PRESS WEATHER NO. 004 - HKO READINGS & RADIATION LEVEL
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HKO READINGS & RADIATION LEVEL
DISPATCHED BY HONG KONG OBSERVATORY AT 00:15 HKT ON 29.03.2021
YESTERDAY'S WEATHER AND RADIATION LEVEL:
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HONG KONG OBSERVATORY
MAXIMUM AIR TEMPERATURE 28.1 C
MINIMUM AIR TEMPERATURE 22.6 C
GRASS MINIMUM TEMPERATURE 20.4 C
RELATIVE HUMIDITY 65 - 91 PERCENT
RAINFALL 0 MM
TOTAL RAINFALL SINCE 1ST JANUARY 65.6 MM
AGAINST AN AVERAGE OF 127.7 MM
OTHER STATIONS MIN MAX
KING'S PARK 22.1 C 28.2 C
WONG CHUK HANG 21.0 C 27.6 C
TA KWU LING 19.5 C 30.5 C
LAU FAU SHAN 21.8 C 28.6 C
TAI PO 20.9 C 29.5 C
SHA TIN 20.7 C 28.9 C
TUEN MUN 21.9 C 28.8 C
TSEUNG KWAN O 20.8 C 29.4 C
SAI KUNG 20.9 C 29.1 C
CHEUNG CHAU 20.8 C 29.2 C
CHEK LAP KOK 22.6 C 29.6 C
TSING YI 21.4 C 27.8 C
SHEK KONG 20.4 C 30.5 C
TSUEN WAN HO KOON 20.2 C 27.7 C
TSUEN WAN SHING MUN VALLEY 20.4 C 29.1 C
HONG KONG PARK NO DATA NO DATA
SHAU KEI WAN 21.5 C 29.1 C
KOWLOON CITY 21.8 C 29.6 C
HAPPY VALLEY 21.5 C 29.5 C
WONG TAI SIN 21.8 C 29.0 C
STANLEY 21.2 C 26.8 C
KWUN TONG 21.7 C 29.5 C
SHAM SHUI PO 22.0 C 28.7 C
KAI TAK RUNWAY PARK 21.8 C 29.6 C
YUEN LONG PARK 21.5 C 30.2 C
TAI MEI TUK 21.1 C 32.3 C
DURATION OF SUNSHINE (KING'S PARK): 8.0 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 (28 MAR 2021) 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 0.11
SHA TAU KOK 0.10
KWUN TONG 0.12
SAI WAN HO 0.09
KING'S PARK 0.14
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 29.03.2021
Ends/Monday, March 29, 2021
Issued at HKT 0:15
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