Getting permission to download CRU TS4.01 data

Distribution of the CRU TS4.01 data set is handled by the British Atmospheric Data Centre (BADC). To access the TS4.01 data set from BADC directly, one must register as a data user at BADC (see

With the permission of BADC, we have established a mechanism to allow users to download TS4.01 data via the IRI Data Library. If you send an email to, we can then provide you with password access to the TS4.01 data set in the Data Library.