condition	mean	min	max
4 h after light	12.3818	11.3683	13.3953
8 h after light	3.561935	1.72699	5.39688
12 h after light	7.719225	5.59551	9.84294
4 h after dark	33.067499999999995	26.8061	39.3289
8 h after dark	52.4399	49.4487	55.4311
12 h after dark	28.6552	26.6795	30.6309