Table 1 Mean values (standard error) of the variables recorded between February 23 to August 16, 2020 in relation to climates.
From: Environmental determinants of COVID-19 transmission across a wide climatic gradient in Chile
Desert (n = 650) | Semiarid (n = 350) | Mediterranean (n = 5925) | Marine South West (n = 1225) | Tundra (n = 500) | |
|---|---|---|---|---|---|
Altitude (m a.s.l.) | 1298 (1300.2) | 439 (336) | 285.2 (247.7) | 88.0 (92.5) | 139.2 (152.5) |
Population size (n° inhabitants) | 60,309.2 (104,458.6) | 57,790.3 (85,457.7) | 64,774.9 (94,591.6) | 29,500.1 (48,398.9) | 14,203 (32,593.9) |
Pop. density (inhabitants km−2) | 17.62 (45.21) | 29.55 (52.94) | 1482.2 (3779.1) | 29.0 (41.1) | 1.1 (2.4) |
Maximum temperature (°C) | 20.2 (4.4) | 19.6 (4.7) | 18.0 (6.0) | 14.2 (4.6) | 8.9 (5.8) |
Minimum temperature (°C) | 7.0 (8.3) | 8.9 (4.2) | 6.2 (3.4) | 5.7 (2.7) | 2.0 (4.4) |
Mean temperature (°C) | 13.6 (5.4) | 14.3 (4.0) | 12.1 (4.3) | 9.9 (3.3) | 5.5 (4.9) |
Relative humidity (%) | 53.2 (24.07) | 56.0 (20.7) | 71.9 (11.8) | 81.9 (6.9) | 77.6 (9.4) |
Accumulated precipitation (mm) | 0.4 (1.6) | 0.3 (1.1) | 2.6 (4.1) | 8.5 (12.8) | 2.4 (4.3) |
Atmospheric pressure (mbar) | 857.4 (150.1) | 890.5 (127.3) | 987.7 (40.6) | 1001 (21.8) | 994.5 (21.7) |
Solar radiation (Mj m−2) | 17.75 (4.8) | 14.1 (4.9) | 10.8 (5.9) | 7.9 (4.9) | 5.6 (3.7) |
Wind speed (km h−1) | 5.95 (3.55) | 6.7 (4.0) | 4.8 (3.1) | 5.5 (3.5) | 10.2 (8.1) |
MP2.5 (µg m−3) | 10.6 (3.9) | 11.6 (2.9) | 27.6 (17.5) | 42.8 (25.8) | 19.8 (17.9) |
MP10 (µg m−3) | 36.41 (12.3) | 34.3 (11.1) | 50.3 (23.2) | 49.3 (26.2) | N.D. |
Mean relative infection rate | 122.4 (273.5) | 37.8 (63.6) | 53.9 (85.5) | 13.6 (28.9) | 9.0 (35.7) |
