condition mean min max 0 h after light 13.77645 13.3329 14.22 2 h after light 5.046895 4.11997 5.97382 4 h after light 2.72251 1.39825 4.04677 8 h after light 5.67212 4.73725 6.60699 12 h after light 7.089125 6.80694 7.37131 2 h after dark 5.65745 5.64792 5.66698 4 h after dark 14.15455 13.6673 14.6418 8 h after dark 17.5242 14.9266 20.1218 12 h after dark 10.54738 9.79296 11.3018