condition	mean	min	max
4 h after light	4.57861	4.40263	4.75459
8 h after light	5.08567	4.92185	5.24949
12 h after light	7.42271	7.39519	7.45023
4 h after dark	10.619675	9.96105	11.2783
8 h after dark	10.33025	10.231	10.4295
12 h after dark	8.57292	8.49862	8.64722