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• <br />• <br />• <br />Yampa River Flow Modeling <br />Using CRDSS <br />yampa_historic2.xls <br />12/24/97 <br />11:42 AM <br />Depletions at the Upper Terminus of the Endangered <br />Fish Reach <br />Depleted flow minus Natural flow <br />Note: Positive values indicate developed flows are greater than natural flows <br />Values in cfs <br />Water Year <br />OCT <br />NOV <br />DEC <br />JAN <br />FEB <br />MAR <br />APR <br />MAY <br />JUN <br />JUL <br />AUG <br />SEP <br />1975 <br />-87 <br />-7 <br />-14 <br />-22 <br />-27 <br />-25 <br />-31 <br />-195 <br />-374 <br />-324 <br />-99 <br />•93 <br />1976 <br />15 <br />28 <br />-2 <br />-12 <br />-17 <br />-14 <br />-55 <br />-213 <br />-324 <br />-357 <br />-56 <br />-45 <br />1977 <br />7 <br />15 <br />-9 <br />-15 <br />-20 <br />-19 <br />-67 <br />-215 <br />-509 <br />•96 <br />-30 <br />-94 <br />1978 <br />-7 <br />-21 <br />-53 <br />-55 <br />-29 <br />-24 <br />-56 <br />-256 <br />-565 <br />-281 <br />-64 <br />-60 <br />1979 <br />-25 <br />37 <br />-7 <br />-15 <br />-22 <br />-19 <br />-55 <br />-170 <br />-517 <br />-333 <br />-26 <br />-144 <br />1980 <br />20 <br />30 <br />-8 <br />•23 <br />-24 <br />-18 <br />-58 <br />-166 <br />-623 <br />-315 <br />-53 <br />-100 <br />1981 <br />-5 <br />-3 <br />-28 <br />-47 <br />-44 <br />-29 <br />-143 <br />-83 <br />-488 <br />-225 <br />-130 <br />-101 <br />1982 <br />29 <br />-17 <br />-24 <br />-34 <br />-32 <br />-29 <br />-63 <br />-203 <br />-466 <br />-304 <br />-135 <br />2 <br />1983 <br />22 <br />-6 <br />-18 <br />-24 <br />-25 <br />-23 <br />-45 <br />-127 <br />-320 <br />-285 <br />-179 <br />-120 <br />1984 <br />16 <br />10 <br />-15 <br />-25 <br />-30 <br />-28 <br />-58 <br />-329 <br />-140 <br />-371 <br />-139 <br />-31 <br />1985 <br />17 <br />-2 <br />-12 <br />-29 <br />-31 <br />-28 <br />-92 <br />-304 <br />-432 <br />•260 <br />-137 <br />-14 <br />1986 <br />17 <br />-18 <br />-24 <br />-27 <br />-31 <br />-27 <br />-103 <br />-279 <br />-480 <br />-161 <br />-84 <br />-27 <br />1987 <br />16 <br />-11 <br />-26 <br />-30 <br />-24 <br />-22 <br />-116 <br />-272 <br />-405 <br />-224 <br />-83 <br />-132 <br />1988 <br />-37 <br />17 <br />-16 <br />-30 <br />35 <br />29 <br />120 <br />-287 <br />-608 <br />-276 <br />-65 <br />-21 <br />1989 <br />-89 <br />48 <br />-59 <br />-75 <br />-76 <br />-133 <br />-282 <br />440 <br />429 <br />249 <br />151 <br />-119 <br />1990 <br />-60 <br />-10 <br />-36 <br />-30 <br />-43 <br />-51 <br />-88 <br />-296 <br />-469 <br />224 <br />-108 <br />-101 <br />1991 <br />7 <br />-21 <br />-32 <br />-30 <br />1 -30 <br />-31 <br />-70 <br />-324 <br />-388 <br />-268 <br />-123 <br />-63 <br />Average <br />-8 <br />4 <br />-23 <br />-31 <br />-32 <br />-32 <br />-88 <br />-245 <br />-443 <br />-98 <br />-74 <br />Min. De It. <br />29 <br />48 <br />-2 <br />-12 <br />-17 <br />-14 <br />-31 <br />-83 <br />-140 <br />-26 <br />2 <br />1stQuartile <br />17 <br />17 <br />-12 <br />-23 <br />-24 <br />-22 <br />-56 <br />-195 <br />-388 <br />-64 <br />-31 <br />Median <br />7 <br />-3 <br />-18 <br />-29 <br />-30 <br />-27 <br />-67 <br />-256 <br />-466 <br />M-225 <br />-99 <br />-93 <br />3rd Quartile <br />-25 <br />-11 <br />-28 <br />-30 <br />-32 <br />-29 <br />-103 <br />-296 <br />-509 <br />-135 <br />-101 <br />Max <br />-89 <br />-21 <br />-59 <br />-75 <br />-76 <br />-133 <br />-282 <br />-440 <br />-623 <br />-179 <br />-144 <br />Depletions <br />at Maybell <br />diversion <br />structure <br />Values in cis <br />Water Year <br />OCT <br />NOV <br />DEC <br />JAN <br />FEB <br />MAR <br />APR <br />MAY <br />JUN <br />JUL <br />AUG <br />SEP <br />1975 <br />-121 <br />-5 <br />-14 <br />-22 <br />-27 <br />-25 <br />-31 <br />-241 <br />-429 <br />-402 <br />-144 <br />-118 <br />1976 <br />5 <br />31 <br />-1 <br />-12 <br />-17 <br />-14 <br />-63 <br />-275 <br />-392 <br />-421 <br />-98 <br />-71 <br />1977 <br />0 <br />18 <br />-8 <br />-15 <br />-20 <br />-19 <br />-84 <br />-283 <br />-618 <br />-144 <br />-71 <br />-121 <br />1978 <br />-49 <br />-17 <br />-51 <br />-55 <br />-29 <br />-24 <br />-63 <br />-322 <br />-674 <br />-364 <br />-101 <br />-83 <br />1979 <br />-69 <br />41 <br />-6 <br />-14 <br />-21 <br />-19 <br />-59 <br />-191 <br />-628 <br />-397 <br />-64 <br />-190 <br />19801 <br />29 <br />33 <br />•7 <br />-23 <br />-24 <br />-18 <br />-64 <br />-197 <br />-742 <br />-378 <br />-87 <br />-126 <br />1981 <br />-18 <br />0 <br />-27 <br />-47 <br />-44 <br />-29 <br />-164 <br />-124 <br />-580 <br />-282 <br />-181 <br />-134 <br />1982 <br />35 <br />-15 <br />-23 <br />-34 <br />-32 <br />-29 <br />-65 <br />-264 <br />-546 <br />-379 <br />-186 <br />-15 <br />1983 <br />18 <br />-4 <br />-17 <br />-24 <br />-25 <br />-23 <br />-45 <br />-147 <br />-394 <br />-341 <br />-238 <br />-157 <br />1984 <br />16 <br />13 <br />-14 <br />-25 <br />-30 <br />-28 <br />-58 <br />-418 <br />-169 <br />-445 <br />-185 <br />-44 <br />1985 <br />24 <br />0 <br />-11 <br />-29 <br />-31 <br />-28 <br />-92 <br />-392 <br />-484 <br />-312 <br />-192 <br />-38 <br />1986 <br />24 <br />-16 <br />-24 <br />-27 <br />-31 <br />-27 <br />-107 <br />-339 <br />-558 <br />-206 <br />-135 <br />-33 <br />1987 <br />14 <br />-9 <br />-26 <br />-29 <br />-24 <br />-22 <br />-136 <br />•354 <br />-479 <br />-269 <br />-112 <br />-171 <br />1988 <br />-84 <br />21 1 <br />-15 <br />-29 <br />-35 <br />-29 <br />-134 <br />•339 <br />-731 <br />-341 <br />-107 <br />-36 <br />1989 <br />-183 <br />53 <br />-57 <br />-74 <br />-76 <br />133 <br />-315 <br />-535 <br />-497 <br />-305 <br />-198 <br />-149 <br />1990 <br />97 <br />6 <br />35 <br />30 <br />43 <br />51 <br />-106 <br />370 <br />557 <br />277 <br />160 <br />144 <br />1991 <br />8 <br />-19 <br />-32 <br />-29 <br />•30 <br />31 <br />74 <br />412 <br />-475 <br />-321 <br />-167 <br />-89 <br />Avera a <br />-26 <br />7 <br />-22 <br />-31 <br />-32 <br />-32 <br />-98 <br />-306 <br />-527 <br />-328 <br />-143 <br />-101 <br />Min. De It. <br />35 <br />53 <br />-1 <br />-12 <br />-17 <br />-14 <br />-31 <br />-124 <br />-169 <br />-144 <br />-64 <br />-15 <br />1stQuartile <br />18 <br />21 <br />-11 <br />-23 <br />-24 <br />-22 <br />-63 <br />-241 <br />-475 <br />-282 <br />-101 <br />-44 <br />Median <br />5 <br />0 <br />-17 <br />-29 <br />-30 <br />-27 <br />-74 <br />-322 <br />-546 <br />-341 <br />-144 <br />-118 <br />3rd Quartile <br />•69 <br />-9 <br />-27 <br />-30 <br />-32 <br />-29 <br />-107 <br />-370 <br />-618 <br />-379 <br />-185 <br />-144 <br />Max <br />-183 <br />-19 <br />-57 <br />-74 <br />-76 <br />-133 <br />-315 <br />-535 <br />-742 <br />-445 <br />-238 <br />-190 <br />Depletions <br />at the Lower Terminus of the Endangered Fish Reach <br />Values in cis <br />Water Year <br />OCT <br />NOV <br />DEC <br />JAN <br />FEB <br />MAR <br />APR <br />MAY <br />JUN <br />JUL <br />AUG <br />SEP <br />1975 <br />-103 <br />2 <br />-12 <br />-21 <br />-27 <br />-25 <br />-31 <br />-241 <br />-425 <br />-397 <br />-134 <br />-98 <br />1976 <br />29 <br />40 <br />1 <br />-11 <br />-17 <br />-14 <br />-63 <br />-276 <br />-385 <br />-412 <br />-85 <br />-51 <br />1977 <br />22 <br />25 <br />-6 <br />-15 <br />-20 <br />-19 <br />-85 <br />-283 <br />-612 <br />-120 <br />-55 <br />-100 <br />1978 <br />-7 <br />-2 <br />-47 <br />-53 <br />-29 <br />-24 <br />-64 <br />-325 <br />-671 <br />-348 <br />-84 <br />-62 <br />1979 <br />-25 <br />57 <br />-1 <br />-13 <br />-21 <br />-19 <br />-59 <br />-193 <br />-634 <br />-386 <br />-51 <br />-172 <br />1980 <br />48 <br />39 <br />-5 <br />-23 <br />-24 <br />-19 <br />-65 <br />-198 <br />-746 <br />-364 <br />-70 <br />-107 <br />1981 <br />8 <br />9 <br />-25 <br />-47 <br />-44 <br />-29 <br />-165 <br />-122 <br />-579 <br />-269 <br />169 <br />-111 <br />1982 <br />53 <br />-9 <br />-22 <br />-33 <br />-32 <br />-29 <br />-65 <br />-266 <br />-541 <br />-368 <br />-175 <br />7 <br />1983 <br />37 <br />2 <br />-16 <br />-24 <br />-25 <br />-23 <br />-45 <br />-148 <br />-396 <br />-333 <br />-233 <br />-136 <br />1984 <br />38 <br />21 <br />-12 <br />-24 <br />-30 <br />-28 <br />-58 <br />-421 <br />-155 <br />-439 <br />-174 <br />-26 <br />1985 <br />34 <br />3 <br />-10 <br />-29 <br />-31 <br />-28 <br />-92 <br />-395 <br />-472 <br />-300 <br />-185 <br />-17 <br />1986 <br />39 <br />-11 <br />-23 <br />-27 <br />-31 <br />-28 <br />-107 <br />-341 <br />-554 <br />-192 <br />-127 <br />-13 <br />1987 <br />28 <br />-5 <br />-25 <br />-29 <br />-24 <br />-22 <br />-137 <br />-354 <br />-468 <br />-253 <br />-98 <br />-155 <br />1988 <br />-37 <br />38 <br />10 <br />28 <br />-34 <br />•29 <br />-135 <br />-339 <br />-730 <br />-323 <br />-89 <br />-12 <br />1989 <br />-112 <br />79 <br />50 <br />72 <br />-75 <br />-133 <br />316 <br />-533 <br />-482 <br />-289 <br />-183 <br />-127 <br />1990 <br />-56 <br />9 <br />-31 <br />-29 <br />-43 <br />-51 <br />107 <br />-370 <br />-550 <br />-261 <br />-148 <br />-122 <br />1991 <br />32 <br />-11 <br />-29 <br />-29 <br />-30 <br />-31 <br />75 <br />-414 <br />-465 <br />-305 <br />-154 <br />-67 <br />Average <br />2 <br />17 <br />-19 <br />-30 <br />-32 <br />-32 <br />-98 <br />-307 <br />-522 <br />-315 <br />-130 <br />-81 <br />Min. Deplt. <br />53 <br />79 <br />1 <br />-11 <br />-17 <br />-14 <br />-31 <br />-122 <br />-155 <br />-120 <br />-51 <br />7 <br />1stQuartile <br />37 <br />38 <br />-10 <br />-23 <br />-24 <br />-22 <br />-63 <br />-241 <br />-465 <br />-269 <br />-85 <br />-26 <br />Median <br />28 <br />9 <br />-16 <br />-28 <br />-30 <br />-28 <br />-75 <br />-325 <br />-541 <br />-323 <br />-134 <br />-98 <br />3rd Quartile <br />-25 <br />-2 <br />-25 <br />-29 <br />-32 <br />-29 <br />-107 <br />-370 <br />-612 <br />-368 <br />-174 <br />-122 <br />Max <br />-112 <br />-11 <br />-50 <br />-72 <br />-75 <br />-133 <br />-316 <br />-533 <br />-746 <br />-439 <br />-233 <br />-172 <br />