DWR_2669029

• Title: STREAM FLOW DATA FOR COLORADO
• Year: 1992
• 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.--Stevens A-70 Graphic water-stage recorder with satellite telemetry.

REMARKS.--Flow past the gaging station is controlled by releases from Chatfield Dam approximately 500' upstream. Record
is complete, reliable and good. The satellite record is the primary record. Station maintained and records
developed by Rodger L. Burcher.

RATING TABLE.--PLACHACO02 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 0.29 21 3.6 3.1 49 44 159 197 171 134 22 0.56
2 0.29 56 3.5 3.1 48 45 123 298 141 155 22 0.38
3 0.29 56 3.8 3.1 48 45 99 297 73 150 20 0.38
4 0.38 57 2.9 3.1 48 58 100 260 20 134 43 0.38
5 0.38 64 2.7 3.1 47 91 100 269 81 82 118 0.38
6 0.38 88 2.9 25 47 118 102 211 169 129 83 0.38
7 0.29 105 2.7 49 47 140 102 161 167 104 16 0.38
8 0.29 92 2.6 73 47 141 115 159 218 33 16 0.38
9 0.38 79 2.4 67 47 141 125 160 211 41 16 0.38
10 0.38 79 2.4 46 47 141 128 160 106 144 68 0.38
11 0.47 79 2.4 45 45 108 127 186 143 214 120 0.38
12 0.37 55 2.4 45 42 92 127 154 159 215 155 0.47
13 0.42 15 2.5 60 42 92 145 77 100 149 211 0.47
14 0.47 10 2.4 78 42 94 157 70 129 102 174 0.47
15 0.47 7.2 2.6 67 41 95 191 77 213 102 138 0.47
16 0.41 7.5 2.6 55 42 95 282 102 226 103 151 0.47
17 0.38 7.5 2.6 50 43 95 187 100 173 72 125 0.38
18 0.38 7.0 2.9 44 42 95 99 100 92 54 165 0.47
19 0.38 7.5 2.6 44 43 96 99 117 50 73 171 0.47
20 0.34 6.7 2.8 44 43 96 250 132 69 92 127 0.56
21 0.29 7.2 2.8 44 43 96 353 96 102 92 104 0.65
22 0.29 6.1 3.1 44 43 96 272 66 104 69 86 0.56
23 0.29 5.4 3.2 42 43 64 171 34 104 67 73 0.66
24 0.31 5.4 3.4 38 43 46 159 44 104 89 43 0.56
25 0.29 5.4 3.4 35 75 61 234 101 106 89 19 0.72
26 0.30 49 3.6 36 73 78 235 132 147 68 19 0.75
27 0.23 48 3.3 37 35 78 237 140 296 27 18 0.79
28 0.38 3.6 2.7 37 40 78 234 216 391 25 11 0.76
29 0.47 3.8 2.9 38 44 78 226 179 321 63 4.3 0.79
30 0.47 3.5 3.0 42 --- 120 151 169 223 101 0.56 0.83
31 0.47 --- 3.4 49 --- 159 --- 171 --- 63 0.56 ---

TOTAL 11.23 1036.8 90.1 1249.5 1339 2876 5089 4635 4609 3035 2339.42 15.67
MEAN 0.36 34.6 2.91 40.3 46.2 92.8 170 150 154 97.9 75.5 0.52
AC-FT 22 2060 179 2480 2660 5700 10090 9190 9140 6020 4640 31
MAX 0.47 105 3.8 78 75 159 353 298 391 215 211 0.83
MIN 0.23 3.5 2.4 3.1 35 44 99 34 20 25 0.56 0.38

CAL YR 1991 TOTAL 23603.21 MEAN 64.7 MAX 550 MIN 0.03 AC-FT 46820
WTR YR 1992 TOTAL 26325.71 MEAN 71.9 MAX 391 MIN 0.23 AC-FT 52220

MAX DISCH 430 CFS AT 1600 27-JUN-1992 GH 2.92 FT. SHIFT 0.05 FT. MAX GH 2.93 FT. AT 1645
21-APR-1992