AGROCLIMATOGICAL DATA 2014
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	33.0	35.3	36.8	37.9	37.3	36.5	35.5	36.0	34.8	33.5	35.3	22.4	37.9
Date	4	3	28	23	1	2	4	24	14	4	29	7	23-Apr
Mean Maximum	30.0	33.1	35.0	36.3	35.9	33.6	33.1	33.3	33.4	31.4	32.1	30.3	33.1
Mean	23.6	27.2	29.4	30.9	30.7	29.6	29.2	29.0	29.1	28.0	28.0	26.0	28.4
Mean Minimum	17.2	21.2	23.8	25.5	25.5	25.7	25.2	24.6	24.9	24.5	23.9	21.7	23.6
Extreme Minimum	12.0	16.5	22.0	23.0	24.0	23.3	24.0	22.8	23.6	23.4	21.2	17.7	12.0
Date	24	10	1	8	23	5	26	5	5	28	21	31	24-Jan
Grass minimumtemperature (celcuis)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Mean	14.6	19.4	22.4	24.5	24.7	24.7	23.9	23.4	23.7	23.4	22.7	19.8	22.3
Extreme Minimum	8.5	14.0	20.0	22.0	23.5	23.5	22.3	21.7	22.7	22.1	19.5	15.3	8.5
Date	24	10	4	8	22	6	24	12	10	17	21	31	24-Jan
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	89.0	91.0	91.0	90.0	93.0	95.0	95.0	95.0	96.0	92.0	93.0	85.0	92.0
Mean	61.0	64.0	66.0	65.0	70.0	77.0	76.0	76.0	76.0	77.0	75.0	67.0	72.0
Mean Minimum	33.0	37.0	40.0	40.0	47.0	59.0	58.0	56.0	56.0	92.0	58.0	50.0	52.0
Extreme Minimum	-	-	-	-	-	-	-	-	-	-	-	-	-
Date	-	-	-	-	-	-	-	-	-	-	-	-	-
Soil temperature (celcuis)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Mean at surface	25.6	29.7	32.4	34.1	32.3	30.5	29.3	29.6	29.9	29.7	30.0	28.2	30.1
Mean at 5 cm	25.3	29.1	31.8	33.7	32.2	30.5	29.5	29.6	29.8	29.5	29.7	28.0	29.9
Mean at 10 cm	25.7	29.2	31.9	33.2	32.0	30.8	29.8	29.9	30.1	30.0	30.2	28.4	29.9
Mean at 20 cm	25.8	29.2	32.0	33.9	33.0	31.3	30.3	30.3	30.5	30.2	30.2	28.5	30.4
Mean at 50 cm	26.3	29.6	32.4	34.5	34.0	32.2	31.0	31.0	31.2	30.8	30.8	29.3	29.9
Mean at 100 cm	26.6	29.0	31.5	33.6	33.6	32.2	31.1	30.8	30.8	30.7	30.4	29.6	29.9
Rainfall ( mm )	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Total amount	-	4.8	1.8	14.8	103.3	171.1	68.9	129.2	157.4	246.2	112.1	6.0	1,015.6
Number of rainy day	0	1	2	3	14	13	15	15	21	16	8	4	112
Greatest in 24 hr	-	-	-	-	-	-	-	-	-	-	-	-	-
Date	-	-	-	-	-	-	-	-	-	-	-	-
Evaporation	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Mean	127.5	135.3	165.9	167.4	180.8	126.5	134.8	141.9	137.1	100.1	100.9	111.7	1,629.7
Wind	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Prevailing direction	4.6/N	4.6/SE	4.6/SE	4.3/SE	4.0/N,SE	3.2/SE,S	4.6/W	4.6/SE,W	4.6/W	4.6/NW	5.8/NW	8.3/N
Mean speed ( m/s )	-	-	-	-	-	-	-	-	-	-	-	-
Sunshine duration ( hr )	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Extreme Maximum	-	-	-	-	-	-	-	-	-	-	-	-	-
Date	-	-	-	-	-	-	-	-	-	-	-	-
Mean	8.8	8.6	7.9	7.8	7.7	4.1	4.0	4.3	5.1	5.2	7.4	6.5	6.5
Remark : "-" indicate missing data	Argometeorological analysis sub-division , Agrometeorology division data
	processing sub-division , Climatology division meteorological department