Statistical Yearbook Thailand 2009 - page 934

Meteorology Statistics
Meteorology statistics presented in this chapter have been derived from the Meteorological
Department, Ministry of Information and Communication Technology.
Meteorology
Its statistics was presented the data about temperature, rainfall, elevation of station
above mean sea-level, atmospheric pressure and relative humidity. For the matter of mean temperature,
it was computed form the data on dry temperature observation.
In general, Thailand’s climate can be divided into three seasons as follow:
1.
Hot season, it lasts from mid - February to mid - May. Considering in daily hot climate it is
in the range of
35.0
0
C.
to
39.9
0
C.
As for highest temperature, it is in the upper
40.0
0
C
.
2.
Rainy season, it lasts from mid - May to mid - October. At this period, it might be scarcity of
rain in sometime. Considering the volume of rain in
24
hours starting at
7
a.m. in a day lasting to
7
a.m.
in next day, there is a variety of rain, as follow:
an unmeasurable rain as
its volume lower than
0.1
millimeter;
a few rain as
its volume between
0.1
millimeter and
10.0
millimeter
; a moderate rain as
its volume between
10.1
millimeter and
35.0
millimeter;
a heavy rain as
its volume between
35.1
millimeter and
90.0
millimeter
and
a very heavy rain as
its volume upper than
90.1
millimeter.
3.
Cool season, it lasts from mid - October to mid - February. Considering in daily cool climate
the coolest climate
is the lower
8.0
0
C
.
The climate as cool
, the temperature ranges from
8.0
0
C.
to
15.9
0
C.
and
the moderate cool climate
, the temperature ranges from
16.0
0
C
to
22.9
0
C
.
1...,917,918-919,920-921,922-923,924-925,926-927,928-929,930-931,932,933 935,936-937,938-939,940-941,942-943,944-945,946-947,948-949,950-951,952-953,...960
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