condition	mean	min	max
4 h after light	8.94127	8.65563	9.22691
8 h after light	11.3679	10.4244	12.3114
12 h after light	10.075095000000001	8.98119	11.169
4 h after dark	16.15315	15.6297	16.6766
8 h after dark	17.9304	17.8385	18.0223
12 h after dark	14.88215	14.1744	15.5899