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 0.078467 0.0 0.235401 12 h after light 0.0 0.0 0.0 3 h after dark 0.13975133333333334 0.0 0.217163 6 h after dark 0.057508333333333335 0.0 0.172525 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0