condition mean min max 4 h after light 198.957839 61.991314 335.924364 8 h after light 283.525237 278.035022 289.015452 12 h after light 255.9794705 61.991314 449.967627 4 h after dark 43.676319 13.748245 73.604393 8 h after dark 15.7979775 11.21417 20.381785 12 h after dark 17.186999 17.186999 17.186999