XN000022-1990-02-11 — Page 9

SUNDAY, FEBRUARY 11, 1990

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CLOUDY AND HUMID IN JANUARY

* * * * *

JANUARY 1990 WAS GENERALLY CLOUDY AND HUMID, ACCORDING ROYAL OBSERVATORY'S MONTHLY REPORT RELEASED TODAY (SUNDAY).

ΤΟ THE

THE MONTHLY MEAN RELATIVE HUMIDITY WAS 82 PER THE EIGHTH HIGHEST ON RECORD FOR JANUARY.

CENT

WHICH WAS

THERE WERE ONLY SEVEN DAYS IN THE MONTH WITH NO RAIN RECORDED AT THE ROYAL OBSERVATORY. THE TOTAL RAINFALL FOR THE MONTH AMOUNTED TO 47.5 MILLIMETRES WHICH WAS 77 PER CENT FIGURE OF 26.9 MILLIMETRES.

ABOVE

THE

NORMAL

JANUARY

LIGHT THE NEW YEAR BEGAN WITH SOME

RAIN ON THE MORNING OF JANUARY 1. MORE RAIN FELL ON THE MORNING OF JANUARY 2 AS THE NORTHERLY WINDS FRESHENED.

THE RAIN STOPPED FOR THE NEXT COUPLE OF DAYS BUT CONDITIONS REMAINED CLOUDY AND COOL AS FRESH EASTERLIES REPLACED THE NORTHERLIES.

5 AND SOME DRIZZLE RETURNED FOR TWO CONSECUTIVE NIGHTS ON JANUARY BUT THERE WERE ALSO PERIODS OF SUNSHINE DURING THE DAY.

6

THE CLOUDS BROKE ON JANUARY 7. AND GENERALLY FINE WEATHER PERSISTED TILL JANUARY 12. ALTHOUGH THERE WAS OCCASIONAL FRESHENING OF THE EASTERLIES, RELATIVELY WARM CONDITIONS PREVAILED AND THE MAXIMUM TEMPERATURE OF 22.1 DEGREES ON JANUARY 10 MADE IT THE WARMEST DAY OF THE MONTH.

AT TIMES, FRESHENING EASTERLIES MIXED WITH MOIST AIR SOUTH GAVE RISE TO PATCHES OF MIST OFFSHORE.

FROM THE

FOG

ON

THE

VISIBILITY WAS WORST ON THE AFTERNOON OF JANUARY 10 WITH REPORTED AT WAGLAN ISLAND. AND MIST WAS MOST WIDESPREAD MORNING OF JANUARY 12.

THE CLOUDS ASSOCIATED WITH AN APPROACHING TROUGH BROUGHT AN END TO THE FINE SPELL ON JANUARY 13.

FROM THEN, THE WEATHER WAS DOMINATED BY THE WINTER MONSOON. CONDITIONS WERE GENERALLY CLOUDY WITH LIGHT RAIN OCCURRING MAINLY AT NIGHT AND IN THE MORNING.

A COLD FRONT CROSSED THE SOUTH CHINA COAST DURING THE DAY ON JANUARY 15 AND BROUGHT STRONG NORTHERLY WINDS.

COLD SURGE WAS FOLLOWED BY A REPLENISHMENT ON THE MORNING OF JANUARY 19.

THIS

ON BOTH OCCASIONS, THE ARRIVAL OF COLD AIR WAS ACCOMPANIED BY RAIN. TEMPERATURES WERE BROUGHT TO A LOWER LEVEL WITH EACH COLD SNAP.

22.

JANUARY

CAUSED THE

A MORE INTENSE REPLENISHMENT ARRIVED EARLY ON FURTHER STRENGTHENING OF THE NORTHERLIES DURING THE NIGHT TEMPERATURE TO PLUNGE BELOW 10 DEGREES FOR THE FIRST TIME THIS WINTER ON THE MORNING OF JANUARY 23.

/THE NORTHERLIES