condition	mean	min	max
4 h after light	2.076235	1.65605	2.49642
8 h after light	1.82305	1.67772	1.96838
12 h after light	5.30936	4.34892	6.2698
4 h after dark	26.047633333333334	19.0348	29.9674
8 h after dark	16.318	15.6841	17.1583
12 h after dark	10.223903333333334	3.99151	14.0347