✨ Meteorological Observations
RESULTS OF METEOROLOGICAL OBSERVATIONS
deduced from
Daily Registers kept at the Government Station, Christchurch, for December, 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 ... 29.712 inches
Highest pressure (on 30th) 30.214 "
Lowest pressure (on 6th) 29.234 "
Temperature in Shade—
Approx. mean temperature for month ... 56.7 Fah.
Mean of highest daily temperature ... 66.2 "
Mean of lowest daily temperature ... 47.2 "
Highest in month (on 8th) 74.9 "
Lowest in month (on 4th) 36.9 "
Mean daily range ... 19.0 "
Mean temperature of evaporation ... 52.4 "
Solar Radiation—
Mean ... 134.4 "
Highest in month (on 22nd) 155.3 "
Terrestrial Radiation—
Mean ... 34.4 "
Lowest in month (on 4th) 21.9 "
Hygrometer (deductions)—
Mean temperature of dew point ... 48.4 "
Mean tension of vapour ... 0.340 inches
Mean humidity (Saturation = 100) ... 74
Rain—
Total rainfall on 10 days ... 1.729 inches
Greatest rainfall on one day registered at 9:30 a.m. for previous 24 hours (on 17th) 0.563 "
Wind—
Mean velocity in miles per day ... 157 miles
Greatest velocity in miles per day, registered at 9:30 a.m. for previous 24 hours (on 3rd) ... 232 "
Cloud—
Mean amount at 9:30 a.m. (0 = clear, 10 = overcast) 5.7
Evaporation—
Total ... 6.228 inches
Number of days on which the wind blew from each point at 9:30 a.m.—
| N. | N.E. | S.E. | S. | S.W. | W. | N.W. | Calm. |
|---|---|---|---|---|---|---|---|
| 2 | 9 | 10 | 1 | 2 | 6 | 1 | 0 |
Remarks.
The rainfall was about the average for this month; a considerable amount of cloudy weather was experienced. On the 4th there was a heavy hail storm from the S.W., and on the 16th a storm from the N., accompanied by thunder and lightning.
R. MAINWARING,
Observer, Christchurch.
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🎓 Meteorological Observations for December 1870
🎓 Education, Culture & ScienceMeteorology, Weather, Temperature, Rainfall, Wind, Christchurch
- R. Mainwaring, Observer, Christchurch
Canterbury Provincial Gazette 1871, No 3