condition mean min max 4 h after light 896.6260125 833.356194 959.895831 8 h after light 471.887976 323.461115 620.314837 12 h after light 345.7120885 249.404739 442.019438 4 h after dark 141.48603649999998 125.783037 157.189036 8 h after dark 153.154831 137.983417 168.326245 12 h after dark 712.342332 712.342332 712.342332