condition mean min max 4 h after light 303.641502 234.362163 372.920841 8 h after light 340.941952 306.805926 375.077978 12 h after light 360.318094 206.321642 514.314546 4 h after dark 313.8245885 290.016026 337.633151 8 h after dark 346.1280665 190.30898 501.947153 12 h after dark 261.172564 261.172564 261.172564