condition	mean	min	max
4 h after light	8.819145	8.71418	8.92411
8 h after light	9.509955000000001	9.35458	9.66533
12 h after light	6.32646	5.32127	7.33165
4 h after dark	10.18835	10.1397	10.237
8 h after dark	10.6761	10.4217	10.9305
12 h after dark	10.588865	9.84383	11.3339