Second National Communications 35 Leptospirosis is negatively associated with weather temperature and humidity in Albay. The number of cases of leptospirosis is high when the weather temperature and humidity are low. No significant association found in Bohol and Surigao del Norte. Table 4. Leptospirosis and climate parameters in Pilot sites Climate Change Paramaters Albay Bohol Surigao del Norte r* p* r p r p Mean Temperature (°C) -.621 .031 -.350 .264 .210 .513 Relative Humidity (%) -.574 .051 .243 .448 -.262 .411 Rainfall (mm/day) -.466 .127 .529 .077 .026 .936 r* – pearson correlation; p = level of significance Graph 4.Quarterly Trend of Leptospirosis Cases and Weather Temperature, Albay, 1998-2000 30 Mean Tem perature Leptospirosis 20 29 28 15 27 26 25 10 24 23 5 22 21 20 0 Q1-1998 Q2-1998 Q3-1998 Q4-1998 Q1-1999 Q2-1999 Q3-1999 Q4-1999 Q1-2000 Q2-2000 Q3-2000 Q4-2000