Table 5: Instantaneous causality tests.

Cause variableNull hypothesisChi-squared-valuep-valueDecision

RHNo instantaneous causality between RH and Malaria20.8720.0001119Reject the null hypothesis
RainNo instantaneous causality between Rain and Malaria20.3740.000142Reject the null hypothesis
TmaxNo instantaneous causality between Tmax and Malaria21.7957.198e-05Reject the null hypothesis