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<br />Yampa River Flow Modeling yampa_historic2.xls
<br />Using CRDSS 12/24/97
<br />11:42 AM
<br />•
<br />Note: Q <0 indicates times when the natural flow of the Yampa River does not satisfy the Endangered Fish Baseflow water right.
<br />Natural flows minus Endangered Fish baseflow for the Upper Terminus of the Endangered Fish Reach
<br />Values in AG-ft
<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 />TOTAL
<br />1975
<br />13,548
<br />7,412
<br />2,111
<br />5,933
<br />6,276
<br />10,366
<br />68,990
<br />256,553
<br />418,437
<br />204,641
<br />22,845
<br />11,305
<br />1,028,417
<br />1976
<br />9,925
<br />5,853
<br />7,415
<br />6,885
<br />8,526
<br />13,760
<br />62,646
<br />237,764
<br />201,507
<br />65,759
<br />16,794
<br />12,595
<br />649,429
<br />1977
<br />9,367
<br />722
<br />2,392
<br />1,523
<br />2,080
<br />5,200
<br />34,890
<br />66,548
<br />62,447
<br />7,744
<br />2,866
<br />8,428
<br />204,207
<br />1978
<br />8,681
<br />2,387
<br />4,069
<br />3,958
<br />5,555
<br />16,702
<br />166,357
<br />325,494
<br />525,605
<br />180,481
<br />25,084
<br />11,495
<br />1,275,868
<br />1979
<br />8,311
<br />3,143
<br />5,553
<br />6,823
<br />4,500
<br />12,763
<br />132,894
<br />391,704
<br />403,883
<br />124,451
<br />20,514
<br />9,4171
<br />1,123,956
<br />1980
<br />6,704
<br />6,4391
<br />6,060
<br />6,1001
<br />14,443
<br />13,6461
<br />137,339
<br />423,2981
<br />372,548
<br />87,5551
<br />13,028
<br />9,248
<br />1,096,408
<br />1981
<br />8,916
<br />4,120
<br />5,162
<br />5,096
<br />4,546
<br />6,181
<br />45,370
<br />126,411
<br />154,579
<br />37,936
<br />9,438
<br />8,717
<br />416,472
<br />1982
<br />14,161
<br />6,068
<br />10,728
<br />10,420
<br />10,847
<br />25,930
<br />118,455
<br />344,431
<br />426,540
<br />179,294
<br />27,862
<br />13,344
<br />1,188,080
<br />1983
<br />25,466
<br />18,567
<br />12,127
<br />11,656
<br />9,077
<br />34,726
<br />82,984
<br />294,305
<br />574,137
<br />232,687
<br />43,452
<br />15,609
<br />1,354,793
<br />1984
<br />25,858
<br />19,065
<br />16,463
<br />17,174
<br />13,082
<br />17,019
<br />150,962
<br />754,359
<br />648,306
<br />213,394
<br />51,822
<br />26,679
<br />1,954,183
<br />1985
<br />39,667
<br />28,422
<br />24,454
<br />19,504
<br />16,892
<br />46,600
<br />304,246
<br />510,836
<br />316,978
<br />83,748
<br />25,110
<br />13,729
<br />1,430,186
<br />1986
<br />31,941
<br />27,210
<br />18,944
<br />17,761
<br />44,704
<br />101,304
<br />244,503
<br />374,309
<br />416,512
<br />130,134
<br />24,089
<br />23,131
<br />1,454,542
<br />1987
<br />34,508
<br />25,071
<br />15,657
<br />9,626
<br />9,728
<br />45,761
<br />132,470
<br />195,014
<br />73,062
<br />28,358
<br />19,254
<br />15,08511
<br />603,594
<br />1988
<br />12,838
<br />9,997
<br />7,334
<br />11,274
<br />8,648
<br />5,436
<br />137,220
<br />281,102
<br />255,803
<br />37,166
<br />16,272
<br />13,137
<br />796,227
<br />1989
<br />10,043
<br />1,811
<br />9,540
<br />4,788
<br />1,275
<br />50,469
<br />128,374
<br />159,747
<br />114,329
<br />20,087
<br />11,787
<br />6,259
<br />518,509
<br />1990
<br />4,760
<br />6,415
<br />8,274
<br />6,578
<br />5,474
<br />30,882
<br />95,190
<br />105,671
<br />202,214
<br />40,593
<br />4,593
<br />6,567
<br />517,211
<br />1991
<br />13,532
<br />8,758
<br />7,106
<br />6,133
<br />5,226
<br />20,740
<br />80,706
<br />282,307
<br />288,208
<br />58,037
<br />15,190
<br />10,946
<br />796,889
<br />Average
<br />16,366
<br />10,674
<br />9,611
<br />8,896
<br />10,052
<br />26,911
<br />124,917
<br />301,756
<br />320,888
<br />101,886
<br />20,588
<br />12,6881
<br />965,234
<br />Max
<br />39,667
<br />28,422
<br />24,454
<br />19,504
<br />44,704
<br />101,304
<br />304,246
<br />754,359
<br />648,306
<br />232,687
<br />51,822
<br />26,679
<br />1,954,183
<br />3rd Quartile
<br />25,466
<br />18,567
<br />12,127
<br />11,274
<br />10,847
<br />34,726
<br />137,339
<br />374,309
<br />418,437
<br />179,294
<br />25,084
<br />13,729
<br />1,275,868
<br />Median
<br />12,838
<br />6,439
<br />7,415
<br />6,823
<br />8,526
<br />17,019
<br />128,374
<br />282,307
<br />316,978
<br />83,748
<br />19,254
<br />11,495
<br />1,028,417
<br />1st Quartile
<br />8,916
<br />4,120
<br />5,553
<br />5,933
<br />5,226
<br />12,763
<br />80,706
<br />195,014
<br />201,507
<br />37,936
<br />13,028
<br />9,248
<br />603,594
<br />Min
<br />4,760
<br />722
<br />2,111
<br />1,523
<br />1,275
<br />5,200
<br />34,890
<br />66,548
<br />62,447
<br />7,744
<br />2,866
<br />6,259
<br />204,207
<br />Natural flows minus Endangered Fish baseflow below Maybell Diversion structure
<br />Values in Ac -ft
<br />Water YearOCT
<br />NOV
<br />DEC
<br />JAN
<br />FEB
<br />MAR
<br />APR
<br />MAY
<br />JUN
<br />JUL
<br />AUG
<br />SEP
<br />TOTAL
<br />1975
<br />14,977
<br />9,540
<br />1,248
<br />6,501
<br />7,945
<br />12,904
<br />69,057
<br />269,374
<br />425,6941
<br />226,224
<br />28,590
<br />10,326
<br />1,082,380
<br />1976
<br />10,102
<br />7,820
<br />8,894
<br />7,695
<br />10,508
<br />16,740
<br />62,215
<br />248,160
<br />211,787
<br />70,970
<br />21,182
<br />12,386
<br />688,459
<br />1977
<br />9,735
<br />1,185
<br />1,721
<br />1,340
<br />3,339
<br />7,050
<br />32,371
<br />69,818
<br />70,376
<br />5,418
<br />2,454
<br />6,926
<br />211,733
<br />1978
<br />8,707
<br />1,938
<br />3,493
<br />4,544
<br />7,121
<br />19,860
<br />177,448
<br />344,077
<br />529,569
<br />199,626
<br />30,993
<br />12,433
<br />1,339,809
<br />1979
<br />9,436
<br />5,170
<br />6,809
<br />7,549
<br />5,982
<br />15,551
<br />140,052
<br />412,922
<br />411,041
<br />136,164
<br />23,642
<br />8,813
<br />17183,131
<br />1980
<br />5,871
<br />6,903
<br />6,057
<br />6,5591
<br />17,020
<br />16,5341
<br />144,748
<br />444,230
<br />380,984
<br />94,052
<br />14,519
<br />8,129
<br />1,145,606
<br />1981
<br />8,352
<br />3,959
<br />4,754
<br />5,188
<br />5,901
<br />8,041
<br />44,645
<br />132,991
<br />162,589
<br />39,288
<br />9,836
<br />7,721
<br />433,265
<br />1982
<br />15,576
<br />6,392
<br />11,830
<br />11,705
<br />12,975
<br />30,197
<br />123,635
<br />361,333
<br />432,940
<br />197,3951
<br />33,331
<br />15,030
<br />1,252,339
<br />1983
<br />29,907
<br />21,881
<br />13,878
<br />13,172
<br />10,988
<br />40,130
<br />84,513
<br />307,821
<br />575,524
<br />258,5031
<br />54,454
<br />16,846
<br />1,427,617
<br />1984
<br />27,590
<br />22,459
<br />19,713
<br />19,897
<br />15,680
<br />20,179
<br />165,810
<br />794,639
<br />635,352
<br />229,1241
<br />57,459
<br />30,155
<br />2,038,057
<br />1985
<br />40,793
<br />33,386
<br />28,952
<br />21,701
<br />18,644
<br />50,413
<br />324,293
<br />527,944
<br />329,027
<br />87,4151
<br />29,278
<br />13,922
<br />1,505,768
<br />1986
<br />37,3541
<br />31,667
<br />23,732
<br />21,859
<br />50,572
<br />110,871
<br />263,968
<br />398,232
<br />428,093
<br />141,711
<br />29,458
<br />27,562
<br />1,565,079
<br />1987
<br />37,107
<br />33,863
<br />18,011
<br />10,505
<br />17,196
<br />51,728
<br />141,4761
<br />222,6531
<br />80,003
<br />27,763
<br />19,565
<br />15,552
<br />675,422
<br />1988
<br />14,724
<br />9,533
<br />5,089
<br />10,121
<br />7,880
<br />7
<br />139,0801
<br />285,374 1
<br />258,949
<br />41,796
<br />17,113
<br />12,7061
<br />809,527
<br />1989
<br />10,480
<br />1,980
<br />11,205
<br />5,779
<br />2,708
<br />52,425
<br />133,534
<br />164,160
<br />120,533
<br />23,741
<br />14,432
<br />6,1841
<br />547,161
<br />1990
<br />3,478
<br />6,061
<br />8,990
<br />9,046
<br />8,500
<br />53,450
<br />101,187
<br />114,311
<br />215,182
<br />44,944
<br />5,159
<br />5,831
<br />576,139
<br />1991
<br />11,623
<br />8,997
<br />7,206
<br />6,309
<br />5,338
<br />22,432
<br />75,516
<br />272,546
<br />287,886
<br />48,170
<br />17,803
<br />11 ,975
<br />L 775,801
<br />Average
<br />17,401
<br />12,514
<br />10,681
<br />9,969
<br />12,253
<br />31,510
<br />130,797
<br />315,917
<br />326,796
<br />110,136
<br />24,075
<br />13,0881
<br />1,015,135
<br />Max
<br />40,793
<br />33,863
<br />28,952
<br />21,859
<br />50,572
<br />110,871
<br />324,293
<br />794,639
<br />635,352
<br />258,503
<br />57,459
<br />30,155
<br />2,038,057
<br />3rd Quartile
<br />27,590
<br />21,881
<br />13,878
<br />11,705
<br />15,680
<br />50,413
<br />144,748
<br />398,232
<br />428,093
<br />197,395
<br />29,458
<br />15,030
<br />1,339,809
<br />Median
<br />11,623
<br />7,820
<br />8,894
<br />7,695
<br />8,500
<br />20,179
<br />133,534
<br />285,374
<br />329,027
<br />87,415
<br />21,182
<br />12,386
<br />1,082,380
<br />1st Quartile
<br />9,436
<br />5,170
<br />5,089
<br />6,309
<br />5,982
<br />15,551
<br />75,516
<br />222,653
<br />211,787
<br />41,796
<br />14,519
<br />8,129
<br />675,422
<br />Min
<br />3,478
<br />1,185
<br />1,248
<br />1,340
<br />2,708
<br />7,050
<br />32,371
<br />69,818
<br />70,376
<br />5,418
<br />2,454
<br />5,831
<br />211,733
<br />Natural flows minus Endan ered Fish baseflow for the Lower Terminus of the Endangered Fish Reach
<br />Values in Ac -ft
<br />Water Year
<br />OCT
<br />NOV
<br />DEC IJAN
<br />FEB
<br />MAR
<br />APR
<br />MAY
<br />JUN
<br />JUL
<br />AUG
<br />SEP
<br />TOTAL
<br />1975
<br />13,649
<br />7,745
<br />-806
<br />5,080
<br />8,489
<br />11,148
<br />62,933
<br />258,013
<br />440,640
<br />257,987
<br />33,510
<br />10,585
<br />1,108,973
<br />1976
<br />8,786
<br />6,545
<br />8,205
<br />6,929
<br />12,754
<br />18,239
<br />56,903
<br />237,451
<br />220,463
<br />77,742
<br />22,650
<br />12,549
<br />689,216
<br />1977
<br />8,070
<br />-1,924
<br />-564
<br />-1,232
<br />3,166
<br />1,934
<br />23,009
<br />62,574
<br />73,327
<br />3,665
<br />1,962
<br />7,343
<br />181,330
<br />1978
<br />6,666
<br />-574
<br />2,458
<br />3,645
<br />7,856
<br />22,978
<br />184,355
<br />333,733
<br />548,004
<br />227,463
<br />35,208
<br />11,812
<br />1,383,604
<br />1979
<br />6,790
<br />1,568
<br />4,114
<br />5,781
<br />6,096
<br />13,904
<br />143,868
<br />402,494
<br />426,120
<br />153,970
<br />26,929
<br />10,347
<br />1,201,981
<br />1980
<br />3,933
<br />5,933
<br />4,907
<br />5,6001
<br />18,609
<br />17,1681
<br />153,435
<br />435,249
<br />395,674
<br />104,7061
<br />15,887
<br />10,319
<br />1,171,420
<br />1981
<br />6,321
<br />2,720
<br />3,511
<br />3,397
<br />6,345
<br />4,764
<br />35,440
<br />122,370
<br />169,313
<br />39,772
<br />9,284
<br />8,098
<br />411,335
<br />1982
<br />14,4901
<br />5,781
<br />12,006
<br />11,669
<br />14,275
<br />32,775
<br />130,592
<br />342,770
<br />1 401,588
<br />248,247
<br />58,631
<br />14,683
<br />1,287,507
<br />1983
<br />30,770
<br />28,426
<br />19,363
<br />18,582
<br />23,759
<br />70,647
<br />88,999
<br />326,564
<br />625,206
<br />293,946
<br />66,383
<br />17,7761
<br />1,610,421
<br />1984
<br />30,272
<br />23,999
<br />21,532
<br />21,486
<br />17,406
<br />21,759
<br />173,354
<br />708,145
<br />662,454
<br />267,416
<br />70,574
<br />31,821
<br />2,050,218
<br />1985
<br />43,850
<br />38,550
<br />31,649
<br />23,197
<br />19,872
<br />74,501
<br />343,019
<br />536,147
<br />351,616
<br />93,281
<br />31,372
<br />14,545
<br />1,601,599
<br />1986
<br />38,919
<br />41,642
<br />25,916
<br />23,527
<br />58,818
<br />140,334
<br />311,584
<br />418,285
<br />435,259
<br />142,304
<br />28,531
<br />23,043
<br />1,688,162
<br />1987
<br />37,179
<br />35,594
<br />21,407
<br />12,988
<br />18,418
<br />42,451
<br />127,634
<br />219,8861
<br />102,378
<br />36,488
<br />22,567
<br />15,614
<br />692,604
<br />1988
<br />13,492
<br />9,8631
<br />4,9491
<br />5,6871
<br />3,7011
<br />1,6121
<br />146,972
<br />297,4251
<br />292,208
<br />45,850
<br />15,830
<br />11,674
<br />849,263
<br />1989
<br />12,046
<br />876
<br />8,221
<br />2,2221
<br />478
<br />45,102
<br />111,146
<br />151,191
<br />117,297
<br />23,556
<br />12,649
<br />4,397
<br />489,181
<br />1990
<br />524
<br />-852
<br />3,475
<br />5,005
<br />8,254
<br />53,195
<br />96,906
<br />99,536
<br />228,090
<br />43,759
<br />5,335
<br />4,764
<br />547,991
<br />1991
<br />7,309
<br />9,932
<br />5,625
<br />5,447
<br />3,990
<br />27,640
<br />80,981
<br />225,917
<br />271,079
<br />49,089
<br />17,907
<br />15,714
<br />720,630
<br />Average
<br />16,651
<br />12,696
<br />10,351
<br />9,354
<br />13,664
<br />35,303
<br />133,596
<br />304,574
<br />338,866
<br />124,073
<br />27,953
<br />13,240
<br />1,040,320
<br />Max
<br />43,850
<br />41,642
<br />31,649
<br />23,527
<br />58,818
<br />140,334
<br />343,019
<br />708,145
<br />662,454
<br />293,946
<br />70,574
<br />31,821
<br />2,050,218
<br />3rd Quartile
<br />30,272
<br />23,999
<br />19,363
<br />12,988
<br />18,418
<br />45,102
<br />153,435
<br />402,494
<br />435,259
<br />227,463
<br />33,510
<br />15,614
<br />1,383,604
<br />Median
<br />12,046
<br />6,545
<br />5,625
<br />5,687
<br />8,489
<br />22,978
<br />127,634
<br />297,425
<br />351,616
<br />93,281
<br />22,650
<br />11,812
<br />1,108,973
<br />1stQuartile
<br />6,790
<br />1,568
<br />3,511
<br />5,005
<br />6,096
<br />13,904
<br />80,981
<br />219,886
<br />220,463
<br />43,759
<br />15,830
<br />10,319
<br />689,216
<br />Min
<br />524
<br />-1,924
<br />-806
<br />-1,232
<br />478
<br />1,612
<br />23,009
<br />62,574
<br />73,327
<br />3,665
<br />1,962
<br />4,397
<br />181,330
<br />Note: Q <0 indicates times when the natural flow of the Yampa River does not satisfy the Endangered Fish Baseflow water right.
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