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<br />
<br />PLATTE RIVER BASIN
<br />
<br />06727000 BOULDER CREEK NEAR ORODELL, CO
<br />
<br />LOCATION.--Lat 40°00'23", long 105°19'49", in NE¼SW¼ sec. 34, T.l N., R.71 W., Boulder County, Hydrologic
<br />Unit 10190005, on left bank along State Highway 119, 0.7 mi southwest of old Orodell, 1.1 mi
<br />upstream from Fourmile Creek, and 2.9 mi southwest of courthouse in Boulder.
<br />
<br />DRAINAGE AREA.--102 mi².
<br />
<br />GAGE.--Water-stage recorder with satellite telemetry and shaft encoder in a 6’X6’ concrete shelter. The
<br />DCP is the primary record with chart recorder as backup.
<br />
<br />REMARKS.--Record is complete and reliable except for the following periods: Aug. 15-22, 1994 when gaging
<br />station was replaced. The stage-discharge relation was affected by thin ice layer during part of
<br />day on: Nov. 10, 16-17, 20-21, 24-28, 30; Dec. 1, 3-8, 11, 13, 19-24, 27-31, 1993; Jan. 1, 3-4, 8-
<br />9, 20-21, 25-31; Feb. 1-7, 9-16, 20-21, 23, 26; Mar. 1-2, 10, 1994. Graphic chart record was used
<br />on Oct. 19, 1993; May 21, 23, 28; Jun. 17-30; Jul. 1-12, 14-15, 20, 23, 25; Aug. 4, 8-10, 12-13, 23-
<br />24, 26-28; Sep. 11-12, 1994. Record is good, except for periods of no gage-height record and ice
<br />affect, which is fair. Station maintained and records developed by Fred Renner.
<br />
<br />RATING TABLE.--BOCOROCO13 USED FROM 01-OCT-1993 TO 30-SEP-1994
<br />
<br />DISCHARGE, IN CFS, WATER YEAR OCTOBER 1993 TO SEPTEMBER 1994
<br />MEAN VALUES
<br />
<br /> DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
<br />
<br /> 1 43 36 28 24 14 19 38 75 257 116 66 40
<br /> 2 36 17 26 29 13 22 37 74 262 116 92 37
<br /> 3 34 37 29 28 16 19 38 74 223 148 96 38
<br /> 4 35 28 24 20 21 22 43 74 199 131 87 45
<br /> 5 33 23 27 20 20 22 40 83 159 111 78 41
<br /> 6 29 27 23 19 19 22 32 91 141 104 64 25
<br /> 7 34 24 27 16 19 23 36 99 156 98 57 19
<br /> 8 30 27 26 17 17 20 39 98 161 76 52 18
<br /> 9 29 24 21 17 22 25 14 115 159 82 60 23
<br /> 10 37 25 29 19 18 27 50 148 154 89 52 44
<br /> 11 50 24 30 14 10 26 38 152 157 83 58 34
<br /> 12 39 26 28 19 34 15 36 162 173 83 67 31
<br /> 13 38 28 30 16 17 26 47 182 162 88 69 29
<br /> 14 35 36 23 16 21 27 52 151 149 96 81 28
<br /> 15 32 32 25 15 19 28 48 104 156 106 81 30
<br /> 16 31 28 29 18 19 30 51 118 156 102 74 28
<br /> 17 31 28 31 20 17 32 55 168 163 91 71 38
<br /> 18 35 32 29 19 20 30 52 188 170 84 69 33
<br /> 19 32 25 28 15 21 22 50 193 190 75 64 31
<br /> 20 29 17 26 21 25 44 66 203 186 77 61 24
<br /> 21 26 28 22 21 24 30 72 216 204 83 60 26
<br /> 22 22 21 30 17 20 23 66 217 244 78 58 28
<br /> 23 19 27 31 17 24 32 93 212 220 67 49 36
<br /> 24 20 27 33 19 25 32 92 222 208 77 36 33
<br /> 25 20 35 29 8.8 24 31 91 221 212 85 32 38
<br /> 26 22 28 26 19 13 35 91 258 190 85 36 37
<br /> 27 19 28 27 13 19 30 74 236 163 82 42 30
<br /> 28 17 22 23 14 22 33 73 231 157 75 42 26
<br /> 29 19 28 29 13 --- 30 69 236 146 69 54 22
<br /> 30 15 31 27 16 --- 34 68 227 118 65 49 26
<br /> 31 16 --- 27 17 --- 39 --- 231 --- 59 44 ---
<br />
<br /> TOTAL 907 819 843 556.8 553 850 1651 5059 5395 2781 1901 938
<br /> MEAN 29.3 27.3 27.2 18.0 19.8 27.4 55.0 163 180 89.7 61.3 31.3
<br /> AC-FT 1800 1620 1670 1100 1100 1690 3270 10030 10700 5520 3770 1860
<br /> MAX 50 37 33 29 34 44 93 258 262 148 96 45
<br /> MIN 15 17 21 8.8 10 15 14 74 118 59 32 18
<br />
<br /> CAL YR 1993 TOTAL 27099.6 MEAN 74.2 MAX 336 MIN 9.8 AC-FT 53750
<br /> WTR YR 1994 TOTAL 22253.8 MEAN 61.0 MAX 262 MIN 8.8 AC-FT 44140
<br />
<br /> MAX DISCH 285 CFS AT 0715 02-JUN-1994 GH 3.05 FT. SHIFT -0.03 FT. MAX GH 3.05 FT. AT 0715 02-JUN-1994
<br />0
<br />100
<br />200
<br />300
<br />OctNovDecJanFebMarAprMayJunJulAugSep
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