condition mean min max 3 h after light 47.5884 46.8591 48.2199 6 h after light 55.3757 43.3586 67.361 9 h after light 72.88253333333333 68.6704 75.344 12 h after light 76.654075 67.8098 82.1905 3 h after dark 65.2334 61.6963 71.9369 6 h after dark 62.3299 60.8151 63.2852 9 h after dark 52.51446666666667 48.6469 55.9224 12 h after dark 51.9834 46.6402 57.3266