condition mean min max 4 h after light 4.202245 4.12674 4.27775 8 h after light 3.733685 3.53674 3.93063 12 h after light 3.791075 3.69448 3.88767 4 h after dark 3.8632566666666666 3.28541 4.28371 8 h after dark 4.93403 4.57673 5.26239 12 h after dark 4.46529 3.64717 5.02348