condition	mean	min	max
4 h after light	5.27647	3.99423	6.55871
8 h after light	2.0298	1.71829	2.34131
12 h after light	22.76375	17.4357	28.0918
4 h after dark	20.6693	15.4755	25.8631
8 h after dark	23.0482	22.3434	23.753
12 h after dark	10.37211	9.36622	11.378