condition	mean	min	max
0 h after light	11.61745	11.3843	11.8506
4 h after light	14.8264	14.4832	15.1696
8 h after light	17.65905	17.1386	18.1795
4 h after dark	19.400599999999997	18.8251	19.9761
8 h after dark	15.18	15.0633	15.2967
12 h after dark	12.66425	12.2853	13.0432