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43 <br /> <br />PLATTE RIVER BASIN <br /> <br />LITTLE THOMPSON RIVER @ CANYON MOUTH NEAR BERTHOUD, CO <br /> <br />LOCATION.--Lat 40º15’29”, long 105º12’21”, SW¼NW¼ sec. 2, T. 3 N., 70 W., Boulder County, on the left bank, <br />at the mouth of the Canyon, 1800 ft. upstream from the Culver Ditch Diversion and 8.5 mi. southwest <br />of Berthoud, Co. <br /> <br />DRAINAGE AREA.--100 mi². <br /> <br />GAGE.--Graphic water stage recorder with satellite monitoring in a 42" metal well. The drop tape is the <br />primary reference. The DCP is the primary record. <br /> <br />REMARKS.--The hourly satellite record is the primary record with chart as back up. Daily maximum and <br />minimum stages for the satellite record checked to within +0.02 with the chart. Record is complete <br />and reliable except for the following periods: November 05-April04: Station was closed for the <br />winter November 05-April 04: Partial record on closing and opening days. The record is fair, as <br />there were many days with flows less than 0.55 cfs and meter measurements were not made. Zero flow <br />occurred July 12, and September 2-8. Station maintained and record developed by Shera Sumerford. <br /> <br />RATING TABLE.--LTCANYCO12 USED FROM 01-OCT-2001 TO 30-SEP-2002 <br /> <br /> DISCHARGE, IN CFS, WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002 <br /> MEAN VALUES <br /> <br /> DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP <br /> <br /> 1 .36 .51 - - - - - .51 1.4 .46 .19 .08 <br /> 2 .32 .49 - - - - - .53 1.3 .48 .24 0 <br /> 3 .34 .49 - - - - - .49 1.2 .52 .29 0 <br /> 4 .4 .47 - - - - .36 .49 1.4 .54 .33 0 <br /> 5 .49 .49 - - - - .36 .51 5.3 .52 .29 0 <br /> 6 .46 - - - - - .36 .5 7.8 .52 .29 0 <br /> 7 .4 - - - - - .36 .56 6.2 .51 .26 0 <br /> 8 .41 - - - - - .37 .63 5 .46 .2 0 <br /> 9 .46 - - - - - .35 .63 3.9 .42 .17 .16 <br /> 10 .49 - - - - - .33 .64 2.9 .47 .16 .28 <br /> 11 .52 - - - - - .35 .72 2.5 .5 .09 .21 <br /> 12 .57 - - - - - .33 .82 2.2 .43 0 .65 <br /> 13 .64 - - - - - .31 .67 2 .37 .1 .32 <br /> 14 .7 - - - - - .32 .71 1.9 .35 .11 .21 <br /> 15 .86 - - - - - .31 .66 1.7 .33 .08 .17 <br /> 16 .77 - - - - - .3 .77 1.4 .32 .16 .15 <br /> 17 .43 - - - - - .3 .78 1.3 .32 .17 .15 <br /> 18 .4 - - - - - .33 .71 1.1 .31 .17 .16 <br /> 19 .41 - - - - - .36 .72 .92 .31 .18 .18 <br /> 20 .43 - - - - - .41 .71 .9 .28 .18 .18 <br /> 21 .46 - - - - - .42 .7 .79 .31 .19 .18 <br /> 22 .41 - - - - - .43 .71 .69 .4 .2 .19 <br /> 23 .44 - - - - - .43 .82 .58 .39 .2 .19 <br /> 24 .49 - - - - - .44 1.4 .51 .31 .19 .19 <br /> 25 .47 - - - - - .44 2.8 .49 .23 .19 .19 <br /> 26 .44 - - - - - .49 3.5 .5 .26 .18 .22 <br /> 27 .49 - - - - - .51 2.6 .53 .22 .19 .23 <br /> 28 .47 - - - - - .48 2.2 .52 .23 .21 .23 <br /> 29 .44 - - - --- - .49 1.9 .52 .23 .24 .22 <br /> 30 .44 - - - --- - .48 1.7 .52 .19 .25 .2 <br /> 31 .44 --- - - --- - --- 1.5 --- .19 .19 --- <br /> <br />TOTAL 14.85 2.45 - - - - 10.42 32.59 57.97 11.38 5.89 4.94 <br />MEAN .48 .08 - - - - .35 1.05 1.93 .37 .19 .16 <br />AC-FT 29 4.9 - - - - 21 65 115 23 12 9.8 <br />MAX .86 .51 - - - - .51 3.5 7.8 .54 .33 .65 <br />MIN .32 - - - - - - .49 .49 .19 0 0 <br /> <br />WTR YR 2002 TOTAL 140.49 MEAN .38 MAX 7.8 MIN 0 AC-FT 279 <br /> <br />MAX DISCH: 27.3 CFS AT 17:30 ON Sep. 12, 2002 GH 3.04 FT. SHIFT 0.0 FT. <br />MAX GH: 3.04 FT. AT 17:30 ON Sep. 12, 2002 <br /> <br />FOR MORE COMPLETE OR DETAILED INFORMATION SEE DAILY OR MONTHLY RECORD. <br /> <br />0 <br />2 <br />4 <br />6 <br />8 <br />10 <br />Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep <br />