condition mean min max 4 h after light 2382.1 2279.95 2484.25 8 h after light 2035.2450000000001 1968.94 2101.55 12 h after light 1585.415 1548.25 1622.58 4 h after dark 1830.27 1794.01 1877.71 8 h after dark 2137.2033333333334 2092.76 2167.34 12 h after dark 2553.98 2530.59 2568.1