condition mean min max 4 h after light 2893.509 2816.89 2967.255 8 h after light 3707.0896666666667 3208.114 4161.373 12 h after light 2244.8763333333336 1778.99 2683.0170000000003 16 h after light 3647.964 3316.27 4221.488 4 h after dark 2853.474 2761.542 2969.07 8 h after dark 2561.7096666666666 1781.739 3122.75