condition	mean	min	max
4 h after light	9.34868	9.02401	9.57201
8 h after light	8.712456666666666	8.32647	8.971119999999999
12 h after light	9.075626666666667	8.700569999999999	9.351180000000001
4 h after dark	9.362943333333334	8.97569	9.81512
8 h after dark	8.96402	8.59561	9.2636
12 h after dark	8.96825	8.62402	9.54763