condition	mean	min	max
4 h after light	4.283335	4.24353	4.32314
8 h after light	4.426025	4.31235	4.5397
12 h after light	4.04581	3.72184	4.36978
4 h after dark	5.092295	5.04563	5.13896
8 h after dark	5.193705	4.87568	5.51173
12 h after dark	5.455195	5.27722	5.63317