78 HUDSON BASIN 01343060 NEAR WILMURT, NY (National streamflow information program station) LOCATION.--Lat 43°21'58", long 74°57'29", Herkimer County, Hydrologic Unit 02020004, on right bank 15 ft downstream from bridge on State Highway 8, 2.6 mi southwest of Wilmurt, and about 3.0 mi upstream from Hinckley Reservoir. DRAINAGE AREA.--258 mi2. PERIOD OF RECORD.--April 2001 (maximum only), June 2001 to current year. GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 1,257.97 ft above NGVD of 1929. REMARKS.--Records good except those for estimated daily discharges, which are poor. Satellite and telephone gage-height telemeter at station. EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 15,000 ft3/s, Apr. 14, 2002, gage height, 11.82 ft; minimum, 34 ft3/s, Sept. 14, 2002, gage height, 2.23 ft. EXTREMES FOR CURRENT YEAR.--Peak discharges greater than base discharge of 6,500 ft3/s and maximum (*):

Discharge Gage height Discharge Gage height Date Time (ft3/s) (ft) Date Time (ft3/s) (ft) May 24 1130 *12,500 *10.94 No other peak greater than base discharge. Minimum discharge, 101 ft3/s, June 28, gage height, 2.64 ft.

DISCHARGE, CUBIC FEET PER SECOND WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 850 1,130 1,210 748 e240 184 2,510 581 579 112 1,210 854 2 677 938 e780 640 e230 203 3,810 609 750 157 801 570 3 621 1,550 e640 844 e240 400 2,750 909 589 134 483 403 4 1,440 1,540 e500 1,370 e240 478 2,080 889 469 114 450 319 5 2,920 1,230 e470 1,140 e250 419 1,550 763 372 114 399 268 6 2,070 1,010 e450 850 e250 653 1,120 729 312 122 304 238 7 1,330 825 e440 e560 e260 958 942 649 279 111 245 214 8 901 691 e420 e500 e250 822 783 540 250 196 294 202 9 687 580 416 e460 e250 615 789 484 221 194 266 631 10 555 510 428 e430 e240 487 869 513 220 163 238 1,450 11 466 473 1,410 e410 e230 417 841 531 201 133 711 1,010 12 403 517 3,400 e390 e220 380 850 443 175 113 459 673 13 361 916 e1,200 e370 e210 345 1,120 395 158 116 1,480 463 14 324 1,070 1,020 e360 e200 313 4,910 623 148 119 1,480 339 15 2,280 791 766 e350 e200 e300 3,050 539 266 162 899 272 16 4,270 670 e680 e340 e190 282 2,030 463 239 390 639 236 17 2,120 604 e640 e330 e180 269 1,740 380 179 573 583 224 18 1,280 649 e600 e320 e180 263 2,140 352 170 548 459 812 19 926 1,320 e560 e320 e180 250 2,400 512 158 333 369 863 20 760 4,900 514 e310 e180 247 2,820 460 137 239 395 552 21 913 2,700 453 e300 e180 e240 1,960 422 124 192 817 401 22 1,070 1,580 427 e290 e170 e240 1,780 366 136 160 1,180 316 23 833 1,080 432 e280 e160 235 1,510 896 188 194 760 261 24 672 826 709 e270 e160 233 1,140 8,750 152 294 525 222 25 567 745 2,440 e270 e160 268 913 5,510 126 201 379 201 26 529 642 1,680 e260 e150 361 1,570 2,600 121 156 305 190 27 2,220 566 1,190 e250 e150 e2,500 1,440 1,590 112 640 257 176 28 4,280 612 835 e240 e160 3,870 1,080 1,130 103 1,390 300 166 29 2,750 2,230 687 e240 e170 3,030 837 847 108 828 521 159 30 2,560 1,780 763 e240 --- 2,570 682 647 116 496 2,300 150 31 1,610 --- 915 e240 --- 2,370 --- 499 --- 639 1,410 --- TOTAL 43,245 34,675 27,075 13,922 5,880 24,202 52,016 34,621 7,158 9,333 20,918 12,835 MEAN 1,395 1,156 873 449 203 781 1,734 1,117 239 301 675 428 MAX 4,280 4,900 3,400 1,370 260 3,870 4,910 8,750 750 1,390 2,300 1,450 MIN 324 473 416 240 150 184 682 352 103 111 238 150 CFSM 5.41 4.48 3.39 1.74 0.79 3.03 6.72 4.33 0.92 1.17 2.62 1.66 IN. 6.24 5.00 3.90 2.01 0.85 3.49 7.50 4.99 1.03 1.35 3.02 1.85 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 2001 - 2004, BY WATER YEAR (WY) MEAN 730 753 586 340 375 964 1,935 1,049 463 243 325 289 MAX 1,395 1,156 873 449 660 1,150 2,480 1,117 714 369 675 433 (WY) (2004) (2004) (2004) (2004) (2002) (2003) (2002) (2004) (2002) (2003) (2004) (2003) MIN 216 425 398 260 203 781 1,590 976 239 102 49.3 144 (WY) (2002) (2002) (2003) (2002) (2004) (2004) (2003) (2002) (2004) (2002) (2002) (2001) BASIN 79 01343060 WEST CANADA CREEK NEAR WILMURT, NY—Continued

SUMMARY STATISTICS FOR 2003 CALENDAR YEAR FOR 2004 WATER YEAR WATER YEARS 2001 - 2004 ANNUAL TOTAL 290,560 285,880 ANNUAL MEAN 796 781 683 HIGHEST ANNUAL MEAN 781 2004 LOWEST ANNUAL MEAN 620 2002 HIGHEST DAILY MEAN 4,900 Nov 20 8,750 May 24 10,800 Apr 14, 2002 LOWEST DAILY MEAN 78 Jul 7 103 Jun 28 35 Sep 13, 2002 ANNUAL SEVEN-DAY MINIMUM 83 Jul 4 114 Jun 25 37 Sep 8, 2002 ANNUAL RUNOFF (CFSM) 3.09 3.03 2.65 ANNUAL RUNOFF (INCHES) 41.89 41.22 35.95 10 PERCENT EXCEEDS 1,970 1,750 1,510 50 PERCENT EXCEEDS 481 484 396 90 PERCENT EXCEEDS 169 165 112

e Estimated

15000

10000

5000

2000

1000

500 DISCHARGE, IN CUBIC FEET PER SECOND

200

100 Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep 2004

CURRENT WATER YEAR DAILY MEAN DISCHARGE.