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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 02054500 ROANOKE RIVER AT LAFAYETTE, VA


Montgomery County, Virginia
Hydrologic Unit Code 03010101
Latitude  37°14'11", Longitude  80°12'34" NAD27
Drainage area 254  square miles
Gage datum 1,174.47 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 75 - 76 years of record in, ft3/s   (Calculation Period 1943-10-01 -> 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
1 305 286 450 429 325 211 121 100 131 168 129 264
2 271 357 377 393 334 193 139 95 84 143 140 224
3 270 386 370 378 353 205 169 94 81 122 169 213
4 318 402 428 404 354 191 199 176 76 125 227 272
5 242 335 427 488 335 225 154 140 125 113 196 270
6 242 357 435 390 361 200 138 116 207 100 165 199
7 271 370 455 416 378 212 131 99 124 97 188 251
8 317 328 379 429 358 185 117 94 129 139 171 232
9 274 337 356 458 328 188 116 99 90 173 145 242
10 248 327 375 486 301 202 114 113 103 144 170 236
11 249 385 355 405 291 187 122 109 85 196 150 253
12 275 325 368 387 268 181 144 134 82 143 220 241
13 231 367 418 425 281 187 140 112 84 117 172 238
14 257 410 467 460 263 196 136 92 83 112 156 219
15 329 323 431 415 302 185 137 82 78 142 143 240
16 289 324 396 503 302 212 131 90 111 110 193 237
17 237 371 448 412 275 225 128 121 182 110 165 215
18 259 404 464 375 284 189 111 167 204 126 147 227
19 320 365 465 326 284 182 101 104 137 183 193 201
20 326 354 459 341 265 181 105 104 108 159 180 185
21 307 378 543 364 240 316 103 91 103 142 147 220
22 322 465 483 344 240 194 100 93 218 125 146 220
23 326 475 478 316 241 162 97 97 161 149 158 226
24 309 459 543 422 241 148 93 99 102 152 176 236
25 362 450 455 441 277 134 89 99 89 166 192 241
26 369 421 463 459 225 161 92 92 94 170 187 239
27 321 364 446 418 227 203 105 81 117 141 180 226
28 319 346 479 408 317 151 109 89 221 145 205 228
29 328 422 476 335 284 156 108 98 225 131 253 277
30 299   503 300 272 135 107 75 286 114 200 272
31 357   460   253   105 98   121   274