WEATHER SYSTEM
SATURDAY, AUGUST 10, 1991
SIGNALS HOISTED DURING THE MONTH WERE AS FOLLOWS:
SIGNAL
DATE & TIME OF
HOISTING
DATE & TIME OF
LOWERING
TYPHOON ZEKE
1
3
12 JULY 8.50 AM 12 JULY 10.40 PM
TYPHOON AMY
1
3
18 JULY 10.45 PM 19 JULY 11.10 AM
TYPHOON BRENDAN
1
3
8
NE
8 SE
24 JULY
3
22 JULY 10.10 PM 23 JULY 10.00 AM 23 JULY 9.00 PM 3.20 AM 24 JULY 10.00 AM
12 JULY 10.40 PM 13 JULY 7.10 AM
19 JULY 11.10 AM 20 JULY 10.10 AM
23 JULY 10.00 AM 23 JULY 9.00 PM 24 JULY 3.20 AM 24 JULY 10.00 AM 24 JULY 3.10 PM
THE MONTH'S FIGURES AND DEPARTURES FROM NORMAL WERE:
TOTAL BRIGHT SUNSHINE
MEAN DAILY GLOBAL
SOLAR RADIATION
208.0 HOURS; 23.1 HOURS BELOW NORMAL
16.58 MJ/SQ.M.; 2.57 MJ/SQ.M. BELOW
NORMAL
293.6 MM 29.9 MM BELOW NORMAL
70% : 5% MORE THAN NORMAL
TOTAL RAINFALL
MEAN AMOUNT OF CLOUD
MEAN RELATIVE HUMIDITY
MEAN DAILY MAXIMUM
AIR TEMPERATURE
MEAN AIR TEMPERATURE
80% NORMAL
31.3 DEGREES CELSIUS: 0.2 DEGREE CELSIUS
BELOW NORMAL
28.9 DEGREES CELSIUS; 0.1 DEGREE CELSIUS
ABOVE NORMAL
MEAN DAILY MINIMUM
AIR TEMPERATURE
MEAN DEW POINT
TOTAL EVAPORATION
26.8 DEGREES CELSIUS ; 0.2 DEGREE CELSIUS
ABOVE NORMAL
24.9 DEGREES CELSIUS; NORMAL
145.6 MM ; 26.0 MM BELOW NORMAL
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