served from IRI/LDEO Climate Data Library

*Time*- grid: /T (months since 1960-01-01) ordered (0000 1 Jan 1300) to (0000 1 Jan 2006) by 12.0 N= 707 pts :grid
*Longitude*- grid: /X (degree_east) ordered (61.25E) to (143.75E) by 2.5 N= 34 pts :grid
*Latitude*- grid: /Y (degree_north) ordered (7.5S) to (55N) by 2.5 N= 26 pts :grid

*datatype*- realarraytype
*file_missing_value*- -99.999001
*iridl:hasSemantics*- iridl:PalmerDroughtSeverityIndex
*missing_value*- NaN
*units*- months
*standard units**- 0.0833333333333333 year

Last updated: *Mon, 12 Sep 2016 21:11:48 GMT*

T | X | Y | |

$integral dT$ [ LDEO TRL MADA pdsi ][ T Y | X] | M | M | M |
---|

- Monthly Climatology calculates a monthly climatology by averaging over all years.
- anomalies calculates the difference between the (above) monthly climatology and the original data.
- Integrate along T Y X
- Differentiate along T Y X
- Take differences along T Y X

RMS (root mean square with mean *not* removed) over T Y X | T Y T X Y X | T Y X |

RMSA (root mean square with mean removed) over T Y X | T Y T X Y X | T Y X |

Maximum over T Y X | T Y T X Y X | T Y X |

Minimum over T Y X | T Y T X Y X | T Y X |

Detrend (best-fit-line) over T Y X | T Y T X Y X | T Y X |

Note on units