condition	mean	min	max
3 h after light	8.868970000000001	6.57641	13.0771
6 h after light	10.07469	6.74147	12.2574
9 h after light	11.20279	8.31037	14.7934
12 h after light	13.7248375	8.65845	16.9648
3 h after dark	19.9938	17.3677	22.3301
6 h after dark	17.560066666666668	17.1537	17.9656
9 h after dark	12.37693	9.25479	14.5257
12 h after dark	8.1632	7.8862	8.4402