condition mean min max 4 h after light 2793.43 2474.436667 3204.76 8 h after light 2879.8655553333333 2751.653333 2959.173333 12 h after light 2625.9133333333334 2389.78 2814.6 1.5 h after dark 2232.975555666667 1917.13 2615.146667 5.5 h after dark 1808.1488889999998 1622.61 2081.16 9.5 h after dark 2397.762222 1863.803333 2895.113333