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AGROCLIMATOGICAL DATA 2007 |
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Station
: Ratchaburi |
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Elevation of station
above MSL |
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5.00 m. |
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Latitude
: 13.5 N |
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Hight of thermometer
above ground |
|
- |
m. |
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Longtitude : 99.8 E |
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Hight of wind vane above ground |
|
- |
m. |
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Hight of rain gauge |
|
- |
m. |
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Air temerature (celcuis) |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Year |
|
|
Extreme Maximum |
35.7 |
36.7 |
39.5 |
39.3 |
36.5 |
36.5 |
35.0 |
36.2 |
35.3 |
35.0 |
31.5 |
35.2 |
39.5 |
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|
Date |
20 |
25 |
16 |
22 |
26 |
16 |
27 |
14 |
8 |
7 |
17 |
19 |
16-Mar |
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|
Mean Maximum |
32.3 |
34.2 |
36.7 |
36.6 |
33.4 |
34.8 |
32.8 |
33.2 |
32.8 |
31.2 |
29.5 |
32.5 |
33.3 |
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Mean |
26.4 |
27.6 |
30.4 |
30.9 |
29.3 |
30.2 |
28.8 |
29.0 |
28.6 |
27.8 |
25.3 |
26.9 |
28.4 |
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Mean Minimum |
20.4 |
20.8 |
24.0 |
25.2 |
25.1 |
25.5 |
24.7 |
24.8 |
24.4 |
24.2 |
21.0 |
21.1 |
23.4 |
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|
Extreme Minimum |
15.8 |
14.4 |
21.0 |
22.8 |
23.3 |
24.5 |
24.0 |
24.0 |
22.5 |
22.5 |
15.5 |
17.0 |
14.4 |
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Date |
29 |
4 |
7 |
4 |
12 |
7 |
6 |
14 |
22 |
22 |
30 |
2 |
4-Feb |
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Grass minimumtemperature (celcuis) |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Year |
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|
Mean Minimum |
17.0 |
17.5 |
21.3 |
23.1 |
24.0 |
24.3 |
23.3 |
23.4 |
23.4 |
23.0 |
19.1 |
18.9 |
21.5 |
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Extreme Minimum |
11.5 |
10.5 |
17.9 |
19.6 |
23.0 |
23.0 |
21.0 |
22.0 |
21.5 |
20.5 |
12.0 |
14.5 |
10.5 |
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Date |
31 |
5 |
8 |
4 |
19 |
29 |
21 |
20 |
22 |
22 |
30 |
1 |
5-Feb |
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Water temperature (celcuis) |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Year |
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|
Mean Maximum |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
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|
Mean |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
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|
Mean Minimum |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
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Relative humidity ( % ) |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Year |
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|
Extreme Maximum |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
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Mean Maximum |
88 |
91 |
95 |
95 |
95 |
94 |
92 |
93 |
96 |
95 |
94 |
93 |
93 |
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Mean |
65 |
67 |
67 |
71 |
77 |
75 |
76 |
76 |
79 |
79 |
74 |
69 |
73 |
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Mean Minimum |
41 |
42 |
40 |
41 |
60 |
55 |
60 |
59 |
61 |
64 |
55 |
45 |
52 |
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Extreme Minimum |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
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|
Date |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
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Soil temperature (celcuis) |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Year |
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Mean at surface |
29.4 |
30.9 |
34.1 |
34.2 |
30.2 |
30.6 |
29.1 |
29.4 |
29.6 |
28.8 |
27.1 |
29.1 |
30.2 |
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Mean at 5 cm |
28.3 |
30.0 |
33.4 |
34.0 |
30.0 |
30.5 |
28.9 |
29.0 |
29.4 |
28.5 |
26.9 |
28.4 |
29.8 |
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Mean at 10 cm |
28.9 |
30.7 |
34.0 |
34.5 |
30.4 |
30.9 |
29.3 |
29.6 |
29.9 |
29.1 |
27.6 |
28.8 |
30.3 |
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Mean at 20 cm |
27.8 |
29.3 |
32.8 |
33.7 |
30.5 |
31.1 |
29.2 |
29.4 |
29.6 |
28.9 |
27.3 |
28.0 |
29.8 |
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Mean at 50 cm |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
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Mean at 100 cm |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
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Rainfall ( mm ) |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Year |
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Total amount |
1.1 |
0.0 |
0.9 |
90.6 |
335.2 |
107.4 |
133.0 |
218.3 |
202.8 |
117.6 |
77.6 |
0.0 |
1284.5 |
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Number of rainy day |
1 |
0 |
1 |
8 |
18 |
19 |
15 |
22 |
22 |
19 |
6 |
0 |
131 |
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Greatest in 24 hr |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
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|
Date |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
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Evaporation |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Year |
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Mean |
137.0 |
148.9 |
188.7 |
189.0 |
130.0 |
149.6 |
123.9 |
136.7 |
126.5 |
107.7 |
114.7 |
128.7 |
1681.4 |
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Wind |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Year |
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Prevailing direction |
3/N |
4/SE |
4/SE |
4/SE |
2/SE |
2/S |
3/W |
2.9/W |
2/W |
3/N |
5/N |
3/N |
4/N |
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Mean speed ( m/s ) |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
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Sunshine duration ( hr ) |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Year |
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Extreme Maximum |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
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|
Date |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
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Mean |
7.6 |
9.1 |
8.9 |
7.9 |
5.4 |
5.8 |
4.3 |
3.3 |
4.4 |
3.3 |
6.4 |
8.0 |
6.2 |
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Remark : "-" indicate missing data |
Argometeorological
analysis sub-division , Agrometeorology division data |
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processing sub-division
, Climatology division meteorological department |
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