Meteorological Observations




RESULTS OF METEOROLOGICAL OBSERVATIONS

DEDUCED FROM DAILY REGISTERS KEPT AT THE

Government Stations in Christchurch and Hokitika, for August, 1866.


CHRISTCHURCH STATION.

Latitude . . . 43° 32' 16" S.
Longitude . . . 172° 38' 59" E.
Height above Sea . . . 21 feet.

HOKITIKA STATION.*

Latitude . . . 42° 41' 30" S.
Longitude . . . 170° 59' 0" E.
Height above Sea . . . 8 feet.


CHRISTCHURCH. HOKITIKA.
Mean Atmospheric Pressure 29.913 29.991
Greatest Pressure (31st) 30.416 (31st) 30.424
Least Pressure (12th) 29.132 (12th) 29.115
Mean Pressure of Vapour in Inches of Mercury .278 .294
Mean of Highest Day Temperature in Shade 54.2 53.3
Mean of Lowest Night Temperature in Shade 36.7 39.2
Mean Temperature of Atmosphere in Shade 45.4 46.2
Highest Temperature in Shade (28th) 64.8 (28th) 57.4
Lowest Temperature in Shade (2nd) 27.3 (1st) 29.0
Mean Daily Range 17.6 14.4
Mean Solar Radiation 78.7 67.5
Maximum ditto (30th) 106.7 (30th) 77.0
Mean Nocturnal Radiation 30.1 24.9
Minimum ditto (19th) 18.8 (2nd) 22.6
Mean Temperature of Dew-point 42.7 47.1
Mean Degree of Moisture (saturation = 100) 81 92
Number of Days on which Rain fell 9 19
Total Rainfall in Inches on ground 0.616 11.56
Greatest Daily Fall (20th) 0.142 (11th) 2.65
Mean Amount of Cloud (overcast = 10) 5.6 5.9
Mean Velocity of Wind in Miles per Day 133 103
Greatest ditto (8th) 247 (11th) 236
Least ditto (15th) 69 (22nd) 89
Mean Weight of a Cubic Foot of Air 545.1 grains 545.1 grains
Vapour in a Cubic Foot of Air 3.15 3.7
Vapour required to saturate a Cubic Foot of Air 0.75 0.3

Note.—The Barometer is corrected for Index Error, &c., and reduced to 32 deg. Fah.
Observer, James Rochfort, Esq., District Engineer.


REMARKS.

CHRISTCHURCH.

The first day of the month was cold and cloudy, with showers of rain in the evening. From the 2nd to the 7th beautiful weather prevailed, warm sunshine days, often cloudless, with light variable winds. There was a cold damp fog on the morning of the 8th; the day overcast and dull. Frequent showers fell on the 9th, with strong N.E. wind in the forenoon. The 10th and 11th were very fine, wind northerly and warm. 12th, light rain from the S.W. in the forenoon, afternoon fine. 13th and 14th, fine but cloudy,

showers of rain at night. Light rain fell also on the morning of the 15th for an hour, when it cleared up remarkably fine, and continued thus for five days, during which time scarcely a cloud was visible day or night, the wind blowing lightly from the east, with frequent calms. On the 20th the wind blew strong in the forenoon from N.W., changing to S.W. at 3 p.m., with two hours of rain; at night a very slight shower of hail fell for a few seconds, and at the same time the higher parts of Banks Peninsula were covered with a thin coating of.



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Online Sources for this page:

VUW Te Waharoa PDF Canterbury Provincial Gazette 1866, No 67





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🎓 Meteorological Observations for August 1866

🎓 Education, Culture & Science
Weather, Temperature, Rainfall, Wind, Atmospheric Pressure, Christchurch, Hokitika
  • James Rochfort, Esq., District Engineer