DWR_2668971

• Title: STREAM FLOW DATA FOR COLORADO
• Year: 2001
• Document Type - Publications and Reports: Streamflow Report

31

PLATTE RIVER BASIN

06733000 BIG THOMPSON RIVER(above Lake Estes) AT ESTES PARK, CO

LOCATION.--Lat 40°22'42", long 105°30'48", in NW¼NW¼ sec. 30, T.5 N., R.72 W,, Larimer County 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 Power Plant. Station is upstream from Lake Estes.

DRAINAGE AREA AND PERIOD OF RECORD.--137 mi². October 1946 to current year.

GAGE.--Water-stage recorder with satellite telemetry, at 15' Parshall flume with overflow weirs and
supplemental outside gage. DCP is the primary record. Datum of gage is 7,492.5 ft above National
Geodetic Vertical Datum of 1929.

REMARKS.--Primary record is hourly data taken from satellite monitoring with chart as backup. Record is
complete and reliable except for the following periods: November 12-14, 2000—Inlets frozen;
November 14, 2000 to March 13, 2001—Station was closed for winter; March 13-29, 2001—DCP was off;
June 18-19, 2001—inlets were plugged. Record is good, except for November 14—March 13, which is
estimated. Station maintained and record developed by Merlin Friedrichsen.

RATING TABLE.--BTABESCO09 USED FROM 01-OCT-2000 TO 25-OCT-2001

DISCHARGE, IN CFS, WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001
MEAN VALUES

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

1 68 24 16 12 9 8 12 146 435 241 85 64
2 63 23 16 12 9 9 12 190 488 229 93 60
3 60 28 15 12 9 9 12 142 503 224 87 56
4 65 27 15 12 9 9 13 111 397 221 81 53
5 60 26 15 12 9 9 15 97 329 211 81 49
6 56 20 15 12 9 9 16 96 316 204 105 49
7 52 18 15 11 9 10 16 91 378 209 176 49
8 50 24 15 11 9 10 16 91 407 240 184 66
9 49 26 15 11 9 10 16 122 411 216 266 62
10 47 25 14 11 9 10 16 156 369 192 189 64
11 45 21 14 11 9 10 17 213 380 176 161 57
12 43 22 14 11 9 10 16 237 339 170 143 50
13 40 23 14 11 9 10 15 295 319 186 125 47
14 37 24 14 11 9 10 15 386 256 196 118 52
15 37 24 14 10 9 8.9 16 468 204 186 133 57
16 38 23 14 10 9 8.9 16 452 189 161 182 55
17 36 22 14 10 9 8.9 16 447 184 143 145 61
18 35 22 14 10 9 8.4 18 461 205 126 120 73
19 34 21 14 10 9 8.4 26 436 237 118 105 67
20 33 21 13 10 9 9.3 33 419 248 115 102 58
21 31 20 13 10 9 9.8 33 341 257 114 114 54
22 32 19 13 10 9 10 25 251 270 111 104 50
23 34 19 13 10 9 11 33 255 251 111 99 48
24 33 18 13 10 9 12 36 314 251 108 88 46
25 33 18 13 9 9 12 45 353 311 101 83 43
26 30 17 13 9 8 12 53 380 316 106 80 42
27 30 17 13 9 8 13 70 439 338 111 72 40
28 30 16 13 9 8 11 95 483 295 101 68 39
29 29 16 13 9 --- 11 132 459 271 91 64 37
30 27 16 12 9 --- 11 145 462 250 84 64 37
31 28 --- 12 9 --- 11 --- 438 --- 82 64 ---

TOTAL 1285 640 431 323 249 309.6 999 9231 9404 4884 3581 1585
MEAN 42 21 14 10.4 8.9 10 33 298 313 158 116 53
AC-FT 2550 1270 855 641 494 614 1980 18310 18650 9690 7100 3140
MAX 68 28 16 12 9 13 145 483 503 241 266 73
MIN 27 16 12 9 8 8 12 91 184 82 64 37

CAL YR 2000 TOTAL 0 MEAN 0 MAX 0 MIN 0 AC-FT 0
WTR YR 2001 TOTAL 32921.6 MEAN 90.2 MAX 503 MIN 8 AC-FT 65300

MAX DISCH: 612 CFS AT 01:30 ON Jun. 3, 2001 GH 4.33 FT. SHIFT 0.04 FT.
MAX GH: 4.33 FT. AT 01:30 ON Jun. 3, 2001

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

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