condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.04241433333333333 0.0 0.127243 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.22640466666666667 0.0 0.679214 12 h after dark 0.0 0.0 0.0