condition	mean	min	max
0 h after light	7.1982349999999995	6.07536	8.32111
4 h after light	4.97606	4.59856	5.35356
8 h after light	5.649884999999999	4.88124	6.41853
4 h after dark	7.563855	7.50938	7.61833
8 h after dark	6.55594	6.52843	6.58345
12 h after dark	7.116440000000001	5.99336	8.23952