Tracking climate change? Use the daily highs - Above, examples from Las Vegas illustrate the issue, but aren’t part of the original paper. Source: NWS WSFO, Las Vegas. NV. HUNTSVILLE, Ala. (April 29, 20...
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Melbourne recorded its equal warmest overnight temperature, 30.6 degrees, on January 12. The previous time the city was that hot overnight was February 1, 1902.
A meteorologist at the bureau, Harvey Stern, said that Melbourne suffered from a heat island effect, in which a city is warmer than the surrounding countryside.
This was the case especially at night, because of heat stored in bricks and concrete and trapped between close-packed buildings.