condition mean min max 3 h after light 41.5654 30.8971 48.812 6 h after light 31.179333333333332 22.5769 36.2942 9 h after light 31.9281 28.3173 38.1047 12 h after light 38.443675 33.7093 45.0001 3 h after dark 41.4133 36.0979 44.7115 6 h after dark 33.8342 28.8482 37.5726 9 h after dark 29.382033333333336 27.7129 31.3164 12 h after dark 32.6949 29.5266 35.8632