condition mean min max 0 h after light 0.46327949999999996 0.404963 0.521596 4 h after light 0.37170585 0.0589467 0.684465 8 h after light 0.38030200000000003 0.171707 0.588897 4 h after dark 0.0285212 0.0 0.0570424 8 h after dark 0.02848845 0.0 0.0569769 12 h after dark 0.258725 0.113031 0.404419