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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 01417500 EAST BRANCH DELAWARE RIVER AT HARVARD NY


Delaware County, New York
Hydrologic Unit Code 02040102
Latitude  42°01'28.5", Longitude  75°07'09.4" NAD83
Drainage area 458  square miles
Gage datum 1,006.86 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 1954-10-01 -> 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
1 372 327 324 907 790 432 354 239 317 398 421 430
2 391 340 312 939 831 393 340 235 328 347 389 577
3 363 364 305 1,120 782 359 338 227 336 322 378 547
4 346 365 315 1,070 717 320 348 257 381 319 350 475
5 338 330 425 1,050 659 282 336 255 390 319 338 424
6 340 318 536 918 634 296 309 244 408 323 358 380
7 340 315 491 889 569 329 272 267 508 306 342 360
8 344 328 483 1,000 489 332 265 272 586 281 322 341
9 441 321 553 895 453 320 298 332 518 287 372 321
10 457 315 563 798 437 321 273 342 406 284 420 328
11 391 363 566 763 484 338 260 303 356 275 475 365
12 392 333 531 783 534 360 249 299 328 276 470 404
13 395 296 499 811 531 389 268 313 340 274 434 405
14 467 298 470 787 527 417 271 322 318 277 404 396
15 470 319 517 851 512 457 260 350 314 282 380 406
16 405 310 440 1,030 512 437 270 362 309 316 376 391
17 362 285 393 1,250 522 389 275 363 298 339 426 381
18 389 296 395 1,130 498 369 297 457 494 321 390 429
19 527 310 404 964 489 354 295 465 512 342 372 422
20 442 309 456 861 492 334 277 377 408 350 432 425
21 368 296 493 798 472 352 273 341 313 367 435 440
22 364 286 506 733 444 351 253 321 303 335 397 412
23 339 292 528 733 417 342 250 316 309 319 398 390
24 363 298 580 712 436 330 261 301 314 319 357 447
25 399 360 566 714 453 318 258 292 306 329 341 569
26 459 401 571 736 442 390 241 288 309 346 356 491
27 510 351 600 766 417 529 267 283 337 350 436 423
28 447 345 593 770 397 632 277 337 368 441 452 392
29 391 411 696 779 470 511 263 484 381 485 441 376
30 361   789 773 548 384 253 415 362 523 416 381
31 344   849   486   246 353   451   376