The following materials provide weather-related data that may helpful to demand response participants. 

THI Values by Weather Station (XLS)
This spreadsheet provides historical THI values for various weather stations in PJM Mid-Atlantic Region and PJM Western Region from March 1, 2001, to Jan. 31, 2003. 


Alternative Weather Sensitivity Adjustment Calculations (Simplified Methodology and Symmetric Additive Adjustment) are available in Section 10 of Manual 11.