434 
THE MEDITERRANEAN NATURALIST 
Metereological Report. 
Lat. 35° 55 ' N. Long. 14 29 ' E. 
Barometer Headings reduced to 32° F. at sea level. 
ST. IGNATIUS’ COLLEGE 
MALTA. 
1893. 
Results of observations taken during the months of 
August 
Average 
1 0 vears 
1 
Septem. 
Average 
10 years 
Mean Reading of Barometer 
inches 
30*023 
30*010 
30*044 
30.064 
Highest „ 5 , on the 13th ... ... 
30*136 
30*156 
j 30*243 
30*246 
Lowest „ ,, on the 31st 
29 775 
29*863 
29*869 
29*849 
Range of Barometer Readings 
0*361 
0 293 
[ 0*374 
0*397 
Highest Reading of Max: Therm: on the 18th ... 
95 T' 
97*0° 
98*8° 
92*2° 
Lowest Reading of Min: Therm: on the 22nd ... 
66*2° 
66*2° ! 
66*5° 
62*9° 
Range of Thermometer Readings 
28*9° 
30*8° 
32*3° 
29 3° 
Greatest Range in 24 hours on the 22nd ... 
23*6° 
26*2° 
22*2° 
23*0° 
Mean of all the highest Readings 
86*9° 
87*3° 
87*8° 
82*6° 
Mean of all the lowest Readings ... 
70*1° 
71*1° I 
72*3" 
68*5° 
Mean Daily Range ... 
16*8" 
16*2° 
Jo 5 
14*1° 
Mean Temperature (deduced from Max: and Min.) 
►77,17° 
/ 1 1 
78*4° 
79*1° 
74*7° 
Mean Temperature (deduced from Dry Bulb.) ... 
rri-r 
i i 7 
78*4° i 
77*6° 
74*5° 
Adopted Mean Temperature 
A i 0 
78*4° 
! 78*4° 
74*6° 
Mean Temperature of Evaporation 
71*8 
71*4° 
71*7° 
68*9° 
Mean Temperature of Dew point 
67 5° 
667° 
67*5° 
64*8° 
Mean Elastic force of Vapour ... 
inches 
0*673 
0 653 
0*673 
0*615 
Mean Weight of Vapour in a cubic foot of air ... 
grains 
7.2 
70 
7*1 
6*7 
Miean additional weight required for saturation... 
3.0 
3*5 
3*3 
2*6 
Mean degree of Humidity ... 
71 
67 
68 
72 
Mean Weight of a cubic foot of air 
grains 
512*5 
512*2 
570*2 
517*3 
Fall of Rain ... 
inches 
0*030 
— 
T 3 / 0 
Number of days on which Rain fell 
1 
— ~ 
1 
Mean amount of Cloud (an overcast sky = 10) 
1*4 
TO 
2*0 
2*4 
Total number of miles of Wind indicated 
4474 
5442 
5817 
5630 
Mean Velocity of Wind per hour... 
miles 
6*0 
7 3 
' 8*1 
7*8 
REMARKS. 
August. 
Dew Point: ranged between 5 9 '7° on the 1st and 740° on the 29th. 
In Sunshine: the highest reading was M8*8° on the 31st. 
On Ground: the lowest reading was 60*8° on the 11th. 
Lightning was seen on the 6 th. 
Total Rainfall since last June 0 inches: the average of 10 years, 0 inches. 
(Signed) James Scoles, S. J. 
September 
Dew Point: ranged between 75*8° on the 20th at 8. a.m. and 51 ’6° on the 25th. 
In Sunshine: the highest reading was 147*9° on the 20th. 
On Ground: the lowest reading was 60*0° on the 6th. 
Total Rai nfall since last J une. 030 inches-; on Aug. 6th the average of 10 years, 1*524) inches. 
The hottest month of this year, and hotter than any previous Sept, of last ten years. 
Total absence of rain never before recorded during last ten years. High dew-point 
made the weather very oppressive. 
(Signed). J. F. Dobson, S. J, 
