condition	mean	min	max
4 h after light	4.25076	4.15196	4.34956
8 h after light	11.143	10.3467	11.9393
12 h after light	7.839865	6.98115	8.69858
4 h after dark	4.495163333333333	4.25988	4.66235
8 h after dark	3.37678	2.97291	3.64605
12 h after dark	4.447103333333334	3.86134	4.77857