condition	mean	min	max
4 h after light	5.66372	5.56199	5.84066
8 h after light	5.536483333333334	5.49407	5.6033800000000005
12 h after light	5.42495	5.34775	5.48304
4 h after dark	5.621903333333334	5.586130000000001	5.66879
8 h after dark	5.58728	5.34475	5.7163699999999995
12 h after dark	5.51963	5.4372300000000005	5.56166