condition	mean	min	max
4 h after light	6.755255	6.26576	7.24475
8 h after light	7.678850000000001	7.33711	8.02059
12 h after light	6.514155000000001	6.48925	6.53906
4 h after dark	8.66477	6.91474	10.4148
8 h after dark	7.097405	7.02377	7.17104
12 h after dark	6.95695	6.80922	7.10468