PRESS WEATHER NO. 006 - HKO READINGS & RADIATION LEVEL
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HKO READINGS & RADIATION LEVEL
DISPATCHED BY HONG KONG OBSERVATORY AT 00:15 HKT ON 05.10.2023
YESTERDAY'S WEATHER AND RADIATION LEVEL:
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HONG KONG OBSERVATORY
MAXIMUM AIR TEMPERATURE 34.6 C
MINIMUM AIR TEMPERATURE 28.3 C
GRASS MINIMUM TEMPERATURE 26.7 C
RELATIVE HUMIDITY 55 - 88 PERCENT
RAINFALL 0 MM
TOTAL RAINFALL SINCE 1ST JANUARY 2224.7 MM
AGAINST AN AVERAGE OF 2262.8 MM
OTHER STATIONS MIN MAX
KING'S PARK 27.9 C 33.6 C
WONG CHUK HANG 26.5 C 34.8 C
TA KWU LING 25.5 C 34.9 C
LAU FAU SHAN 27.5 C 34.1 C
TAI PO 27.1 C 34.4 C
SHA TIN 26.7 C 34.5 C
TUEN MUN 27.4 C 33.3 C
TSEUNG KWAN O 26.2 C 34.7 C
SAI KUNG 27.7 C 33.6 C
CHEUNG CHAU 26.7 C 35.0 C
CHEK LAP KOK 28.7 C 34.5 C
TSING YI 26.9 C 33.2 C
SHEK KONG NO DATA NO DATA
TSUEN WAN HO KOON 26.1 C 32.3 C
TSUEN WAN SHING MUN VALLEY 25.8 C 34.2 C
HONG KONG PARK 27.2 C 33.3 C
SHAU KEI WAN 27.9 C 34.7 C
KOWLOON CITY 27.5 C 34.8 C
HAPPY VALLEY 27.2 C 36.0 C
WONG TAI SIN 27.1 C 35.4 C
STANLEY 26.8 C 34.4 C
KWUN TONG 27.3 C 34.6 C
SHAM SHUI PO 27.4 C 33.8 C
KAI TAK RUNWAY PARK 28.5 C 35.5 C
YUEN LONG PARK 26.4 C 35.4 C
TAI MEI TUK 27.2 C 33.8 C
DURATION OF SUNSHINE (KING'S PARK): 8.7 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 9.
SEA SURFACE TEMPERATURE (WAGLAN ISLAND): 29.6 C
YESTERDAY'S (4 OCT 2023) 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 0.10
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 0.12
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.
5. THE RANGE OF RELATIVE HUMIDITY IN THE DAILY WEATHER SUMMARY
ORIGINATES FROM THE OBSERVER'S REPORTS OF HOURLY READINGS
OF THE DAY. THIS FOLLOWS THE LONG-TERM PRACTICE OF COLLECTING
CLIMATOLOGICAL DATA OF THE HONG KONG OBSERVATORY FOR OVER A
CENTURY. IT MAY DIFFER FROM THE RELATIVE HUMIDITY RANGE
DERIVED FROM THE 1-MINUTE REPORTS OF THE AUTOMATIC WEATHER
STATION.
DISPATCHED BY HONG KONG OBSERVATORY AT 00:15 HKT ON 05.10.2023
Ends/Thursday, October 5, 2023
Issued at HKT 0:15
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