condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.4453466666666666 0.0 1.33604 12 h after dark 0.42545666666666665 0.0 1.27637