condition	mean	min	max
4 h after light	2.294035	2.22312	2.36495
8 h after light	2.40906	2.31946	2.49866
12 h after light	2.406685	2.04216	2.77121
4 h after dark	6.42235	6.17027	6.67443
8 h after dark	5.621785	4.66646	6.57711
12 h after dark	4.669095	4.19578	5.14241