condition mean min max 4 h after light 3.759402333333333 2.831387 4.812614 8 h after light 66.23652 34.36296 84.52944000000001 12 h after light 64.60858 33.52794 84.15184 16 h after light 39.69330333333333 29.09818 60.30675 4 h after dark 6.1756210000000005 3.8418370000000004 7.459102000000001 8 h after dark 2.044173333333333 1.496113 3.067771