condition	mean	min	max
4 h after light	20.257035000000002	20.019066	20.495004
8 h after light	18.949917	18.774494	19.12534
12 h after light	22.642175	22.622478	22.661872
4 h after dark	20.121160500000002	19.192338	21.049983
8 h after dark	18.7725765	17.995055	19.550098
12 h after dark	22.926012	22.926012	22.926012