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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 -> 2024-09-30)

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
1 219 284 401 407 351 228 149 104 104 182 151 474
2 223 265 418 388 331 206 198 95 96 137 123 382
3 269 334 470 354 382 260 294 103 86 142 114 284
4 449 535 642 366 344 235 433 112 80 194 108 227
5 255 420 579 350 367 386 246 105 150 147 111 415
6 222 449 504 355 353 316 203 147 425 115 115 243
7 237 584 448 346 417 261 194 115 186 110 116 292
8 385 375 373 336 383 295 166 99 217 184 139 287
9 283 385 371 395 349 348 156 103 131 144 147 348
10 243 325 373 427 301 336 138 99 100 116 139 284
11 226 442 380 502 288 309 160 96 92 335 211 279
12 321 443 331 396 262 305 147 150 87 257 740 227
13 278 461 427 596 277 250 138 160 85 142 351 261
14 355 395 343 438 266 216 147 126 81 124 215 312
15 489 359 358 414 388 221 144 103 81 146 199 314
16 419 451 384 490 389 256 137 137 107 123 277 295
17 313 522 398 434 351 402 124 195 302 110 245 274
18 340 498 380 479 406 425 126 149 165 104 186 254
19 518 439 399 407 430 304 117 113 161 96 303 227
20 353 429 506 561 460 261 110 105 109 105 224 218
21 288 498 681 593 629 204 107 93 91 103 165 250
22 265 834 508 595 544 184 113 100 126 94 159 240
23 387 846 438 378 383 193 122 91 214 92 192 303
24 368 706 578 489 378 194 115 95 116 106 193 304
25 484 548 491 489 348 162 103 86 97 94 236 312
26 428 490 434 395 317 244 100 83 102 97 206 301
27 387 409 445 353 360 418 103 85 141 108 209 248
28 385 385 672 414 476 257 115 96 517 135 191 270
29 348 314 624 382 405 206 113 84 468 197 287 294
30 319   535 405 306 152 113 76 330 167 221 248
31 521   420   255   108 83   135   214