Otago Provincial Gazette – 1873 – No. 848

Page 166

✨ Meteorological Observations

Latitude, 45° 52' 11" S. Longitude, 170° 31' 7" E. Altitude above Sea Level, 550 Feet. Distance from Sea, 3 Miles.

	ATMOSPHERIC PRESSURE.	TEMPERATURE.	RAIN.	WIND. (At 9 a.m.)	REMARKS.
	Barometer (44.7 Inches from cistern to centre of tube).	Government of Otago, by Henry Skey, F.R.A.S.	From Self-Registering Instruments, Fahren. Scale.	Mean Dew Point.	Number of Days on which Rain fell.
	Mean for Month.	Highest Reading.	Lowest Reading.	Approximate Range for Month.	Mean Maximum for Month.
-------	-----------------------	------------------	-----------------	-------------------------------	-----------------------
Jan.	29.812	30.292	29.191	1.101	72.6
Feb.	29.836	30.377	29.422	0.929	64.9
March	30.104	30.443	29.552	0.883	64.6
April	29.791	30.301	28.939	1.362	55.7
May	29.771	30.229	29.023	0.906	54.7
June	29.554	30.077	28.912	1.045	47.1
July	29.606	30.221	28.874	1.347	46.0
Aug.	29.746	30.302	28.937	1.365	49.2
Sept.	29.913	30.355	29.249	1.106	57.9
Oct.	29.892	30.234	29.290	0.944	60.0
Nov.	30.020	30.258	29.603	0.655	63.9
Dec.	29.817	30.315	29.464	0.753	68.9
Year	29.819			1.031	58.8

Notes:

The barometrical readings are corrected for index error, capillary action, and reduced to 32° Fahr., and sea level.
The thermometers are corrected for index errors, ascertained by comparison with a standard thermometer.
The temperature of the dew point, the elastic force of vapour, and degree of humidity, are computed from the simultaneous observations of the wet and dry bulb thermometers.
The temperature of the dew point, the elastic force of vapour, and degree of humidity, are computed at the morning observation, and therefore the results refer to the preceding 24 hours.
In reading the preceding table, it should be borne in mind that all self-registering instruments are read off at the morning observation.

Henry Skey, Observer.

Domain🎓 Education, Culture & Science
KeywordsWeather, Meteorology, Dunedin, 1872
👩‍💼 Officials

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