National Weather Service United States Department of Commerce

 Northeastern Plains
December-January-February Precipitation

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Stations we studied in the northeast and east central plains (Clayton, Tucumcari 4NE and Clovis) exhibit lower percent of average DJF precipitation (69%, 70% and 72% respectively) during La Niña winters than the value for the climate division in which they are located (79%).  The effect is greater during years with strong La Niñas, with all winters near or below average at both Tucumcari and Clovis and a significant overall reduction in winter precipitation.

A description of the graphs is located at the bottom of the page. 

winter precip for clayton during la nina events 
Percent of Longterm Average for all La Niña Events = 69%  , for strong La Niña Events = 56%  
 
winter precip for tucumcari during la nina events 
Percent of Longterm Average for all La Niña Events = 70%  , for strong La Niña Events = 55%  
 
winter precip for clovis during la nina events 
Percent of Longterm Average for all La Niña Events = 72%  , for strong La Niña Events = 60%  
 

Precipitation values for 3-month periods during 19 La Niña Events since 1949-50 are plotted with respect to the long term precipitation average, listed to the right of the graph.  The precipitation totals for each 3-month period are plotted above or below each bar.  Years for which the La Niña Event was considered to be strong are colored in purple. "M" represents a 3-month period with missing data. Finally, the percents of longterm normal for all La Niña events and for the strong La Niña events are listed below each graph.