condition	mean	min	max
4 h after light	20.80955	20.6667	20.9524
8 h after light	17.4437	17.3913	17.4961
12 h after light	16.91365	14.4147	19.4126
4 h after dark	22.363999999999997	21.1547	23.5733
8 h after dark	21.4714	20.5109	22.4319
12 h after dark	21.80405	21.413	22.1951