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

Table 4 Variables considered for the summer and winter periods

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

ISSN: 1476-072X