condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.2343885 0.0 0.468777 4 h after light 0.0 0.0 0.0 8 h after light 0.240715 0.0 0.48143 12 h after light 0.2670765 0.0 0.534153 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0