DWR_2668978

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

30

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 28-30, 2001—Inlets frozen;
November 30, 2001 to April 4, 2002—Station was closed for winter. Record is good, except for
November 28—April 4, 2002 which was estimated for winter record. Station maintained and record
developed by Merlin Friedrichsen.

RATING TABLE.--BTABESCO09 USED FROM 01-OCT-2001 TO 30-NOV-2001

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 35 21 15 10 12 12 11 45 319 100 41 23
2 33 23 14 10 12 12 11 44 302 96 41 20
3 32 20 14 10 12 12 11 39 295 92 47 19
4 31 19 14 10 12 12 11 39 289 92 49 19
5 31 20 14 10 12 12 15 39 243 94 54 18
6 29 20 13 10 12 12 18 48 236 112 70 17
7 28 21 13 10 12 12 21 69 252 105 64 17
8 28 25 13 10 12 12 20 89 260 101 77 19
9 28 17 13 10 12 12 21 66 272 100 72 23
10 30 17 12 10 12 12 24 58 266 97 57 29
11 28 20 12 11 12 12 25 53 234 99 49 31
12 27 21 12 11 12 12 22 61 202 87 44 53
13 26 20 12 11 12 12 24 53 187 77 43 50
14 29 19 12 11 12 12 30 68 184 72 38 43
15 30 17 12 11 12 12 37 74 179 67 34 37
16 28 17 12 11 12 11 38 86 162 65 32 33
17 28 17 12 11 12 11 31 76 158 62 30 30
18 28 18 11 11 12 11 30 96 157 59 28 30
19 25 16 11 11 12 11 30 125 147 57 27 30
20 25 16 11 12 12 11 27 179 161 56 27 28
21 25 15 11 12 12 11 25 213 166 78 28 26
22 26 16 11 12 12 11 24 172 162 73 31 23
23 25 16 11 12 12 11 25 114 156 72 29 22
24 22 12 11 12 12 11 24 110 144 74 28 21
25 18 15 11 12 12 11 26 98 136 68 27 20
26 24 15 11 12 12 11 29 105 129 75 25 23
27 23 13 11 12 12 11 35 113 122 64 25 24
28 22 14 11 12 12 11 29 131 116 56 25 24
29 23 14 11 12 --- 11 25 179 109 50 26 23
30 24 15 11 12 --- 11 31 276 105 45 29 23
31 23 --- 11 12 --- 11 --- 369 --- 42 24 ---

TOTAL 834 529 373 343 336 356 730 3287 5850 2387 1221 798
MEAN 27 18 12 11 12 12 24 106 195 77 39 27
AC-FT 1650 1050 740 680 666 706 1450 6520 11600 4730 2420 1580
MAX 35 25 15 12 12 12 38 369 319 112 77 53
MIN 18 12 11 10 12 11 11 39 105 42 24 17

WTR YR 2002 TOTAL 17044 MEAN 46.7 MAX 369 MIN 10 AC-FT 33810

MAX DISCH: 491 CFS AT 01:00 ON May. 31, 2002 GH 3.81 FT. SHIFT 0 FT.
MAX GH: 3.81 FT. AT 01:00 ON May. 31, 2002

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

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