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Number of heatwave days and mean temperature during heatwave and non-heatwave days during summer months (June–August) in the Helsinki metropolitan area, Finland, 2001–2017.
| Number of Heatwave Days | Average Temperature During Heatwaves [°C] |
Average Temperature During Control Days [°C] |
|
|---|---|---|---|
| 90th percentile | |||
| All heatwaves | 113 | 22.8 | 16.3 |
| Short heatwaves | 62 | 22.6 | 16.3 |
| Long heatwaves | 51 | 23.1 | 16.3 |
| 95th percentile | |||
| All Heatwaves | 60 | 23.9 | 16.6 |
