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Table A
Watershed Precipitation and Inflows
Great Plains Region
Data for the month of May, 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 1.70 2.25 76% 7400 27200 27%  
Canyon Ferry 3.25 1.78 183% 409200 572700 71%  
Gibson 3.18 2.97 107% 138700 170400 81%  
Lake Elwell 1.75 1.70 103% 86200 167700 51%  
Milk River Basin
Sherburne 2.96 2.94 101% 29500 32300 91%  
Fresno 2.39 1.63 147% 34500 43800 79% (1)
Bighorn River Basin
Bull Lake 1.43 1.79 80% 36100 27700 130%  
Boysen 1.60 1.81 88% 85900 125000 69%  
Buffalo Bill 0.74 2.12 35% 177100 153700 115%  
Bighorn 2.41 3.09 78% 206700 257900 80%  
Heart River Basin
Dickinson 3.56 2.28 156% 654 2276 29%  
Lake Tschida 4.09 2.34 175% 2682 9667 28%  
Cheyenne River Basin
Angostura 9.10 12.13 75% 3197 17316 18% (2)
Belle Fourche 18.78 11.96 157% 19463 13967 139% (3)
Deerfield 3.06 3.55 86% 747 1333 56%  
Keyhole 9.44 5.69 166% 8595 4469 192% (4)
Pactola 3.49 3.70 94% 2586 6372 41%  
Grand River Basin
Shadehill 8.47 5.43 156% 1362 10710 13% (5)
James River Basin
Jamestown 4.17 2.21 189% 2758 6859 40%  
CBT Project
Green Mountain 1.24 1.78 70% 92600 67200 138%  
Willow Creek 1.16 1.80 64% 18600 22400 83%  
Lake Granby 1.16 1.80 64% 58200 55800 104%  
Lake Estes 2.31 2.58 90% 19700 15200 130% (6)
Fryingpan-Arkansas Project
Ruedi 0.80 1.45 55% 24500 29900 82%  
Turquoise 1.02 1.40 73% 8500 6300 135%  
Twin Lakes 0.72 0.96 75% 17700 13100 135%  
Pueblo 5.11 1.94 263% 109900 63200 174%  
North Platte River Basin
Seminoe 1.19 1.66 72% 182600 221600 82%  
Pathfinder 2.25 2.04 110% 11800 31600 37%  
Glendo 2.39 2.05 117% 66000 63800 103% (7)
Guernsey 2.64 2.40 110% 9800 9800 100% (8)
Republican River Basin
Bonny 1.96 3.04 64% 626 2800 22%  
Swanson Lake 2.18 3.19 68% 2275 10000 23%  
Enders 3.62 2.97 122% 588 3000 20%  
Hugh Butler Lake 2.27 2.80 81% 9359 1900 493%  
Harry Strunk Lake 3.05 3.22 95% 11522 5200 222%  
Keith Sebelius Lake 3.97 4.10 97% 791 1100 72%  
Harlan County Lake 5.29 3.69 143% 24476 28200 87%  
Lovewell 5.61 3.91 143% 6857 6800 101% (9)
Solomon River Basin
Kirwin 2.85 3.95 72% 1930 5500 35%  
Webster 3.04 3.77 81% 1851 6100 30%  
Glen Elder 4.56 3.63 126% 6634 27700 24%  
Smoky Hill River Basin
Cedar Bluff 3.43 3.06 112% 1877 5800 32%  
Niobrara River Basin
Box Butte 1.38 3.01 46% 515 1700 30%  
Merritt 6.81 3.29 207% 15211 15800 96%  
Lower Platte River Basin
Calamus 7.10 3.80 187% 27582 26900 103%  
Davis Creek 8.30 3.37 246% 14275 11900 120% (10)
Arkansas River Basin
Cheney 7.71 4.65 166% 66849 20244 330%  
Norman 12.42 6.81 182% 40631 14853 274%  
Sanford (Meredith) 1.72 2.75 63% 4965 11614 43%  
Red River Basin
Altus 5.94 5.53 107% 63068 5386 1171%  
Arbuckle 7.60 6.92 110% 24232 6948 349%  
McGee Creek 10.84 7.88 138% 46044 5152 894%  
Mountain Park 4.26 5.53 77% 26190 10561 248%  
Nueces River Basin
Choke Canyon 7.24 2.94 246% 55024 10762 511%  
Colorado River Basin
Twin Buttes 3.22 1.39 232% 7423 4721 157%  
Nasworthy 4.91 3.93 125% 997 5444 18%  
Washita River Basin
Foss 5.99 4.74 126% 21695 19865 109%  
Fort Cobb 11.62 6.44 180% 17753 11801 150%  
(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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