Meteorological data, May-September | Average county-wide maximum humidex (°C (°F)) | Average county-wide maximum dry bulb temperature (°C (°F)) |
Minimum | 5.9 (42.6) | 7.1 (44.8) |
Median | 21.6 (70.9) | 19.1 (66.4) |
Maximum | 44.7(112.5) | 34.6 (94.3) |
Meteorological data, full year | Average county-wide maximum humidex (°C (°F)) | Heat days ≥ threshold (n (% of total days in study timeframe)) |
50th percentile | 11.6 (52.8) | 860 (93.7 %) |
90th percentile | 26.3 (79.3) | 221 (24.1 %) |
95th percentile | 29.7 (85.5) | 110 (12.0 %) |
99th percentile | 36.7 (98.1) | 23 (2.51 %) |
ALS optimum alert threshold | 39.7 (103.5) | 8 (0.87 %) |
BLS optimum alert threshold | 40.7 (105.3) | 5 (0.54 %) |