DWR_2669027

• Title: STREAM FLOW DATA FOR COLORADO
• Year: 1991
• Document Type - Publications and Reports: Streamflow Report

14

PLATTE RIVER BASIN

06720000 CLEAR CREEK AT DERBY, CO

LOCATION.--Lat 39°49'42", long 104°57'30", in SW¼SW¼ sec.36, T.2 S., R.68 W., Adams County, Hydrologic Unit 10190004, on
right bank 210 ft downstream from York Street bridge, 0.6 mi upstream from mouth, and 2.5 mi west of Derby.

DRAINAGE AREA.--575 mi2.

GAGE.--Graphic water-stage recorder with satellite telemetry.

REMARKS.--Record good except during period of ice-affect, Dec. 19, 1990-Feb. 27, 1991, and from July 14, 1991 to end of
year when control section began washing out. Records developed using actual measurements and gage heights and
prorating discharges. Station maintained and records developed by Rodger L. Burcher.

RATING TABLE.--CLEDERCO31 USED FROM 01-OCT-1990 TO 30-SEP-1991

DISCHARGE, IN CFS, WATER YEAR OCTOBER 1990 TO SEPTEMBER 1991
MEAN VALUES

DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP

1 42 3.2 32 28 33 23 18 35 398 160 49 6.0
2 52 20 31 28 33 22 22 10 730 136 137 6.0
3 53 72 29 29 33 24 24 13 406 160 455 9.0
4 44 34 31 29 33 23 20 28 223 243 347 6.0
5 29 27 30 29 33 53 16 74 104 231 243 13
6 23 78 30 29 32 29 16 14 221 222 158 13
7 20 28 29 30 32 23 8.6 7.3 623 209 164 16
8 57 47 29 30 32 23 12 3.9 634 240 72 18
9 43 61 26 30 32 22 4.6 4.2 664 234 54 17
10 22 55 19 31 32 21 4.1 22 685 351 45 35
11 22 49 23 31 32 19 18 54 623 299 30 57
12 21 40 22 31 32 18 52 63 617 264 16 44
13 8.7 25 22 31 32 18 46 23 585 214 70 36
14 8.7 16 23 32 31 21 24 6.3 578 170 28 30
15 8.3 18 23 32 30 21 27 56 604 93 16 14
16 7.1 13 22 32 30 13 23 193 619 90 50 14
17 5.4 3.5 27 33 29 9.2 22 57 556 207 28 13
18 4.5 3.0 24 33 29 17 22 37 598 283 14 14
19 6.3 16 24 33 28 12 20 88 532 277 62 14
20 68 31 25 33 28 9.2 18 106 438 208 36 14
21 33 31 25 34 27 5.4 40 121 512 158 29 10
22 21 28 25 34 26 8.1 31 96 519 502 19 5.0
23 22 24 25 34 26 20 15 234 435 475 17 7.0
24 9.4 27 26 34 25 20 12 172 356 418 9.0 13
25 4.0 29 26 34 25 20 8.2 108 290 316 8.0 7.0
26 4.0 22 26 34 24 21 1.6 105 230 280 10 7.0
27 3.4 44 27 34 24 49 1.2 98 160 175 9.0 10
28 3.2 41 27 34 23 21 0.53 98 161 113 14 14
29 3.0 26 27 34 --- 19 0.45 92 178 36 15 12
30 3.6 33 27 33 --- 22 75 111 155 20 7.0 32
31 3.4 --- 28 33 --- 18 --- 84 --- 28 4.0 ---

TOTAL 655.0 944.7 810 986 826 643.9 602.29 2213.7 13434 6812 2215.0 506.0
MEAN 21.1 31.5 26.1 31.8 29.5 20.8 20.1 71.4 448 220 71.5 16.9
AC-FT 1300 1870 1610 1960 1640 1280 1190 4390 26650 13510 4390 1000
MAX 68 78 32 34 33 53 75 234 730 502 455 57
MIN 3.0 3.0 19 28 23 5.4 0.45 3.9 104 20 4.0 5.0

CAL YR 1990 TOTAL 20149.6 MEAN 55.2 MAX 504 MIN 2.6 AC-FT 39970
WTR YR 1991 TOTAL 30648.59 MEAN 84.0 MAX 730 MIN 0.45 AC-FT 60790

MAX DISCH 2188 CFS AT 1800 22-JUL-1991 GH 5.97 FT. SHIFT 0.44 FT. MAX GH 5.97 FT. AT 1800
22-JUL-1991