Department of Agriculture and Food Western Australia

Copyright © Western Australian Agriculture Authority, 2008

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DONNYBROOK
Latitude 33 32.983 S - Longitude 115 49.23 E - Altitude 71m

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

Time Hours

Air Temp

Rel Hum

Soil Temp

Solar W/m²

Rain mm

Delta T

Wspeed kph

Wind from

Bar hPa

Batt Volts

21:39

14.7

74.3

25.6

0.0

0.0

2.2

0.0

N

1014S

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
14.6	29.6	21.5	74.3	25.2	40.7	26368	6.6	17.6	0.0	7.57	12h39m
21:38	13:58	14:01	21:39	09:01	14:32			12:04
							from W

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	26.3	34.4	93.4	16.8	38.9	29000	3.0	14.8	0.0	7.11	0
04:37	14:27	14:24	05:06	05:47	14:46			15:36
							from WSW

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	26.3	34.4	93.4	16.8	38.9	29000	3.0	0.0	7.11			24.0
22/11	9.4	20.3	48.1	94.5	14.6	27.2	16026	3.0	0.0	3.37			24.0
21/11	8.0	21.6	38.9	92.9	14.5	33.3	16855	1.7	0.0	4.22			21.2
12/11	16.5	30.4	27.4	92.4	22.2	42.5	22289	3.4	10.6	6.12			24.0
11/11	12.9	30.5	33.3	92.3	20.9	40.4	22615	3.2	0.0	5.92			24.0
10/11	13.7	30.4	28.4	83.7	20.3	41.0	23864	3.1	0.0	5.57			23.8
09/11	6.6	21.7	42.6	93.6	16.6	37.2	26645	4.5	0.0	6.34			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	28.5	23.8	40.4		806.0	3.3	255	0.0	5.91	12.4
23/11	0900	24.9	43.8	25.1		785.0	0.6	198	0.0	2.46	7.4
22/11	1500	25.6	44.3	38.9		788.0	3.6	272	0.0	4.66	7.4
22/11	0900	17.9	67.5	22.9		784.0	1.2	81	0.0	1.15	3.2
21/11	1500	20.0	48.9	26.4		371.4	1.8	250	0.0	2.22	5.7
21/11	0900	15.8	65.7	19.7		277.0	2.2	234	0.0	1.55	3.1
20/11	1500	20.2	44.0	31.6		515.7	1.1	257	0.0	2.67	6.4
12/11	1500	25.0	70.9	28.9		767.0	3.4	67	5.6	1.04	3.4

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
09/11/09     24      24      24      24      0      0       2
10/11/09     24      24      24      24      0      0       0
11/11/09     24      24      24      24      0      0       0
12/11/09     24      24      24      24      0      0       0
21/11/09     22      22      22      16      0      0       0
22/11/09     24      24      24      20      0      0       0
23/11/09     24      24      24      24      0      0       0
From 09:01   12      12      12      12      0      0       0