condition	mean	min	max
4 h after light	16.06325	14.9151	17.2114
8 h after light	14.7765	14.4748	15.0782
12 h after light	15.67825	14.6476	16.7089
4 h after dark	18.4682	17.0136	19.9228
8 h after dark	16.901699999999998	16.5833	17.2201
12 h after dark	18.295099999999998	17.6313	18.9589