condition	mean	min	max
0 h after light	10.71365	10.498	10.9293
4 h after light	22.30745	22.2395	22.3754
8 h after light	19.63675	18.9861	20.2874
4 h after dark	17.8247	17.6542	17.9952
8 h after dark	15.52885	15.1966	15.8611
12 h after dark	13.309750000000001	12.5197	14.0998