By David Wetzel New York (Knewz) — June was the sixth-hottest month on record, according to the National Oceanic and Atmospheric Administration. The year so far is also the sixth hottest on records, the agency reported. Also, global sea ice reached near record lows last month as Antartica saw its lowest June ice coverage on record. In June was the sixth-hottest month on record as its average global surface temperature was 1.57 degrees above the 20th-century average of 59.9 degrees. The NOAA has been keeping heat records for 143 years. June was the 46th consecutive such month and 450th consecut…