condition mean min max 0 h after light 5.8485949999999995 5.2039 6.49329 4 h after light 2.92374 2.64647 3.20101 8 h after light 3.24919 2.64391 3.85447 4 h after dark 3.512525 2.56098 4.46407 8 h after dark 3.533465 3.19754 3.86939 12 h after dark 1.282785 1.26866 1.29691