11
THURSDAY, DECEMBER 12, 1991
DURING THE MONTH, NO AIRCRAFT WAS
DIVERTED DUE TO INCLEMENT WEATHER. THE YELLOW FIRE DANGER WARNING WAS IN EFFECT ON NOVEMBER 2-4,
10, 11, AND 16-18, WHEREAS THE RED FIRE DANGER WARNING WAS IN FORCE ON NOVEMBER 1 AND 11-16.
WEATHER SYSTEM
SIGNALS HOISTED DURING THE MONTH WERE AS FOLLOWS:
SIGNAL
DATE AND TIME OF HOISTING
DATE AND TIME OF LOWERING
WINTER
MONSOON
STRONG MONSOON
WINTER
STRONG
MONSOON
MONSOON
WINTER
STRONG
MONSOON
MONSOON
NOVEMBER 4 5 PM
NOVEMBER 5 10.30 PM
NOVEMBER 24 7.55 AM
NOVEMBER 5 9.45 AM
NOVEMBER 6 1.15 PM
NOVEMBER 25 7.30 AM
THE MONTH'S FIGURES AND DEPARTURES FROM NORMAL WERE:
TOTAL BRIGHT SUNSHINE
MEAN DAILY GLOBAL
SOLAR RADIATION
TOTAL RAINFALL
MEAN AMOUNT OF CLOUD
MEAN RELATIVE HUMIDITY
MEAN DAILY MAXIMUM AIR
TEMPERATURE
MEAN AIR TEMPERATURE
MEAN DAILY MINIMUM AIR TEMPERATURE
MEAN DEW POINT
TOTAL EVAPORATION
177.4 HOURS; 4.1 HOURS BELOW NORMAL
12.59 MJ/SQ. M; 0.80 MJ/SQ. M BELOW NORMAL
2.7 MM; 32.4 MM BELOW NORMAL
51 PER CENT 2 PER CENT LESS THAN NORMAL
68 PER CENT 1 PER CENT LOWER THAN NORMAL
23.3 DEGREES; CELSIUS
21.0 DEGREES: CELSIUS
0.9 DEGREE CELSIUS BELOW NORMAL
0.4 DEGREE CELSIUS BELOW NORMAL
18.9 DEGREES; 0.3 DEGREE CELSIUS CELSIUS
BELOW NORMAL
14.4 DEGREES; 0.8 DEGREE CELSIUS CELSIUS
BELOW NORMAL
98.9 MM; 30.2 MM BELOW NORMAL
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