condition	mean	min	max
4 h after light	1.69544	1.13908	2.2518
8 h after light	1.73243	1.53313	1.93173
12 h after light	1.307985	1.04314	1.57283
4 h after dark	2.57564	2.40182	2.74946
8 h after dark	1.666865	1.62661	1.70712
12 h after dark	2.24269	1.88399	2.60139