condition	mean	min	max
0 h after light	7.00751	6.84283	7.17219
4 h after light	6.999625	5.80508	8.19417
8 h after light	6.49517	5.82079	7.16955
4 h after dark	9.49641	7.21432	11.7785
8 h after dark	10.298815000000001	9.86163	10.736
12 h after dark	6.82726	6.01128	7.64324