condition	mean	min	max
4 h after light	4.618945	3.87161	5.36628
8 h after light	5.341635	5.3208	5.36247
12 h after light	6.4047149999999995	6.2564	6.55303
4 h after dark	7.885660000000001	7.48298	8.20043
8 h after dark	7.15328	6.30577	7.9516
12 h after dark	6.065193333333333	5.83222	6.20433