condition mean min max 4 h after light 0.07755095 0.0514329 0.103669 8 h after light 0.06674455 0.0209981 0.112491 12 h after light 0.26848150000000004 0.230808 0.306155 4 h after dark 0.5871705 0.560381 0.61396 8 h after dark 0.42999350000000003 0.303288 0.556699 12 h after dark 0.17458705 0.0884701 0.260704