<sod > As of Sept. 10, Calgary had recorded 321 hours of smoke, according to Campbell's data, surpassing the previous high of 268 hours set in 1969. With summer now in the record books, Proctor said Calgarians can now brace for winter, which because of a La Nina system developing in the equatorial Pacific will likely be warmer than normal start to the season, before going into the deep freeze.< eod>< sod >  Campbell's analysis found Calgary's average temperature over that period between late June and late September was 16.89 C, outpacing the previous record of 16.74 C set in 2012. With summer now in the record books, Proctor said Calgarians can now brace for winter, which because of a La Nina system developing in the equatorial Pacific will likely be warmer than normal start to the season, before going into the deep freeze.< eod>