condition	mean	min	max
4 h after light	1.44863	1.34903	1.54823
8 h after light	1.4696150000000001	1.30611	1.63312
12 h after light	1.8268550000000001	1.78983	1.86388
4 h after dark	1.542975	1.32581	1.76014
8 h after dark	1.799525	1.63648	1.96257
12 h after dark	2.05896	1.90376	2.21416