condition	mean	min	max
0 h after light	9.795525000000001	9.29935	10.2917
4 h after light	9.634475	9.16865	10.1003
8 h after light	15.20965	13.9444	16.4749
4 h after dark	19.77375	18.3385	21.209
8 h after dark	14.9601	12.3743	17.5459
12 h after dark	12.202449999999999	11.7213	12.6836