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PRESS WEATHER NO. 006 - HKO READINGS & RADIATION LEVEL
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HKO READINGS & RADIATION LEVEL

YESTERDAY'S WEATHER AND RADIATION LEVEL:
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HONG KONG OBSERVATORY
MAXIMUM AIR TEMPERATURE 23.2 C
MINIMUM AIR TEMPERATURE 15.8 C
GRASS MINIMUM TEMPERATURE 14.6 C
RELATIVE HUMIDITY 56 - 81 PERCENT
RAINFALL 0.0 MM
TOTAL RAINFALL SINCE 1ST JANUARY 66.7 MM
AGAINST AN AVERAGE OF 77.3 MM
 
OTHER STATIONS MIN MAX
KING'S PARK 15.0 C 24.0 C
WONG CHUK HANG 15.8 C 23.2 C
TA KWU LING 13.0 C 24.8 C
LAU FAU SHAN 13.6 C 20.8 C
TAI PO 14.6 C 22.0 C
SHA TIN 15.0 C 23.6 C
TUEN MUN NO DATA NO DATA
TSEUNG KWAN O 14.1 C 23.1 C
SAI KUNG 14.7 C 19.8 C
CHEUNG CHAU 15.0 C 21.1 C
CHEK LAP KOK 16.3 C 22.5 C
TSING YI 15.8 C 23.1 C
SHEK KONG 15.3 C 25.0 C
TSUEN WAN HO KOON 13.9 C 22.7 C
TSUEN WAN SHING MUN VALLEY 15.1 C 24.1 C
HONG KONG PARK 15.5 C 22.7 C
SHAU KEI WAN 14.5 C 20.6 C
KOWLOON CITY 15.0 C 24.0 C
HAPPY VALLEY 15.6 C 25.1 C
WONG TAI SIN 15.1 C 23.9 C
STANLEY 14.9 C 20.7 C
KWUN TONG 14.4 C 23.0 C
SHAM SHUI PO 15.3 C 22.6 C
KAI TAK RUNWAY PARK 15.6 C 21.1 C
YUEN LONG PARK 14.0 C 24.9 C
TAI MEI TUK 14.1 C 23.7 C
 
DURATION OF SUNSHINE (KING'S PARK): 8.5 H
 
THE MEAN UV INDEX RECORDED AT KING'S PARK YESTERDAY WAS 4,
THE UV INTENSITY WAS MODERATE.
THE MAXIMUM UV INDEX FOR YESTERDAY WAS 8.
SEA SURFACE TEMPERATURE (WAGLAN ISLAND): 16.8 C
 
YESTERDAY'S (27 FEB 2018) AVERAGE AMBIENT GAMMA RADIATION
DOSE RATE TAKEN OUTDOORS IN HONG KONG RANGED FROM 0.08 TO
0.15 MICROSIEVERT PER HOUR. THESE ARE WITHIN THE NORMAL
RANGE OF FLUCTUATION OF THE BACKGROUND RADIATION LEVEL IN
HONG KONG (SEE NOTE). THE AVERAGE DOSE RATES MEASURED AT
THE RADIATION MONITORING STATIONS OVER VARIOUS PARTS OF THE
TERRITORY WERE AS FOLLOWS :
 
STATION YESTERDAY'S AVERAGE
(MICROSIEVERT/HOUR)
PING CHAU 0.08
TAP MUN 0.09
KAT O 0.10
YUEN NG FAN 0.12
TAI MEI TUK 0.12
SHA TAU KOK 0.10
KWUN TONG 0.12
SAI WAN HO 0.09
KING'S PARK 0.15
TSIM BEI TSUI 0.13
CAPE D'AGUILAR 0.13
CHEK LAP KOK 0.15

 
NOTE
1. FROM READINGS TAKEN AT VARIOUS LOCATIONS IN HONG KONG IN THE
PAST, THE HOURLY MEAN AMBIENT GAMMA RADIATION DOSE RATE MAY
VARY BETWEEN 0.06 AND 0.3 MICROSIEVERT PER HOUR.
(1 MICROSIEVERT = 0.000001 SIEVERT = 0.001 MILLISIEVERT)
 
2. TEMPORAL VARIATIONS ARE GENERALLY CAUSED BY CHANGES IN
METEOROLOGICAL CONDITIONS SUCH AS RAINFALL, WIND AND
BAROMETRIC PRESSURE.
 
3. SPATIAL VARIATIONS ARE GENERALLY CAUSED BY DIFFERENCES IN
THE RADIOACTIVE CONTENT OF LOCAL ROCK AND SOIL.
 
4. THE DATA DISPLAYED IS PROVISIONAL. ONLY LIMITED DATA
VALIDATION HAS BEEN CARRIED OUT.


DISPATCHED BY HONG KONG OBSERVATORY AT 00:15 HKT ON 28.02.2018

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