DWR_2668978

• Title: STREAM FLOW DATA FOR COLORADO
• Year: 2002
• Document Type - Publications and Reports: Streamflow Report

10

PLATTE RIVER BASIN

06709610 SOUTH PLATTE RIVER BELOW CHATFIELD RESERVOIR, CO

LOCATION.--Lat 39°33'26", long 105°03'27", SE¼, sec. 1, T.6 S., R.69 W., Jefferson County, Hydrologic Unit
10190002.

DRAINAGE AREA.--3,018 mi².

GAGE.--Steven’s A-70 Graphic water-stage recorder with satellite telemetry with electric drop tape for
reference.

REMARKS.--The primary record is hourly satellite data with chart back up. Encoder read correctly on 8
visits to the gage. Daily max and min values agreed with the corrected chart values to within +-
0.02 foot. No corrections to the encoder data were required all year. The control was cleaned of
moss on all visits with no corrections observed. The record is complete and reliable. The record
is good. Station maintained and record developed by Robert E Cooper.

RATING TABLE.--PLACHACO03 USED FROM 01-OCT-2001 TO 30-SEP-2002

DISCHARGE, IN CFS, WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002
MEAN VALUES

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

1 .33 .19 .23 .12 4 60 15 1.4 31 .42 .79 .3
2 .33 .95 .19 .12 4.1 80 15 1.5 15 .42 .75 .25
3 .33 2.3 .2 .12 4.5 80 11 1.5 .62 .47 .7 .25
4 .36 1.8 .19 .12 3.6 54 11 1.5 .6 .5 .67 .21
5 .33 1.5 .16 .12 2.6 32 28 1.5 .55 .42 .65 .19
6 .28 1.5 .14 .12 2.2 49 28 1.5 23 .51 .62 .2
7 .22 1.5 .14 .12 .47 49 28 1.6 95 .43 .6 .25
8 .19 1.4 .16 1.6 .4 49 36 1.7 117 .42 .6 .25
9 .2 1.4 .14 4.3 .36 49 45 1.7 123 .42 .6 .25
10 .23 1.3 .18 4 .3 49 22 1.7 114 .45 .6 .27
11 .25 1.3 .19 4.2 .14 48 1.3 1.9 105 .51 .58 .25
12 .25 1.3 .19 4.3 .65 48 1.3 1.8 99 .48 .6 .38
13 .25 1.3 .18 4 .92 48 1.2 1.7 98 .51 .6 .22
14 .25 1.3 .19 3.5 .7 59 1.1 1.7 99 .51 .6 .19
15 .25 1.4 .2 3.6 14 72 1.1 1.6 99 .55 .64 .19
16 .25 1.4 .18 2.3 28 71 1.1 1.7 104 .59 .66 3
17 .25 1.4 .13 .13 28 72 1.1 1.5 108 .6 .7 7.1
18 .25 1.5 .13 .12 28 56 1.2 1.5 108 .68 .67 4.3
19 .24 1.5 .13 .12 34 45 1.2 1.4 75 .75 .44 .24
20 .19 1.5 .13 .12 46 45 1.2 1.5 4.2 .79 .13 .21
21 .25 1.1 .13 .12 53 45 1.2 1.4 4.2 .79 .13 .27
22 .24 .22 .13 .11 53 42 1.1 1.4 4 .84 .5 .27
23 .2 .26 .13 .11 52 39 1.1 1.4 3.7 .88 .66 .26
24 .19 .2 .13 .11 53 39 1.2 29 3.1 .97 .49 .23
25 .17 .21 .13 1.1 53 39 1.3 78 2.1 1 .38 .09
26 .13 .25 .13 4.3 53 33 1.3 99 .54 5.4 .37 .09
27 .13 .25 .13 4.5 49 29 1.2 78 .42 12 .38 .08
28 .13 .25 .13 3.9 45 25 1.3 57 .42 12 .3 .08
29 .13 .25 .13 4 --- 18 1.4 47 .37 12 .27 .08
30 .13 .25 .13 4 --- 15 1.4 47 .37 12 .3 .08
31 .12 --- .13 4 --- 15 --- 40 --- 8 .3 ---

TOTAL 7.05 30.98 4.81 59.38 613.94 1454 263.3 511.1 1438.19 76.31 16.28 20.03
MEAN .23 1.03 .16 1.92 21.9 47 8.8 16.5 47.9 2.46 .53 .67
AC-FT 14 61 9.5 118 1220 2880 522 1010 2850 151 32 40
MAX .36 2.3 .23 4.5 53 80 45 99 123 12 .79 7.1
MIN .12 .19 .13 .11 .14 15 1.1 1.4 .37 .42 .13 .08

WTR YR 2002 TOTAL 4495.37 MEAN 12.3 MAX 123 MIN .08 AC-FT 8920

MAX DISCH: 129 CFS AT 14:00 ON Jun. 8, 2002 GH 1.88 FT. SHIFT 0.03 FT.
MAX GH: 1.88 FT. AT 14:00 ON Jun. 8, 2002

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

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