condition	mean	min	max
4 h after light	8.214573999999999	8.130646	8.298502
8 h after light	8.5055955	7.530266	9.480925
12 h after light	8.338022500000001	8.250177	8.425868
4 h after dark	8.2005215	7.958292	8.442751
8 h after dark	8.643449	8.351475	8.935423
12 h after dark	8.298502	8.298502	8.298502