condition	mean	min	max
4 h after light	8.201213333333332	4.1508519999999995	10.664439999999999
8 h after light	2.9864273333333333	1.432707	5.04461
12 h after light	9.106098333333334	6.352221	12.25563
16 h after light	9.704788333333333	5.551702	14.619439999999999
4 h after dark	6.74013	4.268822	8.544325
8 h after dark	8.87889	5.386822	11.25385