condition	mean	min	max
4 h after light	1.67248	1.56525	1.77971
8 h after light	2.1760599999999997	2.11373	2.23839
12 h after light	1.9372250000000002	1.51305	2.3614
4 h after dark	2.1411249999999997	2.04648	2.23577
8 h after dark	3.42743	2.94517	3.90969
12 h after dark	3.0464200000000003	2.57201	3.52083