condition mean min max 4 h after light 2383.2 2383.2 2383.2 8 h after light 2183.6000000000004 1746.9 2620.3 12 h after light 2684.2 2004.5 3363.9 4 h after dark 2640.2 2466.3 2814.1 8 h after dark 2283.6499999999996 2268.2 2299.1 12 h after dark 2003.55 1888.1 2119.0