condition	mean	min	max
0 h after light	2.865015	2.65783	3.0722
4 h after light	6.160195	5.34174	6.97865
8 h after light	8.002545000000001	7.88855	8.11654
4 h after dark	7.243285	7.02781	7.45876
8 h after dark	6.924885	6.80229	7.04748
12 h after dark	3.3876749999999998	2.89604	3.87931