Meteorological Observations




NEW ZEALAND

GOVERNMENT GAZETTE

PROVINCE OF CANTERBURY.

Published by Authority.

Vol. XVII. FRIDAY, JULY 22, 1870. No. XXXIV.

RESULTS OF METEOROLOGICAL OBSERVATIONS

Deduced from Daily Registers kept at the Government Station, Christchurch, for June, 1870.

Latitude, 43 deg. 32 min. 16 sec. S.; Longitude, 172 deg. 38 min. 59 sec. E.
Height above Sea, 21 feet; distance from Sea, 5 miles.

Barometer (corrected and reduced to 32 deg. Fah.)—

Mean atmospheric pressure for month ... 29.789 inches
Highest pressure (on 3rd) 30.290 "
Lowest pressure (on 30th) 29.166 "

Temperature in Shade

Approx. mean temperature for month ... 46.1 Fah.
Mean of highest daily temperature ... 51.8 "
Mean of lowest daily temperature ... 40.4 "
Highest in month (on 25th) 60.2 "
Lowest in month (on 15th) 25.7 "
Mean daily range ... 11.4 "

Solar Radiation

Mean ... 79.2 "
Highest in month (on 1st) 108.4 "

Terrestrial Radiation

Mean ... 28.9 "
Lowest in month (on 15th) 10.3 "

Hygrometer (deductions)

Mean temperature of evaporation ... 44.9 "
Mean temperature of dew point ... 43.6 "
Mean tension of vapour ... 0.284 inches
Mean humidity (Saturation = 100) ... 91

Rain

Total rainfall on 15 days ... 3.030 inches
Greatest rainfall on one day registered at 9:30 a.m. for previous 24 hours (on 6th) 0.646 "

Wind

Mean velocity in miles per day ... 139 miles
Greatest velocity in miles per day, registered at 9:30 a.m. for previous 24 hours (on 5th) ... 416 "

Cloud

Mean amount at 9:30 a.m. (0 = clear, 10 = overcast) ... 6.9

Evaporation

Total ... inches

Number of days on which the wind blew from each point at 9:30 a.m.—

N. N.E. E. S.E. S. S.W. W. NW. Calm.
0 4 9 2 10 2 1 0 2

Remarks.

The most continued interval of bad weather was from the 6th to the 10th, the rain commencing in the S.W. and working round to the E. The temperature both of the nights and days was higher than is usually the case in this month; the approximate mean temperature for the month, viz.: 46.1 Fah., was the highest that has been as yet registered for June, and was 2.7 Fah. over the average for that month.

R. MAINWARING,
Observer, Christchurch.

Vol. XVII., No. 34.



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Online Sources for this page:

VUW Te Waharoa PDF Canterbury Provincial Gazette 1870, No 34





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🎓 Results of Meteorological Observations for June 1870

🎓 Education, Culture & Science
Meteorology, Weather, Christchurch, June 1870, Temperature, Rainfall, Wind, Cloud, Evaporation
  • R. Mainwaring, Observer, Christchurch