condition	mean	min	max
4 h after light	5.763450000000001	5.59774	5.9562800000000005
8 h after light	5.50306	5.47687	5.5349699999999995
12 h after light	5.566516666666667	5.4488199999999996	5.628480000000001
4 h after dark	5.3859900000000005	5.28523	5.541
8 h after dark	5.217856666666666	5.14617	5.3166199999999995
12 h after dark	5.12231	5.03774	5.2815199999999995