condition	mean	min	max
4 h after light	6.969235	6.34027	7.5982
8 h after light	4.176325	4.13331	4.21934
12 h after light	2.774685	2.05807	3.4913
4 h after dark	6.3573	6.02914	6.68546
8 h after dark	7.87424	7.50327	8.24521
12 h after dark	10.06469	9.11358	11.0158