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 0.0 0.0 0.0 12 h after light 0.045393050000000004 0.0 0.0930448 3 h after dark 0.0 0.0 0.0 6 h after dark 0.03284446666666666 0.0 0.0985334 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0