Table 3. Mean and range of total length of YOY Arctic 



grayling, mountain whitefish, and brook trout in the 

 Big Hole River drainage, July 6 to August 28, 1989. 



Grayling Whitefish Brook Trout 



Mean Rng. N Mean Rng. N Mean Rng. N 



Date (±SD) (±SD) (+SD) 



Jul 6 2.52 2.4- 5 2.63 2.5- 26 2.54 1.9- 85 



(0.08) 2.6 (0.11) 2.9 (0.26) 3.1 



Jul 11-14 2.55 2.1- 80 2.83 2.3- 9 



(0.15) 3.0 (0.23) 3.0 



Jul 17-20 2.80 2.4- 101 2.92 2.4- 39 2.66 2.1- 33 



(0.19) 3.2 (0.24) 3.6 (0.41) 4.5 



Jul 21-24 2.69 2.3- 9 3.35 3.0- 17 2.63 2.6- 4 



(0.19) 3.0 (0.19) 3.6 (0.05) 2.7 



Jul 26-27 3.06 2.9- 5 2.73 1.7- 67 



(0.15) 3.2 (0.66) 4.6 



Aug 1-3 3.42 3.0- 203 3.43 2.9- 60 3.11 2.7- 25 



(0.18) 3.8 (0.22) 4.1 (0.22) 3.6 



Aug 7-10 3.68 3.0- 144 3.49 3.0- 52 3.11 2.2- 58 



(0.19) 4.1 (0.19) 3.8 (0.41) 3.9 



Aug 14-16 3.70 3.3- 19 3.53 3.0- 12 



(0.22) 4.1 (0.25) 3.9 



Aug 17-21 3.90 3.3- 33 3.64 3.1- 7 3.40 3.0- 5 



(0.28) 4.4 (0.33) 4.0 (0.22) 3.5 



Aug 28 4.08 3.7- 55 3.69 3.2- 33 3.71 3.5- 8 



(0.24) 4.7 (0.19) 4.1 (0.16) 4.0 



15 



