condition	mean	min	max
4 h after light	8.275765	7.78393	8.7676
8 h after light	6.76205	6.33263	7.19147
12 h after light	7.50481	7.17149	7.83813
4 h after dark	9.547654999999999	8.85951	10.2358
8 h after dark	8.361474999999999	8.04707	8.67588
12 h after dark	8.500029999999999	8.40596	8.5941