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SUNDAY, JANUARY 11, 1981
FINE WEATHER IN DECEMBER
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LAST MONTH WAS DRIER AND SUNNIER THAN USUAL ACCORDING TO THE MONTH'S WEATHER SUMMARY ISSUED BY THE ROYAL OBSERVATORY.
DECEMBER 7 WAS THE ONLY DAY WITH MEASURABLE RAIN AT THE OBSERVATORY THE RAINFALL RECORDED AMOUNTED TO 0.7 MM, 25.2 MM BELOW NORMAL.
DECEMBER WAS ALSO SLIGHTLY WARMER THAN NORMAL, WITH 199.5 HOURS OF SUNSHINE WHICH WAS 27.6 HOURS ABOVE AVERAGE.
OWING TO THE DRY CONDITIONS, FIRE DANGER WARNINGS WERE IN EFFECT ON MOST DAYS OF THE MONTH THE YELLOW WARNING ON
EIGHT DAYS AND THE RED WARNING ON 15 DAYS.
THE WEATHER WAS FINE AND SUNNY BETWEEN DECEMBER 1 AND 6 AND THE MONTH'S MAXIMUM TEMPERATURE OF 26.0 DEGREES CELSIUS WAS RECORDED ON DECEMBER 2.
A COLD FRONT CAUSED SOME RAIN IN THE EVENING OF DECEMBER 7 AND THE WEATHER REMAINED CLOUDY THE FOLLOWING DAY.
IT WAS SUNNY AGAIN ON DECEMBER 9 AND 10, BUT THE WEATHER BECAME COOLER AND CONDITIONS WERE VERY DRY.
ANOTHER COLD FRONT PASSED ON THE NIGHT OF DECEMBER 11 AND STRONG NORTHERLY WINDS BROUGHT VERY DRY CONTINENTAL AIR.
APART FROM A TRACE CF RAIN IN THE EVENING OF DECEMBER 14, FINE AND SUNNY WEATHER PERSISTED FROM DECEMBER 13 TO 21.
WINDS TURNED NORTHERLY ON DECEMBER 22 AND CONDITIONS BECAME CLOUDY, BUT IT WAS SUNNY AGAIN THE FOLLOWING DAY.
ON DECEMBER 24, THE WEATHER BECAME COOLER AND THE TEMPERATURE FELL TO 12.1 DEGREES, WHICH WAS THE LOWEST OF THE MONTH.
CHRISTMAS DAY WAS CLOUDY WITH A TRACE OF RAIN IN THE
MORNING.
ALTHOUGH A WEAK COLD FRONT PASSED EARLY ON BOXING DAY (DECEMBER 26) AND CAUSED FRESH NORTHERLY WINDS, THE TEMPERATURE ONLY DROPPED SLIGHTLY.
CLOUDY CONDITIONS RETURNED ON DECEMBER 27 AND THERE WAS ANOTHER TRACE OF RAIN EARLY THE FOLLOWING DAY.
THE WEATHER IMPROVED DURING THE DAY AND REMAINED SUNNY UNTIL DECEMBER 30. HOWEVER, IT BECAME CLOUDY AGAIN ON THE LAST DAY OF THE MONTH.
DURING THE MONTH, ONLY ONE TROPICAL CYCLONE DEVELOPED OVER THE WESTERN NORTH PACIFIC AND THE SOUTH CHINA SEA.
IT DISSIPATED OFF THE PHILIPPINES. THE STRONG MONSOON SIGNAL WAS HOISTED ON DECEMBER 12.
NO AIRCRAFT WERE DIVERTED FROM HONG KONG DURING THE MONTH.
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