Author Topic: New Zealand Weather Summary for 1931  (Read 532 times)

Offline Sheldybett

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New Zealand Weather Summary for 1931
« on: June 06, 2019, 06:06:58 PM »
BRIEF SUMMARY OF THE WEATHER FOR 1931.

January.—Very dry and cold conditions had been experienced during and until the end of 1930, but in January, 1931, good general rains fell, and a considerable improvement took place in the condition of the land. The month was a stormy one and temperatures were still somewhat below average. The rain was particularly heavy on the west coast of the South Island, the southern half having probably the wettest January since settlement commenced. Some flooding occurred. Parts of the eastern districts in both Islands had less than the average precipitation.

February.—This was another very cold and stormy month. In the strength and frequency of north-westerly winds it resembled one of the spring months. Rainfall was much below normal in eastern and northern portions of the North Island. In the South Island south from Nelson it was above normal, southern districts again having a very wet time. The growth of vegetation was retarded.

March was very dry, but the effect of the dry conditions was mitigated by cool temperatures and an absence of wind. In the Hawke's Bay and Poverty Bay districts the situation was relieved by good rains.

April.—Though the weather was fine and mild during most of April, there were four stormy periods, two being of unusual severity. The first of these occurred on the 2nd and 3rd, and was accompanied by northerly gales, which were very strong about Cook Strait. In parts of the Tararua Mountains and northern Nelson rains of unprecedented amount were recorded. The highest known floods occurred in the Hutt and Otaki rivers. Extraordinary high tides occurred at Nelson. On the coast of Westland there was a remarkable accumulation of foam. In places it was heaped up to a height of 8 f t. This storm occurred, unfortunately, at the beginning of the Easter holidays. Much damage was done and several accidents were caused, two lives being lost. The second period of severe storm was between the 7th and the 12th. The southerly gale on the 11th was only slightly less severe than the northerly previously mentioned. The month was, in the mean, cool, but there was no very severe cold spell. The heavy rains connected with the storms produced a considerable improvement in the condition of pastures in most districts.

May.—Temperatures were again somewhat below normal. The rainfall was approximately normal in Westland and Stewart Island, hut elsewhere only about half the average.

June.—Rainfall and temperature remained much below normal. A number of extensive snowfalls occurred.

July.—Much boisterous weather was experienced, and there were further heavy and widespread falls of snow. That on the 19th to the 20th was in many places the heaviest for the past thirty to fifty years. For the third month in succession rainfall continued to be deficient in South Canterbury and North Otago. Elsewhere precipitation was above normal. Mean temperatures did not depart much from the average.

August.—Rainfall was below average in most of the North Island, Marlborough, and North Canterbury, but elsewhere mainly above. Temperatures were below normal and frosts were numerous. A severe north-west gale occurred on the 12th, damage being done in Canterbury.

September.—Temperatures were again low, and many districts had the coldest September on record. The weather was stormy, southerly winds predominating. Growth of pasture remained backward and there was considerable mortality amongst lambs. Most districts had more than the average rainfall. A widespread fall of snow occurred on the night of the 5th, being particularly heavy in the central portion of the North Island. Another severe northerly gale was experienced in Canterbury on the 8th, trees, fences, and telegraph-lines being damaged. A violent thunderstorm struck Reefton on the night of the 8th. Windows were cracked and the telephone and electric-light systems thrown into confusion.

October provided a marked contrast with the preceding months of the year. The weather was mainly fine, with a prevalence of warm northerly winds and bright sunshine. The 24th was an exception, a bitter cold southerly on that day bringing hail and snow showers to many parts of the South Island and the central portion of the North. In the severe frost which followed, much damage was done to orchards and tender vegetation. Rainfall during the month was almost everywhere below average. On the 10th, for the third time since the beginning of August, a north-westerly gale wrought considerable destruction on the Canterbury Plains. Heavy rain in the Alps caused floods in the Canterbury and West Coast rivers. On the 20th a northerly gale reached its greatest severity at Dunedin, where damage was done to buildings, fences, and gardens. The wind was the strongest experienced in the city for many years.

November was another fine and very warm month. Many places had the highest mean temperature recorded for November. Numerous thunderstorms occurred. On the 12th a particularly severe one, accompanied by deluges of rain, affected the Waimarino and Waipukurau districts. On the 24th to the 25th there was another isolated cold snap. Hail was widespread on the 24th and particularly severe at Leeston and Seafield in Canterbury. The frost of the following night caused much damage to orchards and vegetable crops in Canterbury and Otago. The rainfall was again below average.

December.—Fine, mild, and sunny weather continued throughout the greater part of the month. Heavy and general rains in the middle portion were of great benefit to crops and pastures. The rainfall in most eastern districts, however, still remained below normal. Thunderstorms were again frequent.

Year.—In the North Island rainfall was mainly above average in districts with a westerly aspect from the neighbourhood of Auckland southwards, but in the remainder it was very much below. Indeed, east of the main ranges from East Cape to Cook Strait the year was the driest recorded. Feed was very scarce in these districts, and stock in many eases in very poor condition. In the South Island, mainly owing to heavy rains in January and February, there was as great an excess of rain on the west coast as there had been a deficit in 1930. In some of the wettest country the normal was exceeded by as much as 50 in. East of the ranges, practically all the plain country had much less than the average. For most of these parts the driest year known is 1915, and so far as annual totals are concerned, 1931 was not so dry. In South Canterbury and North Otago, however, the cumulative effect of 1930 and 1931 was little less severe. Some wheat crops were entire failures, and in Canterbury, Marlborough, and parts of Otago pastures were generally in a very bad condition by the end of the year. Nevertheless, in all provinces there were areas where conditions were good, and in the country as a whole production was maintained at a high level.

Temperatures were below normal, but not nearly so much so as in 1930.

THE NEW ZEALAND OFFICIAL YEAR-BOOK, 1933.


Sheldybett

Offline Rwood

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Re: New Zealand Weather Summary for 1931
« Reply #1 on: June 06, 2019, 08:55:57 PM »
A cold year, but very sunny except in the west and south of the South Island. Some very high rainfalls in Westland and Fiordland.


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