condition mean min max 0 h after light 401.919 399.134 404.704 4 h after light 249.8635 244.283 255.444 8 h after light 115.9925 114.398 117.587 4 h after dark 18.189899999999998 12.53 23.8498 8 h after dark 132.0685 129.63 134.507 12 h after dark 326.1975 265.846 386.549