DWR_2669029

• Title: STREAM FLOW DATA FOR COLORADO
• Year: 1992
• Document Type - Publications and Reports: Streamflow Report

23

PLATTE RIVER BASIN

06726000 SOUTH BOULDER CREEK BELOW GROSS RESERVOIR NEAR COAL CREEK, CO

LOCATION.--Lat 39°56'55", long 105°21'30", SW¼ sec.21, T.1 S., R.71 W., Boulder County. Diverts flow from South Boulder
Creek and transmountain diversions from Moffat Tunnel.

DRAINAGE AREA.--N/A

GAGE.--Graphic water-stage recorder with satellite telemetry at 25' Parshall flume. Station is owned and maintained by
Denver Water Board personnel.

REMARKS.--Record is complete and reliable except for Oct. 29-31, 1991 when the clock stopped and DCP data had missing
values. Record was affected by ice on the control Jan. 15, 1992. Graphic chart record was used on Oct. 3-7, 28;
Nov. 29; Dec. 13, 1991; Jan. 4-6; Mar. 9; Jul. 7-8, 15, 21; Aug. 12; Sep. 18-20, 1992. Record is good, except
for periods of no gage-height and ice affect, which is fair. Records developed by Fred H. Renner.

RATING TABLE.--BOCBGRCO02 USED FROM 01-OCT-1991 TO 30-SEP-1992

DISCHARGE, IN CFS, WATER YEAR OCTOBER 1991 TO SEPTEMBER 1992
MEAN VALUES

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

1 90 3.3 9.0 4.1 3.6 7.8 25 174 445 266 212 40
2 90 3.6 9.0 4.1 3.6 7.8 32 185 416 246 256 40
3 90 3.2 6.9 4.1 3.6 7.8 39 185 406 241 256 40
4 90 3.2 5.7 4.1 3.6 7.8 43 185 326 241 231 40
5 90 3.2 6.1 4.1 3.6 7.9 43 211 285 224 219 40
6 90 3.5 6.1 4.1 3.6 15 43 225 286 239 219 40
7 105 3.9 6.1 4.1 6.0 20 55 254 286 254 219 40
8 132 4.1 6.1 4.1 6.5 20 75 311 270 254 219 45
9 155 4.1 6.1 4.1 5.6 21 81 336 298 254 193 49
10 182 4.1 6.1 4.1 5.6 20 80 336 319 254 150 49
11 203 4.1 6.1 4.1 5.6 20 80 337 321 254 110 49
12 213 4.1 6.1 4.1 6.7 20 80 337 336 254 98 49
13 213 4.1 6.1 4.1 7.8 20 86 337 354 240 98 49
14 213 16 6.3 4.0 7.7 20 91 337 367 214 98 49
15 213 24 6.1 4.0 7.7 20 154 337 359 205 98 32
16 212 24 6.2 3.6 7.8 20 166 337 333 205 98 23
17 211 23 6.6 3.6 7.6 20 172 338 311 205 98 23
18 211 24 6.6 3.6 7.7 20 177 339 303 205 94 23
19 211 23 6.5 3.6 7.8 21 176 339 289 213 92 23
20 211 23 6.6 3.6 7.8 21 175 345 305 217 68 23
21 211 23 6.3 3.6 7.8 21 175 373 320 217 42 23
22 210 23 6.1 3.7 7.8 21 175 433 320 217 42 23
23 209 23 6.1 3.8 7.8 21 175 462 328 217 42 18
24 209 23 6.1 3.6 7.8 17 175 464 332 209 47 14
25 65 23 6.1 3.6 7.8 24 175 441 367 205 56 14
26 3.2 14 6.1 3.6 7.8 14 174 404 384 205 67 14
27 3.2 8.4 6.1 3.6 7.8 14 162 392 363 169 70 14
28 3.2 8.4 5.7 3.6 7.8 15 155 387 334 130 70 21
29 3.2 9.0 5.7 3.6 7.8 14 156 363 325 120 70 22
30 3.2 9.0 4.4 3.6 --- 14 156 386 301 121 70 31
31 3.2 --- 4.1 3.6 --- 14 --- 441 --- 121 51 ---

TOTAL 4148.2 369.3 193.2 119.2 189.7 526.1 3551 10331 9989 6616 3753 960
MEAN 134 12.3 6.23 3.85 6.54 17.0 118 333 333 213 121 32.0
AC-FT 8230 733 383 236 376 1040 7040 20490 19810 13120 7440 1900
MAX 213 24 9.0 4.1 7.8 24 177 464 445 266 256 49
MIN 3.2 3.2 4.1 3.6 3.6 7.8 25 174 270 120 42 14

CAL YR 1991 TOTAL 51692.2 MEAN 142 MAX 546 MIN 2.3 AC-FT 102500
WTR YR 1992 TOTAL 40745.7 MEAN 111 MAX 464 MIN 3.2 AC-FT 80820

MAX DISCH 464 CFS AT 1300 22-MAY-1992 GH 2.70 FT. SHIFT 0.00 FT. MAX GH 2.70 FT. AT 1300
22-MAY-1992