condition	mean	min	max
4 h after light	2.5068099999999998	2.3005	2.71312
8 h after light	3.7636000000000003	3.55459	3.97261
12 h after light	2.7006249999999996	2.27763	3.12362
4 h after dark	2.013253333333333	1.75517	2.46728
8 h after dark	0.8708246666666666	0.64682	1.21111
12 h after dark	1.61551	1.29762	2.2093