STATE AUKIi i l.n UAl. SOCIETY. 



219 



YEARLY AND SEASONAL RAINFALL, ETC. 



The instructive tabulated information below gives the rainfall annually — 

 that is, from January to December of each year — for thirty-three years. 

 Also, the rainfall by seasons, beginning with September first of one year 

 and ending with August thirty-first of the next year, the wettest season 

 being 1861-2 — 35.56 inches; the driest that of 1863-4 — 7.87 inches; the 

 wettest calendar year being 1880 — 31.99 inches: the driest being 1*77 — 

 8.44 inches; the mean average seasonal rainfall for thirty-two years being 

 19.076 inches; the mean average for the year, or the mean annual average, 

 being 19.52') inches. The difference between the mean average rainfall, 

 calculating from January first to December thirty-first of each year, and 

 from September first of one year to August thirty-first of next year, is .453 

 of an inch in favor of the calendar year: 



* Mean for thirty-three years, 

 f Mean for thirty-two seasons. 

 j Up to March 1, 1886. 



