condition	mean	min	max
4 h after light	4.446895	3.69855	5.19524
8 h after light	4.58911	4.40939	4.76883
12 h after light	6.572875	6.30274	6.84301
4 h after dark	11.009233333333333	10.6288	11.3548
8 h after dark	12.330766666666667	10.0861	14.1687
12 h after dark	5.19087	4.44667	5.72325