condition	mean	min	max
4 h after light	12.86565	11.8917	13.8396
8 h after light	18.787300000000002	18.2026	19.372
12 h after light	11.729	11.6775	11.7805
4 h after dark	11.2028	10.2331	12.6068
8 h after dark	7.55461	6.98679	8.35696
12 h after dark	8.464186666666667	7.94599	9.04386