condition	mean	min	max
4 h after light	17.5591	14.7156	20.4026
8 h after light	18.4292	17.8637	18.9947
12 h after light	24.62445	23.0886	26.1603
4 h after dark	22.006	20.9094	23.1026
8 h after dark	17.4765	17.158	17.795
12 h after dark	19.768700000000003	19.3899	20.1475