condition	mean	min	max
4 h after light	6.248386666666667	5.9728	6.39733
8 h after light	8.11782	7.589910000000001	8.669880000000001
12 h after light	7.798083333333334	7.557410000000001	8.00148
4 h after dark	8.099086666666667	7.91604	8.258519999999999
8 h after dark	8.043453333333334	7.849310000000001	8.31635
12 h after dark	7.326420000000001	7.013210000000001	7.67783