Meteorological Observations




51

RESULTS OF METEOROLOGICAL OBSERVATIONS deduced from Daily Registers kept at the Government Station, Christchurch, for January, 1871.

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 … 29·986 inches

Highest pressure (on 19th) 30·341 ,,

Lowest pressure (on 7th) 29·561 ,,

Temperature in Shade

Approx. mean temperature for month … 63·0 Fah.

Mean of highest daily temperature … 71·8 ,,

Mean of lowest daily temperature … 54·2 ,,

Highest in month (on 28th) 86·9 ,,

Lowest in month (on 13th) 46·6 ,,

Mean daily range … 17·6 ,,

Mean temperature of evaporation … 58·4 ,,

Solar Radiation

Mean … 143·6 ,,

Highest in month (on 16th) 163·3 ,,

Terrestrial Radiation

Mean … 42·9 ,,

Lowest in month (on 8th) 30·7 ,,

Hygrometer (deductions)

Mean temperature of dew point … 54·5 ,,

Mean tension of vapour … 0·425 inches

Mean humidity (Saturation =100) … 74

Rain

Total rainfall on 2 days … 0·031 inches

Greatest rainfall on one day registered at 9·30 a.m. for previous 24 hours (on 8th) 0·030 ,,

Wind

Mean velocity in miles per day … 168 miles

Greatest velocity in miles per day, registered at 9·30 a.m., for previous 24 hours (on 2nd) … 422 ,,

Cloud

Mean amount at 9·30 a.m. (0=clear, 10=overcast) 4·5 ,,

Evaporation

Total … 8·512 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 16 7 1 0 6 0 1 0

REMARKS.

The weather during the month was almost uninterruptedly fine.

R. MAINWARING,
Observer, Christchurch.



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Online Sources for this page:

VUW Te Waharoa PDF Canterbury Provincial Gazette 1871, No 5





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🎓 Meteorological Observations for Christchurch, January 1871

🎓 Education, Culture & Science
Meteorology, Weather, Statistics, Christchurch
  • R. Mainwaring, Observer, Christchurch