Compare Growing Degree Days (GDD)

Compare Year and

For stations

Element

Include 1971-2000 Normals

How to use this module? Here are some usage examples:
-- View GDD data for 2004: select 2004 in both drop-down boxes
-- Compare 2003 and normals: select 2003 in both drop-down boxes, check Normals
-- Compare 2003 and 2004: select 2003 in the first drop-down box, select 2004 in the second drop-down box
-- Compare 2003, 2004 and normals: select 2003 in the first drop-down box, select 2004 in the second drop-down box, and check Normals