WEATHER SUMMARY.

Otago Daily Times, Issue 20087, 2 May 1927, Page 10

WEATHER SUMMARY.

THE MONTH OF APRIL RAINFALL ABOVE THE AVERAGE. Over two inchei of rain fell in Dunedin during the month of April. The fall was considerably above the average, and was the heaviest registered for the fourth month of the year since 1924. Records compiled at the Musselburgh pumping station show that the total rainfall for April was 2.76 in, as compared with 4.04 m in March. Although the rainfall was heavy at times, particularly towards the close of the month, the 30-day period was remarkable for the large number of fine, sunny days recorded. Only on two of the 12 days on which rain fell was the fall over half an inch. The Musselburgh pumping station instruments registered .63m on Thursday last. This was the heaviest fall during the month. The next heaviest jail was on Tuesday of last week, when the instruments registered .58in. There was a spell of bright, sunny days from April 1 to b, followed by four days on which light ram tell. The conditions were again fine until April 15, rain falling on that and the two following days. A spell of fine weather ensued until April 25, when stormy weather set in. On the night of April 24 there wag a fierce gale from the north-west, and a moderate gale from the south-west prevailed on April 27, 28. and 29 The last day of the month wa 6 dull and overcast. 'the following table shows the days on which rain fell during the past month.

Annual ... 37.21 24.25 29.87 33.34 It being on the verge of winter there were no warm days during the past month. The greater part of the W-dsy period was notable for the changeable conditions, ine first few days of the month were bright and sunny, but these were followed by periods when the sky was overcast, with intermittent sunshine and light showers. The weather became very changeable and cold on April 25. These conditions prevailed until almost the end of the month. The temperature showed a drop of over 15 degrees as compared with the highest thermometer reading in March, which was 76 degrees. On only one occasion, April 2 the mercury passed the 60 mark, this was the warmest day of the month, between April 3 and 15 the average maximum thermometer reading was S 6 degrees. The readings on April 9 and 10 were 47 degrees and 46 degrees respectively. The temperature rose on April 15, the reading on that day being 60 degrees. From April 17 to April 22 the avemge maximum reading was 54 degrees. The mercury rose again to 60 degrees on April 23 and 24. The mercury then fell very rapidly, the readings on April 26 being 31 (minimum) and 43 (maximum). This was the lowest recorded for the month. During the last four days of the month the average maximum reading was 44 degrees. A very cold spell set in when the temperatro fell on April 25, and continued to the close ofthe month. The barometer readings were high during the first five days of April. This was during the sunny period. Thd highest reading was on April 1, the barometer showing 30.33 at 8 a.m., and 30.22 at 5 p.m. The barometer thereafter commenced to fall, the reading on the evening of April 5 being 30.04. The barometer rose and fell to a marked degree between April 6 and 14, the average daily reading being 29.70. Between April 15 and 17 the readings were between 30.02 and 30.10. There was another change from April 21 to April 28. when the reading hovered between 29.30 and 29.80. The lowest reading was recorded on April 25, the barometer showing 29.30 at 8 a.m, and 29.37 at S p.m. Low readings were also registered on April 26. these being 29.40 in the morning and 29.47 in the evening. There was a noticeable rise on the last two days of the month, the reading at 5 p.m. on April 29 being 30.14. Ten days of April came under the heading of “Bright and fine,” nine days could be classified as “cloudy and fine,” and five of E >x days as “overcast and showery.”

SEACLIFF NOTES. The month of April, though opening with good average weather and sunny days, has given us two periods of rain along with much violent wind, particularly in the second period from April 24 to 30. No very heavy rain was recorded except on April 28, with ,79in. Eleven days could be classed as fine throughout. The thermometer readings have had slight variation. The lowest minimum was 33 degrees on two occasions, while the highest maximum was 65 degrees. The barometer stood at 30.31 in on April 1, and continued with a steady fall until April 8, when a slight rise took place. On April 19 a marked fall again began until 9.2 in was reached on April 26. After a steady rise the reading was 30. in on the last dav of the month. For the month of April last year rain fell on 18 days, with a total of ,95in. Also there was much fog, which continued for over a fortnight. This year ram fell on 15 days with a total of 2.41 in. The rainfall was as follows: —

Date. inches. Date. inches. April 5 92 April 19 ... ... .22, April 6 09 April 25 02 April 7 22 April 26 34 April 8 04 April 27 03 April 9 10 April 28 ... .79 April 10 ... ... .07 April 29 33 April 14 Cf April 30 .08 April 16 91 15 days 2.41

April 7 20 April 17 .35 10 April 26 .68 April 9 ... .05 April 27 .45 14 April da .63 ... .02 April 29 .20 April 16 ... .01 April 30 .02 The following table gives the monthly rainfall figures for the past live years — 1923 1924. 1926. 1926 1927. January 2.24 1.83 .76 2.08 February March 4.20 2.88 11.58 1.22 .92 1.82 1.71 3.98 2.01 .78 1.28 4.04 2.76 May 3.02 2.96 1.48 6.44 3.96 2.72 2.06 1.24 July 2.00 2.08 3.84 1.3 AllgUISt ... September October ... .86 1.20 1,99 .32 1.27 4.68 4.66 2.16 2.04 3.15 2.00 4.61 November 1.68 1.22 3.10 December 1.60 2.78 2.09 4.68