HadCRUT4 ---------------------------- Data are stored in ASCII All values are stored as temperature anomalies in degrees celsius Missing data are set to the value given in the header. (normally -1.0e-30) Grids are 5x5deg monthly The day (irrelevent here), month and year are stored at the start of each month. Data Array (72x36) Item (1,1) stores the value for the 5-deg-area centred at 177.5W and 87.5N Item (72,36) stores the value for the 5-deg-area centred at 177.5E and 87.5S ----- ------ ------------------------------------------- | | | | | | | MON | YR | ROWS | COLS | FIELD_TYPE/ENSEMBLE_MEMBER | |_____|_____|______|_______|_____________________________|______ 90N |(1,1) | | | | | | | | | |(1,18) | Equ | | |(1,19) | | | | | | | | | 90S |(1,36)__________________________________________________(72,36)| 180W 0 180E