condition	mean	min	max
4 h after light	12.0247	10.8288	13.2206
8 h after light	18.255699999999997	17.5002	19.0112
12 h after light	20.6189	19.4118	21.826
4 h after dark	26.40235	25.4663	27.3384
8 h after dark	20.23555	20.1411	20.33
12 h after dark	19.396900000000002	19.0993	19.6945