condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.021984033333333333 0.0 0.0659521 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0