DWR_2669027

• Title: STREAM FLOW DATA FOR COLORADO
• Year: 1991
• Document Type - Publications and Reports: Streamflow Report

24

PLATTE RIVER BASIN

06733000 BIG THOMPSON RIVER AT ESTES PARK, CO

LOCATION.--Lat 40°22'42", long 105°30'48", in NW¼NW¼ sec.30, T.S N., R.72 W,, Larimer County, Hydrologic Unit 10190006, on
right bank in Estes Park, 600 ft downstream from bridge on State Highways 7 and 66, 900 ft downstream from Black
Canyon Creek, and 0.3 mi northwest of Estes powerplant, Station is upstream from Lake Estes.

DRAINAGE AREA.--137 mi2.

GAGE.--Water-stage recorder with satellite telemetry, and Parshall flume with overflow weirs, Datum of gage is 7,492.5 ft
above National Geodetic Vertical Datum of 1929 (levels by U.S. Bureau of Reclamation). Prior to May 18, 1949, at
site 740 ft downstream at different datum. May 18, 1949, to Mar. 22, 1951, at site 60 ft upstream at datum 1.2
ft. higher.

REMARKS.--Record is complete and reliable except for the following periods: Dec. 19-31, 1990; Jan. 1-31; Feb. 1-26, 1991
when flume was frozen. Discharge ice affected on Feb. 27, 28; Mar. 1-9, 21, 23, 1991. Records fair during this
period. Station maintained and records developed by Jim Clark and Fred Renner.

RATING TABLE.--BTABESCO09 USED FROM 01-OCT-1990 TO 30-SEP-1991

DISCHARGE, IN CFS, WATER YEAR OCTOBER 1990 TO SEPTEMBER 1991
MEAN VALUES

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

1 54 34 18 10 10 11 13 20 668 307 134 79
2 52 35 16 10 10 11 14 22 905 277 147 82
3 50 30 9.6 10 10 10 15 21 584 269 160 76
4 45 36 15 10 10 11 14 23 508 259 210 73
5 41 35 16 10 11 10 16 24 593 243 173 70
6 40 33 15 10 11 9.5 18 22 649 235 154 70
7 52 34 14 10 11 9.8 20 24 692 225 161 68
8 60 32 14 10 11 10 21 29 624 227 148 76
9 54 33 15 10 12 11 18 49 640 263 139 83
10 55 33 15 10 12 11 17 84 610 247 131 80
11 54 33 15 10 12 9.5 17 129 574 226 122 75
12 45 34 15 10 12 8.8 15 150 630 211 125 75
13 43 32 15 10 13 9.2 18 116 598 200 174 72
14 42 30 14 10 13 9.2 16 130 585 183 173 69
15 40 29 9.3 10 13 8.6 17 144 650 176 150 69
16 41 28 14 10 13 9.2 20 143 584 173 142 67
17 41 27 14 10 14 9.5 22 122 490 173 135 63
18 38 27 12 10 14 10 23 144 455 176 124 61
19 46 26 11 10 14 11 20 277 440 183 122 56
20 47 26 10 10 14 11 20 355 426 169 132 54
21 39 21 10 10 15 11 20 328 440 218 119 49
22 40 25 10 10 15 12 20 370 460 202 107 46
23 40 23 10 10 14 12 20 450 412 244 101 44
24 37 23 10 10 14 13 20 334 377 260 95 41
25 36 22 10 10 13 11 21 267 350 285 89 41
26 35 21 10 10 13 11 23 359 332 246 87 41
27 35 18 10 10 12 11 21 400 295 208 92 39
28 34 15 10 10 11 12 20 434 312 181 97 38
29 35 16 10 10 --- 10 20 388 337 162 95 37
30 36 20 10 10 --- 12 21 367 349 146 86 41
31 35 --- 10 10 --- 12 --- 308 --- 137 80 ---

TOTAL 1342 831 386.9 310 347 327.3 560 6033 15569 6711 4004 1835
MEAN 43.3 27.7 12.5 10.0 12.4 10.6 18.7 195 519 216 129 61.2
AC-FT 2660 1650 767 615 688 649 1110 11970 30880 13310 7940 3640
MAX 60 36 18 10 15 13 23 450 905 307 210 83
MIN 34 15 9.3 10 10 8.6 13 20 295 137 80 37

CAL YR 1990 TOTAL 42516.9 MEAN 116 MAX 934 MIN 9.3 AC-FT 84330
WTR YR 1991 TOTAL 38256.2 MEAN 105 MAX 905 MIN 8.6 AC-FT 75880

MAX DISCH 1300 CFS AT 0100 02-JUN-1991 GH 6.30 FT. SHIFT -0.02 FT. MAX GH 6.30 FT. AT 0100
02-JUN-1991