condition	mean	min	max
4 h after light	10.01787	9.32454	10.7112
8 h after light	7.335645	6.81148	7.85981
12 h after light	11.47335	11.3011	11.6456
4 h after dark	16.348266666666667	15.298	17.3194
8 h after dark	16.048933333333334	15.6933	16.6371
12 h after dark	11.31462	9.13026	13.5357