New Zealand Gazette – 1973 – No. 110

Page 2515

✨ Climatological Table



29 NOVEMBER

THE NEW ZEALAND GAZETTE

CLIMATOLOGICAL TABLE—Summary of the Records of Temperature, Rainfall, and Sunshine for October 1973—continued

Station Height of Station Above M.S.L. Means of Mean of A and B Difference From Normal Absolute Maximum and Minimum Rainfall in Millimetres Bright Sunshine
Max. Min. Maxi- Total Fall Hrs.
mum mm
Kairanga, DSIR, September 1973 15 16.1 6.9 11.5 22.5 -0.5 127
Massey University, September 1973 61 15.4 8.0 11.7 21.5 0.6 153
Cape Egmont, September 1973 8 15.2 .. .. 18.5 18 ..
Ohakune, September 1973 610 13.1 4.3 8.7 +1.5 21.0 30
Kahui, Taihape, September 1973 518 13.6 5.9 9.8 .. 20.0 29
Greymouth, September 1973 4 14.2 7.2 10.7 +0.5 19.7 18
Black Birch Range, September 1973 1,396 7.2 1.1 4.2 +1.3 19.5 30
Ski Basin, Craigieburn, September 1973 1,554 5.4 -1.8 1.8 +1.3 14.6 30
Craigieburn Forest, September 1973 914 13.5 0.3 6.9 +1.5 24.3 30
Camp Stream, August 1973 1,433 .. .. .. .. .. ..
Camp Stream, September 1973 1,433 7.5 0.5 4.0 +0.5 17.8 30
Lake Pukaki No. 2, August 1973 556 6.7 -2.2 2.3 .. 15.1 30
Lake Pukaki No. 2, September 1973 556 14.5 1.9 8.2 .. 24.0 30
Otiake Farm, September 1973 183 15.3 4.4 9.9 .. 25.8 30
Raoul Island, July 1973 38 18.9 14.1 16.5 +0.5 21.8 23
Raoul Island, August 1973 38 19.3 14.1 16.7 +0.7 21.7 18
Raoul Island, September 1973 38 20.1 15.5 17.8 +1.5 22.7 28
Campbell Island, February 1973 15 11.3 6.7 9.0 -0.2 13.1 1
Campbell Island, March 1973 15 11.8 6.5 9.2 +0.7 15.8 29
Campbell Island, April 1973 15 9.0 3.9 6.5 -0.7 12.5 20
Campbell Island, May 1973 15 6.8 2.1 4.5 -1.5 10.5 15
Campbell Island, June 1973 15 7.4 3.1 5.3 +0.3 12.5 3
Campbell Island, July 1973 15 7.5 3.8 5.7 +0.9 11.2 20
Campbell Island, August 1973 15 6.9 3.0 5.0 -0.2 11.6 29
Campbell Island, September 1973 15 8.2 3.7 6.0 +0.5 11.3 5
Scott Base, Antarctica, July 1973 16 -21.2 -32.5 -26.9 +2.8 -7.8 9
Scott Base, Antarctica, August 1973 16 -19.3 -33.6 -25.6 +4.6 -6.0 15

The “normal” refers to the present site of the instruments. Standard periods for normals are: Temperature 1931–60, Rainfall 1941–70, Sunshine 1935–60. No normals are available for stations with only short records.

*Indicates that the sunshine recorder is not located at the station but is in the near vicinity.

A rain day is a day with rainfall equal to or greater than 0.1 mm.

Where the extremes of temperature and rainfall have occurred more than once during the month, the date of the first occurrence is given.

NOTES ON THE WEATHER FOR OCTOBER 1973

General—October was a dry and warm month for most of the country. The dry weather was already beginning to have a serious effect in Marlborough, where some farmers were selling off cows for lack of feed. Other areas affected, but less seriously, were Nelson, Canterbury, and Wairarapa.

Gales were widespread, especially in eastern districts, on the 1st.

Rainfall—Rainfall was below normal, mainly by 50 percent, except in South Westland, Fiordland, Southland, and Otago, where it was somewhat above normal. Greatest deficiencies were recorded in Bay of Plenty, most of which received less than a quarter of the normal rainfall.

Temperatures—Temperatures were mainly above normal and the departure amounted to more than 1°C in north-eastern areas of both islands.

The coldest days were the 4th, the 17th, the 25th, and the 26th.

Sunshine—Sunshine was close to normal over the greater part of the country. However, it was 30 to 50 hours below normal in Southland, over a considerable part of the West Coast, and in coastal districts of Otago and South Canterbury.

Weather Sequence—At the beginning of the month a trough of low pressure associated with a deep depression to the south was crossing New Zealand. North-westerly gales were reported in many areas, especially in eastern districts and about Cook Strait. Moderate amounts of rain were reported over a considerable area of the South Island and in Wellington and southern Wairarapa, but elsewhere the rain was mainly light. On the 2nd a weak ridge brought improved weather to some districts, but rain persisted in the west and south of the South Island. On the following day another trough associated with a depression far to the south crossed the country. More gales were reported and some snow in the South Island high country. Scattered rain affected most of the South Island and the southern half of the North Island. From the 4th to the 6th a large anticyclone crossed the North Island and the weather was mainly fine. However, rain commenced on the West Coast on the 6th with the approach of a trough of low pressure. During the following 2 days this trough crossed the country with the formation of a small depression over the North Island. Rain was reported mainly on the West Coast and in northern districts of the North Island.

From the 9th to the 11th another anticyclone moved eastward across the North Island with warm and mainly fine weather. However, by the 11th rain had commenced on the West Coast



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🎓 Summary of Temperature, Rainfall, and Sunshine for October 1973 (continued from previous page)

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Climatology, Temperature, Rainfall, Sunshine, Weather Statistics