Table 3.

Poisson regression model parameter estimates.

Poisson regression model
Parameter	Estimate	Standard error	Parameter significance
Intercept	−7.1591	0.2065	(P < .0001)
Water vapour pressure	0.0740	0.0098	(P < .0001)
Weekend	0.1378	0.0642	P = 0.0319
Maximum temperature	0.2002	0.0115	(P < .0001)
April/May/June	0.8196	0.0595	(P < .0001)
Average wind speed	−0.0081	0.0092	P = .3785