WEATHER IN MAY

Otago Daily Times, Issue 23205, 1 June 1937, Page 4

WEATHER IN MAY

RECORDINGS OF THE MONTH':' LOW SUNSHINE TOTAL A low total of sunshine and more rain than is usual characterised the month of May which ended yesterday. The rainfall totalled 3.35 inches, compared with 1.79 inches last May, 3.01 inches in May, 1935,, 2.84 inches in May, 1933, and 1.82 inches in May, 1932. The sunshine reached a total of 87 hours 10 minutes compared with 120 hours 42 minutes a year ago; and 101 ! hours 28 minutes in the preceding year. The rainfall was hot exceptional, being made .up of small daily falls. The greatest daily tote! was s6B Inches on May 23 and .60 inches on May 5. Rain fell on.. 14 days; and the average total for these days was .24 inches. There were 12 days on which no sunshine was recorded, the greatest period .i'of daily sunshine being eight hours, which was registered on May 12. From May 16 to May 24, inclusive, no sunshine was recorded at all. The highest temperature registered during .the month was 66 degrees On May B,Mind the lowest was 30 degrees on May 12. There were several occasions on which sharp frosts were experienced in • certain parts of the city, but only one such frost was noted in the city itself. Fogs were common in the mornings and evenings and overcast skys were the rule for a considerable part of the period. RAINFALL RECORDS

The following is a list of the days on which rain fell during May:—

Total rainfall for months 3.35 inches. Number of rain days: 14, Greatest fall: .68 inches.

In 1921 the total rainfall was 24,25 in, in 1923 29.87 in, In 1926 35.341 n, in 1937 38.03 m, in ]928 24.431 n, in 1929 32.7f.1n. in 1930 27.201 n, In 1981 -.51.11i0, in 1932 2E1.821n. ami In 1933, 29.0 lln. SUNSHINE RECORDS The following table shows the sunshine records for May:--

Total sunshine for month. 87hr lOmin. Number of days on which there was no sunshine, 12, Greatest period of daily sunshine. Bhr. THERMOMETER READINGS Average maximum temperature for May, 56deg. Average minimum temperature for May, 41deg. Highest temperature recorded, 66deg. Lowest temperature .recorded, 30deg. The following table gives a comparison between the temperatures for May of this year, April of this year, and

PRESSURE AND WINDS South-westerly winds prevailed at the commencement o:l! May, and pressure, was exceptionally low at that time. Towards the end of the second week of the month there were calm days, with pressure fluctuating from 29.60 in to 29.80 in. North-easterly winds were experienced from May 13 to Miiy 17, pressure being from 29.90 m to 30.35 in at this time. A fall to 29.70 m was accompanied by a change to southeasterlies, and the glass remained fairly high for the remainder of the month, though sduth-east winds were frequent In the latter part. There were several' calm'days at the end of the month, iprith pressure still higiv

May 1 .. .. ,29In May 17 .. .. .291n May 2 .. .. .141n May 18 ... .. .241n May 4 .. May 19 .. .. .981n May ;> .. .60ln May 22 .. .... .081u May 6 .. .. .0 lin May 23 .. .68ln May 11 .. .. .121n May 24 .. .. .291n May 16 .. .081n May 27 .. .. .021n

The following table gives the monthly rainfall for the past four years:— 1934 1935 1936 1937 January 3.49 2.18 1.33 3.13 February 2.37 1.79 5.77 6.19 2.13 5.68 5.77 3.13 1.86 1.05 1.40 4.64 May 5.46 3.01 1.79 3.35 1.64 3.93 ■ .77 July August 2.0 3.37 • .66 1.11 3.83 2.'4'4 September October November December 2.93 1.81 1.03 1.14 1.0 2.27 3.13 1.31 2.88 2.28 2)82 5.29 Totals 27.13 30.37 20.54

h. m. h. ni. May> 1 ’ .. 6 20 May 17 Nil May 2 .. 1 05 May 18 .. Nil May 3 .. 5 15 May 19 .. Nil May 4 .. Nil Mlay 20 ,. Nil May 5 .. 5 00 May 21 .. Nil May 6 .. 2 55 May 22 ... Nil May 7 ' .. 1 15 May 23 .. Nil May 8 .. Nil May 24 .. Nil May 9 .. 1 45 May 25 .. 5 35 May 10 .. 7 30 May 26 .. NIL May 11 ,. 3 30 May 27 .. 1 40 May 12 8 00 May 28 .. 3 25 May 13 .. 6 10 May 29 .. 5 15 May 14 .. 6 40 May 30 •. 3 15 May 15 .. 6 25 May 31 .. 4 10 May 16 . .. Nil V ■

May of last-year:— » May, Apl., May, 1937 1937, 1936 deg deg deg Average maximum temperature .. .. 56 61 55 Average minimum temperature .. 41 46 43 Highest temperature for month .... 66 75 63 Lowest temperature for month ..... .. 30 37 34