Department of Agriculture and Food Western Australia

Copyright © Western Australian Agriculture Authority, 2008

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NORTHAM
Latitude 31 39.181 S - Longitude 116 41.662 E - Altitude 165m

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

Time Hours	Air Temp	Rel Hum	Soil Temp	Solar W/m²	Rain mm	Delta T	Wspeed kph	Wind from	Batt Volts
22:22	17.9	45.2	26.7	0.2	0.0	5.8	1.1	E	12.7

DELTA T and/or Wind Speed Outside Preferred Range For Broadscale Spraying For Current Minute.
Percentage unsuitable minutes past 60 minutes = 95 %
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
17.9	34.2	7.5	45.2	23.5	39.3	27923	5.7	23.8	0.0	8.63	13h22m
22:21	15:53	17:35	22:21	09:01	15:03			12:36
							from ENE

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
8.1	28.1	17.1	91.5	19.7	36.6	32933	4.1	20.2	0.0	8.78	1
05:19	16:07	17:13	05:31	06:13	15:09			09:23
							from E

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	8.1	28.1	17.1	91.5	19.7	36.6	32933	4.1	0.0	8.78			23.9
22/11	9.0	25.1	17.8	89.7	18.8	33.9	32451	6.8	0.0	8.19			24.0
21/11	7.4	22.4	27.8	86.7	17.2	26.9	21347	5.7	0.0	5.12			24.0
20/11	10.1	21.4	37.4	85.5	19.1	29.3	22520	11.4	0.2	5.81			24.0
19/11	11.1	23.7	42.3	93.2	19.0	28.9	19324	12.3	8.2	4.63			24.0
18/11	13.0	23.9	33.1	91.6	22.0	33.3	22925	9.3	0.6	5.78			24.0
17/11	8.8	25.5	34.9	94.4	21.1	38.0	29259	7.1	0.0	6.58			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
23/11	1500	33.8	9.2	39.3		836.1	1.5	331	0.0	6.52	19.4
23/11	0900	26.8	20.1	23.5		830.7	3.1	27	0.0	3.30	12.7
22/11	1500	26.4	21.3	36.6		816.6	3.1	258	0.0	5.48	12.3
22/11	0900	17.2	58.3	22.0		823.4	3.6	140	0.0	2.90	4.1
21/11	1500	24.3	24.0	33.9		810.6	4.3	194	0.0	5.29	10.9
21/11	0900	16.6	48.6	20.3		821.8	0.9	122	0.0	2.44	5.2
20/11	1500	20.4	32.2	25.8		263.5	1.2	169	0.0	2.68	8.3
20/11	0900	14.4	60.1	20.8		324.1	3.5	174	0.0	2.03	3.6

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   13      13      13      13      0      0       0