vonnie: narayana kocherlakota, former president of the minneapolis fed. charge coming up, -- charts coming up, this is bloomberg. ♪ erg. ♪ time for the global battle of the charts where we look at the most telling and compelling charts of the day and what they mean for investors. access them on the bloomberg by running the feature on the bottom of your screen. >> happy new year. the u.s. economy is red-hot but it might catch a chill from the snow currently in the u.s. i looked at the temperatures in and i overlay it with the city economic index for the u.s. and i noticed something curious, currently at a peak for the economics of price indexes and the last time we saw that when the temperature dipped, we saw the peak moved straight out in the next few months in 2017, 2015, 2014, the only time it did not happen was in 2016 what a surprise index was are ready down from its recent peak. that is serious between the weather usually affects businesses and bad for retailers and supply chain. negative for business overall and right now at a peak for the u.s. econ

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