GLDAS datasets are available from the NASA GES DISC

The new Hydrology DISC portal enables Mirador and Giovanni access to 3-hourly and monthly GLDAS datasetsGiovanni is an online application developed by the GES DISC that allows researchers to rapidly explore data, so that spatial-temporal variability, anomalous conditions, and patterns of interest can be directly and easily analyzed online before optionally downloading the data. Supported download formats include HDF, NetCDF, GeoTIFF, ASCII, and KMZ.