condition	mean	min	max
4 h after light	2.039405	1.96504	2.11377
8 h after light	1.425065	1.29486	1.55527
12 h after light	2.694095	1.6126	3.77559
4 h after dark	3.57945	2.64293	4.30214
8 h after dark	4.127523333333333	1.89922	5.97426
12 h after dark	2.21611	1.97343	2.46782