From: Attribution of mortality to the urban heat island during heatwaves in the West Midlands, UK
 | Whole period | Night time only |
---|---|---|
Geographical mean temperature (T g ) | 19.9 °C | 17.7 °C |
Population weighted mean temperature (T pw ) | 20.7 °C | 18.6 °C |
Difference (T pw –T g ) | 0.8 °C | 0.9 °C |