condition mean min max 4 h after light 179.946628 165.281313 194.611943 8 h after light 188.0012875 168.616672 207.385903 12 h after light 168.43638249999998 168.256093 168.616672 4 h after dark 162.72284 127.382849 198.062831 8 h after dark 149.99135 148.313257 151.669443 12 h after dark 168.616672 168.616672 168.616672