BOARD02512

• Board Meeting Date: 1/27/2004
• Description: ISF Section - Instream Flow Appropriations - Fourmile Creek
• Board Meetings - Doc Type: Memo

Station: COTTONWOOD C BL HOT SPRINGS, NR BUENA VISTA, CO. ID: 07089000
Parameter: STREAM FLOW CFS Statistic: Mean
Year: 1911-1986 Latitude: 38:48:46
State: CO Longitude: 106:13:18
County: CHAFFEE Elevation: 8532.00
Drainage Area: 65.00
Monthly Statistics
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ~
# Days 1550 1412 1550 1500 1550 1500 1550 1550 1530 1519 1470 1519 18200
Avg Day 22.66 20.61 19.46 22.53 72.93 195.8 119.2 63.25 44.62 36.31 29.25 25.52 56.20
Max Day 34.00 31.00 29.00 74.00 328.0 740.0 780.0 247.0 164.0 256.0 54.00 43.00 780.0
Min Day 15.00 14.00 13.00 13.00 15.00 29.00 21.00 18.00 20.00 19.00 15.00 16.00 13.00
# Months 50 50 50 50 50 50 50 50 51 49 49 49 49
SDev Month 3.43 2.89 2.63 4.64 25.61 65.35 66.12 25.75 14.64 11.43 6.17 4.31 13.85
Skew Month 0.311 0.032 0.260 0.997 0.300 -0.260 1.60 1.11 1.05 1.29 0.884 0.243 0.427
Min Month 16.06 14.18 13.90 16.30 34.29 42.47 28.29 24.52 22.63 21.84 18.33 16.94 24.67
Max Month 32.10 28.48 26.97 37.47 125.8 335.8 386.6 144.8 88.27 76.13 45.87 35.97 93.32
Exceedences
1% 32.00 28.00 27.00 52.00 261.5 440.0 336.0 168.0 99.00 71.62 49.00 37.00 310.0
5% 28.00 26.00 24.00 34.00 198.0 352.0 243.0 119.0 78.00 59.00 43.00 33.00 202.0
10% 27.00 24.00 23.00 31.00 148.0 314.0 213.0 102.0 66.00 53.00 38.00 32.00 136.0
20% 26.00 23.00 22.00 26.00 106.0 273.0 176.0 81.00 55.00 44.00 34.00 29.00 72.00
50% 23.00 21.00 19.00 21.00 57.00 188.0 99.00 57.00 42.00 34.00 28.00 25.00 30.00
80% 20.00 18.00 17.00 18.00 31.00 116.0 59.00 40.00 31.00 26.00 24.00 22.00 21.00
90% 18.00 17.00 16.00 16.00 24.00 83.00 49.00 34.00 28.00 24.00 22.00 19.00 19.00
95% 17.00 15.00 14.00 15.00 21.00 64.00 41.00 29.00 25.00 23.00 20.00 18.00 17.00
I 99% 16.00 14.00 14.00 14.00 17.00 34.00 25.00 23.00 22.00 21.00 18.00 17.00 15.00
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Printed From: HYDRODAT A WEST_1, 07-21-03 OB:50:21 AM