410 
THE MEDITERRANEAN NATURALIST 
Metereological Report. 
Lat. 35' J 55 ' N. Long. 14° 29 ' E. 
Barometer Readings reduced to 32° F. at sea level. 
ST. IGNATIUS’ COLLEGE 
MALTA. . . 
1893. 
Results of observations taken during the month of 
March 
Average 
10 years 
April 
Average 
10 years 
\ 
Mean Reading of Barometer 
inches 
30-073 , 
29 089 
30*048 
29*925 
Highest „ „ on the 13th 
55 
30*385 
30*363 
30*386 
30*256 
Lowest „ on the 31st 
Range of Barometer Readings 
55 
29 771 
29*406 
29*705 
29-499 
0-614 
0867 
0*681 
0757 
Highest Reading of Max: Therm: on the 18th .... 
m -2" 
74'7 J 
77"7° 
77 -r 
Lowest Reading of Min: Therm: on the 22nd ... 
44 2° 
42*9° 
47-2° 
48 "0° 
Range of Thermometer Readings 
22-0° 
31 *8° 
30*5° 
29 1° 
Greatest Range in 24 hours on the 22nd ... 
19-8° 
23*1° ' 
22*1° 
22T° 
Mean of ail the highest Readings 
61 A 
63 3° 
66 9° 
67*4° 
Mean of all the lowest Readings ... 
49-4° 
50 8° 
53 1" 
54*3° 
Mean Daily Range ... 
] 2*5° 
12;5° 
13 8° 
131° 
Mean Temperature (deduced from Max: and Min.) 
55-0° 
56*2° 
59 0° 
59 9° 
Mean Temperature (deduced from Dry Bulb.) ... 
53 "8° 
55*6° 
58*6° 
59-6° 
Adopted Mean Temperature 
54*4° 
55 9° 
58 8° 
59-8° 
Mean Temperature of Evaporation 
50 5° 
51*9° 
55*5° 
55*6° 
Mean Temperature of Dew point 
47 5° 
487 c 
52-7° 
52T° 
Mean Elastic force of Vapour 
inches 
0-329 
0345 
0*399 
0*389 
Mean Weight of Vapour in a cubic foot of air ... 
grains 
37 
3 9 
4*4 
4-4 
Mean additional weight required for saturation... 
55 
0-9 
LI 
LI 
1*4 
Mean degree of Humidity ... 
79 
79 
81 
77 
Mean Weight of a cubic foot of air 
grains 
540 4 
537 0 
534*4 
53 L0 
Fall of Rain 
inches 
2-268 
0*896 
0247 
0*768 
Number of days on which Rain fell 
7 
7 
3 
6 
Mean amount of Cloud (an overcast sky = 10) 
4 "5 
4*4 
4*3 
4*3 
Total number of miles of Wind indicated 
7271 
8175 
6585 
8473 
Mean Velocity of Wind per hour... 
miles 
9 8 
10-9 
66 
11*8 
REMARKS. 
March. 
Dew Point: ranged between 56*6° on the 17th and 34*8° on the 27th. 
In Sunshine: the highest reading was 129*2 on the 25th. 
On Ground: the lowest reading was 38 0 on the 22nd. 
Thunderstorms passed on the 2nd. 
Lightning was seen on the 7th and 25th. 
Total Rainfall since last June 25’669 inches; the average of 10 years, 17 '778 inches: 
S 1 
April. 
Dew Point: ranged between 38-7° on the 12th and 00 3 on the 23rd. 
In Sunshine: the highest reading was 1341° on the 28th. 
On Ground: the lowest reading was 41 '9° on the 18th. 
Lightning was seen on the 9th. 
Total Rainfall since last June 25 069 inches; the average of 10 years, 18 546 inches. 
(Signed) James S coles, S. J. 
