Skip to main content

Table 4 Variables considered for the summer and winter periods

From: Effects of climate on West Nile Virus transmission risk used for public health decision-making in Quebec

Variable Definition Unit Scale
Tmax max Maximum of daily maximum temperatures for the period of April 1st to October 31st °C Year
Tmin max Maximum of daily minimum temperatures for the period of April 1st to October 31st °C Year
Tave max Maximum of daily mean temperatures for the period of April 1st to October 31st °C Year
Tave min Minimum of daily mean temperature for the period of November 1st to March 31st °C Year
Ptot Cumulated total precipitations for the period of April 1st to October 31st mm Year
DD18 Cumulated degree-days at threshold of 18°C for the period of April 1st to October 31st °C Year
DD20 Cumulated degree-days at threshold of 20°C for the period of April 1st to October 31st °C Year
DD25 Cumulated degree-days at threshold of 25°C for the period of April 1st to October 31st °C Year
DD-5 Cumulated degree-days at threshold of -5°C for the period of November 1st to March 31st °C Year