condition	mean	min	max
4 h after light	10.009866666666667	9.823830000000001	10.22635
8 h after light	9.70699	9.48214	10.01988
12 h after light	9.652896666666667	9.51557	9.80081
4 h after dark	8.419083333333333	8.19577	8.74114
8 h after dark	8.58385	8.523589999999999	8.64828
12 h after dark	8.45348	8.22831	8.75122