AGROCLIMATOGICAL DATA 2022
Station     : Ratchaburi			Elevation of station above MSL								6.00  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	35.8	35.0	37.0	39.0	35.9	36.3	35.7	35.6	35.6	34.3	34.0	33.5	39.0
Date	29	8	27	15	15	21	27	24	2	2	30	11	15-Apr
Mean Maximum	33.0	32.6	35.2	35.4	33.0	34.7	33.8	32.9	32.9	31.0	32.1	30.6	33.1
Mean	26.8	27.6	30.0	29.8	29.1	29.9	29.6	28.9	28.9	27.6	27.7	25.6	28.5
Mean Minimum	20.5	22.7	24.6	24.2	25.1	25.1	25.3	24.9	24.9	24.1	23.3	20.6	23.8
Extreme Minimum	17.9	20.6	22.8	18.5	23.0	24.0	24.0	23.3	23.8	21.5	18.9	17.2	17.2
Date	31	21	1	3	3	26	22	23	27	16	4	28	28-Dec
Grass minimumtemperature (celcuis)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Mean	17.8	20.6	22.9	22.6	24.0	23.4	23.8	23.4	23.5	22.9	20.9	18.6	22.0
Extreme Minimum	14.5	17.5	20.7	20.0	22.6	22.2	22.5	21.5	21.9	20.4	15.1	14.8	14.5
Date	31	27	1	3	30	9	25	23	21	18	4	26	31-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	95.0	92.0	94.0	94.0	97.0	99.0	100.0	100.0	96.0	94.0	95.0	92.0	96.0
Mean	67.0	71.0	71.0	69.0	81.0	79.0	83.0	85.0	78.0	77.0	76.0	71.0	76.0
Mean Minimum	40.0	49.0	48.0	44.0	65.0	59.0	66.0	71.0	59.0	61.0	58.0	50.0	56.0
Extreme Minimum	-	-	-	-	-	-	-	-	-	-	-	-	-
Date	-	-	-	-	-	-	-	-	-	-	-	-	-
Soil temperature (celcuis)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Mean at surface	27.7	28.5	31.0	31.6	29.8	30.3	30.0	29.7	29.8	28.4	28.4	26.7	29.3
Mean at 5 cm	27.9	28.8	31.3	31.9	30.1	30.6	30.4	30.0	30.1	28.7	28.6	27.1	29.6
Mean at 10 cm	28.5	29.3	31.9	32.5	30.6	31.0	30.7	30.4	30.6	29.1	29.0	27.5	30.1
Mean at 20 cm	28.6	29.4	31.9	32.7	30.9	31.2	30.9	30.6	30.7	29.1	29.1	27.8	30.2
Mean at 50 cm	29.3	30.2	32.1	33.2	31.9	32.0	31.7	31.4	31.3	30.0	29.9	29.0	31.0
Mean at 100 cm	28.9	29.6	30.7	31.7	31.6	31.1	31.1	30.8	30.8	29.9	29.6	29.2	30.4
Rainfall ( mm )	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Total amount	24.0	38.1	29.8	14.5	161.9	118.7	153.3	132.8	107.9	209.8	52.2	12.4	1,055.4
Number of rainy day	2	7	4	4	19	14	15	18	21	16	9	3.0	132
Greatest in 24 hr	-	-	-	-	-	-	-	-	-	-	-	-	-
Date	-	-	-	-	-	-	-	-	-	-	-	-	-
Evaporation	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Mean	140.03	116.72	56.65	172.14	127.60	145.57	130.11	112.83	105.56	96.60	98.40	128.16	1,530.40
Wind	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Prevailing direction	0.5/SE	0.8/N,SE	0.6/SE	0.9/N,SE	0.6/SE	0.4/SE	0.2/SE,W	0.2/W	1.1/W	1.6/NW	1.4/NW	2.1/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	9.0	7.0	8.0	7.8	3.6	6.8	5.1	4.2	4.1	44.5	6.6	7.5	6.2
Remark : "-" indicate missing data	Argometeorological analysis sub-division , Agrometeorology division data
	processing sub-division , Climatology division meteorological department