condition mean min max 4 h after light 13.904119000000001 12.787083 15.021155 8 h after light 15.981962499999998 15.795134 16.168791 12 h after light 26.5184845 26.299787 26.737182 4 h after dark 18.772432000000002 18.419524 19.12534 8 h after dark 22.000585 19.745978 24.255192 12 h after dark 18.455436 18.455436 18.455436