Weather impacts expressed sentiment Patrick Baylis1, Nick Obradovich2,3 Yury Kryvasheyeu4,5 Haohui Chen6,7 Lorenzo Coviello8, Esteban Moro9, Manuel Cebrian10, James H. Fowler11 We conduct the largest ever investigation into the relationship between...
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Weather impacts expressed sentiment Patrick Baylis1, Nick Obradovich2,3 Yury Kryvasheyeu4,5 Haohui Chen6,7 Lorenzo Coviello8, Esteban Moro9, Manuel Cebrian10, James H. Fowler11 We conduct the largest ever investigation into the relationship between meteorological conditions and the sentiment of human expressions. To do this, we employ over three and a half billion social media posts from tens of millions of individuals from both Facebook and Twitter between 2009 and 2016. We find that cold temperatures, hot temperatures, precipitation, narrower daily temperature ranges, humidity, and cloud cover are all associated with worsened expressions of sentiment, even when excluding weather-related posts. We compare the magnitude of our estimates with the effect sizes associated with notable historical events occurring within our data. Introduction Mood and emotional state support human physical, psychological, and economic well-being. Positive emotions are associated with improved physiological
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