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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 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 1,063.84 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 1991-10-01 -> 2022-09-30)

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
1 218 280 404 410 345 217 152 106 106 176 153 485
2 223 260 422 389 328 198 204 96 98 129 124 390
3 271 331 476 356 383 259 306 104 87 140 115 288
4 457 541 627 369 346 235 454 114 80 198 109 228
5 257 423 578 353 370 398 256 107 148 150 112 423
6 223 453 505 360 357 324 209 140 440 117 116 246
7 239 593 449 350 424 267 201 107 191 112 116 284
8 391 378 374 337 389 303 171 96 225 191 140 279
9 283 389 373 399 355 361 159 102 129 148 149 343
10 242 328 374 433 305 349 139 100 94 119 141 277
11 225 449 383 511 292 320 162 95 88 353 206 274
12 324 421 332 402 266 317 150 154 83 269 730 223
13 271 365 432 608 281 258 141 165 83 147 347 260
14 348 367 346 445 270 222 138 129 79 128 213 313
15 491 345 361 419 396 227 137 104 80 151 196 309
16 420 446 389 499 397 266 132 139 108 127 260 283
17 311 507 404 440 360 420 123 203 317 111 238 266
18 339 483 385 487 422 446 126 153 171 104 181 248
19 523 430 405 413 448 317 113 115 167 97 305 223
20 354 423 516 573 481 264 106 107 111 106 225 215
21 288 497 697 606 662 203 103 95 92 104 165 250
22 265 847 518 608 571 175 111 98 130 95 159 233
23 391 861 446 384 398 177 121 91 223 93 193 281
24 372 717 591 500 316 180 115 96 118 107 194 293
25 490 555 501 499 329 156 103 87 98 95 239 307
26 425 496 443 403 313 247 101 83 104 98 209 299
27 386 413 454 360 319 435 104 83 145 110 212 245
28 385 387 688 384 432 265 116 92 547 137 193 270
29 348 314 638 355 339 211 114 82 494 201 293 296
30 318   547 395 264 154 115 75 348 170 224 249
31 527   429   236   110 83   138   214