condition mean min max 0 h after light 4.30729 4.24182 4.37276 2 h after light 3.560575 3.12895 3.9922 4 h after light 3.090635 2.97831 3.20296 8 h after light 3.317455 2.72939 3.90552 12 h after light 4.65431 4.53658 4.77204 2 h after dark 4.270055 4.08776 4.45235 4 h after dark 3.392535 3.09436 3.69071 8 h after dark 4.47457 3.94549 5.00365 12 h after dark 4.400805 4.39039 4.41122