104 
The highest reading of the thermoneter in shade (69°7) was registered on the 
23rd, and the lowest reading (23°5) on the 11th. 
The mean degree of humidity was 84'2 ; complete saturation being 100. 
The rainfall is very small, being far below an average fall for March—only 
0787 inch. 
There was a deposit of water in the rain-guage to the amount of 0°01 inch 
or more on 11 days. 
The winds at 9.0 a.m. daily were as follows:—N.1; N.E. 0; E. 2; S.E. 4; 
Sas SW. bis Wi vis NW. 75 calm, 1. 
The chief point of interest during this month was the great atmospheric 
pressure on the 6th. The following readings were registered during the day :— - 
Inches. | Inches. 
At 4.0 a.m. = ons ... 30°508 | At 11.45 a.m. fee ies «.. 30°587 
7.45 os a 30569 12.30 p.m. Bed a ... 30°578 
8.45 is a OU oo 4:45 p.m. sas oe ... 380°562 
9.0 i 30°621 
APRIL. 
The mean of all the 9.0a.m. barometrical readings during the month is 
29°660 inches. 
The highest reading (30110 inches) was registered on the 29th, and the 
lowest (29°041 inches) on the 3rd. 
The mean temperature of April is 50°59 degrees, Mr. Glaisher’s average 
temperature for this month being 46°2 degrees. 
The highest reading of the thermometer in shade (82°1) was registered on the 
27th, and the lowest (31°9 degrees) on the 5th. 
The mean degree of humidity for April this year is 78°4 degrees ; complete 
saturation being 100. 
The rainfall which was almost entirely confined to the first half of the 
month, amounts to 1°721 inch; the greatest fall in 24 hours (0°385 inch) occurring 
on the 2nd. 
There were 16 days in which 0°01 inch or more fell. 
The winds at 9.0 a.m. daily were as follows :—N. 2; N.E. 3; E.2; 8.E. 4; 
S.3; S.W. 6; W.3; N.W. 4; and 3 days uncertain. 
There were gales of wind on the nights of lst—2nd, and 2nd—3rd, the 
direction being S.W. to N.W., and back to 8.W. 
The temperature of the last eleven days of April was extraordinary, the 
maximum readings being as follows :— 
Inches. Inches, 
20th ... Ses ae fe (pail othe sae ES "eh re 80°7 
Dish vse. * a i, 179 D7th. ee a ms Lea 82:1 
On ee: eS ee = 701 PSthy. 9 kcc ck a wap 741 
23rd) ia. = Be a 774 29th .... ace oe MS . 700 
Ath ... uf tes a 66°2 30th =... dee i oa 741 
Oth: -) as ade ie 68°3 
During this period, however, the nights were cold and the frosts on the grass 
sharp, even when the air was not quite cold enough to lower the thermometers in 
the stand to 32 degrees, 
