DWR_2668988

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

PLATTE RIVER BASIN

SOUTH ST. VRAIN CREEK NEAR WARD, CO

LOCATION.--Lat 40°05'27", long 105°30'50"

DRAINAGE AREA AND PERIOD OF RECORD.--14.4 mi²; 1925-27,28-31, 54-73, 1992 to present

GAGE.--Graphic water-stage recorder and satellite monitoring DCP (8200) with shaft encoder in 42-inch diameter
corrugated metal pipe shelter and well. DCP is primary record with chart as backup.

REMARKS.--The primary record is hourly satellite data with chart backup. Record is complete and reliable
except for the following periods: October 19—DCP and chart not working properly; October 25,26,27—
Inlets frozen; October 28, 2002 to May 22, 2003 when station was closed for winter. The record is
good, except for flows above 200 cfs which are poor due to lack of recent measurements in this range.
This is a partial year record, re-established on May 15, 1992 by Division of Water Resources personnel
after the USGS dropped publication. Station maintained and record developed by Merlin Friedrichsen.

RATING TABLE.--SSVWARCO USED FROM 01-OCT-2002 TO 28-OCT-2002
SSVWARCO10 USED FROM 22-MAY-2003 TO 15-OCT-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 7 - - - - - - - 227 117 42 38
2 9.3 - - - - - - - 174 114 40 34
3 10 - - - - - - - 159 113 40 33
4 9.6 - - - - - - - 136 106 44 31
5 11 - - - - - - - 109 98 42 29
6 9.5 - - - - - - - 88 91 38 31
7 8.9 - - - - - - - 82 84 34 31
8 9 - - - - - - - 71 79 35 33
9 8.8 - - - - - - - 74 80 35 42
10 8.2 - - - - - - - 94 73 32 26
11 7.9 - - - - - - - 128 68 30 19
12 7.1 - - - - - - - 145 65 28 16
13 7.5 - - - - - - - 163 66 26 13
14 6.3 - - - - - - - 163 65 26 13
15 6.5 - - - - - - - 169 64 36 11
16 5 - - - - - - - 149 67 34 9.1
17 5.1 - - - - - - - 131 72 39 8.8
18 4.7 - - - - - - - 132 66 46 9.7
19 5.5 - - - - - - - 143 64 42 9.5
20 6.4 - - - - - - - 152 70 37 8.7
21 5.1 - - - - - - - 131 79 35 8.1
22 6.2 - - - - - - 80 126 69 34 7.6
23 5.3 - - - - - - 85 127 63 33 6.7
24 5.4 - - - - - - 99 127 58 32 5.7
25 5 - - - - - - 107 130 62 33 5.6
26 5 - - - - - - 167 98 68 33 5.1
27 5 - - - - - - 199 94 65 30 4.8
28 5 - - - - - - 223 103 68 29 5.1
29 - - - - --- - - 263 116 61 30 5.4
30 - - - - --- - - 330 119 54 51 5.3
31 - --- - - --- - --- 233 --- 46 45 ---

TOTAL 195.3 - - - - - - 1786 3860 2315 1111 505.2
MEAN 6.3 - - - - - - 57.6 129 75 36 16.8
AC-FT 387 - - - - - - 3540 7660 4590 2200 1000
MAX 11 - - - - - - 330 227 117 51 42
MIN - - - - - - - - 71 46 26 4.8

WTR YR 2003 TOTAL 9772.5 MEAN 26.8 MAX 330 MIN - AC-FT 19380

MAX DISCH: 382 CFS AT 02:15 ON May. 30, 2003 GH 3.24 FT. SHIFT -.07 FT.
MAX GH: 3.24 FT. AT 02:15 ON May. 30, 2003

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

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