condition	mean	min	max
4 h after light	7.14071	6.92421	7.37546
8 h after light	7.195516666666666	6.999219999999999	7.43285
12 h after light	7.08098	6.93398	7.16268
4 h after dark	7.07583	6.886819999999999	7.19601
8 h after dark	7.088913333333333	6.98372	7.240480000000001
12 h after dark	7.109913333333333	6.95962	7.20078