DWR_2669027

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

34

PLATTE RIVER BASIN

06744000 BIG THOMPSON RIVER AT MOUTH NEAR LASALLE, CO

LOCATION.--Lat 40°21'00", long 104°47'04".

DRAINAGE AREA.--N/A

GAGE.--Graphic A-35 water-stage recorder with satellite telemetry.

REMARKS.--The DCP is the primary source of record. The chart was used Aug. 30-31; Sept. 1-16, 1991. Record is complete
and reliable except for the following periods: discharge ice affected Dec. 15-31, 1990 and Jan. 1-20, 1991.
Record good, except that for periods of ice effect which is fair. Station maintained and records developed by
Merlin E. Friedrichsen.

RATING TABLE.--BIGLASCO23 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 69 99 67 46 57 52 31 1.4 48 53 65 84
2 77 70 65 46 53 49 25 1.5 353 64 83 89
3 73 67 72 50 52 52 23 1.8 582 67 141 97
4 67 65 82 49 53 52 23 5.7 446 63 190 87
5 64 70 63 45 53 54 23 11 233 69 123 89
6 63 73 62 47 54 53 21 12 134 58 88 103
7 62 75 57 47 55 51 16 10 193 55 103 113
8 68 70 57 49 56 49 16 7.7 101 72 74 99
9 72 71 57 48 55 47 12 4.1 67 75 82 89
10 68 70 57 48 55 50 5.8 3.0 48 81 150 101
11 67 69 56 48 55 51 6.1 3.1 36 78 164 89
12 67 68 58 50 56 54 7.2 4.9 30 85 169 76
13 65 69 57 51 55 48 15 5.7 28 108 161 76
14 64 70 56 53 55 49 14 3.0 23 82 150 71
15 66 70 56 50 54 48 12 2.7 15 80 152 66
16 65 71 56 50 54 46 12 15 9.7 76 166 62
17 62 72 56 51 56 46 10 83 6.2 86 175 62
18 64 71 56 51 55 47 6.1 61 5.7 91 115 77
19 65 68 35 49 53 47 5.3 36 5.4 98 113 85
20 64 66 40 50 54 46 2.1 29 5.4 102 120 84
21 64 65 50 54 54 45 1.5 37 5.6 106 109 75
22 65 64 48 57 53 44 1.3 35 36 131 112 75
23 66 65 48 59 52 43 0.92 85 79 302 113 74
24 65 65 48 53 51 48 1.1 78 27 159 111 65
25 68 64 48 56 50 44 1.2 38 27 101 93 56
26 68 66 48 51 50 45 1.4 25 19 91 90 48
27 64 68 48 60 52 45 1.5 25 21 90 76 41
28 67 70 44 54 54 44 1.4 25 32 85 77 38
29 61 73 40 44 --- 43 1.4 34 36 74 126 44
30 188 66 44 52 --- 42 1.6 48 55 68 119 71
31 217 --- 45 61 --- 42 --- 40 --- 64 80 ---

TOTAL 2325 2090 1676 1579 1506 1476 298.92 771.6 2707.0 2814 3690 2286
MEAN 75.0 69.7 54.1 50.9 53.8 47.6 9.96 24.9 90.2 90.8 119 76.2
AC-FT 4610 4150 3320 3130 2990 2930 593 1530 5370 5580 7320 4530
MAX 217 99 82 61 57 54 31 85 582 302 190 113
MIN 61 64 35 44 50 42 0.92 1.4 5.4 53 65 38

CAL YR 1990 TOTAL 25463.5 MEAN 69.8 MAX 287 MIN 3.2 AC-FT 50510
WTR YR 1991 TOTAL 23219.52 MEAN 63.6 MAX 582 MIN 0.92 AC-FT 46060

MAX DISCH 776 CFS AT 1715 02-JUN-1991 GH 3.88 FT. SHIFT 0.00 FT. MAX GH 3.88 FT. AT 1715
02-JUN-1991