Department of Agriculture and Food Western Australia

Copyright © Western Australian Agriculture Authority, 2008

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MERREDIN
Latitude 31 29.585 S - Longitude 118 13.575 E - Altitude 315m

The data for the previous minute on Sunday 08/11/09 at Merredin.

Time Hours	Air Temp	Rel Hum	Soil Temp	Solar W/m²	Rain mm	Delta T	Wspeed kph	Wind from	Batt Volts	SoilM 10 cm
03:22	11.4	83.7	20.1	-0.1	0.0	1.2	1.4	SW	12.6	13.0%

DELTA T and/or Wind Speed Outside Preferred Range For Broadscale Spraying For Current Minute.
Percentage unsuitable minutes past 60 minutes = 100 %
Preferred Range: DeltaT between 2 and 8 - Wind Speed between 3 and 15 kph
Click here to obtain more information regarding Delta T

Daily data from 0901 WST to present minute.

Air Temp Min	Air Temp Max	Rel Hum Min	Rel Hum Max	Soil Temp @4cm Min	Soil Temp @4cm Max	Solar Total kJ	Wind Speed Avg kph	Wind Speed Max kph	Rain mm Total	Evap mm Total	Hours of Data
11.4	27.8	22.2	83.7	20.1	33.8	24992	12.0	28.8	0.0	7.83	18h22m
03:22	15:04	15:59	03:22	03:22	14:25			14:32
							from NW

Previous Day's Daily data from 0901 WST 06/11/09 to 0900 WST 07/11/09.

Air Temp Min	Air Temp Max	Rel Hum Min	Rel Hum Max	Soil Temp @4cm Min	Soil Temp @4cm Max	Solar Total kJ	Wind Speed Avg kph	Wind Speed Max kph	Rain mm Total	Evap mm Total	Lost Mins
10.7	34.6	13.8	97.0	18.2	34.4	22447	15.2	50.0	5.2	8.35	2
05:03	13:33	13:29	05:56	06:08	14:44			13:39	16:58
							from NNE

Daily data for 24hrs to 0900 WST

Date DD/MM	Air Temp Min	Air Temp Max	Rel Hum Min	Rel Hum Max	Soil Temp @4cm Min	Soil Temp @4cm Max	Solar Total kJ	Wind Speed Avg kph	Rain mm Total	Evap mm Total	Soil Moist 10cm Min	Soil Moist 10cm Max	Hours of Data
07/11	10.7	34.6	13.8	97.0	18.2	34.4	22447	15.2	5.2	8.35	9.7	13.5	23.9
06/11	20.8	32.0	11.1	52.7	23.9	31.9	14986	14.8	0.0	7.58	9.9	10.5	23.9
05/11	20.5	32.1	9.9	19.9	23.7	37.4	28424	15.6	0.0	12.13	10.1	10.7	24.0
04/11	13.6	29.3	12.0	44.0	20.3	36.2	32502	11.2	0.0	10.96	10.4	11.2	24.0
03/11	8.7	25.6	15.3	69.3	18.2	34.2	32433	12.9	0.0	9.75	10.9	11.6	24.0
02/11	7.2	21.7	13.8	84.3	16.9	32.5	32564	19.5	0.0	10.06	11.3	12.0	24.0
01/11	10.1	26.4	26.5	74.8	19.7	35.3	29720	20.1	0.0	9.47	11.8	12.4	24.0

STANDARD OBSERVATIONS AT 0900 WST AND 1500 WST HOURS.

Date DD/MM	Time	Air Temp	Rel Humid	Soil Temp @4cm	Soil Moist @10cm	Solar W/m²	Wind Speed m/s	Wind Dirn	Rain mm	Penman Evap mm	Delta T
07/11	1500	26.9	24.8	33.3	13.2	879.3	3.8	351	0.0	5.70	11.6
07/11	0900	18.6	60.6	23.4	13.2	818.4	3.6	302	5.2	2.21	4.0
06/11	1500	32.6	17.0	34.2	10.0	281.0	8.1	7	0.0	6.14	15.9
06/11	0900	26.7	31.4	25.3	10.1	302.9	8.6	42	0.0	3.94	10.1
05/11	1500	31.2	11.2	31.0	10.0	991.7	7.9	361	0.0	3.64	17.3
05/11	0900	24.1	14.2	25.0	10.3	320.2	7.9	28	0.0	5.18	13.2
04/11	1500	31.8	10.1	37.4	10.2	794.4	5.7	100	0.0	6.96	18.0
04/11	0900	25.0	18.5	24.9	10.4	846.3	5.6	19	0.0	4.55	12.4

AIR & SOIL TEMPERATURE THRESHOLDS AS AT 0900 WST FOR THE PREVIOUS 24HOURS.
Hours per day Mean values are above or below indicated thresholds
    SoilT   SoilT   SoilT   SoilT              
            @ 4cm   @ 4cm   @ 4cm   @ 4cm   AirT   AirT    AirT
     Date     >10°C   >12°C   >14°C   >16°C  >35°C  <2.0°C  <7.2°C
01/11/09     24      24      24      24      0      0       0
02/11/09     24      24      24      24      0      0       0
03/11/09     24      24      24      24      0      0       0
04/11/09     24      24      24      24      0      0       0
05/11/09     24      24      24      24      0      0       0
06/11/09     24      24      24      24      0      0       0
07/11/09     24      24      24      24      0      0       0
From 09:01   18      18      18      18      0      0       0