condition mean min max 0 h after light 16.4913 16.0432 16.9394 4 h after light 10.614049999999999 10.5359 10.6922 8 h after light 8.513825 8.08679 8.94086 4 h after dark 10.964739999999999 9.20588 12.7236 8 h after dark 13.2218 12.709 13.7346 12 h after dark 16.042099999999998 14.454 17.6302