Home > Climate Monitoring > BAMS State of the Climate > Climate Indicators - 2009

Climate Indicators - 2009

Choose a time series to plot:

NH (March-April) Snow Cover

Northern Hemisphere (March-April) Snow Cover
Click add to add dataset.

  • IPCC AR4 SPM add
  • Robinson and Frei add

Move the mouse towards the axis of interest until the axis is highlighted. Hold down the shift key and the left mouse button and move the mouse to zoom. Hold down the mouse button and move the mouse to pan.

Note: For each dataset, one value is plotted for each year in the period of record. For datasets with multiple values in one year, an average is calculated for one annual value. Missing annual values are interpolated between non-missing values.