condition	mean	min	max
4 h after light	20.4072335	17.921648	22.892819
8 h after light	25.7672775	23.702081	27.832474
12 h after light	21.1496855	20.64808	21.651291
4 h after dark	25.5493885	20.570188	30.528589
8 h after dark	21.736427	21.11605	22.356804
12 h after dark	23.802407	23.802407	23.802407