condition mean min max 4 h after light 348.28189 326.325907 370.237873 8 h after light 332.226675 289.452062 375.001288 12 h after light 426.04939 381.598393 470.500387 4 h after dark 273.43096149999997 237.371195 309.490728 8 h after dark 274.932819 255.321711 294.543927 12 h after dark 571.705219 571.705219 571.705219