These daily values of the McArthur Forest Fire Danger Index (FFDI) for Australia are calculated from bias-corrected daily 20CRv3 data on maximum temperature, rainfall, relative humidity, and wind speed at a spatial resolution of 0.05 degrees by 0.05 degrees. Further details about the dataset are listed as follows: Spatial Resolution: 0.05° X 0.05° Temporal Resolution: Daily Date Range: 1st January 1836 to 31st December 2015 Source Data: 20th Century Version 3 Ensembles used: 3, 7, 11, 13, 43 Fill Value: -9999 Bias Correction method used on the daily climatic variables: Quantile-Quantile (QQ) matching using Monotone Piecewise Hermite Cubic Spline Interpolation technique used to resample 20CRv3 variables: Biliniear Areas masked with fill value: Ocean region outside Australia Outlier values below the lower limit Outlier values above the upper limit Datatype: float32 Variable Unit Lower Limit Upper Limit Filename Forest Fire Danger Index unitless 0 300 FFDI_{year}.nc Biswas S, Chand SS, Dowdy AJ, Wright W, Foale C, Zhao X, Deo A (2022) Statistical Calibration of Long-Term Reanalysis Data for Australian Fire Weather Conditions. Journal of Applied Meteorology and Climatology 61:729-758. https://doi.org/10.1175/jamc-d-21-0034.1.