Board Meeting 12/09/1998

• Board Meeting Date: 12/9/1998
• Description: ISF Section - Additional Information Regarding the Water Availability Analysis for the Tennessee Creek Instream Flow Recommendation
• Board Meetings - Doc Type: Memo

186 ARKANSAS RIVER BASIN
07081200 ARKANSAS RIVER NEAR LEADVILLE, CO
LOCA~ION.--Lat 39015'26", long 106020'35", in NW'/.NW'/4 sec. 21, T.9 S., R.SO W., Lake County, Hydrologic Unit 11020001,
on nght bank, 500 ft downstream from confluence of East Fork Arkansas River and Tennessee Creek. 0.5 mi downstream from
highway bridge, and 2.8 mi northwest of Leadville.
DRAINAGE AREA.--98.8 mi'.
WATER-DISCHARGE RECORDS
PERIOD OF RECORD.--Octoher 1967 to Septemher 1983. April 1990 to current year.
REVISED RECORDS.--WDR CO-91-1: Drainage area.
GAGE.-Water-stage recorder with satellite telemetry. Elevation of gage is 9,730 ft above sea level. from topographic map.
REMARKS.--Records good except for estimated daily discharges. which are poor. Transmountain diversions from Colorado River
Basin enters above this station (see elsewhere in this report), Small diversions upstream for irrigation and municipal use,
amounts unknown.
DISCHARGE, CUBIC FEET PER SECOND, WAT6R YEAR OCTOBER 1995 TO SEPTEMBER 1996
DAILYMEl\NVALUES
DAY OCT NOV DEC JAN FEB O<AR APR HAY JUN JUL AUO SEP
1 .. 34 021 019 018 020 22 66 321 264 64 32
2 40 32 021 019 01' 020 24 78 356 246 60 31
3 38 033 022 020 019 020 25 103 426 222 62 30
4 40 033 022 019 01' 019 24 137 53'- 218 62 2'
5 40 034 021 020 019 020 24 191 629 218 57 30
6 .0 036 020 020 019 020 25 251 782 215 55 37
7 43 035 019 019 020 019 26 295 741 202 53 37
8 44 35 19 019 021 020 2' 333 717 190 53 34
, 41 37 19 019 021 020 32 361 745 167 50 31
10 3' 33 19 018 020 020 36 338 733 153 48 30
11 38 37 19 018 020 020 40 339 625 151 43 3'-
12 40 33 18 018 020 020 39 394 631 142 42 31
13 40 3'- 17 018 020 019 42 449 57' 132 41 33
14 37 30 018 018 019 019 3B 464 582 122 41 34
15 35 28 018 019 021 020 37 486 565 116 41 35
16 36 27 018 019 021 020 37 580 518 113 42 33
17 35 26 018 020 021 020 39 723 490 109 41 30
18 34 25 018 020 020 021 40 650 469 113 40 29
19 33 23 017 020 020 021 36 697 445 108 41 31
20 33 21 017 019 020 021 39 780 '25 97 41 32
21 32 22 017 020 021 021 36 639 '96 '0 41 32
22 33 23 017 019 020 020 34 598 559 83 40 32
23 31 022 017 019 020 020 36 673 '69 78 41 35
24 29 021 017 019 020 020 '7 542 377 75 19 35
25 31 021 018 019 020 020 57 528 344 73 37 36
26 32 022 018 019 020 020 58 503 309 70 37 36
27 32 022 019 019 020 020 62 396 335 6B 37 36
28 32 021 019 019 021 020 58 321 331 67 36 34
29 32 021 018 018 020 020 56 275 303 72 36 33
30 32 022 019 018 020 58 283 272 7' 34 33
31 32 018 018 020 290 6B 33
TOTAL 1118 843 578 588 579 620 1156 12763 15101 4121 1388 983
MEAN 36.1 28.1 18.6 19.0 20.0 20.0 38.5 412 503 133 44.8 32.8
MAX .4 37 22 20 21 21 62 780 782 264 64 37
KIN 29 21 17 18 18 19 22 66 272 67 33 29
Ae'FT 2220 1670 1150 1170 1150 1230 2290 25320 29950 8170 2750 1950
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1968 . 1996, BY WATER YEAR (WY)
MEAN 26.2 20.8 1.6.2 14.5 14.1 14.8 29.1 166 346 138 58.5 33.9
MAX 38.3 28.9 21. 7 19.0 20.5 20.8 52.9 412 634 382 130 55.8
(WY) 1971 1971 1983 1996 1973 1971 1989 1996 1980 1995 1983 1982
KIN 16.5 11.6 11.6 9.15 7.93 8.82 12.7 55.3 114 35.9 23.8 16.7
(WY) 1978 1977 1978 1977 1978 1974 1970 1981 1977 1977 1977 1974
SUMMARY STATISTICS FOR 1995 CALENDAR YEAR FOR 1996 WATER YEAR WATER YEARS 1968 1996
ANNUAL TOTAL 40309 39838
ANNUAL MEAN 110 10' 74,3
HIGHEST ANNUAL MEAN 10' 1996
LOWEST ANNUAL MEAN 32.4 1977
HIGHEST DAILY MEAN 1010 Jun 18 782 Jun 6 1010' Jun 18 1995
LOWEST DAILY MEAN ",0 Fob 4 b'7 Dec 13 c7.0 Fob 3 1978
ANNUAL SEVEN, DAY MINIMUM 11 Feb 12 17 Dec 18 d 7.0 Fob 3 1978
INSTANTANEOUS PEAK FLOW d883 Jun 6 1280 Jun 18 1995
INSTANTANEOUS PEAK STAGE 3.99 Jun 6 4.38 Jun 18 1995
ANNUAL RUNOFF (AC-FT) 79950 19020 53800
10 PERCENT EXCEEDS 383 395 217
50 PERCENT EXCEEDS 32 33 26
90 PERCENT EXCEEDS 13 19 13
e- Estimated.
a-Also occurred Feb 12'14, 17-19.
b-A1so occurred Dec 19-24.
C'AIso occurred Feb C'20, 1978.
d.prom ratinq curve extended above 730 ft3/s.