condition	mean	min	max
4 h after light	6.91205	6.12555	7.69855
8 h after light	5.829685	5.35472	6.30465
12 h after light	6.703144999999999	6.29156	7.11473
4 h after dark	7.589475	7.26435	7.9146
8 h after dark	8.051034999999999	7.36585	8.73622
12 h after dark	8.118525	7.31364	8.92341