condition	mean	min	max
4 h after light	1.765185	1.32234	2.20803
8 h after light	0.4535095	0.203803	0.703216
12 h after light	2.32434	1.66529	2.98339
4 h after dark	1.104663	0.947356	1.26197
8 h after dark	3.965895	3.30914	4.62265
12 h after dark	2.10226	1.93251	2.27201