Wednesday, 1 August 2007 - Monthly Climate Summary for South Australia - Product code IDCKGC13R0

South Australia in July 2007
A dry July over much of the State.

Summary

July temperatures were generally below average across most of the State. Rainfall was generally below to very much below average over most of South Australia, apart from the southeast.

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Rainfall

Pastoral Districts

Rainfall totals were below to very much below average over most of the Pastoral Districts, with some stations reporting lowest July totals on record.

Rainfall totals were generally below 10 mm, with most totals less than 5 mm. Nonning and Yardea in the Northwest district reported a total of 23 mm, the highest amount in the Pastoral Districts, while there were several stations that reported no rainfall.

Agricultural Districts

Rainfall totals below to very much below average were reported from much of the Agricultural districts including Yorke and Eyre Peninsulas and Kangaroo Island. On, and to the east and southeast of the Mount Lofty Ranges, rainfall was near or slightly above average for the month.

The highest total for the state was 182 mm at Bridgewater, with much of the Mount Lofty Ranges recording totals above 100 mm. Totals between 20−50 mm were generally reported elsewhere.

White Flat on Eyre Peninsula reported lowest July total on record with 10 mm.

Some sites had their lowest total July rainfall on record.

See a map of total rainfall. See a map of rainfall deciles.

Temperature

Maximum

Mean maximum temperatures for July were near average in the agricultural areas, and up to 2°C above average in the Pastoral areas.

In the Pastoral districts mean maximum temperatures ranged from 16.1°C at Yunta to 21.5°C at Oodnadatta Airport.

Mean maximum temperatures over the Agricultural districts ranged from 11.3°C at Mt Crawford in the Mount Lofty Ranges to 19.6°C at Nullarbor in the Western Agricultural district.

The highest maximum recorded during July was 30.5°C at Nullarbor on the 31st, an equal record daily July maximum for this station in the 22 year record.

Minimum

Mean minimum temperatures for July were generally near or up to 2°C below average.

In the pastoral districts mean minima at Marla was 2.2°C below average. Mean minimum temperatures ranged from 2.4°C at Yunta Airport to 6.5°C at Coober Pedy Airport.

Over the Agricultural districts mean monthly minimum temperatures ranged from 1.8°C at Yongala to 11.8°C at Neptune Island.

The lowest minimum temperature recorded during July was minus 6.3°C at Yunta in the North East Pastoral district on the 20th.

See a map of mean maximum temperatures. See a map of maximum temperature anomalies. See a map of mean minimum temperatures. See a map of minimum temperature anomalies.

Further information

South Australian Regional Office
South Australian Climate Services Centre
Bureau of Meteorology
Phone (08) 8366 2600
Email climate.sa@bom.gov.au

Extremes

Hottest day
Highest temperature		 30.5°C at Marla Police Station on the 31st
Warmest days on average
Highest mean daily maximum temperature		 21.5°C at Oodnadatta Airport
Coolest days on average
Lowest mean daily maximum temperature		 11.3°C at Mount Crawford Fire Tower
Coldest day
Lowest daily maximum temperature		 7.0°C at Mount Crawford Fire Tower on the 19th
Coldest night
Lowest temperature		 −6.3°C at Yunta Airstrip on the 20th
Coolest nights on average
Lowest mean daily minimum temperature		 1.8°C at Yongala
Warmest nights on average
Highest mean daily minimum temperature		 11.8°C at Neptune Island
Warmest night
Highest daily minimum temperature		 15.7°C at Coober Pedy Airport on the 3rd
Wettest overall
Highest total rainfall		 181.6 mm at Bridgewater
Highest wind gust
 122 km/h at Neptune Island on the 4th

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Records

Record lowest total July rainfall
Total rainfall
for July 2007 (mm) 		Previous lowest
for July		 Years of
record		 Normal for
July
Port Lincoln (White Flat) 10.2 21.6 in 1997 85 78.9
Oodnadatta Airport 0.0 = 0.0 in 2004 59 10.4

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Summaries

 In the following table, certain key sites have been highlighted to make them easier to identify.

Summary statistics for July 2007
Maximum temperatures
for July
(°C)		 Minimum temperatures
for July
(°C)		 Rainfall
for July
(millimetres)
Mean for
July
2007		 Diff
from
normal		 Highest for
July
2007		 Mean for
July
2007		 Diff
from
normal		 Lowest for
July
2007		 Total for
July
2007		 Normal
for
July		 Rank of
July
2007		 Fraction of
July
normal
Northwest (district 16)
Andamooka 19.7 +1.3 28.3 2nd 5.9 0 0.0 21st 2.2 13.3 low 17%
Coober Pedy Airport 19.8 29.5 31st 6.5 1.9 21st 0.0
Ernabella 19.8 27.6 31st 4.4 −3.8 10th 0.0
Marla Police Station 21.4 +1.5 30.5 31st 2.9 −2.2 −3.0 19th 0.0 14.3 lowest 0%
Nonning 17.0 +0.5 22.9 25th 3.7 0 −2.2 20th 22.9 26.1 normal 88%
Roxby Downs 19.3 27.7 2nd 3.7 −2.9 19th 1.0
Tarcoola Aero 19.7 26.6 31st 3.6 −2.3 10th 3.2
Woomera Aerodrome 18.4 +1.6 25.5 2nd 5.9 +0.1 1.0 20th 4.2 15.3 low 27%
Far North (district 17)
Arkaroola 17.7 +1.4 25.0 2nd 3.4 +0.1 −2.6 22nd 2.2 15.2 low 14%
Leigh Creek Airport 18.3 +1.9 25.4 2nd 4.6 −0.1 −0.6 19th 4.4 18.5 low 24%
Marree Aero 20.3 27.6 2nd 4.6 −0.5 21st 0.2
Marree Comparison 21.0 +2.0 27.9 2nd 4.9 0 0.0 19th 0.4 9.9 low 4%
Moomba Airport 20.2 27.8 29th 5.7 1.1 20th 0.0
Oodnadatta Airport 21.5 +2.0 29.0 3rd 5.9 +0.1 0.3 22nd 0.0 10.4 lowest 0%
Western Agricultural (district 18)
Ceduna AMO 19.0 +1.6 27.3 24th 5.1 −0.6 −1.6 16th 14.4 39.8 very low 36%
Cleve 16.2 +1.0 22.5 25th 7.7 +0.6 3.0 19th 28.2 46.2 low 61%
Cleve Aerodrome 15.9 22.0 24th 7.4 2.4 19th 24.4 45.0 low 54%
Coulta 15.7 22.0 24th 6.6 2.4 9th 51.0
Cummins Aero 15.9 22.3 24th 5.4 0.6 28th 41.4
Elliston 17.5 +1.2 24.4 24th 0.0 3rd 46.1 70.2 low 66%
Kimba 16.0 +0.4 22.2 25th 5.3 +0.4 1.2 22nd 33.4 41.3 normal 81%
Kyancutta 18.1 +0.9 25.0 24th 3.8 −0.9 −0.8 13th 22.4 40.4 low 55%
Minnipa DPI 16.9 23.6 24th 6.4 2.1 20th 22.6
Neptune Island 15.5 +0.3 19.1 25th 11.8 +0.6 8.1 17th 66.6 76.0 normal 88%
North Shields 16.1 21.2 24th 7.3 3.6 21st 57.6
Nullarbor 19.6 +1.3 28.8 24th 4.9 −0.1 −0.5 16th 7.2 26.9 very low 27%
Port Augusta Aero 18.8 25.7 25th 4.2 −2.5 22nd 7.6
Streaky Bay 17.4 +1.0 22.0 25th 8.7 +0.3 4.6 20th 33.8 60.7 low 56%
Whyalla Aero 17.5 +0.6 25.2 25th 5.0 −0.3 −1.8 20th 10.6 23.9 low 44%
Wudinna Aero 17.7 24.3 24th 5.6 −0.6 13th 21.8
Upper North (district 19)
Hawker 16.9 +1.0 25.0 25th 3.2 −0.6 −2.0 12th 16.7 34.1 low 49%
Yongala 13.8 +1.0 22.2 25th 1.8 −0.4 −4.5 22nd 19.8 39.6 low 50%
Northeast (district 20)
Gluepot Reserve 17.4 25.8 25th 3.6 −5.0 20th 12.3
Yunta Airstrip 16.1 23.0 25th 2.4 −6.3 20th 6.2
Lower North (district 21)
Clare High School 13.1 20.5 25th 3.8 −2.5 15th 55.0
Port Pirie Aerodrome 16.9 23.4 25th 5.2 −0.5 15th 22.9
Port Pirie Zinifex Comparison 17.0 +0.6 22.5 25th 7.4 −0.2 1.0 15th 23.6 33.8 normal 70%
Snowtown 15.4 21.6 25th 4.3 −0.8 20th 49.0
Yorke Peninsula (district 22A)
Edithburgh 14.9 19.1 25th 7.3 2.2 21st 37.0
Kadina AWS 15.7 21.6 24th 4.3 −1.4 19th 31.0
Maitland 14.8 +0.4 20.2 24th 7.2 +0.2 2.5 14th 48.4 65.4 low 74%
Minlaton Aero 15.2 20.4 24th 6.4 0.9 18th 31.4
Stenhouse Bay 15.8 20.4 24th 8.7 3.7 20th 52.4
Warooka 15.0 0 18.6 24th 7.8 +0.2 4.1 20th 51.0 65.6 normal 78%
Kangaroo Island (district 22B)
Cape Borda AWS 14.3 17.5 2nd 9.0 4.4 9th 75.0
Cape Borda Comparison 14.2 +0.3 17.7 2nd 9.4 +0.3 5.9 17th 77.0 104.2 low 74%
Cape Willoughby 14.1 0 17.5 2nd 9.9 +0.2 7.3 18th 61.2 81.3 low 75%
Kingscote Aero 15.6 19.3 2nd 5.9 1.3 19th 55.4
Adelaide Plains (district 23A)
Adelaide 15.6 +0.3 21.4 25th 7.8 +0.4 2.7 18th 65.6 74.9 normal 88%
Adelaide Airport 15.3 +0.4 20.8 24th 7.0 +0.1 1.6 20th 46.0 59.8 normal 77%
Edinburgh RAAF 15.3 0 21.6 25th 5.9 −0.1 0.8 13th 46.2 52.6 normal 88%
Parafield Airport 15.5 +0.5 21.6 25th 5.7 −0.6 0.3 13th 39.2 58.9 low 67%
Roseworthy AWS 15.4 22.0 25th 5.3 0.4 22nd 35.8
County Light (district 23B)
Nuriootpa Viticultural 13.7 20.4 25th 4.4 −1.1 18th 59.6
Rosedale 15.1 +0.4 21.6 25th 5.0 −0.6 0.0 18th 66.2 58.8 normal 113%
Mount Lofty Ranges (district 23°C)
Hindmarsh Island AWS 15.2 21.2 25th 8.0 2.3 22nd 31.2
Kuitpo Forest Reserve 12.7 18.2 24th 7.0 3.0 20th 95.8
Mount Barker 14.3 +1.4 19.9 25th 5.3 +0.8 −0.9 20th 127.6 105.4 high 121%
Mount Crawford Fire Tower 11.3 17.5 25th 6.1 1.5 20th 116.6
Noarlunga 14.7 19.7 24th 8.7 4.5 18th 54.0
Parawa 11.8 15.3 24th 7.3 3.8 20th 108.4
Victor Harbor 15.5 20.5 24th 6.6 −1.0 22nd 75.6
Upper Murray Valley (district 24A)
Loxton Research Centre 15.9 +0.1 22.7 24th 3.1 −0.7 −4.1 22nd 21.6 28.5 normal 76%
Renmark Aero 16.6 26.0 25th 3.1 −5.4 22nd 19.6
Lower Murray Valley (district 24B)
Eudunda 13.6 +0.5 21.0 25th 5.5 +0.5 0.9 20th 60.0 51.2 normal 117%
Meningie 15.0 +0.1 19.2 25th 6.6 −0.1 1.8 20th 63.6 60.7 normal 105%
Murray Bridge 15.7 22.9 25th 4.8 −1.3 22nd 31.6
Murray Bridge Comparison 16.5 +0.3 22.7 24th 5.3 −0.2 −0.6 22nd 35.5 35.2 normal 101%
Strathalbyn Racecourse 15.3 20.9 25th 6.1 −0.1 22nd 49.6
Murray Mallee (district 25A)
Karoonda 15.5 22.9 25th 5.6 0.8 18th 43.4 34.9 high 124%
Upper Southeast (district 25B)
Keith 15.0 0 21.8 25th 5.5 0 0.0 9th 63.3 54.5 normal 116%
Keith 15.2 21.2 25th 3.8 −1.4 9th 62.0
Lameroo 14.4 21.8 25th 4.0 −0.4 22nd 52.0
Lameroo Comparison 15.4 +0.5 23.2 25th 4.9 +0.6 0.0 22nd
Lower Southeast (district 26)
Cape Jaffa 13.7 15.8 30th 7.6 1.8 22nd 86.2
Coonawarra 13.9 +0.1 19.7 25th 4.7 −0.4 −0.9 9th 72.4 76.7 normal 94%
Mount Gambier Aero 13.7 +0.6 18.2 25th 5.6 +0.5 1.3 21st 95.4 98.8 normal 97%
Padthaway South 14.1 20.3 25th 5.1 −1.0 19th 90.8
Robe Airfield 14.4 18.2 24th 7.0 0.9 9th 91.4
Robe Comparison 13.7 0 15.9 30th 8.8 +0.7 4.9 21st 98.0 103.9 normal 94%

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Notes

This statement has been prepared based on information available at 4 pm on Wednesday 1 August 2007. Some checks have been made on the data, but it is possible that results will change as new information becomes available.

Normals are long-term means based on observations from all available years of record, which vary widely from site to site. They are not shown for sites with less than 20 years of record, as they cannot then be calculated reliably.
The median is sometimes more representative than the mean of "normal" rain.

The Rank indicates how rainfall this time compares with the climate record for the site, based on the decile ranking (very low rainfall is in decile 1, low in decile 2 or 3, normal in decile 4 to 7, high in decile 8 or 9 and very high is in decile 10).
The Fraction of normal shows how much rain has fallen this time as a percentage of the long-term mean.

Further information

South Australian Regional Office
South Australian Climate Services Centre
Bureau of Meteorology
Phone (08) 8366 2600
Email climate.sa@bom.gov.au