condition mean min max 4 h after light 251.3596925 238.340352 264.379033 8 h after light 298.20509000000004 294.485816 301.924364 12 h after light 357.408341 312.544104 402.272578 4 h after dark 555.0250595 424.733597 685.316522 8 h after dark 640.374927 572.310448 708.439406 12 h after dark 487.539749 487.539749 487.539749