condition	mean	min	max
4 h after light	7.17619	6.93879	7.41359
8 h after light	4.27933	4.08952	4.46914
12 h after light	4.665315	4.37072	4.95991
4 h after dark	5.096535	4.73617	5.4569
8 h after dark	6.1596150000000005	6.14526	6.17397
12 h after dark	6.92389	6.74548	7.1023