✨ Meteorological Observations
NEW ZEALAND
GOVERNMENT GAZETTE
PROVINCE OF CANTERBURY.
Published by Authority.
Vol. XVI. TUESDAY, JUNE 15, 1869. No. XXVI.
RESULTS OF METEOROLOGICAL OBSERVATIONS
Deduced from Daily Registers kept at the Government Station, Christchurch, for May, 1869.
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. F.)
Mean atmospheric pressure for month ... 29.762 inches
Highest pressure (on 12th) 30.271 "
Lowest pressure (on 24th) 29.048 "
Range for month ... 1.223 "
Temperature in Shade:
Approx. mean temperature for month ... 46.5 Fah.
Mean of highest daily temperature ... 54.7 "
Mean of lowest daily temperature ... 38.3 "
Highest in month (on 15th) 62.9 "
Lowest in month (on 21st) 28.5 "
Mean daily range ... 16.4 "
Solar Radiation:
Mean ... 101.8 "
Highest in month (on 18th) 116.7 "
Terrestrial Radiation:
Mean ... 25.0 "
Lowest in month (on 21st) 11.4 "
Hygrometer: (deductions)
Mean temperature of evaporation ... 44.0 "
Mean temperature of dew point ... 41.2 "
Mean tension of vapour ... 0.259 inches
Mean humidity (Saturation = 100) ... 83
Mean weight of a cubic foot of air ... 544.4 grains
Mean weight of vapour in a cubic foot of air ... 3.0 grains
Mean weight required to saturate a cubic foot of air ... 0.6 "
Rain:
Total rainfall on 6 days ... 2.033 inches
Greatest rainfall on one day, registered at 9:30 a.m. for previous 24 hours (on 24th) ... 1.206 "
Wind:
Mean velocity in miles per day ... 98 miles
Greatest velocity in miles per day, registered at 9:30 a.m. for previous 24 hours (on 4th) ... 203 "
Cloud:
Mean amount at 9:30 a.m. (0=clear) (10=overcast) ... 4.7
Evaporation:
Total ... 1.205 inches
Number of days on which the wind blew from each point:
N. N.E. E. S.E. S. S.W. W. N.W. Calm.
1 3 4 0 0 17 1 3 2
Remarks:
The weather during the month compares favourably with that usually experienced in May, although both the days and nights were about two degrees colder than the average for the month for the last five years. The air, however, was remarkably still. The mean velocity in miles per day for May during the last four years has been 131 miles, whereas during the month in question it was only 98 miles. Severe squalls from the S.W. were felt on the 3rd and 7th, the latter being accompanied by hail and sleet. A heavy fog occurred on the afternoon of the 29th.
R. MAINWARING,
Observer, Christchurch.
Vol. XVI., No. 26.
Printed by John Steele Gully, Christchurch, at the "Press" Office, Cashel Street.
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Canterbury Provincial Gazette 1869, No 26
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🎓 Meteorological Observations for May 1869
🎓 Education, Culture & ScienceMeteorology, Weather, Temperature, Rainfall, Wind, Christchurch
- R. Mainwaring, Observer, Christchurch