condition	mean	min	max
0 h after light	4.994405	4.92565	5.06316
4 h after light	4.80813	4.77196	4.8443
8 h after light	6.78043	6.06041	7.50045
4 h after dark	5.860005	5.21621	6.5038
8 h after dark	5.1663499999999996	4.76442	5.56828
12 h after dark	4.5874299999999995	4.36297	4.81189