Meteorological Tables and Climatology of Vermont
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Excerpt from Meteorological Tables and Climatology of Vermont: With Map Showing Rainfall, Also, Suggestions and Directions About Foretelling Storms
Diagram 1 shows the ¿uctuations in the annual rainfall in the Atlan tic States, - Maine to Maryland, - from 1805 to 1867. It will be no ticed that there are groups of years of unusual amount of rain, fol lowed by years of drouth, showing that one follows the other with something like regularity. As a whole it seems the amount of rain fall is increasing. The figures at the left are the percentage of the mean amount.
Diagram°2 shows the ¿uctuations in the annual rainfall at Lunen burgh, and also shows the same groups of years. It is never certain that a large amount of rainfall precludes the possibility of droughts, as it may not be well distributed through the year. The' year 1871 was remarkable for its dry summer, yet the amount of rainfall is above the average.
Diagram 3 shows the ¿uctuations in the annual snowfall at same place. The difference is much greater than the difference in rainfall. The greatest amount, inches, is more than twice as much as the mean, which is inches, and the least amount is less than half the mean. Being only forty-one inches. Still the grouping of winters is observable as in rainfall, yet shows no time where there was over three consecutive years above the mean amount.
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