condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.05593605 0.0 0.0811702 3 h after dark 0.127107 0.0 0.268666 6 h after dark 0.09825003333333333 0.0773704 0.128146 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0886905 0.0 0.177381