METEOROLOGICAL OBSERVATIONS. 301 
GOVERNMENT OBSERVATORY, SYDNEY. 
LATITUDE, 33° 51’ 41” ; LONGITUDE, 104 4™ 46s; MAGNETIC VARIATION 9° 25’ 2” East. 
MAY, 1878.—Gernerat ABSTRACT. 
Barometer .. Highest iS ... 30°357 inches on the 6th at 11 a.m. 
At 32° Faht. Lowest Readin ... 29°712 inches on the 24th, at 3 p.m 
n He ane” ‘ ; . 
(Being 0:046 inch greater than that in the same month on an average of the preceding 19 years.) 
Wind... ... Greatest Pressure .. ae BS Ibs. on the 11th. 
Mean Pressure. on 5 Ib. 
Number of Days Calm ... 
pimaane, 3 oe i W. 
(D. *72. ng ng su 2 p 3: g 195 ; W.) 
Temperature a rerigh in the Shade .. 73°4 on the 12th. 
Lowest in t ey ae ade .. 44°9 on the 11th. 
Grewte vse . 22:0 on the Ist. 
Highest in the | Sun 128°3 on the 2nd. 
Hi est in Black Box with 
tlass Te . 152°4 on the 2nd. 
Lowest on the Grass | pi the 15th. 
Mean Diurnal Range 
Mean in the Shade 
(Being 0°8 less than that of the same month on an average of the preceding 19 years.) 
Humidity ... Greatest Amount... ... 100-0 on the 26th. 
Least ie ite ... 51°0 on the Ist. 
78°6 
ean ses ose _— le 
(Being 2°5 greater than that of the same month on an average of the preceding 19 years.) 
Rain... .... Number of Days... ...._ 6 rain and 16 dew. 
Greatest Fall ae .. . 0°562 inc a Sag ‘hea a 
0°549 inc eet above groun 
Total Fall ... pend 15 in. above ground. 
(Being 4-552 inches less than that of the same month on an average of the preceding 19 years.) 
Evaporation Total Amount ...... 2°355 inches. 
oe .. Mean Amount _... ea ee 
Electricity roa Days Cai 3 
oven t 4-2 
N sasha ot Clear Days 1 
Meteors ... Number Observed 4 
Remarks. 
This is the first month this the mean temperature has been below 
the average of 19 Soa Sew ie aly 0°8 less. The rainfall has been very 
ae light throu, aeons larence River District, where moderate 
—o ihe Darling down to sumer level, and the 
et above summer 
= 
