condition mean min max 0 h after light 5.36553 5.1518 5.57926 4 h after light 4.897665 4.20934 5.58599 8 h after light 5.099765 4.22387 5.97566 4 h after dark 6.706720000000001 6.17091 7.24253 8 h after dark 7.772425 7.61311 7.93174 12 h after dark 6.780765000000001 6.73006 6.83147