condition	mean	min	max
4 h after light	15.600213	14.331179	16.869247
8 h after light	10.8857595	9.921506	11.850013
12 h after light	11.532129000000001	10.409496	12.654762
4 h after dark	11.919917	11.177392	12.662442
8 h after dark	9.9259725	8.408249	11.443696
12 h after dark	22.571371	22.571371	22.571371