condition mean min max 4 h after light 170.2587935 158.847441 181.670146 8 h after light 182.450987 155.675482 209.226492 12 h after light 151.8151695 136.007675 167.622664 4 h after dark 151.168661 145.245747 157.091575 8 h after dark 141.30581949999998 121.470552 161.141087 12 h after dark 144.701733 144.701733 144.701733