condition	mean	min	max
4 h after light	3.4543150000000002	3.25202	3.65661
8 h after light	4.879455	4.67429	5.08462
12 h after light	5.445265	5.15494	5.73559
4 h after dark	6.13718	5.76282	6.51154
8 h after dark	4.920915	4.81734	5.02449
12 h after dark	4.36401	3.99888	4.72914