condition mean min max 0 h after light 1.580235 1.26554 1.89493 4 h after light 1.184615 1.04585 1.32338 8 h after light 0.6339440000000001 0.624914 0.642974 4 h after dark 0.583267 0.310177 0.856357 8 h after dark 1.8741349999999999 1.86627 1.882 12 h after dark 0.8964624999999999 0.867343 0.925582