Department of Agriculture and Food Western Australia

Copyright © Western Australian Agriculture Authority, 2008

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WONGAN HILLS
Latitude 30 50.640 S - Longitude 116 43.690 E - Altitude 305m

The data for the previous minute on Thursday 17/05/12 at Wongan Hills.

Time Hours	Air Temp	Rel Hum	Soil Temp	Solar W/m²	Rain mm	Delta T	Wspeed kph	Wind from	Batt Volts
05:57	8.6	85.1	12.4	0.0	0.0	1.0	1.4	ESE	12.2

DELTA T and/or Wind Speed Outside Preferred Range For Broadscale Spraying For Current Minute.
Percentage unsuitable minutes past 60 minutes = 100 %            Current Dew Point = 6.2
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
6.8	22.0	39.4	92.2	12.4	23.4	13991	7.9	20.5	0.0	3.70	20h47m
04:41	13:07	15:11	00:31	05:39	14:58			09:30
							from ESE

Previous Day's Daily data from 0901 WST 15/05/12 to 0900 WST 16/05/12.

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
8.8	20.6	55.2	100.0	13.2	21.8	11403	8.5	18.7	0.2	2.50	3
07:03	13:20	14:30	05:18	07:00	13:40			08:57	11:39
							from ESE

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
16/05	8.8	20.6	55.2	100.0	13.2	21.8	11403	8.5	0.2	2.50			23.9
15/05	6.1	21.5	50.2	100.0	12.7	23.5	15509	7.7	0.0	3.59			23.5
14/05	6.8	23.9	41.7	100.0	13.3	24.2	15776	10.3	0.0	4.21			23.9
13/05	10.1	26.1	29.5	93.1	13.3	24.1	16731	10.1	0.0	4.87			23.9
12/05	10.6	22.5	36.7	86.5	12.2	23.1	17237	14.4	0.0	5.02			23.9
11/05	8.7	21.3	48.0	100.0	12.0	21.8	13859	10.1	0.2	2.71			23.6
10/05	6.4	19.5	58.4	100.0	11.3	19.9	13546	5.5	0.0	2.73			23.9

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
16/05	1500	19.6	45.9	23.3		93.4	3.7	136	0.0	2.87	6.0
16/05	0900	14.9	79.5	14.1		406.1	5.2	128	0.0	0.52	1.7
15/05	1500	19.8	57.7	20.9		80.1	3.4	253	0.2	1.98	4.5
15/05	0900	13.5	97.5	14.2		405.8	0.7	29	0.0	0.73	0.2
14/05	1500	20.7	51.6	23.5		557.0	3.1	266	0.0	2.85	5.4
14/05	0900	13.7	88.7	14.3		408.5	2.4	346	0.0	0.83	0.9
13/05	1500	23.3	54.4	24.2		460.2	3.5	247	0.0	3.38	5.5
13/05	0900	19.0	62.0	14.8		389.1	2.2	12	0.0	1.40	3.9

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
10/05/12     24      21      14       9      0      0       1
11/05/12     24      24      15      10      0      0       0
12/05/12     24      24      16      11      0      0       0
13/05/12     24      24      22      15      0      0       0
14/05/12     24      24      18      14      0      0       0
15/05/12     24      24      18      13      0      0       1
16/05/12     24      24      20      12      0      0       0
From 09:01   20      20      16      12      0      0       0