If you look at the raw data for Kew Gardens, that site can see spikes of 2 degrees or more from hour to hour, which isn't natural in origin. It happens because it's right next to a greenhouse that sometimes vents hot air.
This is exactly the kind of urban heat island problem that is so important to avoid.
If you look at the raw data for Kew Gardens, that site can see spikes of 2 degrees or more from hour to hour, which isn't natural in origin. It happens because it's right next to a greenhouse that sometimes vents hot air.
This is exactly the kind of urban heat island problem that is so important to avoid.