DWR_2668978

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

11

PLATTE RIVER BASIN

06710500 BEAR CREEK AT MORRISON, CO

LOCATION.--Lat 39°39'11", long 105°11'42, in SE¼SW¼ sec. 35, T.4 S., R.70 W., Jefferson County, Hydrologic
Unit 10190002, on left bank at Morrison, 180 ft upstream from bridge on State Highway 8 and 0.2 mi
upstream from Mount Vernon Creek.

DRAINAGE AREA AND PERIOD OF RECORD.--164 mi². Sporadic, incomplete data Sep. 1881 to Feb. 1902. Good data
October 1919 to current year. Monthly data for some periods only. Some early years published as
near Morrison, at Starbuck, at Idledale. Water quality data from Oct. 1976 to Sep. 1981.

GAGE.--Water-stage recorder with satellite telemetry, shaft encoder and Telemark in a 48-inch metal shelter
and well. A new concrete wier was installed and put into operation Sep. 10, 2002.

REMARKS.--Hourly data is the primary record, taken from satellite monitoring with chart back-up. Mean
daily values from the chart were used on the following days when the satellite record was missing:
April 4-8. The record is complete except for the following period when both chart and satellite data
were not reliable due to inlet isolation and control construction: August 27-31 September 1-10,
2002. The record is reliable except for the following periods during the winter period when ice
accumulates on the control: November 22, 2001 to March 5, 2002 and March 8, 9. The record is rated
as fair due to poor definition of the ratings at historic low flows. November 22 to March 5; March
8, 9; August 27 to September 13; September 19; and the instantaneous peak flow were estimated.
Station maintained and record developed by Rodger Burcher.

RATING TABLE.--BCRMORCO21 USED FROM 01-OCT-2001 TO 26-AUG-2002
BCRMORCO22 USED FROM 10-SEP-2002 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 23 18 13 12 11 10 17 12 16 3.9 1 4.3
2 22 18 13 12 11 10 17 13 13 3.4 .94 3
3 21 19 13 12 11 10 12 13 13 2.1 1.5 2
4 20 18 13 12 11 10 15 11 17 2.1 2.4 2
5 22 17 13 12 11 11 16 11 33 2.6 5.8 2
6 22 17 13 12 11 12 17 10 25 4.8 10 2
7 23 18 13 12 11 12 16 11 21 10 13 1
8 21 21 13 12 11 11 16 11 15 12 7.2 1
9 22 19 13 12 11 12 15 11 12 7.9 6.5 1
10 22 14 13 12 11 12 16 10 11 6.3 5.1 10
11 21 15 13 12 11 12 17 11 10 4.8 4.1 31
12 22 23 13 12 11 12 17 15 10 4.6 3.9 23
13 23 20 13 12 11 13 16 16 9 3.8 3.7 36
14 20 20 13 12 11 14 16 14 9.1 2.6 3.2 21
15 21 17 13 12 11 14 18 16 8.9 1.5 3.1 14
16 23 18 12 11 10 13 19 14 8.7 1.4 3 11
17 22 17 12 11 10 12 15 16 8.2 1.3 2.3 9.2
18 21 18 12 11 10 13 13 15 7 1.2 2.3 8.5
19 20 18 12 11 10 13 14 15 6 .95 2.7 25
20 20 14 12 11 10 12 14 13 5.8 .62 2 15
21 20 15 12 11 10 13 13 14 6.5 .97 1.8 15
22 20 15 12 11 10 14 12 15 7.9 1.5 2.9 12
23 23 15 12 11 10 15 11 12 8.2 .88 3.5 11
24 19 14 12 11 10 14 11 23 7.2 2 3.2 10
25 16 13 12 11 10 13 11 25 5.2 2.8 3.3 10
26 18 13 12 11 10 12 11 31 4.8 2.2 3.3 11
27 19 13 12 11 10 13 12 29 4.9 1.9 3 12
28 21 13 12 11 10 15 12 26 4.1 1.1 3 12
29 20 13 12 11 --- 15 11 23 4.1 .74 3 12
30 20 13 12 11 --- 15 10 18 3.9 .96 6 11
31 22 --- 12 11 --- 16 --- 16 --- 1 6 ---

TOTAL 649 496 387 356 295 393 430 490 315.5 93.92 122.74 338
MEAN 21 17 13 12 11 13 14 16 10.5 3.03 3.96 11.3
AC-FT 1290 984 768 706 585 780 853 972 626 186 243 670
MAX 23 23 13 12 11 16 19 31 33 12 13 36
MIN 16 13 12 11 10 10 10 10 3.9 .62 .94 1

WTR YR 2002 TOTAL 4366.16 MEAN 12 MAX 36 MIN .62 AC-FT 8660

MAX DISCH: 49.5 CFS AT 17:30 ON Sep. 13, 2002 GH 6.22 FT. SHIFT 0.04 FT.
MAX GH: 6.22 FT. AT 17:30 ON Sep. 13, 2002
FOR MORE COMPLETE OR DETAILED INFORMATION SEE DAILY OR MONTHLY RECORD.
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