condition	mean	min	max
4 h after light	5.7902700000000005	5.64014	5.926480000000001
8 h after light	5.889633333333333	5.84386	5.948180000000001
12 h after light	5.777773333333333	5.69329	5.834219999999999
4 h after dark	5.90696	5.78033	6.13564
8 h after dark	5.807533333333334	5.52724	6.03341
12 h after dark	5.910303333333333	5.85046	6.0044699999999995