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 0.01751165 0.0 0.0352285 3 h after dark 0.0 0.0 0.0 6 h after dark 0.014359633333333335 0.0 0.0430789 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0