condition	mean	min	max
4 h after light	5.8083	5.69386	5.885669999999999
8 h after light	6.2688	5.94471	6.45938
12 h after light	6.3537333333333335	6.12362	6.65769
4 h after dark	6.165993333333334	5.83363	6.4921
8 h after dark	5.61892	5.2287	5.84406
12 h after dark	5.371713333333333	5.35245	5.3952599999999995