✨ Meteorological Observations
143
RESULTS OF METEOROLOGICAL OBSERVATIONS
DEDUCED FROM DAILY REGISTERS KEPT AT THE
GOVERNMENT STATION, CHRISTCHURCH.
FOR MARCH, APRIL, AND MAY, 1871.
| MARCH. | APRIL. | MAY. | |
|---|---|---|---|
| Barometer corrected and reduced to 32 deg. Fah. |
Mean Atmospheric Pressure for Month | 29·845 | 30·088 |
| Highest Pressure | (13th) 30·372 | (22nd) 30·493 | |
| Lowest Pressure | (25th) 29·244 | (14th) 29·474 | |
| Temperature in Shade. | Approximate Mean Temperature for Month | 53·6 | 52·1 |
| Mean of Highest Daily Temperature | 63·8 | 59·0 | |
| Mean of Lowest Daily Temperature | 53·4 | 45·3 | |
| Highest in Month | (21st) 82·4 | (14th) 71·0 | |
| Lowest in Month | (28th) 42·6 | (19th) 34·9 | |
| Mean Daily Range | 10·4 | 13·7 | |
| Mean Temperature of Evaporation | 56·1 | 50·0 | |
| Solar Radiation. | Mean | 114·8 | 107·7 |
| Highest in Month | (21st) 143·7 | (14th) 129·9 | |
| Terrestrial Radiation. | Mean | 43·9 | 33·3 |
| Lowest in Month | (7th) 28·5 | (19th) 20·6 | |
| Hygrometer (deductions). | Mean Temperature of Dew Point | 53·9 | 47·9 |
| Mean Tension of Vapour | 0·416 | 0·334 | |
| Mean Humidity (Saturation = 100) | 84 | 85 | |
| Rain. | Total Rainfall | 5·354 | 2·233 |
| Greatest Rainfall on one Day, registered at 9.30 a.m. for previous 24 hours | 1·076 | 1·140 | |
| Wind. | Mean Velocity in Miles per day | 181 | 126 |
| Greatest Velocity in Miles per day, registered at 9.30 a.m. for previous 24 hours | 373 | (19th) 440 | |
| Cloud. | Mean Amount at 9.30 a.m. (0 = clear; 10 = overcast.) | 8·0 | 5·1 |
| Total Evaporation | 2·609 | 1·481 |
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. | N.W. | Calm. | |
|---|---|---|---|---|---|---|---|---|---|
| MARCH | ... 0 | ... 8 | ... 6 | ... 1 | ... 2 | ... 12 | ... 1 | ... 1 | ... 0 |
| APRIL | ... 0 | ... 8 | ... 6 | ... 1 | ... 4 | ... 10 | ... 0 | ... 0 | ... 1 |
| MAY | ... 1 | ... 11 | ... 4 | ... 0 | ... 1 | ... 13 | ... 1 | ... 0 | ... 1 |
REMARKS.—Rain fell on 18 days in March, to the unusual depth, for this month, of 5·354 inches, the average fall being 1·742 inches. A shock of earthquake was felt a few minutes before 8 a.m. on the 28th. The Weather on the 18th April was very tempestuous—a heavy gale from the S.W., with rain, blowing all day and all night. The weather during May was for the most part fine, and dry. On the 24th, at 8 p.m., there was vivid lightning and thunder in the S.W., succeeded by a heavy rain for a few minutes.
R. MAINWARING, Observer, Christchurch.
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Canterbury Provincial Gazette 1871, No 24
✨ LLM interpretation of page content
🎓 Results of Meteorological Observations for March, April, and May 1871
🎓 Education, Culture & ScienceMeteorology, Weather, Statistics, Temperature, Rainfall, Wind, Christchurch
- R. Mainwaring, Observer, Christchurch