condition	mean	min	max
4 h after light	20.166249999999998	20.088	20.2445
8 h after light	21.126649999999998	20.3345	21.9188
12 h after light	18.141550000000002	17.6954	18.5877
4 h after dark	29.4724	28.8227	30.1221
8 h after dark	25.1696	25.087	25.2522
12 h after dark	25.90265	25.5732	26.2321