DWR_2669006

• Title: STREAM FLOW DATA FOR COLORADO
• Year: 2004
• Document Type - Publications and Reports: Streamflow Report

24
PLATTE RIVER BASIN

06729500 SOUTH BOULDER CREEK NEAR ELDORADO SPRINGS, CO

LOCATION.--Lat 39°55'52", long 105°17'43", in SE¼ sec. 26, T.l S., R.71 W., Boulder County, Hydrologic
Unit 10190005, on left bank 0.2 mi downstream from South Draw, 1.0 mi west of Eldorado Springs, 1.8
mi downstream from South Boulder diversion canal, 5.0 mi south of Boulder, and 6.7 mi downstream
from Gross Reservoir.

DRAINAGE AREA.--109 mi².

GAGE.--Graphic water stage recorder and Sutron High Data Rate (HDR) satellite monitoring DCP in metal box
shelter and corrugated metal pipe well. Supplemental outside chain gage. The data collection
platform (DCP) is the primary record having the graphic chart as a backup.

REMARKS.--Record is complete and reliable except for the following periods: December 30, 2003 – March 25, 2004,
when the station was closed for winter. Chart record had a slow clock, which had to be adjusted at
visits. The record is good, except for December 30, 2003 through March 25, 2004, when the station was
shut down for the winter, which is considered fair. Station maintained and record developed by Lee
Cunning.

RATING TABLE.--BOCELSCO23 USED FROM 01-OCT-2003 TO 30-SEP-2004

DISCHARGE, IN CFS, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004
MEAN VALUES

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

1 15 7.5 8.7 11 3.1 6 28 71 138 134 37 19
2 14 7.7 9.1 11 2.9 6.5 29 71 125 141 37 20
3 13 9.1 8.8 11 3 7.1 30 75 118 140 37 20
4 13 9.8 8.5 10 3.1 7.7 29 78 120 140 36 20
5 13 9.6 8.5 10 3.2 8.2 31 82 128 116 37 20
6 13 9.5 7.8 10 3.3 8.9 34 85 134 94 38 20
7 14 9 8 10 3.5 9.6 34 111 145 91 37 20
8 15 8.5 8.8 9.5 3.6 10 34 140 176 87 43 19
9 14 8.5 8.9 9.5 3.7 11 41 145 209 85 49 19
10 13 8.4 8.8 9.1 3.8 12 47 144 250 84 49 19
11 13 8.4 8.7 9.1 4 13 46 154 272 75 39 20
12 13 8.5 8.5 8.7 4.1 13 49 167 229 66 32 20
13 14 8.4 8.4 8.7 4.2 14 50 167 165 64 31 20
14 11 8 8.5 8.4 4.3 15 57 161 137 65 29 20
15 9.8 8 8.1 8.4 4.5 16 63 161 136 65 27 20
16 9.7 8 8.3 8 4.6 17 62 163 139 65 24 21
17 10 8 8.6 7.7 4.6 17 62 141 146 67 22 24
18 10 8 8.2 7.3 4.8 19 62 116 148 73 25 15
19 10 8 8.4 7 4.8 20 60 111 151 77 44 14
20 11 8.4 8.4 6.3 4.9 21 54 125 161 78 54 14
21 11 7.2 8.4 5.9 5.1 22 50 159 148 79 58 17
22 10 7 8.4 5.6 5.1 24 50 184 145 83 57 16
23 9 8.5 8 5.3 5.2 25 49 182 133 86 56 15
24 8.8 7.1 9.4 5.1 5.3 26 52 177 111 82 44 16
25 8.7 7.5 11 4.8 5.3 28 60 171 106 82 31 18
26 8.4 8.3 11 4.6 5.5 29 62 165 106 73 29 18
27 8.1 8.4 11 4.3 5.6 29 67 161 108 66 27 18
28 7.9 8.3 11 3.8 5.6 29 70 158 112 67 27 21
29 6.2 8.1 11 3.6 5.9 28 71 159 122 66 26 25
30 6.4 8.2 11 3.3 --- 28 72 160 126 56 23 27
31 7.3 --- 11 3.1 --- 28 --- 152 --- 41 20 ---

TOTAL 340.3 247.9 281.2 230.1 126.6 548 1505 4296 4444 2588 1125 575
MEAN 11 8.3 9.1 7.4 4.4 17.7 50 139 148 84 36 19
AC-FT 675 492 558 456 251 1090 2990 8520 8810 5130 2230 1140
MAX 15 9.8 11 11 5.9 29 72 184 272 141 58 27
MIN 6.2 7 7.8 3.1 2.9 6 28 71 106 41 20 14

WTR YR 2004 TOTAL 16307.1 MEAN 44.6 MAX 272 MIN 2.9 AC-FT 32350

MAX DISCH: 283 CFS AT 11:15 ON Jun. 10, 2004 GH 2.81 FT. SHIFT -0.02 FT.
MAX GH: 2.81 FT. AT 11:15 ON Jun. 10, 2004

FOR MORE COMPLETE OR DETAILED INFORMATION SEE DAILY OR MONTHLY RECORD.

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