condition	mean	min	max
4 h after light	10.86104	6.74322	14.5423
8 h after light	19.523086666666668	6.02886	32.6387
12 h after light	20.36573333333333	12.1664	31.5585
4 h after dark	22.174799999999998	14.7128	29.4975
8 h after dark	11.4749	8.8485	14.2217
12 h after dark	7.19693	6.79471	7.63148