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<br />6/14!96 ... 11:31 AM Camp Dresser & McKee lnc. Page 2 of 5
<br />ATTACHMENT A
<br />Calculation of Historic Streamflows at T o of 15-Mile Reach cfs
<br />
<br />
<br />
<br />Irrigation
<br />Year
<br />
<br />
<br />onth
<br />No.
<br />Days in
<br />Month
<br />Colorado
<br />River at
<br />Cameo Ga a
<br />Plateau
<br />Creek at
<br />Cameo Ga a Government
<br />High Line
<br />Canal
<br />Diversions
<br />Rapid
<br />Creek
<br />Inflows
<br />Grand Valley
<br />Canal
<br />Diversions Orchard
<br />Mesa Power
<br />Plant Return
<br />Flows
<br />Colorado
<br />River at 15-
<br />Mile Reach
<br />1979 Nov 30 1,860 94 173 i 0 173 1,955
<br /> Dec 31 1,491 75 800 1 0 800 1,567
<br /> Jan 31 1,349 47 800 1 0 800 1,397
<br /> Feb 28 1,525 45 800 1 0 800 1,571
<br /> Mar 31 1,837 79 619 1 0 619 1,917
<br /> Apr 30 2,891 259 907 10 162 747 2,839
<br /> Ma 31 9,865 624 1,588 20 576 346 8,690
<br /> Jun 30 15,047 763 1,547 10 620 212 13,865
<br /> Jul 31 8,404 222 1,588 1 626 101 6,514
<br /> Au 31 2,901 96 1,523 1 632 66 908
<br /> Se 30 2,097 86 1,620 1 631 127 59
<br /> Oct 31 2,147 114 1,488 1 593 265 447
<br /> Year 365 4,294 209 1,124 4 322 419 3,480
<br />
<br />1980 Nov 30 2,127 106 16 1 0 16 2,234
<br /> Dec 31 1,971 SS 697 1 0 697 2,060
<br /> Jan 31 1,804 87 800 1 0 600 1,892
<br /> Feb 28 1,959 78 800 1 0 800 2,038
<br /> Mar 31 2,028 102 645 1 0 645 2,131
<br /> A r 30 3,168 279 1,037 10 249 706 2,877
<br /> Ma 31 10,421 653 1,426 20 546 612 9,734
<br /> Jun 30 14,867 749 1,552 10 615 612 14,070
<br /> Jul 31 5,363 165 1,576 1 640 612 3,924
<br /> Au 31 2,381 84 1,539 1 622 612 917
<br /> Se 30 2,052 99 1,463 1 612 612 689
<br /> Oct 31 1,876 117 1,004 1 592 474 872
<br /> Year 365 4,171 217 1,049 4 325 599 3,618
<br />
<br />1981 Nov 30 1,783 122 0 1 0 0 1,906
<br /> Dec 31 1,637 101 413 1 58 413 1,681
<br /> Jan 31 1,369 78 800 1 0 800 1,448
<br /> Feb 28 1,185 68 800 1 0 S00 1,254
<br /> Mar 31 1,193 70 800 1 257 800 1,007
<br /> A r 30 1,880 170 1,285 10 561 612 825
<br /> Ma 31 3,259 174 1,535 20 626 612 1,904
<br /> Jun 30 5,499 67 1,545 10 635 612 4,008
<br /> Jul 31 2,403 54 1,561 1 637 612 872
<br /> Au 31 1,745 60 1,522 1 636 612 260
<br /> Se 30 1,861 80 1,484 1 622 612 448
<br /> Oct 31 1,892 116 1,193 1 620 539 735
<br /> Year 365 2,143 97 1,080 4 390 585 1,358
<br />
<br />1982 Nov 30 1,627 87 0 1 120 0 1,594
<br /> Dec 31 1,426 74 81 1 87 81 1,414
<br /> Jan 31 1,529 67 54 1 0 54 1,597
<br /> Feb 28 1,355 82 130 1 0 130 1,438
<br /> Mar 31 1,581 86 800 1 0 800 1,668
<br /> A r 30 2,282 231 1,361 10 467 143 838
<br /> Ma 31 6,857 537 1,532 20 609 0 5,272
<br /> Jun 30 11,543 623 1,546 10 629 0 10,001
<br /> Jul 31 6,674 217 1,565 1 640 0 4,687
<br /> Au 31 3,392 i39 1,560 1 640 0 1,331
<br /> Se 30 2,980 197 1,443 1 640 0 1,095
<br /> Oct 31 2,802 196 1,124 1 614 0 1,261
<br /> Year 365 3,679 212 938 4 373 101 2,686
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<br />COL-PAL.XLS ... Palisade
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