RAINFALL AT CLIFTON IN 10/7. 



RAINFALL OF SIX YEARS. 



H7 



It will be observed that the average annual rainfall of the last 

 six years has been over ;^C) inches, and the average annual excess 

 during this period, nearly 5! inches. These results are note- 

 worthy, both as showing how little dependence can be placed upon 

 short averages, and also as pointing to the probability of deficient 

 rainfall in coming years. It may further be remarked, that the 

 excessive rainfall of recent years is singularly at variance with the 

 theory now so popular among meteorologists, according to which 

 years of many sun-spots are years of much rain, and years of few 

 sun-spots are years of little rain. 



The wettest month in 1877 was November, with nearly six 

 inches J the driest was June, with something over an inch. 



The heaviest diurnal fall, 0.934 inch, occurred on the 24th of 

 November. 



The number of days per month on which rain fell to the amount 

 of a hundredth of an inch or more, ranged from seven in 

 September to twenty-seven in January. On the whole year rain 

 fell, on an average, somewhat oftener than every second day. 



There was no measurable depth of snow throughout the 

 year. 



The column in the first table, which gives the average rainfall 

 of each month and of the year, may claim to have something 



