WEATHER
SYSTEM
12
SUNDAY, MARCH 11, 1990
SIGNALS HOISTED DURING THE MONTH WERE AS FOLLOWS:
SIGNAL
DATE AND TIME
OF HOISTING
DATE AND TIME OF LOWERING
WINTER
STRONG
JANUARY 31
6.20 PM
FEBRUARY 1
8.45 AM
MONSOON
MONSOON
WINTER
STRONG
FEBRUARY 9
7.05 AM
FEBRUARY 9
10.15 AM
MONSOON
MONSOON
WINTER
STRONG
FEBRUARY 16
11 PM
FEBRUARY 17
3 PM
MONSOON
MONSOON
WINTER
STRONG
FEBRUARY 20
4.40 AM
FEBRUARY 20
10.15 AM
MONSOON
MONSOON
WINTER
STRONG
FEBRUARY 27
5 AM
FEBRUARY 28
5 AM
MONSOON
MONSOON
THE MONTH'S FIGURES AND DEPARTURES FROM NORMAL WERE:
TOTAL BRIGHT SUNSHINE
MEAN DAILY GLOBAL SOLAR RADIATION
TOTAL RAINFALL
MEAN AMOUNT OF CLOUD
56.4 HOURS :
52.3 HOURS BELOW NORMAL
7.47 MJ/SQUARE NETRE
3.62 MJ/SQUARE METRE BELOW NORMAL
195.7 MM;
153.8 MM ABOVE NORMAL
85 PER CENT
:
14 PER CENT MORE THAN NORMAL
MEAN RELATIVE HUMIDITY
86 PER CENT
;
18.2 DEGREES CELSIUS
MEAN DAILY MAXIMUM
AIR TEMPERATURE
MEAN AIR TEMPERATURE
16.2 DEGREES CELSIUS
;
8 PER CENT HIGHER THAN NORMAL
0.6 DEGREE CELSIUS BELOW NORMAL
0.3 DEGREE CELSIUS ABOVE NORMAL
MEAN DAILY MINIMUM
AIR TEMPERATURE
MBAN DEW POINT
14.5 DEGREES CELSIUS
13.8 DEGREES CELSIUS
;
TOTAL EVAPORATION
44.1 MM
0.8 DEGREE CELSIUS ABOVE NORMAL
2.1 DEGREES CELSIUS ABOVE NORMAL
37.8 MM BELOW NORMAL
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