25(3 



THE CANADIAN NATURALIST. 



[Vol 



X. 



day was Jaiiuar}^ 15th, the mean temperature being 8.57*^ below 

 zero ; highest barometer reading was 30.86G inches on 6th of 

 February ; lowest barometer reading was 29.047 inches, on 30th of 

 December, giving a range for the year of 1.819 inches; the lowest 

 relative humidity was 22 on April Kith; greatest mileage of 

 wind recorded in one hour was 36, on January 14th; greatest 

 velocity was at the rate of 48 miles per hour, on May 16tli. 



Notes. — The sleio-hino: of the winter 1880-81 closed on the 

 21st of April. There was not sufficient snow at any time during 

 the remainder of the year to form uood sleis-hinir. The first snow 

 for the autumn fell on October 5th, but was not appreciable. The 

 first snow fall of more than one-tenth inch was on November 12th. 

 The winter ice-roads were declared impassable on April 9th. The 

 first ice shove occurred on April 10th. The first arrival in port was 

 on April 19th. Auroras were observed on 29 nights. Lunar 

 coronas were observed six niohts, and lunar halos on 29 niijhts. 

 Solar lialos on 4 days, and coronas on 2 days. 



Rain and Snow Fall during 1881. 



Month. 



January. 

 February 



March 



April .... 

 May. 



June 



July 



August 



September. 

 October .. . . 

 November. 

 December. 



Totals I 22.82 



Means for seven yeara 

 ending with 1881- . . 



1 



5 

 8 

 7 

 21 

 12 

 18 

 10 

 11 

 19 

 14 

 12 



138 



26.5 

 7.3 



39.1 

 0.4 

 0.0 

 0.0 

 0.0 

 0.0 

 0.0 

 0.1 



11.8 

 4.4 



89.0 



27.05 I 137.(5 114.1 



18 



11 



21 



8 























5 



13 



12 



88 



85.6 





— o 



w > 



2.70 

 2.76 

 4.39 

 0.48 

 3.2.5 

 .39 

 .31 

 2.08 

 1.93 

 3.81 

 2.19 

 3.63 



1. 

 3. 



51.92 



38.51 



« — 

 ^ c 



• eg 



o - 



1 



3 

 5 

 2 

 

 

 

 

 

 3 

 4 

 4 



22 



17.1 



C3 

 • •-^ 



'= O 



5? a 



>i a. 



-OS 



'o.S 



. c: 



18 

 13 

 24 

 ]3 

 21 

 12 

 18 

 10 

 11 

 21 

 23 

 20 



204 



206 



Published 27th June. 1882. 



