Analysis Date Information

The monthly Analysis Date format is yyyymm for the end-of-month update,
and yymm"mm" for the mid-month update. Here, yy os the 2-digit year indicator.
The latest analysis date is selected upon loading the page. The drop-down list
provides the previous two analysis dates. When one of these is selected, the web
page displays the Analysis Field of the Weather Variable selected on the other
two drop down lists.