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20 <br />RIO GRANDE BASIN <br />08223000 RIO GRANDE AT ALAMOSA, CO (1982) <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 -1981 TO 30 -SEP -1982 <br />DISCHARGE, IN CFS, WATER YEAR OCTOBER 1981 TO SEPTEMBER 1982 <br />MEAN VALUES <br />DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP <br />1 <br />121 <br />179 <br />130 <br />50 <br />190 <br />270 <br />272 <br />209 <br />250 <br />540 <br />132 <br />150 <br />2 <br />120 <br />197 <br />180 <br />150 <br />190 <br />280 <br />272 <br />226 <br />174 <br />580 <br />206 <br />240 <br />3 <br />116 <br />358 <br />160 <br />170 <br />195 <br />280 <br />282 <br />241 <br />168 <br />560 <br />266 <br />340 <br />4 <br />144 <br />442 <br />160 <br />150 <br />185 <br />290 <br />268 <br />247 <br />201 <br />550 <br />310 <br />360 <br />5 <br />182 <br />490 <br />200 <br />140 <br />185 <br />265 <br />264 <br />296 <br />260 <br />500 <br />330 <br />370 <br />6 <br />114 <br />440 <br />190 <br />140 <br />170 <br />240 <br />262 <br />336 <br />288 <br />520 <br />320 <br />360 <br />7 <br />117 <br />440 <br />209 <br />155 <br />155 <br />220 <br />196 <br />330 <br />202 <br />570 <br />328 <br />370 <br />8 <br />126 <br />468 <br />201 <br />160 <br />155 <br />220 <br />206 <br />316 <br />136 <br />530 <br />385 <br />365 <br />9 <br />117 <br />475 <br />194 <br />155 <br />160 <br />230 <br />99 <br />328 <br />163 <br />425 <br />418 <br />368 <br />10 <br />118 <br />478 <br />185 <br />155 <br />165 <br />245 <br />78 <br />348 <br />218 <br />388 <br />430 <br />360 <br />11 <br />102 <br />435 <br />132 <br />160 <br />170 <br />270 <br />65 <br />345 <br />296 <br />276 <br />440 <br />375 <br />12 <br />91 <br />412 <br />132 <br />170 <br />170 <br />274 <br />55 <br />345 <br />328 <br />182 <br />422 <br />330 <br />13 <br />105 <br />412 <br />127 <br />170 <br />175 <br />300 <br />54 <br />368 <br />370 <br />154 <br />415 <br />402 <br />14 <br />111 <br />382 <br />123 <br />180 <br />175 <br />304 <br />63 <br />372 <br />382 <br />150 <br />430 <br />499 <br />15 <br />113 <br />400 <br />113 <br />170 <br />175 <br />292 <br />58 <br />368 <br />324 <br />157 <br />438 <br />499 <br />16 <br />121 <br />395 <br />101 <br />170 <br />180 <br />300 <br />82 <br />352 <br />258 <br />149 <br />478 <br />499 <br />17 <br />137 <br />382 <br />75 <br />175 <br />180 <br />290 <br />130 <br />402 <br />190 <br />109 <br />420 <br />511 <br />18 <br />166 <br />380 <br />85 <br />180 <br />185 <br />290 <br />137 <br />202 <br />348 <br />87 <br />340 <br />560 <br />19 <br />142 <br />362 <br />80 <br />185 <br />190 <br />280 <br />152 <br />158 <br />322 <br />73 <br />330 <br />610 <br />20 <br />127 <br />340 <br />90 <br />190 <br />200 <br />254 <br />120 <br />113 <br />224 <br />65 <br />350 <br />670 <br />21 <br />133 <br />302 <br />45 <br />200 <br />210 <br />233 <br />133 <br />105 <br />209 <br />56 <br />340 <br />720 <br />22 <br />133 <br />312 <br />35 <br />200 <br />210 <br />222 <br />137 <br />157 <br />213 <br />40 <br />370 <br />802 <br />23 <br />143 <br />348 <br />70 <br />190 <br />220 <br />226 <br />146 <br />181 <br />239 <br />28 <br />445 <br />637 <br />24 <br />166 <br />342 <br />75 <br />190 <br />220 <br />237 <br />146 <br />185 <br />249 <br />29 <br />472 <br />598 <br />25 <br />171 <br />340 <br />70 <br />185 <br />240 <br />243 <br />163 <br />201 <br />270 <br />30 <br />637 <br />583 <br />26 <br />171 <br />290 <br />50 <br />195 <br />250 <br />252 <br />157 <br />168 <br />350 <br />30 <br />746 <br />568 <br />27 <br />158 <br />230 <br />45 <br />205 <br />270 <br />270 <br />158 <br />154 <br />442 <br />29 <br />481 <br />508 <br />28 <br />137 <br />194 <br />50 <br />215 <br />270 <br />274 <br />160 <br />290 <br />462 <br />47 <br />268 <br />470 <br />29 <br />137 <br />179 <br />55 <br />220 <br />- -- <br />284 <br />161 <br />192 <br />511 <br />77 <br />345 <br />458 <br />30 <br />179 <br />185 <br />50 <br />205 <br />- -- <br />312 <br />190 <br />324 <br />465 <br />77 <br />274 <br />458 <br />31 <br />184 <br />- -- <br />45 <br />200 <br />- -- <br />300 <br />- -- <br />418 <br />- -- <br />93 <br />174 <br />- -- <br />TOTAL <br />4202 <br />10589 <br />3457 <br />5380 <br />5440 <br />8247 <br />4666 <br />8277 <br />8512 <br />7101 <br />11740 <br />14040 <br />MEAN <br />136 <br />353 <br />112 <br />174 <br />194 <br />266 <br />156 <br />267 <br />284 <br />229 <br />379 <br />468 <br />AC -FT <br />8330 <br />21000 <br />6860 <br />10670 <br />10790 <br />16360 <br />9260 <br />16420 <br />16880 14080 <br />23290 <br />27850 <br />MAX <br />184 <br />490 <br />209 <br />220 <br />270 <br />312 <br />282 <br />418 <br />511 <br />580 <br />746 <br />802 <br />MIN <br />91 <br />179 <br />35 <br />50 <br />155 <br />220 <br />54 <br />105 <br />136 <br />28 <br />132 <br />150 <br />CAL YR <br />1981 TOTAL 51194 <br />MEAN <br />140 <br />MAX <br />490 <br />MIN <br />18 AC -FT <br />101500 <br />WTR YR <br />1982 TOTAL 91651 <br />MEAN <br />251 <br />MAX <br />802 <br />MIN <br />28 AC -FT <br />181800 <br />MAX DISCH 884 <br />CFS AT 0730 <br />22 -SEP <br />-1982 GH <br />5.42 <br />FT. SHIFT <br />-0.31 FT. <br />MAX GH <br />5.42 FT. <br />AT 0730 <br />22 -SEP -1982 <br />900 <br />800 <br />700 <br />600 <br />500 <br />400 <br />300 <br />200 <br />100 <br />0 <br />Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep <br />