condition	mean	min	max
4 h after light	17.92175	15.3158	20.5277
8 h after light	18.6035	18.1358	19.0712
12 h after light	28.9966	25.3468	32.6464
4 h after dark	37.6297	37.3265	38.1117
8 h after dark	32.577	29.2575	37.4068
12 h after dark	20.680933333333332	19.1766	22.4661