condition mean min max 3 h after light 64.3918 60.3115 72.0284 6 h after light 77.9569 74.1427 84.1243 9 h after light 85.948 62.8856 103.38 12 h after light 109.0313 81.8219 123.805 3 h after dark 177.40666666666667 159.027 202.079 6 h after dark 142.82633333333334 135.743 148.63 9 h after dark 116.7276 99.0238 129.905 12 h after dark 108.34263333333334 93.4087 135.996