condition	mean	min	max
4 h after light	7.31299	7.14336	7.54608
8 h after light	7.23076	6.88461	7.69578
12 h after light	6.93152	6.5689	7.35238
4 h after dark	7.340083333333333	6.939	7.6075
8 h after dark	7.278063333333334	7.14726	7.394410000000001
12 h after dark	7.469493333333333	7.25197	7.77628