condition	mean	min	max
4 h after light	4.607270000000001	4.52934	4.70258
8 h after light	4.6486133333333335	4.57324	4.7314300000000005
12 h after light	4.638773333333333	4.49567	4.78751
4 h after dark	4.67978	4.57759	4.7868
8 h after dark	4.574513333333333	4.4703599999999994	4.72262
12 h after dark	4.551776666666666	4.52956	4.595619999999999