condition	mean	min	max
0 h after light	2.929675	2.66593	3.19342
4 h after light	3.4591849999999997	2.9827	3.93567
8 h after light	4.931615	4.33428	5.52895
4 h after dark	4.45297	3.92043	4.98551
8 h after dark	3.814715	3.43593	4.1935
12 h after dark	3.68303	3.37964	3.98642