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25 <br />RIO GRANDE BASIN <br />08223000 RIO GRANDE AT ALAMOSA, CO (1987) <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 -1986 TO 30 -SEP -1987 <br />DISCHARGE, IN CFS, WATER YEAR OCTOBER 1986 TO SEPTEMBER 1987 <br />MEAN VALUES <br />DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP <br />1 <br />204 <br />623 <br />668 <br />460 <br />290 <br />355 <br />511 <br />2780 <br />704 <br />1240 <br />34 <br />33 <br />2 <br />186 <br />846 <br />646 <br />430 <br />300 <br />370 <br />508 <br />2920 <br />780 <br />1110 <br />34 <br />32 <br />3 <br />165 <br />860 <br />606 <br />420 <br />310 <br />395 <br />508 <br />3010 <br />940 <br />1050 <br />36 <br />31 <br />4 <br />196 <br />869 <br />594 <br />430 <br />305 <br />400 <br />545 <br />3090 <br />1300 <br />904 <br />40 <br />31 <br />5 <br />272 <br />888 <br />598 <br />345 <br />300 <br />410 <br />561 <br />2740 <br />1890 <br />749 <br />61 <br />31 <br />6 <br />243 <br />864 <br />610 <br />300 <br />310 <br />410 <br />579 <br />2460 <br />2430 <br />589 <br />51 <br />31 <br />7 <br />259 <br />848 <br />617 <br />310 <br />305 <br />430 <br />630 <br />2360 <br />2570 <br />412 <br />42 <br />31 <br />8 <br />265 <br />840 <br />625 <br />315 <br />305 <br />450 <br />606 <br />2270 <br />2600 <br />267 <br />42 <br />31 <br />9 <br />277 <br />732 <br />610 <br />310 <br />310 <br />480 <br />608 <br />2410 <br />2810 <br />136 <br />42 <br />28 <br />10 <br />274 <br />714 <br />590 <br />300 <br />310 <br />525 <br />659 <br />2680 <br />3170 <br />88 <br />42 <br />26 <br />11 <br />298 <br />692 <br />345 <br />300 <br />365 <br />565 <br />711 <br />2770 <br />3580 <br />70 <br />47 <br />26 <br />12 <br />343 <br />734 <br />335 <br />285 <br />410 <br />655 <br />792 <br />2780 <br />3650 <br />62 <br />50 <br />23 <br />13 <br />397 <br />742 <br />360 <br />290 <br />420 <br />605 <br />921 <br />3030 <br />3610 <br />53 <br />39 <br />21 <br />14 <br />406 <br />757 <br />430 <br />295 <br />430 <br />600 <br />828 <br />3450 <br />3670 <br />46 <br />34 <br />21 <br />15 <br />439 <br />752 <br />445 <br />310 <br />430 <br />585 <br />743 <br />3760 <br />3780 <br />40 <br />35 <br />19 <br />16 <br />456 <br />748 <br />450 <br />310 <br />435 <br />600 <br />831 <br />4330 <br />3930 <br />40 <br />36 <br />19 <br />17 <br />480 <br />732 <br />450 <br />315 <br />380 <br />610 <br />1070 <br />4900 <br />4080 <br />61 <br />36 <br />19 <br />18 <br />495 <br />719 <br />475 <br />300 <br />345 <br />690 <br />1260 <br />4950 <br />4120 <br />79 <br />34 <br />19 <br />19 <br />508 <br />737 <br />485 <br />290 <br />365 <br />642 <br />1470 <br />4490 <br />3750 <br />101 <br />32 <br />19 <br />20 <br />539 <br />777 <br />490 <br />290 <br />370 <br />708 <br />1720 <br />4190 <br />3340 <br />71 <br />30 <br />18 <br />21 <br />672 <br />772 <br />465 <br />290 <br />375 <br />611 <br />1850 <br />3790 <br />3020 <br />52 <br />30 <br />17 <br />22 <br />705 <br />741 <br />430 <br />290 <br />315 <br />565 <br />1670 <br />3690 <br />2740 <br />44 <br />32 <br />16 <br />23 <br />658 <br />747 <br />425 <br />280 <br />310 <br />572 <br />1490 <br />3490 <br />2510 <br />44 <br />36 <br />15 <br />24 <br />627 <br />732 <br />400 <br />275 <br />310 <br />562 <br />1570 <br />3200 <br />2270 <br />42 <br />40 <br />15 <br />25 <br />608 <br />662 <br />400 <br />275 <br />315 <br />561 <br />1770 <br />2990 <br />1770 <br />41 <br />46 <br />15 <br />26 <br />596 <br />684 <br />415 <br />280 <br />340 <br />513 <br />2020 <br />2670 <br />1480 <br />44 <br />52 <br />16 <br />27 <br />560 <br />717 <br />395 <br />290 <br />370 <br />492 <br />2180 <br />2370 <br />1170 <br />45 <br />54 <br />18 <br />28 <br />546 <br />684 <br />390 <br />295 <br />370 <br />479 <br />2380 <br />2050 <br />1240 <br />40 <br />41 <br />20 <br />29 <br />532 <br />646 <br />380 <br />290 <br />- -- <br />482 <br />2440 <br />1780 <br />1260 <br />37 <br />36 <br />21 <br />30 <br />532 <br />656 <br />390 <br />300 <br />- -- <br />441 <br />2500 <br />1410 <br />1300 <br />36 <br />35 <br />20 <br />31 <br />527 <br />- -- <br />445 <br />300 <br />- -- <br />416 <br />- -- <br />1010 <br />- -- <br />35 <br />34 <br />- -- <br />TOTAL <br />13265 <br />22515 14964 <br />9770 <br />9700 <br />16179 <br />35931 <br />93820 <br />75464 <br />7628 <br />1233 <br />682 <br />MEAN <br />428 <br />751 <br />483 <br />315 <br />346 <br />522 <br />1198 <br />3026 <br />2515 <br />246 <br />39.8 <br />22.7 <br />AC -FT <br />26310 <br />44660 29680 <br />19380 <br />19240 <br />32090 <br />71270 <br />186100 <br />149700 <br />15130 <br />2450 <br />1350 <br />MAX <br />705 <br />888 <br />668 <br />460 <br />435 <br />708 <br />2500 <br />4950 <br />4120 <br />1240 <br />61 <br />33 <br />MIN <br />165 <br />623 <br />335 <br />275 <br />290 <br />355 <br />508 <br />1010 <br />704 <br />35 <br />30 <br />15 <br />CAL YR <br />1986 TOTAL 225790 <br />MEAN <br />619 <br />MAX <br />4390 <br />MIN <br />44 AC <br />-FT 447900 <br />WTR YR <br />1987 TOTAL 301151 <br />MEAN <br />825 <br />MAX <br />4950 <br />MIN <br />15 AC <br />-FT 597300 <br />MAX DISCH 5160 <br />CFS AT 2145 <br />17 -MAY -1987 <br />GH <br />8.69 FT. <br />SHIFT <br />0.26 <br />FT. MAX <br />GH 8.69 <br />FT. AT 2145 <br />17 -MAY -1987 <br />5000 <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 />