9531

• UCREFRP Catalog Number: 9531
• Author: Hudson, J. M. and J. A. Jackson.
• Title: Populaiton Estimates for Humpback Chub ‎(Gila cypha)‎ and Roundtail Chub ‎(gila robusta)‎ in Westwater Canyon, Colorado River, Utah, 1998-2000.
• USFW Year: 2003.
• USFW - Doc Type: Salt Lake City.
• Copyright Material: NO

~i
Appendix III Table 4. Mean daily discharge (cfs) of Colorado River near Colorado-Utah state line
(USGS gage #09163500) for Fall 1999. Westwater Canyon humpback chub
~ sampling dates are in bold.

Date Dischar a Date Discha e
9/ 1 /1999 5270 10/ 1 / 1999 6140
9/2/1999 5730 10/2/1999 6630
9/3/ 1999 6200 10/3/1999 7260
9/4/1999 6830 10/4/1999 7870
9/5/1999 6780 10/5/1999 8010
9/6/ 1999 6640 10/6/1999 7300
9/7/1999 6140 10/7/1999 6600
9/8/1999 5800 10/8/1999 6420
9/9/1999 5610 10/9/1999 6280
9/ 10/ 1999 5470 10/ 10/1999 5780
9/11/1999 5390 10/11/1999 5270
9/ 12/ 1999 5380 10/12/1999 4930
9/ 13/ 1999 5600 10/I 3/1999 4800
9/14/1999 5400 10/14/1999 4810
9/15/1999 5270 10/15/1999 4660
9/16/1999 5450 10/16/1999 4690
9/17/1999 5730 10/17/1999 4820
9/ 18/1999 5820 10/18/1999 5050
9/19/1999 5970 l Of 19/1999 5110
9/20/1999 6580 10/20/1999 5150
9/21/1999 6900 10/21/1999 5130
9/22/1999 6740 10/22/1999 5040
9/23/1999 6440 10/23/1999 5130
9/24/1999 6340 10/24/ 1999 5120
9/25/1999 6380 10/25/1999 5120
9/26/1999 6540 10/26/1999 51 ] 0
9/27/1999 6390 10/27/1999 5100
9/28/1999 6190 10/28/1999 5200
9/29/1999 6110 10/29/1999 5190
9/30/1999 6140 10/30/1999 5150
-- -- 10/31/1999 5280
~ 33