condition mean min max 0 h after light 1.48352 1.28165 1.68539 4 h after light 1.31604 0.83662 1.79546 8 h after light 1.60311 1.13338 2.07284 4 h after dark 3.605645 2.7465 4.46479 8 h after dark 1.8302399999999999 1.8207 1.83978 12 h after dark 1.2383929999999999 0.794956 1.68183