condition mean min max 3 h after light 12.7479 11.591 14.6318 6 h after light 16.797866666666668 12.8573 21.3415 9 h after light 30.575200000000002 28.0102 35.3958 12 h after light 34.46715 10.6195 49.6009 3 h after dark 46.56616666666667 43.5467 52.1715 6 h after dark 31.212600000000002 28.1333 33.7822 9 h after dark 13.694766666666666 11.9393 16.5641 12 h after dark 6.91868 6.59114 7.24622