Otago Provincial Gazette – 1868 – No. 537

Page 126

✨ Meteorological Observations



ABSTRACT OF METEOROLOGICAL OBSERVATIONS TAKEN AT DUNEDIN, OTAGO, NEW ZEALAND, FOR THE YEAR 1867.

Latitude, 45° 52′ 11″ S. Longitude, 170° 31′ 7″ E. Altitude above Sea Level, 550 Feet. Distance from Sea, 3 Miles.

ATMOSPHERIC PRESSURE.

From the 9.30 a.m., 2.30 p.m., and 9.30 p.m. Observations.

MONTHS MEANS FOR MONTHS.
Mean of 9.30 a.m. and 9.30 p.m. Bar. (at 32° Fahr.)
-------- ---------------------------------------------------------
January 29.910 in.
February 29.866
March 29.893
April 30.012
May 30.120
June 30.107
July 29.928
August 29.860
September 29.993
October 29.934
November 29.898
December 29.894

TEMPERATURE.

From Self-Registering Instruments, Fahr. Scale, at 9.30 a.m.

MONTHS MEAN FOR MONTHS. TEMPERATURE OF AIR IN SHADE. TERRESTRIAL RADIATION.
Mean Temperature of Month. Highest Reading.
-------- ------------------ ---------------------------- ------------------
January 59.9° 80.5°
February 58.5° 75.0°
March 55.8° 76.0°
April 51.0° 68.0°
May 45.0° 60.0°
June 42.0° 55.0°
July 41.8° 55.0°
August 43.2° 60.5°
September 47.6° 67.5°
October 50.7° 73.0°
November 54.5° 77.0°
December 57.5° 80.0°

RAIN.

(At 9.30 a.m.)

MONTHS Number of Days on which Rain fell. Amount Collected.
Inches.
January 16 4.91
February 11 1.64
March 12 2.34
April 15 3.86
May 12 3.06
June 10 2.18
July 16 5.35
August 21 3.20
September 13 0.90
October 24 6.04
November 15 1.75
December 20 2.50

WIND.

(At 9.30 a.m.)

MONTHS Number of Days on which Gales occurred. Maximum Velocity in Miles per Hour.
January 2 50
February 1 45
March 2 35
April 4 40
May 3 50
June 0 35
July 5 55
August 6 75
September 2 70
October 1 50
November 7 60
December 2 70

CLOUDS.

MONTHS Mean of Days for Month.
Clear.
January 10
February 8
March 14
April 12
May 8
June 11
July 12
August 10
September 14
October 13
November 12
December 8

REMARKS

Date Remarks
Jan 3 Gale occurred on 3rd, from W. Thunderstorm on 28th.
Jan 24 Fog prevalent on 14th and 18th.
Feb 1 Gale on 28th. Fog prevalent on 1st and 2nd.
Mar 9 Fog overhauled on 9th.
Apr 5 Gales occurred on 8th and 9th.
Apr 18 Hail and snow on 18th.
May 14 Gales occurred on 14th.
Jun 28 Fog on 20th.
Jul 2 High winds on 2nd, from N.E. and on 29th from S.W.
Jul 25 Gale on 15th. Snow fell on 19th.
Aug 18 High wind and hail.
Aug 30 Severe thunderstorm.
Sep 1 High wind on 5th.
Sep 17 Thunderstorm.
Oct 3 Heavy gales on 10th, 20th, and 28th.
Oct 23 High winds on 23rd from W.
Nov 5 Thunderstorms on 25th.
Nov 27 High winds.
Dec 7 Thunderstorms on 7th and 22nd.

Yearly Summary:

  • Atmospheric Pressure: Mean 29.985 in.
  • Temperature: Highest 80.5° on Jan 10, Lowest 30.0° in July, Annual Range 50.5°.
  • Rainfall: Total for year 36.73 in.

Note.—The barometrical readings are corrected for index error, and reduced to 32° Fahr. and sea-level. The thermometers are verified and corrected by comparison with a standard from Kew. The temperatures are given in the shade only; the climate force of vapour, and degrees of humidity, are computed from the simultaneous observations of the wet and dry bulb thermometers.
In reading the preceding table, it should be borne in mind that all self-registering instruments are recorded at the morning observation, and therefore the results noted occurred during the preceding 24 hours.

Henry Skey, Observer.




Online Sources for this page:

VUW Te Waharoa — PDF Otago Provincial Gazette 1868, No 537




✨ LLM interpretation of page content

🎓 Abstract of Meteorological Observations for Dunedin, 1867

🎓 Education, Culture & Science
Meteorology, Weather, Dunedin, 1867, Atmospheric Pressure, Temperature, Rain, Wind, Clouds
  • Henry Skey, Observer