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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 01573208 Swatara Creek near Palmyra, PA


Dauphin County, Pennsylvania
Hydrologic Unit Code 02050305
Latitude  40°19'20.06", Longitude  76°37'45.82" NAD83
Drainage area 437  square miles
Gage datum 335 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 2022-10-01 -> 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
1 729 772 805 562 1,100 1,490 304 231 141 241 148 249
2 657 710 797 1,050 726 833 358 179 121 216 137 245
3 726 630 989 2,310 576 650 501 270 111 194 127 261
4 898 534 1,500 2,960 667 546 414 273 106 179 123 353
5 682 516 1,270 1,620 850 475 312 201 99 169 120 304
6 613 498 1,760 1,160 713 587 276 201 97 170 119 263
7 666 483 1,370 943 868 492 254 634 113 208 119 484
8 667 460 1,070 801 676 423 226 442 154 424 117 435
9 874 435 1,040 700 988 412 275 611 155 267 114 382
10 3,080 421 2,010 624 1,400 710 900 1,340 151 219 110 372
11 2,100 406 1,360 583 1,120 618 397 560 303 194 116 1,030
12 1,120 385 1,060 888 850 489 310 374 215 178 120 1,410
13 1,680 466 901 952 792 1,270 259 473 175 166 118 805
14 1,330 594 788 753 1,500 497 228 370 165 180 110 589
15 977 499 710 769 1,600 365 204 391 136 438 106 562
16 837 561 645 667 1,270 302 240 476 122 361 104 1,200
17 737 973 720 579 1,450 287 264 335 124 270 101 1,140
18 646 671 669 540 977 257 246 352 247 233 99 2,910
19 636 495 570 494 796 216 234 402 226 210 96 3,130
20 750 432 523 465 663 197 191 290 164 196 94 1,330
21 595 420 507 425 583 180 276 242 140 214 141 988
22 525 429 474 402 663 176 256 210 164 202 1,110 816
23 593 498 715 410 695 189 227 191 168 171 673 1,780
24 625 561 1,020 387 631 206 242 174 421 155 408 1,490
25 744 510 717 350 506 206 501 189 1,010 144 312 984
26 1,150 475 648 344 492 184 400 203 593 139 269 793
27 1,080 473 585 359 433 558 281 174 425 132 347 709
28 1,330 666 569 335 442 532 234 158 331 129 371 920
29 1,350 2,170 514 372 531 331 215 144 285 129 366 774
30 1,020   472 627 452 362 200 146 265 139 293 710
31 865   463   2,150   192 153   157   656