condition	mean	min	max
0 h after light	9.06648	8.71189	9.42107
4 h after light	3.644265	2.85805	4.43048
8 h after light	4.18478	3.94337	4.42619
4 h after dark	5.88385	5.69396	6.07374
8 h after dark	6.09684	4.99616	7.19752
12 h after dark	6.45046	5.66368	7.23724