condition	mean	min	max
0 h after light	2.11003	2.04597	2.17409
4 h after light	2.046215	2.01385	2.07858
8 h after light	1.71257	1.27421	2.15093
4 h after dark	2.17155	2.01375	2.32935
8 h after dark	1.791725	1.76666	1.81679
12 h after dark	1.72417	1.71062	1.73772