condition	mean	min	max
0 h after light	4.979485	4.58196	5.37701
4 h after light	8.321355	7.73666	8.90605
8 h after light	5.76619	4.79742	6.73496
4 h after dark	4.2497799999999994	3.4852	5.01436
8 h after dark	4.53385	3.99693	5.07077
12 h after dark	6.064915	4.96802	7.16181