390 260 319 94 83 144 104 290
4 462 516 645 374 348 236 487 109 77 208 101 228
5 251 404 599 358 378 417 263 106 154 156 107 391
6 217 377 522 352 367 329 213 135 479 118 113 223
7 237 393 464 337 445 271 206 104 203 114 114 280
8 408 311 382 330 405 248 170 95 241 202 142 281
9 289 367 375 402 369 272 159 102 135 155 152 356
10 243 311 376 449 316 317 137 100 95 122 143 283
11 223 434 390 513 303 274 158 96 89 378 157 281
12 288 390 327 406 272 294 150 161 83 280 414 225
13 258 321 440 409 289 248 141 169 83 149 259 267
14 353 316 342 380 275 202 140 105 79 128 176 283
15 515 303 361 348 421 211 136 90 80 156 177 270
16 440 391 394 482 423 262 122 112 112 129 256 263
17 321 482 414 436 379 272 122 203 343 111 238 247
18 354 463 395 496 447 242 127 151 175 105 178 233
19 559 408 411 393 470 257 111 112 173 97 318 212
20 373 407 541 522 325 229 106 102 114 101 230 208
21 300 501 750 610 266 178 100 89 93 101 164 250
22 275 892 547 632 305 156 107 95 91 94 159 234
23 416 905 465 384 324 163 109 83 223 90 197 289
24 394 725 623 520 279 170 105 84 116 109 196 302
25 497 522 468 520 302 146 99 81 96 94 248 309
26 338 484 420 408 298 250 99 79 94 98 216 304
27 351 398 451 362 310 461 102 80 147 107 220 247
28 370 344 708 396 322 272 118 91 595 137 199 276
29 342 323 646 365 298 213 116 80 537 149 311 304
30 316   563 318 236 152 116 71 366 123 226 253
31 550   430   220   104 77   109   215