258 Weather of 1910 in Relation to Health. 



18.250, and the "expected " deaths were 83, or one more than 

 the actual number. Nine cases of diphtheria and scarlet fever 

 came under observation. 



May opened mildly, but immediately became dull and cold 

 for about eight days, when a period of fine, genial weather 

 succeeded. The last week was cold, dull, and rainy. The 

 mean barometric pressure was 29.562 inches, the mean tempera- 

 ture 50.5 degs. F. (a little above the average), the mean daily 

 range 17.7 degs. F., the humidity 80 per cent, the rainfall 2.64 

 inches. The average number of rainy days was 12, and there 

 was an excess of winds from between north-west and north-east. 

 The deaths were 77 in number, and the death-rate 16.397. 

 Circulatory diseases were again the principal contributors to this 

 rate, the number of fatalities being exactly the same as in 

 January. The rates from malignant diseases and phthisis were 

 very high, as were also those from other tubercular diseases and 

 from pneumonia. The average total death-rate of the month 

 during the previous decade was 16.244, and the "expected" 

 deaths were 76, or one le.ss than the actual number. There were 

 only five cases of scarlet fever and diphtheria. 



June was variable, and there were several rapid alternations 

 from heat to cold and cold to heat, along with a few thunder- 

 storms, but low rainfall. The mean barometric pressure was 

 29.566 inches, the mean temperature 56.2 degs. F., the mean 

 daily range 18 degs. F., the humidity 78 per cent., and average 

 rainfall 1.87 inches. The number of rainy days was 11, and 

 there was an excess of winds from between north and east. The 

 deaths were 73, and the rate per 1000, 16.065. The circulatory 

 disease death-rate was again high. So were the rates from 

 malignant disease, phthisis, and other tubercular diseases, but 

 those from pneumonia and respiratory causes were low. The 

 average total death-rate of the month was 14.057, and the 

 " expected " deaths were 64, or nine less than the actual number. 

 Among the infectious diseases scarlet fever began to increase, 

 but there was an absence of diphtheria. 



July was a month of unsettled and unseasonable weather, 

 with fluctuating barometer, low mean temperature, and high 

 rainfall. The mean barometric pressure was 2^.526 inches, 

 the mean temperature 55.6 degs. F., the mean daily range 16.6 

 degs. F., the humidity 81 per cent., and the average rainfall 



