condition	mean	min	max
4 h after light	7.449249999999999	7.2665	7.632
8 h after light	5.832890000000001	5.78809	5.87769
12 h after light	6.73865	5.99446	7.48284
4 h after dark	12.000333333333334	10.612	13.66
8 h after dark	9.932316666666667	8.64745	11.148
12 h after dark	12.0552	11.3093	12.6914