condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.30886433333333335 0.154328 0.553405 12 h after light 0.5944333333333334 0.363725 0.960757 4 h after dark 0.27910433333333334 0.0 0.536333 8 h after dark 0.0 0.0 0.0 12 h after dark 0.15715300000000001 0.0 0.471459