condition	mean	min	max
4 h after light	6.2989250000000006	5.0999	7.49795
8 h after light	5.24167	5.21785	5.26549
12 h after light	6.275805	5.90818	6.64343
4 h after dark	6.848303333333333	6.72485	6.95751
8 h after dark	7.36682	7.00734	7.96772
12 h after dark	6.4360566666666665	6.13793	6.89809