condition mean min max 4 h after light 8.133473333333333 6.75445 9.97697 8 h after light 5.643256666666667 1.5872 10.264 12 h after light 8.96953 6.08912 14.2306 4 h after dark 7.2422699999999995 7.1346 7.33264 8 h after dark 7.222300000000001 6.71492 8.19893 12 h after dark 5.9782633333333335 5.13702 6.9976