WEATHER SUMMARY.

Otago Witness, Issue 3804, 8 February 1927, Page 60

WEATHER SUMMARY.

THE MONTH OF JANUARY. AN AVERAGE RAINALL. For the first month of the year ah average rainfall was recorded in Dunedin. Records compiled at- the Musselburgh pumping station show that the total rainfall for January was 2.35 in. The falls, which were very light, with three or four exceptions, occurred on 14 days of the month, so that 1 days were devoid of moisture. In the first week of the month the falls were fairly widely spaced, but rain fell every day froth January 13 to January 17. The heavier tall was recorded on January 23, when the pumping station instruments registered 1.16111. rhe second heaviest fall was on January and the third heaviest on January 15. The number of wet days was nr! aS r V.' at recor d<’d in" Janudur’inL bU ! he fal l Wa T s s,i BlHly heavier during the past month. In January, 1925 there were only five wet days, and the fall dnr I „ ha i t Q9 I ? O ’L th - Was > the recorded since 1922. being only ,76m. Rain fell on 14 days m January, 1924, but it was light was 3 l 83°n ”Th the total fall th \ lhe . fail recor ded during durfn? Jhl Past month was the second heaivest ‘o- the month of January since 1922 lhe following table shows the days on rJ’.Sda'*'"-''" d, ' ri " e tI " S -o-'h

The past month has been notable for the large number of very hot days. Without ?"a e rm eX H Pt ’° n day was remarkably "arm, the conditions on at least 10 days a thos e experienced in Auckland in mid-summer. The marked nse , ’9 the temperature, however, is expected at this season o f the year. The hottest day was recorded on January 18 when the> mercury rose to 81 degrees;* This was the- hottest day experienced in. 'Dunedin for several seasons past. Two very hot i 6 ,"n ere ? lso experienced on January io and "hen the thermometer readings were <9 degrees (m&xitnum) and 58 degrees (minimum). On January .25 the maximum reading was /8 degrees, on January 26 71 degrees, on January 28 72 degrees, 'and on January 30 7< degrees. Between January a) and in the maximum readings were 67 degrees. From January 1 to 10 the cury rose to an' average of 66 degrees (maximum). On January 11 the maximum reading 75 degrees. The barometer readings varied somewhat during ’ month. During the first 12 days the mercury hovered between 30.05 and' 29.50. It showed little .movement during the next four days, but on January 17 the reading at 5 p.rn. was 30 07. The barometer remained fairly steady until January 25 the reading on that day being 29.91. * It’rose to 30.00 on the following day, and to 30.04 on January 27. The mercury fell steadily again during the last four* days of the month, the reading at 5 p.m. on January 30 being 29.65. The highest readings were recorded on January 9, the mercury standing at, 30.35 at 8 a.mj, and 30.37 at 5 p.m. The lowest reading was registered on January 13; On that day the mercury stood at 29.36 at 8 a.m., and 29.42 at 5 p.m.

CENTRAL OTAGO. OPHIR. February 1. The report of the Ophir iheteorological station for the month of January is as follows: —•' ■ Average -reading of barometer at 9 a.m., 29.99 in; highest (on 7th and 9th)., 30.44 in; lowest (on 13th)., 29.40 in; extreme range, 1.02 in. Average shade temperature at 9 a.m., 64.2 deg (December, 58.9 deg) ; highest (19th), 75.6 deg; lowest (13th), 44,0 deg. Dry bulb temperature in shade:.' Average maximum, 74.6 deg (1926, 73.2 deg) ; average minimum. 49.1 deg (1926, 48.9 deg); mean for the month, 61.9 deg (December, 56.8 deg). ■- The extreme maximum was 85.2dcg on the afternoon of the 27th (1926, 85.8 deg on the sth). Extreme minimum, 36.0 deg on the morning of the 14th. Wet bulb readings: Average maximum, 60.2 deg; average minimum, 46.1 deg; mean, 53.1 deg; average humility, (daytime). 38 per cent, of saturation,. . Maximum temperature in sun: Average, 104.8 deg (December, 96.4 deg): highest, 132.6 deg on the afternoon of 27th; lowest, 76.7 deg on. 16th. Over lOOdeg Fah. was . recorded on 22 days. Minimum ground temperature: Average, 39.2 deg (December, 35.8 deg) j lowest, 25.5 deg on the 14th; below freezing, nine nights. Average clearness of sky: 9 a.m., 62 per cent.; 10 p.m., 53 per cent. ' Recorded at 9 a.m., 20 days were calm, 7 days N.W., 2 days N., 1 day W., and 1 S.W. No high winds occurred during the month. The rainfall was as follows:—2nd, 2 points; 4th, 4 points; sth, 7 points; 13th, 11 points; 16th, 9 points; 22nd. 85 points; 23rd, 10 points; 30th, 1 point; 31st, 8 points. Total, 1.37 in, on nine days. January,- 1924,-1.04in; 1925, .89in; 1926, 1.93 in. The conditions during the month were about normal for midsummer, with rather cool ground temperature for the first half, .when it fell below freezing point on eight night out of 17. Extreme day-and-night ranges of temperature occurred as fol- : lows:— 21st,' morning 27.8 deg, afternoon 7 124 deg, equal to 96,2 deg; 27th, morning' •40.3 deg afternoon 132.6 deg, equal ' to 92.3 deg; 7th, morning 29.8 deg, afternoon 122 deg, equal' to 92.2 deg; 17th, morning

29.8 deg, afternoon 121 deg, equal to yl.2deg. APIA OBSERVATORY. SAMOA. NOVEMBER. A verage atmospheric pressure, 29.82 in; highest, 29.93 i n; lowest, 29.69iti. Average maximum temperature, 85.3 deg; aveiage minimum, 75deg; the approximate inea.n, 79.61 deg, an average daily excess of .82 deg as compared with the normal r o? OVembe 3' The hi ghest readift? waa °7.Bdeg on November 19, and the lowest 72.3 deg on the Bth. Mean realtive humidity: 7 a.m., 89.3; 2 p.m., 78.8; 9 p.m., 89.8 per cent, of saturation. Total bright sunshine, 176.6 hours. Eleven days were clear, 13 were partly cloudy, and six cloudy. Lightning accompanied by thunder occurred on 13 days. The rainfall measured 14.2 inches, which fell upon 24 days. The greatest fall was 2.34 inches on the 25th. This was 6.21 inches above the normal for November, which is 7.99 inches. The accumulated deficiency since January 1 was thus reduced to 10.57 inches. DECEMBER. Average atmospheric pressure, 29.82 in; highest, 29.96 in; lowest, 29.66 in. Average maximum temperature, 84.Edeg; average minimum, 74.9 deg; the approximate mean, 79 48dcg; an average daily excess of .23 deg above normal for the month. The accumulated excess for the year amounted to 422.18dcg for the year. The highest reading was 88.5 deg on the 29(h, and the lowest 72.5 deg on the 10th. Mean relative humidity: 7 a.m., 81:8; 2 p.m., 80.9; 9 p.rn., 88.1 per cent, of saturation. Total bright sunshine, 174.7 hours. Fourteen days were clear, six partly cloudv, and H cloudv. There were two lunar rainbows and two days with lightning accompanied by thunder. The rainfall measured 21.87 inches, which fell unon 22 days. The greatest falls were as follows: —l4th. 5.38 in : Ist, 3.70 in ; 16th, 3.60 in; 31st. 2.58 in; 12th, 2.38 in. The excess beyond normal for December was 8.25 inches. The aocumlated deficiency for the year 3.62 inches.

January 2 Inches. ... .02 January In 14 ches. January January January January 3 5 6 7 ... .04 January ... .15 January ... .16 January ... .03 January 15 ... 16 ... 17 ... 20 .17 .09 .ud January January 9 13 ... .10 January ... ,02 January 23 ... 24 ... 1'10 ..1R a he following table rainfall figures for the (rives t past fi he monthly vo years: — January February. 1023. 1924. 2.24. 1.83 4.20 1 So 1925. .7G 1926. 2.08 1927. 2.35 March April May June July 2.88 .92 11.58 1.82 3.02 2.96 3.96 2.72 2.00 2.08 3.96 2.01 1.48 2.06 3 84 5.7 .78 1.28 5.44 1.24 August .. September October .. Novem tier December ■86 .32 1-20. 1.27 1.99 4.68 1.68 . 1.22 1-60 2.76 4.66 2.16 2.04 3.10 2.09 3.15 2.00 4.51 3.18 4.68 Annual 37.21 24.25 29.37 35.34