condition	mean	min	max
4 h after light	15.190373333333334	13.643670000000002	16.51817
8 h after light	7.616291333333334	4.432497	9.80028
12 h after light	4.379300666666667	1.785505	6.751449000000001
16 h after light	4.7288413333333335	3.260294	6.379351
4 h after dark	9.052413999999999	4.6183819999999995	11.39011
8 h after dark	9.730554	5.295432	13.46611