$partialdiff sub S$ detrended-bfl [ Hydromet Seasonal_Forecast Precipitation target_date ]
S | grid: /S (months since 1960-01-01) ordered (Apr 2019) to (Jul 2021) by 1.0 N= 28 pts :grid |
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Forecast Lead Time in Months | grid: /L (months) ordered [ (2.5)] :grid |