condition	mean	min	max
4 h after light	7.5859700000000005	5.52304	9.43458
8 h after light	4.514329999999999	1.50494	6.15138
12 h after light	4.9201	3.91198	5.77129
4 h after dark	17.870266666666666	16.4159	19.0856
8 h after dark	15.3437	11.9106	18.919
12 h after dark	10.686996666666667	8.42614	14.6289