condition	mean	min	max
4 h after light	16.355650999999998	15.016473	17.694829
8 h after light	16.8522155	13.375627	20.328804
12 h after light	17.418726	15.762512	19.07494
4 h after dark	15.812821	15.788646	15.836996
8 h after dark	13.718840499999999	13.255355	14.182326
12 h after dark	15.663284	15.663284	15.663284