condition mean min max 0 h after light 1.77896 1.6305 1.92742 4 h after light 0.7467360000000001 0.697769 0.795703 8 h after light 2.3609400000000003 1.85892 2.86296 4 h after dark 4.561095 2.27258 6.84961 8 h after dark 2.3929 2.2654 2.5204 12 h after dark 1.487265 1.09498 1.87955