condition mean min max 4 h after light 0.161717 0.125119 0.198315 8 h after light 0.0 0.0 0.0 12 h after light 0.1009378 0.0899686 0.111907 4 h after dark 0.037084 0.0 0.111252 8 h after dark 0.0 0.0 0.0 12 h after dark 0.05073746666666667 0.0 0.0954076