Table 2.
Temp, hum: mean country temperature and humidity during the 2 weeks preceding its COVID-19 surge date.
| Country | School opening | Temp (°C) | Hum (%) | PWC lat (deg) | Surge start | Day | Solar UV (%) | β/α | |
|---|---|---|---|---|---|---|---|---|---|
| Greece |
|
23 | 52 | 38.7 | Oct 21 | 295 | 37 | 1.21 | |
| Portugal |
|
Sept 14 | 18 | 79 | 39.7 | Oct 10 | 284 | 41 | 1.06 |
| Spain |
|
18 | 47 | 39.8 | Oct 14 | 289 | 39 | 1.37 | |
| Bulgaria |
|
Sept 14 | 22 | 55 | 42.8 | Oct 06 | 281 | 39 | 1.16 |
| Italy |
|
Sept 14 | 20 | 70 | 42.9 | Oct 06 | 281 | 39 | 1.02 |
| Serbia |
|
Sept 01 | 15 | 72 | 43.8 | Oct 18 | 293 | 32 | 1.13 |
| Croatia |
|
Sept 01 | 17 | 68 | 45.3 | Oct 10 | 284 | 34 | 1.06 |
| Slovenia |
|
Sept 01 | 13 | 83 | 46.2 | Oct 12 | 286 | 32 | 1.17 |
| Switzerland |
|
Aug 17 | 14 | 78 | 47.0 | Oct 04 | 279 | 34 | 1.25 |
| France |
|
Sept 01 | 14 | 80 | 47.2 | Oct 11 | 286 | 31 | 1.09 |
| Austria |
|
Sept 08 | 13 | 71 | 47.8 | Oct 16 | 290 | 28 | 1.10 |
| Belgium |
|
Sept 01 | 21 | 53 | 50.8 | Sept 25 | 270 | 34 | 1.02 |
| Germany |
|
Aug 14 | 14 | 73 | 50.9 | Oct 06 | 281 | 29 | 1.15 |
| Netherland |
|
Sept 01 | 18 | 66 | 52.1 | Sept 26 | 271 | 32 | 1.08 |
| UK |
|
Sept 01 | 18 | 67 | 52.8 | Sept 19 | 263 | 35 | 1.14 |
| Russia |
|
18 | 59 | 54.3 | Sept 13 | 258 | 37 | 1.06 | |
| Sweden |
|
Sept 01 | 15 | 72 | 59.0 | Sept 13 | 258 | 30 | |
| Finland |
|
Aug 14 | 15 | 73 | 61.8 | Sept 10 | 254 | 27 | 1.11 |
PWC lat latitude of the country PWC, Sun UV theoretical sun UV daily dose at the surge date, expressed as a fraction at the PWC latitude versus the latitude 0°.