condition	mean	min	max
4 h after light	4.683906666666666	4.6205	4.7632
8 h after light	4.75603	4.53035	4.87277
12 h after light	4.75051	4.5418199999999995	5.104080000000001
4 h after dark	4.619376666666667	4.60605	4.63061
8 h after dark	4.6011	4.27732	4.9596
12 h after dark	4.622763333333333	4.5711	4.68112