condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.020584466666666665 0.0 0.0617534 12 h after light 0.054190999999999996 0.0 0.162573 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