condition	mean	min	max
3 h after light	8.14202	7.64882	8.54409
6 h after light	6.784136666666667	6.73618	6.8517
9 h after light	8.040533333333332	7.10197	8.81631
12 h after light	12.050895	9.00738	15.4078
3 h after dark	17.6693	16.3958	19.8152
6 h after dark	19.0423	15.525	22.0218
9 h after dark	19.086733333333335	17.5585	21.8118
12 h after dark	11.318249999999999	10.6138	12.0227