13190500 SOUTH FORK BOISE RIVER at ANDERSON RANCH DAM, ID Middle Snake-Boise Basin South Fork Boise Subbasin
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Water-Data Report 2011 13190500 SOUTH FORK BOISE RIVER AT ANDERSON RANCH DAM, ID Middle Snake-Boise Basin South Fork Boise Subbasin LOCATION.--Lat 43°20′37″, long 115°28′39″ referenced to North American Datum of 1983, in SW ¼ sec.11, T.1 S., R.8 E., Elmore County, ID, Hydrologic Unit 17050113, Anderson Ranch Dam quad., Boise National Forest, on right bank 600 ft upstream from Dixie Creek, 1.8 mi downstream from Anderson Ranch Dam, 2.2 mi northwest of Bennett, and at mile 41.5. DRAINAGE AREA.--978 mi². SURFACE-WATER RECORDS PERIOD OF RECORD.--April 1943 to current year (includes flow of Dixie Creek prior to October 1946). REVISED RECORDS.--WDR-US-2010: Drainage area. GAGE.--Water-stage recorder. Datum of gage is 3,830.0 ft above NGVD of 1929. REMARKS.--No estimated daily discharges. Records good. Station equipment includes satellite telemetry. Flow regulated by Anderson Ranch Reservoir, 1.8 mi upstream (see station 13190000) beginning Dec. 15, 1945. Flow of Little Camas Creek is stored in Little Camas Reservoir, capacity, 22,300 acre- ft, no spill most years, and diverted out of basin through Little Camas Canal for irrigation of about 5,000 acres (1966 determination). EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 9,850 ft³/s May 25, 1956, gage height, 10.56 ft; minimum, 0.10 ft³/s Nov. 13, 1959; minimum gage height, 0.99 ft, Feb. 16, 1950. EXTREMES FOR CURRENT YEAR.--Maximum discharge, 3,980 ft³/s May 20 and June 6, gage height, 7.25 ft; minimum, 278 ft³/s Nov. 3, gage height 2.85. U.S. Department of the Interior Suggested citation: U.S. Geological Survey, 2012, Water-resources data for the United States, Water U.S. Geological Survey Year 2011: U.S. Geological Survey Water-Data Report WDR-US-2011, site 13190500, accessed at http://wdr.water.usgs.gov/wy2011/pdfs/13190500.2011.pdf Water-Data Report 2011 13190500 SOUTH FORK BOISE RIVER AT ANDERSON RANCH DAM, ID—Continued DISCHARGE, CUBIC FEET PER SECOND WATER YEAR OCTOBER 2010 TO SEPTEMBER 2011 DAILY MEAN VALUES Day Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep 1 301 310 307 307 308 305 572 2,170 3,920 1,930 1,610 598 2 303 304 307 305 306 306 592 2,170 3,920 1,920 1,610 600 3 306 304 307 308 307 305 583 2,170 3,910 1,920 1,610 595 4 308 312 307 314 305 307 619 2,170 3,910 1,900 1,630 592 5 301 312 307 313 303 304 567 2,170 3,910 1,910 1,640 595 6 298 311 307 310 301 306 1,020 2,170 3,950 1,910 1,640 591 7 304 313 307 306 300 306 1,460 2,180 3,950 1,900 1,640 591 8 301 311 307 304 304 306 1,470 2,170 3,740 1,920 1,630 598 9 297 308 313 303 304 306 1,470 2,260 3,470 1,910 1,640 600 10 302 308 311 305 303 306 1,470 2,850 3,470 1,920 1,650 600 11 300 307 311 308 306 309 1,470 2,930 3,470 1,800 1,650 599 12 297 307 311 307 307 307 1,490 3,330 3,450 1,620 1,650 599 13 302 307 311 307 306 304 1,470 3,330 3,200 1,570 1,660 599 14 305 308 304 306 306 303 1,590 3,330 2,750 1,600 1,660 597 15 307 307 307 304 305 301 1,770 3,340 2,210 1,610 1,310 336 16 306 307 306 305 303 305 1,770 3,390 1,900 1,630 1,030 298 17 306 305 300 307 303 304 1,770 3,430 1,910 1,600 843 301 18 303 305 299 306 303 306 1,990 3,430 1,910 1,610 633 302 19 301 304 302 308 303 306 2,170 3,520 1,920 1,600 619 296 20 308 304 304 307 305 303 2,160 3,940 2,190 1,610 618 300 21 301 304 303 304 305 307 2,150 3,950 2,330 1,600 616 302 22 304 305 304 306 307 302 2,130 3,940 1,910 1,600 615 303 23 305 304 309 302 305 303 2,140 3,940 1,930 1,600 616 302 24 309 305 309 303 305 305 2,160 3,940 1,920 1,610 616 300 25 304 306 307 304 305 305 2,170 3,950 1,910 1,610 618 302 26 303 306 309 306 304 306 2,170 3,940 1,910 1,610 607 299 27 301 307 307 306 306 305 2,160 3,940 1,900 1,610 597 300 28 305 307 302 301 307 306 2,160 3,940 1,900 1,610 596 300 29 311 307 301 304 --- 307 2,180 3,940 1,910 1,610 593 299 30 308 307 304 307 --- 307 2,180 3,940 1,930 1,610 598 297 31 308 --- 303 306 --- 307 --- 3,930 --- 1,610 597 --- Total 9,415 9,212 9,493 9,489 8,532 9,465 49,073 99,800 82,610 53,070 34,642 13,191 Mean 304 307 306 306 305 305 1,636 3,219 2,754 1,712 1,117 440 Max 311 313 313 314 308 309 2,180 3,950 3,950 1,930 1,660 600 Min 297 304 299 301 300 301 567 2,170 1,900 1,570 593 296 Ac-ft 18,670 18,270 18,830 18,820 16,920 18,770 97,340 198,000 163,900 105,300 68,710 26,160 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1943 - 2011, BY WATER YEAR (WY) Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Mean 377 390 487 513 561 639 1,071 2,007 2,251 1,522 1,096 605 Max 1,183 1,504 1,556 1,531 3,002 2,996 3,795 4,820 5,171 2,546 1,865 1,741 (WY) (1953) (1984) (1984) (1984) (1997) (1997) (1946) (1943) (1983) (1950) (2008) (1952) Min 1.46 1.32 1.26 1.30 1.57 3.19 5.84 3.37 572 628 62.6 41.7 (WY) (1949) (1949) (1950) (1949) (1950) (1950) (1962) (1962) (1955) (1944) (1950) (1949) — 2 — Water-Data Report 2011 13190500 SOUTH FORK BOISE RIVER AT ANDERSON RANCH DAM, ID—Continued SUMMARY STATISTICS Calendar Year 2010 Water Year 2011 Water Years 1943 - 2011 Annual total 270,464 387,992 Annual mean 741 1,063 956 Highest annual mean 1,735 1997 Lowest annual mean 411 1992 Highest daily mean 3,120 Jun 16 3,950 May 21 9,770 May 25, 1956 Lowest daily mean 284 Feb 10 296 Sep 19 0.70 Sep 21, 1950 Annual seven-day minimum 287 Feb 6 300 Sep 24 0.76 Sep 18, 1950 Annual runoff (ac-ft) 536,500 769,600 692,800 10 percent exceeds 1,800 2,500 2,030 50 percent exceeds 308 310 597 90 percent exceeds 289 302 205 10,000 5,000 2,000 FEET PER SECOND 1,000 500 MEAN DISCHARGE, CUBIC 200 100 O N D J F M A M J J A S 2010 2011 — 3 — .