condition	mean	min	max
4 h after light	7.711115	7.13185	8.29038
8 h after light	10.6943	10.4814	10.9072
12 h after light	11.2039	11.0811	11.3267
4 h after dark	17.68035	16.3828	18.9779
8 h after dark	13.17615	13.0211	13.3312
12 h after dark	11.133099999999999	10.3528	11.9134