condition	mean	min	max
3 h after light	9.2945275	6.77063	11.902
7 h after light	8.521411666666667	6.19013	10.7006
11 h after light	9.664595	8.04396	12.5432
2 h after dark	9.31655	7.15413	12.3081
6 h after dark	8.834380833333334	6.63965	12.5164
10 h after dark	8.921826666666666	4.84577	12.6907