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24 <br />RIO GRANDE BASIN <br />08223000 RIO GRANDE AT ALAMOSA, CO (1986) <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 with satellite telemetry in a timber shelter and well. Datum of gage is 7,532.66 <br />ft. <br />RATING TABLE.-- RIOALACO20 USED FROM 01 -OCT -1985 TO 30 -SEP -1986 <br />DISCHARGE, IN CFS, WATER YEAR OCTOBER 1985 TO SEPTEMBER 1986 <br />MEAN VALUES <br />DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP <br />1 <br />178 <br />196 <br />454 <br />320 <br />370 <br />394 <br />668 <br />148 <br />1600 <br />2320 <br />98 <br />70 <br />2 <br />119 <br />324 <br />421 <br />305 <br />365 <br />388 <br />736 <br />365 <br />1350 <br />2030 <br />76 <br />73 <br />3 <br />92 <br />343 <br />448 <br />300 <br />360 <br />400 <br />820 <br />700 <br />1240 <br />1630 <br />55 <br />73 <br />4 <br />75 <br />343 <br />436 <br />310 <br />350 <br />412 <br />820 <br />990 <br />1280 <br />1360 <br />51 <br />70 <br />5 <br />63 <br />332 <br />409 <br />295 <br />220 <br />415 <br />716 <br />1220 <br />1550 <br />1330 <br />46 <br />70 <br />6 <br />56 <br />335 <br />360 <br />290 <br />290 <br />421 <br />608 <br />1350 <br />1960 <br />1400 <br />46 <br />102 <br />7 <br />55 <br />306 <br />365 <br />295 <br />240 <br />424 <br />493 <br />1190 <br />2650 <br />1550 <br />53 <br />103 <br />8 <br />67 <br />222 <br />390 <br />300 <br />270 <br />442 <br />566 <br />752 <br />3320 <br />1370 <br />58 <br />100 <br />9 <br />166 <br />202 <br />305 <br />310 <br />280 <br />457 <br />505 <br />346 <br />4270 <br />1190 <br />51 <br />119 <br />10 <br />225 <br />300 <br />270 <br />300 <br />330 <br />469 <br />451 <br />255 <br />4390 <br />1360 <br />47 <br />189 <br />11 <br />264 <br />332 <br />210 <br />300 <br />325 <br />433 <br />442 <br />175 <br />3630 <br />1810 <br />46 <br />293 <br />12 <br />209 <br />380 <br />240 <br />290 <br />310 <br />424 <br />424 <br />97 <br />2780 <br />1800 <br />45 <br />439 <br />13 <br />267 <br />415 <br />280 <br />300 <br />305 <br />412 <br />400 <br />79 <br />2420 <br />1590 <br />44 <br />363 <br />14 <br />243 <br />597 <br />295 <br />300 <br />300 <br />383 <br />394 <br />70 <br />2370 <br />1490 <br />51 <br />335 <br />15 <br />217 <br />804 <br />305 <br />300 <br />390 <br />374 <br />330 <br />78 <br />2630 <br />1340 <br />60 <br />298 <br />16 <br />181 <br />955 <br />305 <br />295 <br />395 <br />365 <br />254 <br />70 <br />2970 <br />1100 <br />57 <br />259 <br />17 <br />143 <br />1010 <br />310 <br />300 <br />410 <br />371 <br />220 <br />70 <br />2990 <br />945 <br />55 <br />212 <br />18 <br />133 <br />1100 <br />320 <br />310 <br />405 <br />383 <br />285 <br />60 <br />2970 <br />628 <br />52 <br />189 <br />19 <br />139 <br />1080 <br />330 <br />310 <br />425 <br />363 <br />228 <br />50 <br />2950 <br />636 <br />50 <br />160 <br />20 <br />155 <br />965 <br />330 <br />310 <br />435 <br />335 <br />174 <br />45 <br />2920 <br />688 <br />50 <br />120 <br />21 <br />147 <br />800 <br />340 <br />315 <br />445 <br />332 <br />157 <br />50 <br />2800 <br />990 <br />49 <br />85 <br />22 <br />120 <br />525 <br />350 <br />315 <br />412 <br />346 <br />140 <br />202 <br />2510 <br />985 <br />48 <br />75 <br />23 <br />114 <br />505 <br />345 <br />300 <br />377 <br />349 <br />165 <br />199 <br />2370 <br />892 <br />48 <br />89 <br />24 <br />113 <br />500 <br />345 <br />300 <br />391 <br />363 <br />287 <br />343 <br />2240 <br />884 <br />53 <br />99 <br />25 <br />103 <br />550 <br />340 <br />305 <br />412 <br />380 <br />340 <br />412 <br />1990 <br />904 <br />63 <br />110 <br />26 <br />95 <br />545 <br />340 <br />310 <br />418 <br />400 <br />386 <br />256 <br />1770 <br />820 <br />95 <br />178 <br />27 <br />88 <br />508 <br />335 <br />310 <br />430 <br />436 <br />388 <br />439 <br />1780 <br />676 <br />95 <br />181 <br />28 <br />88 <br />472 <br />310 <br />330 <br />418 <br />487 <br />316 <br />768 <br />1880 <br />544 <br />106 <br />174 <br />29 <br />95 <br />427 <br />325 <br />340 <br />- -- <br />558 <br />165 <br />1040 <br />1960 <br />400 <br />102 <br />166 <br />30 <br />171 <br />448 <br />325 <br />360 <br />- -- <br />628 <br />110 <br />1350 <br />2050 <br />238 <br />112 <br />168 <br />31 <br />184 <br />- -- <br />330 <br />380 <br />- -- <br />672 <br />- -- <br />1670 <br />- -- <br />126 <br />80 <br />- -- <br />TOTAL <br />4365 <br />15821 <br />10468 <br />9605 <br />10078 <br />13016 <br />11988 <br />14839 <br />73590 <br />35026 <br />1942 <br />4962 <br />MEAN <br />141 <br />527 <br />338 <br />310 <br />360 <br />420 <br />400 <br />479 <br />2453 <br />1130 <br />62.6 <br />165 <br />AC -FT <br />8660 <br />31380 <br />20760 <br />19050 <br />19990 <br />25820 <br />23780 <br />29430 <br />146000 <br />69470 <br />3850 <br />9840 <br />MAX <br />267 <br />1100 <br />454 <br />380 <br />445 <br />672 <br />820 <br />1670 <br />4390 <br />2320 <br />112 <br />439 <br />MIN <br />55 <br />196 <br />210 <br />290 <br />220 <br />332 <br />110 <br />45 <br />1240 <br />126 <br />44 <br />70 <br />CAL YR <br />1985 TOTAL 225536 MEAN <br />618 <br />MAX <br />4240 <br />MIN <br />23 AC <br />-FT 447400 <br />WTR YR <br />1986 TOTAL 205700 MEAN <br />564 <br />MAX <br />4390 <br />MIN <br />44 AC <br />-FT 408000 <br />MAX DISCH 4600 <br />CFS AT <br />2230 09- JUN <br />-1986 GH <br />8.62 <br />FT. SHIFT <br />-0.02 <br />FT. MAX <br />GH 8.62 <br />FT. AT 2230 <br />09- JUN -1986 <br />4500 <br />4000 <br />3500 <br />3000 <br />2500 <br />2000 <br />1500 <br />1000 <br />500 <br />0 <br />Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep <br />