condition	mean	min	max
4 h after light	0.43999049999999995	0.291808	0.588173
8 h after light	1.658665	1.50903	1.8083
12 h after light	9.17417	8.82703	9.52131
4 h after dark	8.40322	7.31074	9.4957
8 h after dark	3.424995	3.14405	3.70594
12 h after dark	1.380215	1.33826	1.42217