condition mean min max 4 h after light 0.71617 0.70533 0.72701 8 h after light 1.3767800000000001 1.0557 1.69786 12 h after light 1.771895 1.76947 1.77432 4 h after dark 4.355056666666666 3.82428 5.38927 8 h after dark 3.6702833333333333 2.57586 4.48248 12 h after dark 2.5345 1.76948 3.77783