condition	mean	min	max
4 h after light	12.03851	12.002310000000001	12.08896
8 h after light	12.14436	12.05761	12.21434
12 h after light	12.090293333333333	11.99605	12.215760000000001
4 h after dark	12.143893333333333	12.0758	12.18041
8 h after dark	12.102373333333333	11.964160000000001	12.205039999999999
12 h after dark	12.066536666666668	12.02893	12.13756