Second National Communications 36 In Albay, the number of leptospirosis cases tends to decline when the weather temperature increases. Correlation analysis shows that the number of leptospirosis cases is negatively associated with weather temperature (r = -.574, p <.05). Graph 5.Quarterly Trend of Leptospirosis Cases and Relative Humidity, Albay, 1998-2000 Relative Hum idity (%) Leptospirosis 92 20 90 15 88 86 10 84 82 5 80 78 0 Q11998 Q21998 Q31998 Q41998 Q11999 Q21999 Q31999 Q41999 Q12000 Q22000 Q32000 Q42000 Also, the number of leptospirosis cases tends to increase when the weather humidity decreases. Correlation analysis shows that the number of leptospirosis cases is negatively associated with weather humidity (r = -.574, p <.05). Table 5. Typhoid and climate parameters in Pilot sites Climate Change Paramaters Albay Bohol Surigao Sur r* p* r p r p Mean Temperature (°C) -.105 .568 -.083 .650 .035 .851 Relative Humidity (%) .273 .131 .228 .210 .008 .963 Rainfull (mm/day) .202 .266 -.007 .970 .130 .477 r* – Pearson correlation; p = level of significance