condition mean min max 4 h after light 2234.1713333333337 2174.202 2298.146 8 h after light 2644.193 2006.454 3143.0240000000003 12 h after light 1614.135 1364.4779999999998 2037.4470000000001 16 h after light 2789.7863333333335 2333.14 3586.487 4 h after dark 2299.7096666666666 2217.799 2426.844 8 h after dark 1848.189 1425.596 2096.3160000000003