AGROCLIMATOGICAL DATA 2008
	Station     : Ratchaburi			Elevation of station above MSL								5.00  m.
	Latitude    : 13.5 N			Hight of thermometer above ground							-	m.
	Longtitude : 99.8 E			Hight of wind vane above ground							-	m.
				Hight of rain gauge							-	m.
	Air temperature (celcuis)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
	Extreme Maximum	35.6	35.5	37.2	37.5	36.5	36.0	36.0	36.0	35.5	35.5	33.5	30.8	37.5
	Date	13	1	23	17	6	10	15	27	3	5	4	22	17-Jul
	Mean Maximum	32.6	32.8	35.3	35.6	33.7	34.1	33.2	33.8	32.6	32.3	29.9	29.2	32.9
	Mean	26.6	27.7	29.3	30.3	29.2	29.4	29.0	29.3	28.6	28.5	26.4	24.5	28.2
	Mean Minimum	20.5	22.6	23.2	25.0	24.7	24.6	24.6	24.7	24.5	24.6	22.8	19.7	23.5
	Extreme Minimum	17.0	18.4	19.0	23.5	23.6	22.5	23.5	23.8	23.0	23.2	19.5	16.0	16.0
	Date	2	22	4	6	9	17	6	18	23	19	14	21	21-Dec
	Grass minimumtemperature (celcuis)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
	Mean Minimum	18.0	20.8	21.5	23.7	23.6	23.8	23.6	23.6	23.5	23.8	21.6	17.7	22.1
	Extreme Minimum	14.6	15.1	16.0	22.0	22.5	22.5	22.0	22.5	22.2	23.0	17.2	14.5	14.5
	Date	2	22	4	4	6	22	6	1	23	5,6,8,29	14	10	10-Dec
	Water temperature (celcuis)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
	Mean Maximum	-	-	-	-	-	-	-	-	-	-	-	-	-
	Mean	-	-	-	-	-	-	-	-	-	-	-	-	-
	Mean Minimum	-	-	-	-	-	-	-	-	-	-	-	-	-
	Relative humidity ( % )	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
	Extreme Maximum	-	-	-	-	-	-	-	-	-	-	-	-	-
	Mean Maximum	91	94	95	94	96	97	95	95	95	96	90	91	188
	Mean	66	71	70	71	75	75	75	72	75	78	72	69	145
	Mean Minimum	41	49	44	48	54	54	55	50	55	60	55	46	102
	Extreme Minimum	-	-	-	-	-	-	-	-	-	-	-	-	-
	Date	-	-	-	-	-	-	-	-	-	-	-	-	-
	Soil temperature (celcuis)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
	Mean at surface	29.0	29.8	32.0	32.6	29.6	29.7	29.2	30.0	28.6	28.4	26.5	24.8	29.2
	Mean at 5 cm	28.6	29.4	31.4	32.3	29.6	29.6	29.0	29.5	29.2	29.2	27.3	25.8	29.2
	Mean at 10 cm	29.0	29.8	31.9	32.8	30.1	30.1	29.6	30.1	29.5	29.5	27.9	26.8	29.8
	Mean at 20 cm	28.1	29.4	31.2	32.5	30.3	30.3	29.7	29.9	29.9	29.7	28.3	26.8	29.7
	Mean at 50 cm	-	-	-	-	-	-	-	-	-	30.3	28.9	27.3	-
	Mean at 100 cm	-	-	-	-	-	-	-	-	-	-	29.1	28.1	-
	Rainfall ( mm )	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
	Total amount	0.0	43.8	5.3	77.4	96.7	169.0	118.8	97.0	82.7	282.1	32.9	2.2	1,007.9
	Number of rainy day	0	5	2	8	23	19	21	16	15	25	7	2	143
	Greatest in 24 hr	-	-	-	-	-	-	-	-	-	-	-	-	-
	Date	-	-	-	-	-	-	-	-	-	-	-	-	-
	Evaporation	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
	Mean	142.0	128.1	176.4	163.6	131.1	145.5	127.6	154.6	139.5	111.2	150.4	-	1,570.0
	Wind	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
	Prevailing direction	3.6/N	2.9/N	3.7/SE	2.6/SE	1.5/S	1.7/S	3.3/W	5/S	3.6/W	4/NW	8.3/NW	8.9/NW	-
	Mean speed ( m/s )	-	-	-	-	-	-	-	-	-	-	-	-
	Sunshine duration ( hr )	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
	Extreme Maximum	-	-	-	-	-	-	-	-	-	-	-	-	-
	Date	-	-	-	-	-	-	-	-	-	-	-	-
	Mean	8.1	10.0	8.6	7.3	4.2	5.3	3.8	4.4	4.0	4.7	5.0	7.5	6.1
	Remark : "-" indicate missing data	Argometeorological analysis sub-division , Agrometeorology division data
		processing sub-division , Climatology division meteorological department