condition	mean	min	max
0 h after light	6.40937	5.73317	7.08557
4 h after light	8.637265	7.23043	10.0441
8 h after light	6.276325	5.93161	6.62104
4 h after dark	11.25065	11.0171	11.4842
8 h after dark	10.755295	9.96939	11.5412
12 h after dark	5.823595	5.08024	6.56695