condition	mean	min	max
4 h after light	14.097	12.7144	15.4796
8 h after light	12.07005	11.6358	12.5043
12 h after light	18.264699999999998	17.3828	19.1466
4 h after dark	22.232149999999997	19.9196	24.5447
8 h after dark	17.4777	17.4437	17.5117
12 h after dark	16.9765	16.2192	17.7338