322 TRANSACTIONS, NATURAL HISTORY SOCIETY OF GLASGOW. 



The range of the barometer during the month was wide and 

 erratic. From 29*90 inches on the 1st it fell to 29*30 inches 

 on the 2nd, rising to 30*10 inches on the 4th; from that date 

 until the 23rd the pressure was steadier, but low. On the 24th 

 the barometer fell sharply to 28*25 inches, which is the lowest 

 reading of the year. 



The month's rainfall is the largest monthly total of the year, 

 and measured 4*50 inches, which includes a considerable quantity 

 of melted snow. There were 14 dry days. 



Frost was registered on 16 mornings, and amounted to 76°, 

 the greatest amount of frost being recorded on the 12th and the 

 22nd, which had each 11°. For December of 1900 no frost was 

 recorded at Queen's Park. The average maximum temperature 

 was 40° and the average minimum 33° ; these figures for the 

 previous December were 47° and 40° respectively. 



In comparing the total rainfall of 1901, which amounted to 

 34*65 inches, with that of previous years, it will be seen that 

 it is the lowest record since 1896, when the year's total was 

 33*90 inches, and that it is below the average for the last twelve 

 years, which average is 37*12 inches. In marked contrast, too, 

 is the rainfall of this year as compared with that of the previous 

 year, which was the highest for a number of years, and measured 

 46*46 inches. The number of dry days during 1901 is 201, 

 while for 1900 this total is 164, and the highest for the last 

 twelve years is 212, in 1898. Another point of note is that for 

 the last three months of 1901 the rainfall measured 11*66 inches, 

 while for the same period of 1900 the rainfall totalled 18*96 

 inches. 



The heaviest rainfall for one day in 1901 was 1*15 inches, on 

 the 3rd of April, and in 1900 the wettest day was 1*42 inches, 

 on the 25th June. The greatest total for one month was that 

 of December, with 4*50 inches, and in 1900 the greatest monthly 

 total was also in December, with 7*71 inches. 



The driest month of 1901 was February, with a rainfall of 1*40 

 inches. For 1900 the driest month was March, when the rain 

 measured only 0*28 of an inch. 



