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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 -> 2020-09-30)

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
1 220 280 356 384 306 203 148 105 87 175 142 473
2 207 261 392 374 313 187 197 95 86 127 114 384
3 252 339 468 346 385 255 312 94 82 140 108 290
4 462 516 645 367 346 231 474 109 76 202 103 228
5 251 404 599 353 375 406 262 105 150 152 107 391
6 217 377 522 349 364 321 212 134 463 115 113 223
7 237 393 464 333 438 267 204 103 197 111 114 280
8 408 311 382 326 399 307 172 94 234 197 142 281
9 289 367 375 400 365 369 159 102 132 151 152 356
10 243 311 376 442 312 357 137 100 94 120 143 283
11 223 434 390 503 300 322 158 95 88 367 157 281
12 288 390 334 400 272 310 149 158 82 272 414 225
13 258 321 442 411 289 257 140 166 82 145 259 267
14 353 316 347 384 274 208 138 104 78 126 176 283
15 515 303 364 395 414 214 138 89 80 152 177 270
16 440 391 395 500 415 262 133 110 110 126 256 263
17 321 482 412 443 372 271 123 198 333 111 238 247
18 354 463 393 497 438 242 126 148 170 103 178 233
19 559 408 408 414 460 258 113 111 169 96 318 212
20 373 407 533 594 319 229 106 101 112 106 230 208
21 300 501 734 634 262 179 103 89 92 103 164 250
22 275 892 538 639 299 157 111 94 90 94 159 234
23 416 905 459 393 318 163 122 83 217 92 197 289
24 394 725 610 520 274 169 116 84 114 108 196 302
25 497 522 461 518 296 147 103 81 94 94 248 309
26 338 484 415 408 292 246 101 79 92 97 216 304
27 351 398 444 363 304 449 103 79 143 110 220 247
28 370 344 691 394 315 267 117 90 576 140 199 276
29 342 323 632 363 291 210 115 80 519 147 311 304
30 316   551 317 233 151 116 71 354 122 226 253
31 550   422   216   106 76   120   215