condition mean min max 0 h after light 1.50949 1.28919 1.72979 2 h after light 1.480075 1.46627 1.49388 4 h after light 1.2748605 0.521721 2.028 8 h after light 1.50793 1.09933 1.91653 12 h after light 1.0752905 0.935481 1.2151 2 h after dark 2.1564050000000003 1.78085 2.53196 4 h after dark 2.613405 2.17411 3.0527 8 h after dark 2.92924 2.3946 3.46388 12 h after dark 3.144155 2.59539 3.69292