From: Heat/mortality sensitivities in Los Angeles during winter: a unique phenomenon in the United States
Air mass | Air mass frequency (%) | Average maximum temperature (°C) | Average minimum temperature (°C) | Average daily temperature (°C) |
---|---|---|---|---|
Dry Moderate | 33.0 | 19.3 (3.1) | 5.5 (2.0) | 12.4 (2.2) |
Dry Polar | 1.9 | 14.8 (3.0) | 3.5 (2.8) | 9.2 (2.3) |
Dry Tropical | 19.1 | 25.7 (2.8) | 9.2 (2.8) | 17.4 (2.3) |
Moist Moderate | 13.8 | 16.8 (2.4) | 9.9 (2.0) | 13.3 (1.7) |
Moist Polar | 5.6 | 14.5 (2.4) | 7.1 (2.1) | 10.8 (1.8) |
Moist Tropical | 8.9 | 21.2 (2.5) | 10.1 (1.9) | 15.7 (1.6) |
Transition | 10.4 | 20.0 (4.6) | 7.2 (3.3) | 13.6 (3.3) |
Moist Tropical Plus | 1.8 | 24.2 (3.0) | 11.8 (1.8) | 18.0 (1.6) |
Missing | 5.5 | n/a | n/a | n/a |
Total | 100 | 20.2 (4.5) | 7.7 (3.2) | 14.0 (3.1) |