condition	mean	min	max
4 h after light	6.614644999999999	4.87577	8.35352
8 h after light	10.770575000000001	9.59755	11.9436
12 h after light	12.13059	9.67438	14.5868
4 h after dark	13.46695	11.2094	15.7245
8 h after dark	9.656505	7.59951	11.7135
12 h after dark	12.42475	10.5919	14.2576