condition	mean	min	max
4 h after light	12.0833	11.2112	12.9554
8 h after light	12.479	12.2602	12.6978
12 h after light	14.35675	14.0907	14.6228
4 h after dark	17.10915	16.2217	17.9966
8 h after dark	16.64815	16.4144	16.8819
12 h after dark	20.0886	18.0934	22.0838