condition	mean	min	max
4 h after light	8.37125	7.9007	8.8418
8 h after light	7.46316	7.24065	7.68567
12 h after light	9.158215	8.48551	9.83092
4 h after dark	10.914850000000001	9.989	11.8407
8 h after dark	9.553055	9.4671	9.63901
12 h after dark	9.19777	9.08534	9.3102