condition	mean	min	max
4 h after light	5.618745	4.17709	7.0604
8 h after light	6.66491	5.10913	8.22069
12 h after light	7.856965	6.26709	9.44684
4 h after dark	2.77064	2.25375	3.21901
8 h after dark	4.62174	3.50458	5.45856
12 h after dark	4.771823333333334	3.26672	6.41818