condition	mean	min	max
4 h after light	5.748163333333333	5.58258	6.00378
8 h after light	6.518976666666667	6.32902	6.790080000000001
12 h after light	6.504036666666667	6.29132	6.797210000000001
4 h after dark	5.93889	5.46352	6.271059999999999
8 h after dark	5.624223333333334	5.36265	5.8280400000000006
12 h after dark	5.74307	5.43851	6.05996