condition	mean	min	max
4 h after light	8.191915	8.16006	8.22377
8 h after light	9.2819	9.00283	9.56097
12 h after light	10.658345	9.68749	11.6292
4 h after dark	14.4519	14.0013	14.9025
8 h after dark	13.18855	12.666	13.7111
12 h after dark	11.969349999999999	11.4879	12.4508