Historical Climatology Network * 1895-present period of record * 1,218 stations Climate indices * Tmean anomalies, 1-12-month time scales * T percentiles, 1-12-month time scales mean * Prep anomalies, 1-12-month time scales * Prep percentiles, 1-12-month time scales
Drough indices * Standardized precipitation index (SPI), 1-12, 15-, 18-, 24-, 30-, 36-, 48-, 60-, and 72-month time scales * Stardardized precipitation evapotranspiration index (SPEI), 1-12, 15-, 18-, 24-, 30-, 36-, 48-, 60-, and 72-month time scales * Palmer drought severity index (PDSI) * Self-calibrated palmer drought severity index (sc-PDSI) * Palmer Z-index Spatial Time mapping series Gridded data Yes Yes Station data No Yes Climate indices Yes Yes
Drough indices
Furthermore, the high water requirements of these fast growing biofuel species frequently makes them vulnerable to
drough t, thus constraining their potential cultivation in the provision of fuel-wood (Thomas, 2008; Orikiriza et al., 2009; Agaba et al., 2010).