condition	mean	min	max
4 h after light	8.45345	4.343	12.5639
8 h after light	12.9973	11.9014	14.0932
12 h after light	13.065000000000001	12.5114	13.6186
4 h after dark	22.302833333333332	20.7499	24.5303
8 h after dark	8.926803333333334	7.95699	9.44445
12 h after dark	8.64332	7.91213	9.81349