condition	mean	min	max
4 h after light	8.931536666666666	8.614130000000001	9.15265
8 h after light	8.442536666666667	8.1235	8.71915
12 h after light	8.93112	8.89375	8.98875
4 h after dark	9.029063333333333	8.74898	9.28635
8 h after dark	9.024049999999999	8.927769999999999	9.20214
12 h after dark	9.028920000000001	8.98409	9.10641