condition	mean	min	max
4 h after light	9.057543333333333	8.757530000000001	9.26321
8 h after light	7.174013333333333	7.126519999999999	7.237589999999999
12 h after light	6.8934033333333335	6.77613	7.024560000000001
4 h after dark	7.250356666666666	7.199839999999999	7.339339999999999
8 h after dark	8.9412	8.630560000000001	9.33504
12 h after dark	9.731910000000001	9.53784	9.91411