condition	mean	min	max
3 h after light	4.855763333333333	3.70348	6.63862
6 h after light	2.92973	2.60143	3.16435
9 h after light	2.31194	1.68728	3.28057
12 h after light	6.565795	3.99319	11.7623
3 h after dark	15.327033333333333	13.3545	17.6857
6 h after dark	16.7223	14.5705	19.3611
9 h after dark	11.9786	11.1356	12.8655
12 h after dark	6.707235	6.08634	7.32813