DWR_2669029

• Title: STREAM FLOW DATA FOR COLORADO
• Year: 1992
• Document Type - Publications and Reports: Streamflow Report

21

PLATTE RIVER BASIN

06725500 MIDDLE BOULDER CREEK AT NEDERLAND, CO

LOCATION.--Lat 39°57'42", long 105°30'14", in NE¼SE¼ sec.13, T.l S., R.73 W., Boulder County, Hydrologic Unit 10190005, on
left bank at Nederland just downstream from North Beaver Creek and 1,000 ft upstream from Barker Reservoir.

DRAINAGE AREA.--36.2 mi2.

GAGE.--Water-stage recorder and compound sharp-crested weir, Datum of gage is 8,186.0 ft, Public Service Co. datum. Prior
to Mar. 18, 1909, at datum 4.0 ft, lower. Mar. 18, 1909, to Apr. 23, 1952, at datum 2.5 ft, lower than present
datum. Levels were run to inside gage on July 24, 1991 using RM Mo.1 as base. Gage was found to be reading 0.01
ft low. No correction was made as the reading was within the allowable limit of +-0.02 ft.

REMARKS.--Record is complete and reliable except for the following period: Jun. 22-23, 1992 when intake was blocked by
debris. Stage-discharge relation affected by ice Nov. 3-4, 23-25, 30; Dec. 1-2, 14-16, 1991; Jan. 2, 13-16, 22-
23; Feb. 18-19, 1992. Record good except for periods of no gage-height record and ice affect which is fair.
Station maintained by Public Service Co. of Co. and records developed by Fred Renner.

RATING TABLE.--BOCMIDCO07 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 17 11 7.7 4.5 4.5 4.7 8.5 112 122 143 43 34
2 15 12 8.1 4.1 4.5 4.7 7.5 110 108 128 42 37
3 14 12 8.3 4.1 4.3 4.5 8.5 93 124 102 42 31
4 14 12 7.9 4.1 4.3 4.9 11 104 156 99 48 29
5 13 12 7.8 4.5 4.5 5.1 14 110 160 108 45 31
6 14 13 7.7 4.5 4.3 5.1 17 124 151 118 43 28
7 14 12 7.3 4.9 4.1 5.1 18 158 154 128 42 26
8 13 12 7.3 4.9 4.3 4.5 18 147 154 136 41 24
9 12 12 7.1 5.1 4.3 5.5 22 145 149 130 40 20
10 11 12 6.9 4.9 4.1 5.7 25 130 147 112 42 20
11 11 12 6.7 5.1 3.7 5.3 29 104 169 102 44 19
12 10 11 6.3 5.3 3.7 5.1 29 108 185 99 44 19
13 10 10 6.5 4.9 3.9 5.3 35 114 194 101 41 19
14 10 9.3 6.5 4.9 3.9 5.3 39 126 185 90 36 18
15 10 9.1 6.5 4.9 4.1 5.5 41 136 171 83 34 18
16 9.4 8.9 6.1 4.9 4.1 5.7 46 143 147 82 34 18
17 9.3 8.7 5.5 4.9 4.1 5.7 44 151 124 80 42 25
18 9.1 8.9 5.3 5.1 4.1 5.7 44 167 118 72 41 23
19 9.1 8.9 5.5 5.1 3.7 5.7 38 174 101 72 37 21
20 9.5 9.3 5.7 4.9 3.7 5.5 35 194 97 80 34 23
21 11 9.5 5.7 4.7 3.7 6.7 34 229 74 75 34 20
22 13 8.1 5.6 4.1 3.5 5.5 34 208 90 69 34 18
23 14 8.1 5.5 3.9 3.5 5.5 33 194 149 65 37 16
24 15 8.1 5.3 3.9 3.9 5.7 31 204 174 68 58 15
25 15 8.0 5.3 3.9 4.3 6.1 31 194 190 72 53 17
26 15 8.1 5.3 3.9 4.7 6.1 34 183 199 66 50 18
27 16 8.5 4.7 3.9 4.7 6.5 40 220 167 58 42 17
28 15 8.5 4.7 4.1 4.9 7.3 54 185 162 53 35 15
29 8.3 8.5 5.1 4.3 4.9 7.5 75 156 165 50 31 14
30 10 7.7 4.4 4.5 --- 8.5 97 145 147 47 30 14
31 12 --- 4.3 4.5 --- 8.1 --- 130 --- 46 30 ---

TOTAL 378.7 299.2 192.6 141.3 120.3 178.1 992.5 4698 4433 2734 1249 647
MEAN 12.2 9.97 6.21 4.56 4.15 5.75 33.1 152 148 88.2 40.3 21.6
AC-FT 751 593 382 280 239 353 1970 9320 8790 5420 2480 1280
MAX 17 13 8.3 5.3 4.9 8.5 97 229 199 143 58 37
MIN 8.3 7.7 4.3 3.9 3.5 4.5 7.5 93 74 46 30 14

CAL YR 1991 TOTAL 17592.7 MEAN 48.2 MAX 359 MIN 4.3 AC-FT 34900
WTR YR 1992 TOTAL 16063.7 MEAN 43.9 MAX 229 MIN 3.5 AC-FT 31860

MAX DISCH 269 CFS AT 2330 26-MAY-1992 GH 2.40 FT. SHIFT 0.02 FT. MAX GH 2.40 FT. AT 2330
26-MAY-1992