condition mean min max 3 h after light 57.338 47.0318 68.1388 6 h after light 50.4536 31.2881 75.1455 9 h after light 34.5199 26.2247 43.3158 12 h after light 42.0637 27.9798 49.0027 3 h after dark 69.94673333333333 60.6255 84.4113 6 h after dark 93.009 74.2268 109.978 9 h after dark 104.62483333333334 79.8585 130.257 12 h after dark 43.71865 41.8188 45.6185