י
THURSDAY, FEBRUARY 24, 1983
7 -
A MINIMUM TEMPERATURE OF 3.9 DEGREES CELSIUS WAS RECORDED AT SHEUNG SHUI FARM ON JANUARY 26 AND FROST WAS REPORTED AT SAI KUNG AND TAI LUNG FARMS.
THERE WERE SUNNY PERIODS ON JANUARY 27 BUT MOIST EASTERLY WINDS BROUGHT SOME RAIN ON JANUARY 28 AND 29.
COASTAL FOG DEVELOPED ON JANUARY 29 AND SPREAD INTO VICTORIA HARBOUR THE FOLLOWING TWO DAYS, THE VISIBILITY AT THE ROYAL OBSERVATORY WAS REDUCED TO 200 METRES BETWEEN 1 AND 3 AM ON JANUARY 31.
EASTERLY WINDS STRENGTHENED LATER IN THE MORNING OF JANUARY 31 BUT MISTY CONDITIONS PERSISTED THROUGHOUT THE DAY AND COASTAL FOG APPEARED AGAIN AT NIGHT.
DURING THE MONTH TWO AIRCRAFT WERE DIVERTED FROM HONG KONG BECAUSE OF FOG.
THE YELLOW FIRE DANGER WARNING WAS ISSUED ON JANUARY 1-3, 8-9, 13, 15-16, 19-20, 23-24 AND 26-28 WHILE THE RED FIRE DANGER WARNING WAS EFFECTIVE ON JANUARY 3, 21-23 AND 24-26.
A FROST WARNING WAS ISSUED ON JANUARY 22.
SIGNALS HOISTED DURING THE MONTH WERE AS FOLLOWS:
WEATHER SYSTEM
SIGNAL
DATE AND TIME OF HOISTING
DATE AND TIME OF LOWERING
WINTER MONSOON STRONG MONSOON
JAN 3 (11.10 PM)
JAN 4 (9.45 AM)
JAN 19 (9.30 AM)
JAN 31 (10.30 AM)
JAN 4 (5.40 AM)
JAN 4 (7.05 PM)
JAN 20 (7.30 AM)
FEB 1 (6.10 AM)
THE MONTH'S FIGURES AND DEPARTURES FROM NORMAL WERE:
SUNSHINE
RAINFALL
CLOUD INESS
RELATIVE HUMIDITY
MEAN MAXIMUM
TEMPERATURE
MEAN TEMPERATURE
75.0 HOURS 1 78.5 HOURS BELOW NORMAL
76.3 MM 1 49.4 ABOVE NORMAL
79 PER CENT 20 PER CENT MORE THAN NORMAL
77 PER CENT 1 6 PER CENT HIGHER THAN NORMAL
17.1 DEGREES CELSIUS: 1,6 DEGREES
CELSIUS BELOW NORMAL
15.0 DEGREES CELSIUS 0.6 DEGREE
CELSIUS BELOW NORMAL
/MOAN MINIMUM