condition	mean	min	max
4 h after light	5.953753333333333	5.93206	5.96922
8 h after light	5.86379	5.756469999999999	5.92587
12 h after light	5.830773333333333	5.7804199999999994	5.88716
4 h after dark	5.99051	5.943569999999999	6.05996
8 h after dark	5.82832	5.77641	5.88523
12 h after dark	5.713926666666667	5.61935	5.83666