Skip to main content

Table 2 Meteorological descriptive data, 2007-2012

From: Impacts of extreme heat on emergency medical service calls in King County, Washington, 2007–2012: relative risk and time series analyses of basic and advanced life support

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 %)