condition	mean	min	max
4 h after light	13.89415	13.0278	14.7605
8 h after light	13.22205	13.0822	13.3619
12 h after light	13.5612	13.3146	13.8078
4 h after dark	18.84975	17.3867	20.3128
8 h after dark	15.024999999999999	14.9155	15.1345
12 h after dark	16.1222	15.3107	16.9337