✨ Meteorological Observations
660
THE NEW ZEALAND GAZETTE.
[No. 25
Government Meteorological Observatory.
METEOROLOGICAL Observations, Wellington, for the month of January, 1921. Observations taken 9 a.m.
Altitude of Observatory, 10 ft.
| Date. | Barometer reduced and corrected in Inches to Lat. 45°. | From Self-regulating Instruments, for Twenty-four Hours previously. | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Max. Temp. in Shade. | Min. Temp. in Shade. | Mean Temp. in Shade. | Solar Radiation. | Terrestrial Radiation. | Velos. Wind, in Miles. | Amount of Cloud, 0 to 10. | Direction of Wind. | Rainfall in Points (100 to 1 Inch). | ||
| Fah. | Fah. | Fah. | Fah. | Fah. | ||||||
| 1 | 30·094 | 70·3 | 56·6 | 63·4 | 134·0 | 54·4 | 271 | 0 | S.S.W. | .. |
| 2 | 30·083 | 81·6 | 59·5 | 70·5 | 138·0 | 50·4 | 143 | 0 | N.E. | .. |
| 3 | 29·899 | 77·0 | 62·5 | 69·7 | 139·0 | 59·7 | 307 | 0 | N. | .. |
| 4 | 29·947 | 71·7 | 59·9 | 65·8 | 136·0 | 54·5 | 266 | 10 | S. | .. |
| 5 | 30·285 | 62·7 | 58·7 | 60·7 | 129·0 | 50·0 | 413 | 6 | S.S.E. | .. |
| 6 | 30·251 | 67·5 | 48·8 | 58·1 | 139·0 | 32·6 | 166 | 1 | S.E. | .. |
| 7 | 30·268 | 72·6 | 47·9 | 60·2 | 136·0 | 37·8 | 182 | 8 | S. | .. |
| 8 | 30·427 | 68·4 | 53·0 | 60·7 | 132·0 | 47·0 | 273 | 8 | S. | .. |
| 9 | 30·480 | 69·0 | 49·4 | 59·2 | 129·0 | 37·9 | 199 | 2 | S.S.W. | .. |
| 10 | 30·372 | 68·5 | 46·9 | 57·7 | 130·0 | 34·9 | 160 | 0 | S.E. | .. |
| 11 | 30·207 | 76·8 | 55·0 | 65·9 | 138·0 | 43·2 | 92 | 2 | N.N.W | .. |
| 12 | 29·974 | 73·9 | 61·9 | 67·9 | 137·0 | 59·3 | 272 | 8 | N. | .. |
| 13 | 29·773 | 72·9 | 62·0 | 67·4 | 138·0 | 59·3 | 261 | 7 | N. | 5 |
| 14 | 29·889 | 71·8 | 58·4 | 65·1 | 143·0 | 58·3 | 258 | 10 | S.S.E. | 16 |
| 15 | 29·421 | 67·0 | 57·0 | 62·0 | 138·0 | 56·1 | 223 | 10 | S. | 100 |
| 16 | 29·720 | 61·8 | 53·1 | 57·4 | 99·0 | 48·5 | 196 | 10 | S. | 14 |
| 17 | 29·717 | 63·6 | 45·3 | 54·4 | 141·0 | 36·0 | 134 | 8 | N.W. | 14 |
| 18 | 29·829 | 67·5 | 54·3 | 60·9 | 139·0 | 51·0 | 202 | 10 | S.S.E. | .. |
| 19 | 29·983 | 67·0 | 53·2 | 60·1 | 132·0 | 46·0 | 205 | 3 | N.N.E. | .. |
| 20 | 30·135 | 69·5 | 52·7 | 61·1 | 137·0 | 43·5 | 170 | 4 | S.E. | 16 |
| 21 | 30·069 | 72·5 | 56·8 | 64·6 | 145·0 | 55·1 | 145 | 10 | Calm | 20 |
| 22 | 29·983 | 62·9 | 53·1 | 58·0 | 90·0 | 48·0 | 82 | 10 | Calm | .. |
| 23 | 29·983 | 71·2 | 55·2 | 63·2 | 136·0 | 48·9 | 99 | 8 | Calm | 3 |
| 24 | 29·981 | 72·2 | 50·2 | 61·2 | 145·0 | 41·2 | 47 | 2 | E. | .. |
| 25 | 29·950 | 74·2 | 56·2 | 65·2 | 137·0 | 45·0 | 132 | 10 | N.W. | .. |
| 26 | 30·031 | 68·3 | 54·2 | 61·2 | 122·0 | 47·0 | 173 | 2 | S.S.E. | .. |
| 27 | 29·968 | 74·9 | 60·7 | 67·8 | 135·0 | 57·2 | 266 | 6 | N.N.W | 31 |
| 28 | 30·071 | 67·6 | 56·4 | 62·0 | 140·0 | 56·1 | 205 | 10 | Calm | .. |
| 29 | 29·759 | 67·6 | 58·3 | 62·9 | 122·0 | 55·8 | 167 | 2 | N.W. | 30 |
| 30 | 30·028 | 72·2 | 49·2 | 60·7 | 135·0 | 48·5 | 443 | 10 | S.S.W. | 51 |
| 31 | 30·000 | 59·0 | 48·1 | 53·5 | 131·0 | 47·1 | 375 | 10 | S.S.E. | 28 |
| * | 30·019 | 69·8 | 54·7 | 62·2 | 133·0 | 48·7 | 211 | 6·0 | .. | 314 |
| † | 29·899 | 69·4 | 55·8 | 62·6 | 126·1 | 48·6 | 256 | .. | .. | 328 |
- Means, &c.
† Means previous years.
DIRECTION OF WIND.
N. N.E. E. S.E. S. S.W. W. N.W. Calm.
6 | 1 | 1 | 3 | 13 | .. | .. | 3 | 4
NOTE.—The rainfall for the month of January was 4 per cent. below the mean of previous years, and fell between the 13th and 31st, the earlier part of the month being given over to fine warm weather. Total bright sunshine 239 hours 26 minutes, and one sunless day, giving an average of 7 hours 43 minutes per diem. Mean earth-temperature at 1 ft. was 68·2°, and 65·6° at 3 ft. Mean dew-point, 52·2°; mean elastic force of vapour, 0·391 in.; and mean relative humidity, 70 per cent. of saturation.
CLIMATOLOGICAL TABLE.
MEANS AND TOTALS FROM THE CHIEF STATIONS.
January, 1921.
| Altitude above Sea-level. | Name of Station and Observer. | Absolute Mean Temp. Air in Shade. | Extremes. | Total Rainfall (100 Points to the Inch). | Days with Rain (½ Point or more). | |
|---|---|---|---|---|---|---|
| Mean Max. Temp. | Mean Min. Temp. | |||||
| Ft. | Deg. | Deg. | Deg. | Points. | Dys. | |
| 125 | NORTH ISLAND. AUCKLAND F. A. F. Burnett | 65·4 | 71·4 | 59·4 | 307 | 9 |
| 46 | TE AROHA .. G. F. McGirr | 64·9 | 76·3 | 53·5 | 346 | 7 |
| 925 | ROTORUA .. G. J. O'Brien | 62·4 | 73·9 | 50·9 | 406 | 7 |
| 340 | WAIHI .. C. F. Sims | 64·5 | 74·6 | 54·5 | 360 | 18 |
| .. | TAURANGA .. C. J. Butcher | 62·2 | 72·7 | 51·8 | 356 | 7 |
| 160 | NEW PLYMOUTH | .. | .. | .. | .. | .. |
| 250 | MOUMAHA KI J. G. McFarlane | 63·1 | 73·0 | 53·3 | 269 | 6 |
| 2080 | TAIHAPE .. A. R. Fannin | 59·6 | 69·8 | 49·4 | 219 | 10 |
| 100 | PALMERSTON NORTH.. J. A. Colquhoun | 62·9 | 75·0 | 50·8 | 165 | 7 |
| 119 | CENTRAL DEVELOPMENT FARM, WERAROA J. Beverley | 60·7 | 71·3 | 50·2 | 229 | 8 |
| 186 | GREYTOWN J. P. Eccleton | 62·7 | 74·6 | 50·9 | 414 | 10 |
| 377 | MASTER TON R. Brown | 62·7 | 75·5 | 50·0 | 232 | 11 |
| 70 | GREENMEADOWS, NA- PIER T. B. McBreen | 63·6 | 72·5 | 54·7 | 111 | .. |
| .. | TRENTHAM MILITARY HOSPITAL | 57·1 | 65·3 | 48·9 | 224 | 8 |
| 10 | WELLINGTON | 62·2 | 69·8 | 54·7 | 314 | 11 |
| SOUTH ISLAND. BRIGHTWATER Ven. Archdeacon Kemthorne | 63·7 | 73·6 | 53·8 | 206 | 9 | |
| 34 | NELSON .. Wm. C. Davies | 62·6 | 71·3 | 53·9 | 212 | 9 |
| 1220 | HANMER SPA L. Bayfield | 59·7 | 71·1 | 48·3 | 440 | 13 |
| 25 | CHRISTCHURCH H. F. Skey | 60·0 | 68·1 | 52·0 | 462 | 15 |
| 42 | LINCOLN .. L. J. Wild | .. | .. | .. | .. | .. |
| 1220 | KISSELTON .. A. R. Blackwood | 60·4 | 71·0 | 49·8 | 263 | 9 |
| .. | RAKAIA .. Miss A. Hardy | 60·5 | 71·6 | 49·4 | 374 | 14 |
| 180 | TIMARU .. Caretaker of Domain | 60·6 | 70·0 | 51·3 | 296 | 15 |
| 200 | WAIMATE .. F. Akhurst | 59·4 | 68·3 | 50·6 | 310 | 15 |
| 300 | DUNEDIN .. D. Tannock | 57·9 | 67·2 | 48·6 | 247 | 13 |
| 245 | GORE .. A. T. Newman | 56·8 | 69·4 | 44·2 | 202 | 13 |
| 12 | HOKITIKA .. J. A. Chesney | 59·0 | 66·3 | 51·8 | 360 | 12 |
| 12 | INVERCARGILL L. Lennie | 57·8 | 70·8 | 44·9 | 261 | 13 |
SUMMARY FOR THE MONTH OF JANUARY, 1921.
Anticyclonic influences were predominant during the first portion of the month, and fine and warm weather was experienced generally. The warmest day was the 3rd, when maximum shade temperatures of over 90° Fahr. were recorded in Canterbury. At Ashburton as high as 100° Fahr. was reported.
A westerly low-pressure passed in the South on the 13th, and was followed by an ex-tropical cyclone. The centre of the latter reached Cape Maria van Diemen on the morning of the 15th, and apparently passed in the neighbourhood of Cook Strait the same night. Good general rains occurred at this time.
The last half of the month proved changeable, with frequent showers.
On the night of the 29th a secondary “low” developed considerable intensity between the East Coast of the South Island and Chatham Island, and accounted for south-west gales and heavy seas along the east coast south of East Cape.
The total rainfall was much above the average in Canterbury and in parts of the Auckland peninsula, but elsewhere it was below.
D. C. BATES, Director.
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NZ Gazette 1921, No 25
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NZ Gazette 1921, No 25
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🏗️ Meteorological Observations for Wellington, January 1921
🏗️ Infrastructure & Public WorksWeather, Temperature, Rainfall, Wind, Wellington
- D. C. Bates, Director