condition	mean	min	max
4 h after light	27.9145	23.0723	32.7567
8 h after light	19.14535	18.4618	19.8289
12 h after light	13.73855	13.3267	14.1504
4 h after dark	18.7521	18.2913	19.3504
8 h after dark	18.545166666666667	17.65	19.5005
12 h after dark	21.281633333333332	20.1123	22.0584