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USGS Surface-Water 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 01075000 PEMIGEWASSET RIVER AT WOODSTOCK, NH


Grafton County, New Hampshire
Hydrologic Unit Code 01070001
Latitude  43°58'34", Longitude  71°40'48" NAD27
Drainage area 193  square miles
Gage datum 616.10 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 1939-10-01 -> 2025-09-30)

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
1 370 227 219 1,000 1,820 761 505 277 346 454 675 647
2 361 229 241 946 1,750 788 547 264 293 452 572 550
3 325 329 221 1,040 1,900 774 410 346 225 351 785 506
4 294 282 229 942 1,810 607 366 294 223 317 578 448
5 283 260 275 945 1,700 545 368 324 193 263 572 495
6 361 234 346 835 1,510 576 331 283 206 310 543 492
7 306 216 416 851 1,470 510 281 236 220 390 565 595
8 263 235 325 927 1,470 475 271 263 206 423 613 502
9 297 220 367 803 1,510 438 347 288 205 465 691 478
10 315 202 369 847 1,460 473 359 442 221 353 495 502
11 323 231 344 962 1,320 493 347 366 310 367 531 619
12 412 226 321 1,230 1,450 481 319 283 291 308 535 622
13 437 207 388 1,240 1,380 497 331 269 265 318 502 560
14 376 193 448 1,520 1,300 454 348 289 269 365 494 473
15 314 184 410 1,590 1,310 523 311 230 245 452 571 438
16 272 188 365 1,550 1,350 455 292 234 209 547 553 377
17 243 210 402 1,500 1,500 478 275 269 198 518 587 371
18 280 214 506 1,550 1,310 413 295 234 204 405 475 721
19 288 212 436 1,520 1,280 409 343 199 306 363 445 442
20 261 189 475 1,730 1,310 374 324 187 272 476 652 390
21 241 205 492 1,710 1,170 373 274 188 233 500 585 798
22 268 261 502 1,610 1,070 355 271 254 243 392 510 559
23 317 272 498 1,900 941 347 347 220 271 355 468 498
24 330 233 498 1,790 916 363 350 207 301 670 446 526
25 392 335 511 1,620 835 411 299 177 286 603 550 636
26 347 313 571 1,640 858 504 289 182 262 579 663 476
27 271 267 765 1,570 819 398 236 154 356 592 553 529
28 263 240 734 1,660 791 445 261 435 311 588 620 481
29 240 252 731 1,770 770 466 322 300 333 538 594 397
30 216   782 1,680 744 677 370 228 473 773 658 397
31 273   818   646   287 299   598   415