Polling station manager Teresa McCurdy arrives on Rathlin Island, off the north-east coast of Northern Ireland, on June 22, 2016, carrying a ballot box in which the island's population of around 100 people will cast their votes into during the EU referendum on June 23, 2016. The ballot box is usually taken to the island by ferry the day before voting occurs, because of the threat of bad weather. Rival sides threw their efforts into the final day of campaigning Wednesday, on the eve of Britain's vote on EU membership that will shape the future of Europe. / AFP PHOTO / PAUL FAITHPAUL FAITH/AFP/Getty Images

Polling station manager Teresa McCurdy is pictured carrying a ballot box as she boards a boat bound for Rathlin Island, off the north-east coast of Northern Ireland, on June 22, 2016, in which the island's population of around 100 people will cast their votes into during the EU referendum on June 23, 2016. The ballot box is usually taken to the island by ferry the day before voting occurs, because of the threat of bad weather. Rival sides threw their efforts into the final day of campaigning Wednesday, on the eve of Britain's vote on EU membership that will shape the future of Europe. / AFP PHOTO / PAUL FAITHPAUL FAITH/AFP/Getty Images

Polling station manager Teresa McCurdy is pictured carrying a ballot box as she boards a boat bound for Rathlin Island, off the north-east coast of Northern Ireland, on June 22, 2016, in which the island's population of around 100 people will cast their votes into during the EU referendum on June 23, 2016. The ballot box is usually taken to the island by ferry the day before voting occurs, because of the threat of bad weather. Rival sides threw their efforts into the final day of campaigning Wednesday, on the eve of Britain's vote on EU membership that will shape the future of Europe. / AFP PHOTO / PAUL FAITHPAUL FAITH/AFP/Getty Images

Polling station manager Teresa McCurdy (C) is pictured carrying a ballot box as she stands aboard a boat bound for Rathlin Island, off the north-east coast of Northern Ireland, on June 22, 2016, in which the island's population of around 100 people will cast their votes into during the EU referendum on June 23, 2016. The ballot box is usually taken to the island by ferry the day before voting occurs, because of the threat of bad weather. Rival sides threw their efforts into the final day of campaigning Wednesday, on the eve of Britain's vote on EU membership that will shape the future of Europe. / AFP PHOTO / PAUL FAITHPAUL FAITH/AFP/Getty Images

Stranded passengers discuss their flight options at the service counters at Shanghai Hongqiao airport on June 22, 2016. Some 229 flights were cancelled due to weather conditions on June 22, the official website of the airport wrote. / AFP PHOTO / JOHANNES EISELEJOHANNES EISELE/AFP/Getty Images

This June 20, 2016 NOAA satellite image shows Tropical Storm Danielle(L) over the East coast of Mexico. Tropical storm Danielle formed June 20, 2016 off the east coast of Mexico, US weather experts said. It was the fourth named storm of the season. "Tropical storm Danielle is the earliest fourth tropical storm on record in (the) Atlantic basin," the Miami-based National Hurricane Center said. / AFP PHOTO / NOAA / Handout / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / NOAA" - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS HANDOUT/AFP/Getty Images

This June 20, 2016 NOAA satellite image shows Tropical Storm Danielle(L) over the East coast of Mexico. Tropical storm Danielle formed June 20, 2016 off the east coast of Mexico, US weather experts said. It was the fourth named storm of the season. "Tropical storm Danielle is the earliest fourth tropical storm on record in (the) Atlantic basin," the Miami-based National Hurricane Center said. / AFP PHOTO / NOAA / Handout / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / NOAA" - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS HANDOUT/AFP/Getty Images

LONDON, ENGLAND - JUNE 20: Tourists carrying umbrellas take pictures on Westminster Bridge on June 20, 2016 in London, England. The first day of British Summer is marked by rainy weather in London today with more showers forecast for much of the week ahead. (Photo by Jack Taylor/Getty Images)