condition	mean	min	max
4 h after light	81.159401	73.409723	88.909079
8 h after light	77.7392155	75.70715	79.771281
12 h after light	77.1730185	73.618989	80.727048
4 h after dark	69.170597	67.239778	71.101416
8 h after dark	52.843456	50.459843	55.227069
12 h after dark	82.254861	82.254861	82.254861