condition mean min max 4 h after light 254.54599050000002 247.137437 261.954544 8 h after light 275.0239695 264.50819 285.539749 12 h after light 311.6795885 276.55409 346.805087 4 h after dark 305.20734849999997 272.690115 337.724582 8 h after dark 291.997443 244.993671 339.001215 12 h after dark 229.424258 229.424258 229.424258