condition	mean	min	max
0 h after light	9.40997	9.15936	9.66058
4 h after light	9.93637	9.66764	10.2051
8 h after light	7.2328600000000005	6.8269	7.63882
4 h after dark	8.958375	7.20065	10.7161
8 h after dark	12.712800000000001	12.2329	13.1927
12 h after dark	9.204545	8.84762	9.56147