DWR_2668988

• Title: STREAM FLOW DATA FOR COLORADO
• Year: 2003
• Document Type - Publications and Reports: Streamflow Report

PLATTE RIVER BASIN

BOULDER CREEK FEEDER CANAL NEAR LYONS, CO

LOCATION.--Lat 40°12'58", long 105°15'28", NE¼NW¼ sec. 20, T.3 N., R.70 W., Boulder County.

DRAINAGE AREA.--N/A

GAGE.-- A-35 Stevens recorder in a 36-inch galvanized shelter with supplemental outside staff gage. A data
collection platform (DCP) was installed in 1997 and is connected to the gage remotely approximately
100 yards west in a concrete 6 by 8-foot building. The station is maintained by NCWCD personnel.

REMARKS.--The primary record is the A-35 Stevens Chart record. The record is good. Water was run October
1 thru October 31, 2002 and April 7 to September 30, 2003. This record will soon become part of
Colorado Division of Water Rescues Water District 5 Diversion Data. At that time it will no longer
be published as part of Colorado Streamflow Data. The record is complete and reliable. Record
developed by Lee Cunning.

RATING TABLE.--STDPF1OFT01 USED FROM 01-OCT-2002 TO 30-SEP-2003

DISCHARGE, IN CFS, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003
MEAN VALUES

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

1 41 0 0 0 0 0 0 34 31 16 42 86
2 41 0 0 0 0 0 0 33 31 16 42 65
3 42 0 0 0 0 0 0 34 30 16 56 50
4 42 0 0 0 0 0 0 36 30 15 77 43
5 37 0 0 0 0 0 0 35 18 16 71 37
6 36 0 0 0 0 0 0 32 7.9 16 61 35
7 38 0 0 0 0 0 9 31 7.9 16 55 35
8 31 0 0 0 0 0 14 32 7.5 19 53 36
9 27 0 0 0 0 0 13 32 7.9 13 53 36
10 27 0 0 0 0 0 12 32 7.2 40 53 40
11 25 0 0 0 0 0 13 29 7.5 51 55 40
12 24 0 0 0 0 0 14 29 7.5 33 54 40
13 25 0 0 0 0 0 13 29 7.9 46 77 38
14 25 0 0 0 0 0 14 30 7.2 46 126 39
15 25 0 0 0 0 0 15 32 8.2 44 146 44
16 25 0 0 0 0 0 15 31 6.8 40 143 43
17 25 0 0 0 0 0 24 31 7.2 37 143 40
18 24 0 0 0 0 0 36 31 8.2 39 149 37
19 24 0 0 0 0 0 37 31 6.8 48 144 36
20 24 0 0 0 0 0 34 29 7.5 48 141 34
21 24 0 0 0 0 0 34 28 8.2 54 141 28
22 25 0 0 0 0 0 35 29 8.6 73 148 28
23 26 0 0 0 0 0 36 30 8.9 72 153 28
24 26 0 0 0 0 0 36 30 7.9 72 155 29
25 29 0 0 0 0 0 36 31 6.8 72 154 27
26 30 0 0 0 0 0 36 31 6.8 71 152 26
27 32 0 0 0 0 0 34 31 9.7 72 149 27
28 30 0 0 0 0 0 33 28 13 76 134 28
29 31 0 0 0 --- 0 35 31 12 77 124 27
30 31 0 0 0 --- 0 35 31 13 59 122 28
31 20 --- 0 0 --- 0 --- 31 --- 44 109 ---

TOTAL 912 0 0 0 0 0 613 964 348.1 1357 3282 1130
MEAN 29 0 0 0 0 0 20.4 31 11.6 44 106 38
AC-FT 1810 0 0 0 0 0 1220 1910 690 2690 6510 2240
MAX 42 0 0 0 0 0 37 36 31 77 155 86
MIN 20 0 0 0 0 0 0 28 6.8 13 42 26

WTR YR 2003 TOTAL 8606.1 MEAN 23.6 MAX 155 MIN 0 AC-FT 17070

MAX DISCH: 168 CFS AT 10:15 ON Aug. 27, 2003 GH 2.44 FT. SHIFT 0 FT.
MAX GH: 2.44 FT. AT 15:00 ON Aug. 27, 2003

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

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