condition mean min max 3 h after light 69.33033333333333 59.1609 81.6484 6 h after light 80.01863333333333 71.2559 88.5748 9 h after light 89.70273333333334 85.3593 91.9294 12 h after light 62.2539 31.7881 76.0615 3 h after dark 46.19886666666667 42.3236 50.9101 6 h after dark 32.0867 31.3898 32.4957 9 h after dark 15.7707 14.0416 17.2182 12 h after dark 17.7455 14.7053 20.7857