Department of Agriculture and Food Western Australia

Copyright © Western Australian Agriculture Authority, 2008

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ESPERANCE
Latitude 33 36.546 S - Longitude 121 47.733 E - Altitude 158m

The data for the previous minute on Monday 23/11/09 at Esperance.

Time Hours	Air Temp	Rel Hum	Soil Temp	Solar W/m²	Rain mm	Delta T	Wspeed kph	Wind from	Batt Volts
21:40	17.4	38.9	23.1	0.2	0.0	6.6	9.4	NE	12.9

Preferred DELTA T Current Minute suitable for Broadscale Spraying.
Percentage last 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
17.4	32.4	10.6	38.9	20.5	30.0	26753	11.4	32.0	0.0	8.56	12h40m
21:39	15:45	16:00	21:40	09:01	14:44			09:19
							from N

Previous Day's Daily data from 0901 WST 22/11/09 to 0900 WST 23/11/09.

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
10.1	24.4	27.6	87.6	17.2	26.2	32140	14.2	33.1	0.0	8.57	11
03:53	09:00	08:59	22:17	06:27	14:35			07:33
							from N

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			Hours of Data
23/11	10.1	24.4	27.6	87.6	17.2	26.2	32140	14.2	0.0	8.57			23.8
22/11	7.5	19.6	41.5	100.0	16.1	22.6	23908	11.1	3.4	5.33			24.0
21/11	9.3	17.7	52.8	92.3	16.3	20.5	19842	15.1	0.4	4.57			24.0
20/11	10.8	22.9	41.1	96.4	17.3	21.7	17286	18.2	7.4	4.12			23.8
19/11	11.5	29.8	27.6	98.5	18.7	26.8	24051	15.3	7.4	6.78			24.0
18/11	11.0	22.4	43.0	100.0	19.2	23.3	18736	10.4	0.0	4.20			23.8
17/11	15.5	30.3	32.0	99.8	20.9	25.7	12656	12.8	2.0	4.06			24.0

STANDARD OBSERVATIONS AT 0900 WST AND 1500 WST HOURS.

Date DD/MM	Time	Air Temp	Rel Humid	Soil Temp @4cm		Solar W/m²	Wind Speed m/s	Wind Dirn	Rain mm	Penman Evap mm	Delta T
23/11	1500	31.9	12.5	30.0		771.8	2.6	309	0.0	6.51	17.1
23/11	0900	24.4	28.1	20.4		871.2	4.8	348	0.0	3.48	10.1
22/11	1500	20.1	51.4	26.2		753.2	2.8	137	0.0	5.09	5.4
22/11	0900	16.8	64.4	18.5		867.1	3.7	176	3.4	1.62	3.4
21/11	1500	18.3	53.4	22.6		408.8	6.0	223	0.0	3.71	4.8
21/11	0900	16.2	52.8	18.0		648.0	5.1	215	0.0	1.81	4.6
20/11	1500	16.1	68.0	20.5		288.9	5.7	192	0.4	2.77	2.9
20/11	0900	15.3	90.8	18.5		642.6	7.5	190	3.2	1.24	0.8

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
17/11/09     24      24      24      24      0      0       0
18/11/09     24      24      24      24      0      0       0
19/11/09     24      24      24      24      0      0       0
20/11/09     24      24      24      24      0      0       0
21/11/09     24      24      24      24      0      0       0
22/11/09     24      24      24      24      0      0       0
23/11/09     24      24      24      24      0      0       0
From 09:01   12      12      12      12      0      0       0