condition	mean	min	max
4 h after light	9.065395	7.75439	10.3764
8 h after light	9.4741	9.00312	9.94508
12 h after light	12.73305	12.5646	12.9015
4 h after dark	15.37335	14.1099	16.6368
8 h after dark	10.648499999999999	10.3912	10.9058
12 h after dark	14.59035	14.4708	14.7099