7739

• UCREFRP Catalog Number: 7739
• Author: Muth, R. T. and T. P. Nesler.
• Title: Associations Among Flow and Temperature Regimes and Spawning Periods and Abundance of Young of Selected Fishes, Lower Yampa River, Colorado, 1980-1984 - Final Report.
• USFW Year: 1993.
• USFW - Doc Type: \
• Copyright Material: NO

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Table 3.-Discharge parameters for the lower Yampa River near Maybell and at Deerlodge Park, Colorado.
Oischaroe"
Date of Aori1 May June July
peak Daily (nrfs) Total (m3) Daily (nrfs) Total (m3) Daily (m3fs) Tota 1 (nr) Daily Im3fs) Total (nr)
Year Location discharge Mean Range (x 108) Mean Range (x 108) Mean Range (x 10') Mean Range (x llf)
1980 Maybe 11 27 May 81 14-200 2.09 235 174-325 6.31 181 86-246 4.69 37 9-112 1.00
Deer10dge Park 15 May 131 39-303 3.40 347 265-482 9.31 243 110-339 6.31 48 10-173 1.28
1981 Maybe 11 9 June 29 10-68 0.76 86 44-156 2.30 86 18-172 2.23 15 7-30 0.39
Deerlodge Park 29 May 46 16-98 1. 20 130 67-245 3.47 116 22-223 3.01 17 7-36 0.44
1982 Maybe 11 5 May 70 22-152 1.82 194 133-289 5.21 204 182-235 5.30 82 30-190 2.20
Deer10dge Park 5 May 97 31-220 2.51 275 179-427 7.36 274 249-320 7.10 134 69-252 3.58
1983 Maybe I I 30 May 52 17-145 1.34 171 105-374 4.60 279 213-323 7.24 113 42-229 3.02
Deerlodge Park 31 May 75 23-230 1.94 269 159-648 7.21 436 289-623 11. 30 167 76-328 4.47
1984 Maybe 11 17 May 91 29-211 2.37 396 77-691 10.62 310 199-453 8.04 99 44-204 2.65
Deer lodge Par\( 18 May 135 48-331 3.51 519 111-914 13.90 456 297-645 11.84 146 44-297 3.93
"Data taken from USGS records.
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Table 4.-Water-temperature parameters for the mainchannelof the lower Yampa River near Maybell, Colorado.
Daily maximum water temoerature (Oel" Dearee-davsb
Aoril May June July Aori1 Ma~ June July
Year Mean Range Mean Range Mean Range Mean Range 120e 140e 160e 120C 14 C 160C 120C 140C 160e 180e 20"e 16"e 180e 200e
1981 12.6 6.0-17 .0 13.8 11.0-16.0 18.6 14.0-24.0 23.9 22.0-26.0 19 16 4 27 17 30 30 24 16 12 . 31 31 31
1982 8.2 6.0-12.0 10.7 8.0-14.0 13.7 12.0-17 .0 20.1 16.0-25.0 0 0 15 2 0 30 17 3 0 0 31 25 19
1983 8.2 4.0-12.0 10.5 7.0-13.0 12.5 10.0-15.0 19.0 14.0-24.0 1 0 0 11 0 0 22 14 0 0 0 26 24 15
1984 12.0 11.0-14.0 13.3 9.0-17.0 20.9 16.0-24.0 21 4 0 25 19 4 0 0 31 29 20
-Data taken from USGS records; records for April in 1984 were not available. bDegree-days = number of days per month in each year that
maximum mainchannel water temperature reached or exceeded 12, 14, 16, 18, or 200C (determined from USGS records).