MADAv2_1.0_PM_scPDSI_2012_XY.txt -- 2732 Lat-Lon coordinates corresponding to column recons
MADAv2_PDSI_Act_JJA_Anom.txt -- actual data used for calibration and validation
MADAv2_Recons_1200.txt -- recons, 1200-2012, missing -99.999, columns match lat-lon list