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 1.6146633333333333 0.0 4.84399 8 h after dark 0.0 0.0 0.0 12 h after dark 2.0236433333333332 0.0 4.25649