condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.71633 0.0 2.14899 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.8662 0.0 1.47643 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0