condition mean min max 0 h after light 8.057365 7.05413 9.0606 2 h after light 6.3479849999999995 6.08424 6.61173 4 h after light 5.7574 4.77795 6.73685 8 h after light 4.8047450000000005 4.22095 5.38854 12 h after light 7.180125 6.44629 7.91396 2 h after dark 9.001475 8.77698 9.22597 4 h after dark 6.74536 6.60534 6.88538 8 h after dark 9.060175000000001 9.02396 9.09639 12 h after dark 8.556280000000001 7.78844 9.32412