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Challenge Question #4Jeanne Monteau (jmonteau@albany.net)Sun, 22 Mar 1998 13:27:08 -0500
interesting to see the various strategies used and conclusions reached. Clare and her Dad made a graph showing the number of days between January 1 and 'ice-out' for each year and noted the the strong and very strong El Nino years.
1. Based on the moving average, they conclude that ice-out will occur on
2. Some El Nino years had late ice-out days and some had early ice-out
3. From 1948 to 1984, the average ice-out date was greater that the
4. The graph does not show a clear indication of global warming.
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