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Table A
Watershed Precipitation and Inflows
Great Plains Region
Data for the month of July 2007
  Month's
Precipitation
Inches
Average
Monthly
Precipitation
Inches
Percent
of
Average
Month's
Inflow
Acre-Feet
Average
Monthly
Inflow
Acre-Feet
Percent
of
Average
 
Upper Missouri Basin
Clark Canyon 0.92 1.19 77% 14800 27600 54%  
Canyon Ferry 0.31 1.34 23% 100300 337900 30%  
Gibson 0.60 1.60 38% 28000 68700 41%  
Lake Elwell 0.08 1.19 7% 3900 62500 6%  
Milk River Basin
Sherburne 0.36 2.03 18% 13000 21200 61%  
Fresno 1.22 1.51 81% 22200 35300 63% (1)
Bighorn River Basin
Bull Lake 2.14 0.98 218% 26100 46400 56%  
Boysen 2.25 0.89 253% 32400 133500 24%  
Buffalo Bill 1.56 1.48 105% 53600 155500 34%  
Bighorn 0.14 1.45 10% 87500 317800 28%  
Heart River Basin
Dickinson 5.43 2.21 246% -572 949 NA  
Lake Tschida 1.01 2.31 44% -1206 4444 NA  
Cheyenne River Basin
Angostura 5.74 9.35 61% -817 7210 NA (2)
Belle Fourche 6.77 9.93 68% -2155 3511 NA (3)
Deerfield 0.70 3.31 21% 263 829 32%  
Keyhole 3.37 5.82 58% -1262 -741 NA (4)
Pactola 0.96 3.18 30% 856 3580 24%  
Grand River Basin
Shadehill 2.96 4.73 63% -1762 3560 NA (5)
James River Basin
Jamestown 1.14 3.22 35% 3108 2980 104%  
CBT Project
Green Mountain 2.52 2.00 126% 50400 74000 68%  
Willow Creek 0.88 1.88 47% 2500 5000 50%  
Lake Granby 0.88 1.88 47% 18900 42300 45%  
Lake Estes 2.31 2.28 101% 12600 20500 61% (6)
Fryingpan-Arkansas Project
Ruedi 0.34 1.71 20% 11300 18700 60%  
Turquoise 1.20 2.01 60% 2900 5200 56%  
Twin Lakes 0.82 1.49 55% 11000 20000 55%  
Pueblo 2.44 2.02 121% 59700 93700 64%  
North Platte River Basin
Seminoe 1.12 1.07 105% 40400 101600 40%  
Pathfinder 0.91 0.84 108% -1400 10700 NA  
Glendo 2.03 1.11 183% 1200 -1100 NA (7)
Guernsey 1.10 1.78 62% -1200 400 NA (8)
Republican River Basin
Bonny 1.70 2.68 63% 785 1900 41%  
Swanson Lake 2.65 3.24 82% 359 5700 6%  
Enders 4.66 2.94 159% 233 3300 7%  
Hugh Butler Lake 4.56 2.95 155% 499 1800 28%  
Harry Strunk Lake 6.71 3.04 221% 7840 5000 157%  
Keith Sebelius Lake 3.47 3.74 93% 631 1300 49%  
Harlan County Lake 2.79 3.41 82% 26130 23200 113%  
Lovewell 1.94 3.80 51% 5876 12300 48% (9)
Solomon River Basin
Kirwin 7.16 3.06 234% 1827 4500 41%  
Webster 5.37 3.49 154% 614 5100 12%  
Glen Elder 3.81 3.72 102% 11935 35300 34%  
Smoky Hill River Basin
Cedar Bluff 2.76 3.34 83% 1143 7500 15%  
Niobrara River Basin
Box Butte 3.00 2.52 119% 299 700 43%  
Merritt 0.10 3.29 3% 14626 15100 97%  
Lower Platte River Basin
Calamus 5.00 3.11 161% 22095 22800 97%  
Davis Creek 2.33 3.25 72% 8495 9600 88% (10)
Arkansas River Basin
Cheney 2.91 2.97 98% 14577 19447 75%  
Norman 6.99 2.69 260% 33352 12875 259%  
Sanford (Meredith) 1.67 2.41 69% 3155 11214 28%  
Red River Basin
Altus 2.15 1.93 111% 7091 3264 217%  
Arbuckle 4.82 2.91 166% 29423 11658 252%  
McGee Creek 8.03 3.23 249% 57930 13846 418%  
Mountain Park 1.94 2.04 95% 6107 8354 73%  
Nueces River Basin
Choke Canyon 8.51 2.47 345% 264849 17667 1499%  
Colorado River Basin
Twin Buttes 2.25 1.06 212% 3484 3813 91%  
Nasworthy 1.38 1.31 105% 942 3779 25%  
Washita River Basin
Foss 1.71 1.83 93% 0 11516 0%  
Fort Cobb 2.07 1.96 106% 7935 10548 75%  
(1) Includes diversions fron the St Milk River
(2) Angostura's precipitation includes sum of Oelrichs, SD, Hot Springs, SD, New Castle, WY & Red Bird, WY
(3) Belle Fourche's precipitation includes sum of Newell, SD, Spearfish, SD and Sundance, WY
(4) Keyhole's precipitation includes sum of Gillette and Sundance, WY
(5) Shadehill's precipitation includes sum of Camp Crook and Lemmon, SD
(6) Includes water only from Big Thompson River
(7) River gain between Alcova and Glendo Reservoirs
(8) River gain between Glendo and Guernsey Reservoirs
(9) Includes diversion from the Upper Courtland Canal
(10) Includes diversions from the North Loup and Calamus Rivers
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