condition mean min max 4 h after light 8.00426 7.4255 9.01798 8 h after light 1.8430553333333333 0.734226 2.76451 12 h after light 3.8228999999999997 2.40115 6.34209 4 h after dark 0.5119716666666667 0.21479 0.956867 8 h after dark 1.34449 1.00437 1.59305 12 h after dark 134.11963333333333 81.9129 178.128