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 0.05033325 0.0 0.201333 3 h after dark 0.0 0.0 0.0 6 h after dark 0.07469633333333334 0.0 0.224089 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0