condition	mean	min	max
4 h after light	4.278565	3.88539	4.67174
8 h after light	6.391475	6.03093	6.75202
12 h after light	7.883345	7.48031	8.28638
4 h after dark	11.136254999999998	9.96661	12.3059
8 h after dark	7.816205	7.72112	7.91129
12 h after dark	6.03501	5.32055	6.74947