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19 <br />RIO GRANDE BASIN <br />08223000 RIO GRANDE AT ALAMOSA, CO (1981) <br />LOCATION. - -Lat 37 °28'53 ", long 105 °52'46 ", in SEaNE'a sec. 4. T. 37 N., R. 10 E., Alamosa County, on right <br />bank 0.2 mile northwest of city limits of Alamosa and 9 miles upstream from Alamosa Creek. <br />DRAINAGE AREA.- -1,710 mil. <br />GAGE. -- Water -stage recorder in a timber shelter and well. Datum of gage is 7,532.66 ft. <br />RATING TABLE.-- RIOALAC019 USED FROM 01 -OCT -1980 TO 30 -SEP -1981 <br />DISCHARGE, IN CFS, WATER YEAR OCTOBER 1980 TO SEPTEMBER 1981 <br />MEAN VALUES <br />DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP <br />1 <br />19 <br />23 <br />255 <br />230 <br />165 <br />197 <br />37 <br />44 <br />35 <br />123 <br />103 <br />132 <br />2 <br />19 <br />27 <br />255 <br />225 <br />160 <br />206 <br />35 <br />44 <br />39 <br />137 <br />91 <br />137 <br />3 <br />19 <br />28 <br />250 <br />215 <br />160 <br />209 <br />34 <br />43 <br />34 <br />192 <br />111 <br />114 <br />4 <br />19 <br />29 <br />255 <br />215 <br />160 <br />208 <br />31 <br />190 <br />82 <br />144 <br />118 <br />116 <br />5 <br />19 <br />24 <br />260 <br />220 <br />175 <br />199 <br />31 <br />110 <br />98 <br />130 <br />97 <br />117 <br />6 <br />20 <br />22 <br />260 <br />210 <br />175 <br />194 <br />28 <br />31 <br />78 <br />105 <br />82 <br />116 <br />7 <br />20 <br />22 <br />235 <br />190 <br />160 <br />204 <br />26 <br />23 <br />125 <br />98 <br />86 <br />117 <br />8 <br />21 <br />22 <br />220 <br />180 <br />135 <br />194 <br />24 <br />22 <br />117 <br />86 <br />90 <br />121 <br />9 <br />22 <br />20 <br />200 <br />185 <br />170 <br />192 <br />25 <br />47 <br />100 <br />78 <br />84 <br />130 <br />10 <br />20 <br />19 <br />185 <br />185 <br />175 <br />196 <br />24 <br />75 <br />157 <br />77 <br />96 <br />130 <br />11 <br />20 <br />19 <br />195 <br />190 <br />175 <br />194 <br />31 <br />68 <br />201 <br />108 <br />126 <br />130 <br />12 <br />22 <br />19 <br />210 <br />195 <br />180 <br />206 <br />28 <br />43 <br />202 <br />226 <br />175 <br />132 <br />13 <br />21 <br />19 <br />220 <br />200 <br />165 <br />199 <br />28 <br />33 <br />314 <br />190 <br />200 <br />134 <br />14 <br />24 <br />70 <br />235 <br />165 <br />190 <br />201 <br />28 <br />35 <br />179 <br />171 <br />144 <br />157 <br />15 <br />32 <br />184 <br />240 <br />180 <br />210 <br />199 <br />27 <br />37 <br />140 <br />158 <br />120 <br />171 <br />16 <br />34 <br />228 <br />240 <br />185 <br />210 <br />201 <br />27 <br />36 <br />137 <br />189 <br />133 <br />150 <br />17 <br />35 <br />220 <br />250 <br />175 <br />225 <br />201 <br />27 <br />42 <br />116 <br />169 <br />142 <br />130 <br />18 <br />33 <br />226 <br />250 <br />165 <br />210 <br />199 <br />27 <br />36 <br />84 <br />154 <br />144 <br />127 <br />19 <br />31 <br />175 <br />245 <br />175 <br />220 <br />197 <br />45 <br />32 <br />94 <br />120 <br />158 <br />121 <br />20 <br />30 <br />175 <br />235 <br />185 <br />224 <br />196 <br />39 <br />31 <br />92 <br />94 <br />132 <br />123 <br />21 <br />31 <br />175 <br />225 <br />180 <br />226 <br />206 <br />19 <br />31 <br />73 <br />75 <br />122 <br />118 <br />22 <br />30 <br />165 <br />230 <br />170 <br />217 <br />199 <br />18 <br />28 <br />78 <br />61 <br />116 <br />103 <br />23 <br />23 <br />175 <br />230 <br />165 <br />199 <br />192 <br />19 <br />28 <br />76 <br />72 <br />108 <br />94 <br />24 <br />21 <br />175 <br />230 <br />170 <br />201 <br />166 <br />19 <br />36 <br />81 <br />64 <br />107 <br />96 <br />25 <br />21 <br />195 <br />215 <br />180 <br />202 <br />107 <br />27 <br />31 <br />63 <br />106 <br />109 <br />99 <br />26 <br />19 <br />225 <br />220 <br />175 <br />202 <br />103 <br />35 <br />36 <br />54 <br />158 <br />103 <br />113 <br />27 <br />19 <br />240 <br />240 <br />180 <br />202 <br />91 <br />40 <br />30 <br />63 <br />155 <br />92 <br />122 <br />28 <br />22 <br />240 <br />250 <br />170 <br />189 <br />64 <br />46 <br />24 <br />80 <br />181 <br />84 <br />116 <br />29 <br />24 <br />240 <br />245 <br />140 <br />- -- <br />53 <br />27 <br />27 <br />77 <br />148 <br />97 <br />113 <br />30 <br />22 <br />250 <br />240 <br />155 <br />- -- <br />46 <br />22 <br />26 <br />91 <br />120 <br />118 <br />114 <br />31 <br />23 <br />- -- <br />220 <br />160 <br />- -- <br />41 <br />- -- <br />24 <br />- -- <br />113 <br />129 <br />- -- <br />TOTAL <br />735 <br />3651 <br />7240 <br />5715 <br />5282 <br />5260 <br />874 <br />1343 <br />3160 <br />4002 <br />3617 <br />3693 <br />MEAN <br />23.7 <br />122 <br />234 <br />184 <br />189 <br />170 <br />29.1 <br />43.3 <br />105 <br />129 <br />117 <br />123 <br />AC -FT <br />1460 <br />7240 14360 <br />11340 <br />10480 <br />10430 <br />1730 <br />2660 <br />6270 <br />7940 <br />7170 <br />7330 <br />MAX <br />35 <br />250 <br />260 <br />230 <br />226 <br />209 <br />46 <br />190 <br />314 <br />226 <br />200 <br />171 <br />MIN <br />19 <br />19 <br />185 <br />140 <br />135 <br />41 <br />18 <br />22 <br />34 <br />61 <br />82 <br />94 <br />CAL YR <br />1980 TOTAL <br />102166 <br />MEAN <br />279 <br />MAX <br />1900 MIN <br />19 AC -FT <br />202600 <br />WTR YR <br />1981 TOTAL <br />44572 <br />MEAN <br />122 <br />MAX <br />314 MIN <br />18 AC -FT <br />88410 <br />MAX DISCH 383 CFS AT 1430 <br />13- JUN -1981 <br />GH <br />3.50 FT. <br />SHIFT -0.03 <br />FT. <br />MAX GH <br />4.67 FT. <br />AT 1230 <br />31- DEC -1980 <br />350 <br />300 <br />250 <br />200 <br />150 <br />100 <br />50 <br />0 <br />Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep <br />