condition	mean	min	max
4 h after light	5.812063333333334	5.55871	6.07295
8 h after light	5.82179	5.649290000000001	6.01837
12 h after light	5.9241600000000005	5.71623	6.04542
4 h after dark	5.844546666666667	5.660480000000001	6.110530000000001
8 h after dark	5.91113	5.7929	6.142469999999999
12 h after dark	5.874243333333333	5.82998	5.92422