condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.018961433333333333 0.0 0.0568843 12 h after light 0.0 0.0 0.0 3 h after dark 0.021779000000000003 0.0 0.065337 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