✨ 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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🎓 Meteorological Observations for Christchurch, January 1871
🎓 Education, Culture & ScienceMeteorology, Weather, Statistics, Christchurch
- R. Mainwaring, Observer, Christchurch
Canterbury Provincial Gazette 1871, No 5