condition mean min max 0 h after light 0.2158675 0.0 0.431735 4 h after light 0.3813575 0.212833 0.549882 8 h after light 1.78971 1.60176 1.97766 4 h after dark 1.911435 1.70278 2.12009 8 h after dark 0.5873444999999999 0.531506 0.643183 12 h after dark 0.533074 0.527204 0.538944