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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 27.4 C
MINIMUM AIR TEMPERATURE 22.6 C
GRASS MINIMUM TEMPERATURE 19.6 C
RELATIVE HUMIDITY 29 - 67 PERCENT
RAINFALL 0 MM
TOTAL RAINFALL SINCE 1ST JANUARY 2077.6 MM
AGAINST AN AVERAGE OF 2334.6 MM
 
OTHER STATIONS MIN MAX
KING'S PARK 21.7 C 27.0 C
WONG CHUK HANG 22.2 C 28.3 C
TA KWU LING 21.1 C 27.2 C
LAU FAU SHAN 20.8 C 27.0 C
TAI PO 20.8 C 26.6 C
SHA TIN 21.9 C 27.2 C
TUEN MUN 22.0 C 27.6 C
TSEUNG KWAN O 21.8 C 28.4 C
SAI KUNG 21.7 C 25.7 C
CHEUNG CHAU 21.0 C 29.4 C
CHEK LAP KOK 21.9 C 28.6 C
TSING YI 22.1 C 27.4 C
SHEK KONG 20.7 C 27.5 C
TSUEN WAN HO KOON 20.2 C 25.6 C
TSUEN WAN SHING MUN VALLEY 21.8 C 28.1 C
HONG KONG PARK 22.5 C 27.6 C
SHAU KEI WAN 22.0 C 28.8 C
KOWLOON CITY 21.2 C 26.7 C
HAPPY VALLEY 22.7 C 28.8 C
WONG TAI SIN 21.5 C 27.7 C
STANLEY 22.6 C 28.3 C
KWUN TONG 21.8 C 27.7 C
SHAM SHUI PO 22.0 C 28.8 C
KAI TAK RUNWAY PARK 22.1 C 28.2 C
YUEN LONG PARK 21.1 C 28.4 C
TAI MEI TUK 19.3 C 27.4 C
 
DURATION OF SUNSHINE (KING'S PARK): 7.0 H
 
THE MEAN UV INDEX RECORDED AT KING'S PARK YESTERDAY WAS 3,
THE UV INTENSITY WAS MODERATE.
THE MAXIMUM UV INDEX FOR YESTERDAY WAS 7.
SEA SURFACE TEMPERATURE (WAGLAN ISLAND): NO DATA
 
YESTERDAY'S (1 NOV 2018) AVERAGE AMBIENT GAMMA RADIATION
DOSE RATE TAKEN OUTDOORS IN HONG KONG RANGED FROM 0.09 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 0.09
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 0.13
SAI WAN HO 0.09
KING'S PARK 0.15
TSIM BEI TSUI 0.13
CAPE D'AGUILAR 0.13
CHEK LAP KOK 0.14

 
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 00:16 HKT ON 02.11.2018

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