condition	mean	min	max
4 h after light	4.693555	4.01693	5.37018
8 h after light	5.245025	4.75254	5.73751
12 h after light	7.06543	6.54011	7.59075
4 h after dark	7.62998	7.43129	7.82867
8 h after dark	5.99114	5.53685	6.44543
12 h after dark	5.3041	5.14691	5.46129