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PRESS WEATHER NO. 008 - 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 26.3 C
MINIMUM AIR TEMPERATURE 19.6 C
GRASS MINIMUM TEMPERATURE 16.4 C
RELATIVE HUMIDITY 47 - 82 PERCENT
RAINFALL 0 MM
TOTAL RAINFALL SINCE 1ST JANUARY 2382.7 MM
AGAINST AN AVERAGE OF 2364.9 MM
 
OTHER STATIONS MIN MAX
KING'S PARK 19.0 C 26.3 C
WONG CHUK HANG 16.3 C 25.5 C
TA KWU LING 12.4 C 28.8 C
LAU FAU SHAN 16.9 C 26.1 C
TAI PO 16.3 C 27.4 C
SHA TIN 15.2 C 27.4 C
TUEN MUN 17.7 C 28.7 C
TSEUNG KWAN O 15.6 C 27.9 C
SAI KUNG 18.3 C 25.2 C
CHEUNG CHAU 17.8 C 27.9 C
CHEK LAP KOK 18.6 C 26.6 C
TSING YI 17.1 C 27.6 C
SHEK KONG 14.2 C 28.7 C
TSUEN WAN HO KOON 15.6 C 26.4 C
TSUEN WAN SHING MUN VALLEY 15.3 C 28.8 C
HONG KONG PARK NO DATA NO DATA
SHAU KEI WAN 18.6 C 27.0 C
KOWLOON CITY 18.8 C 29.0 C
HAPPY VALLEY 16.8 C 27.5 C
WONG TAI SIN 17.9 C 28.2 C
STANLEY 18.3 C 26.5 C
KWUN TONG 18.6 C 27.8 C
SHAM SHUI PO 17.0 C 28.5 C
KAI TAK RUNWAY PARK 19.0 C 26.7 C
YUEN LONG PARK 14.8 C 29.0 C
TAI MEI TUK 17.2 C 28.5 C
 
DURATION OF SUNSHINE (KING'S PARK): 10.0 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 6.
SEA SURFACE TEMPERATURE (WAGLAN ISLAND): NO DATA
 
YESTERDAY'S (22 NOV 2019) 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 0.11
YUEN NG FAN 0.12
TAI MEI TUK 0.12
SHA TAU KOK 0.10
KWUN TONG 0.13
SAI WAN HO 0.10
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 00:17 HKT ON 23.11.2019

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