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Wednesday, 2 August 2006
MONTHLY CLIMATE SUMMARY - SOUTH AUSTRALIAN REGIONAL OFFICE Dry in the SouthRainfall for July ranged from very much below average over the south and southeast of the State to very much above average over the west and northern interiors. Maximum and minimum temperatures were mostly near normal. July rainfall Pastoral Districts:Rainfall totals were above to very much above average across most of the Pastoral Districts for the month of July. In the region of Oodnadatta/Marree and also south, near Leigh/Motpena, rainfall totals were near average. Rainfall totals between 25 and 50mm were confined to most of the Northeast Pastoral District and isolated pockets in the south of the North West Pastoral District. Elsewhere, rainfall totals were mostly between 10 and 25mm. The highest rainfall total for the Pastoral districts was 51 mm at Braemar, in the North East District. Agricultural Districts: Below to very much below average rainfall totals were recorded over much of the southern and southeastern parts of the remainder of the Agricultural districts, in particular the Adelaide Plains and the South East districts. Above to very much above average rainfall for July was recorded across the far west of the State approaching average across much of the northern agricultural areas; isolated pockets of above average rainfall were confined to an area west of Whyalla and also the Nairne/Mount Barker area in the Mount Lofty Ranges. The highest total for July was 164 mm at Uraidla, in the Mount Lofty Ranges district, with several centres recording rainfall totals in excess of 100 mm in the higher parts of the Mount Lofty Ranges. The remainder of the Mount Lofty Ranges and the south of the Lower South East districts received totals typically between 50 and 100 mm. Kangaroos Island recorded totals mostly between 25 and 50mm. In remaining districts, (including the north of the Lower South East district), rainfall totals were mostly between 25 and 50mm.July temperatures Maximum: Mean maximum temperatures were generally within 1 degree of normal across South Australia for July. There were two isolated pockets, west of Port Lincoln and also in the Nullarbor area where temperatures were up to minus 1.4°C of normal.Mean maximum temperatures over the Pastoral Districts ranged from 14.0ºC at Yunta to 19.5ºC at Marree. The highest maximum temperature was 27.1ºC recorded at Coober Pedy on the 10th, while the lowest maximum was 7.3ºC at Yunta on the 14th. Mean maximum temperatures over the Agricultural Districts ranged from 10.6°C at Mount Crawford to 17.0°C at Port Augusta Airport. The highest maximum temperature was 23.8ºC recorded at Kyancutta on the 10th, while the lowest maximum was 5.7ºC at Mount Crawford on the 14th.Minimum: Mean minimum temperatures were within 1ºC of normal over much of the State, and up to 2°C above normal near Nullarbor grading to 3°C above normal near Pukatja. Mean minimum temperatures were 1°C to 2°C above normal between Moomba and Birdsville. In the Pastoral Districts mean minimum temperatures ranged from 2.8ºC at Yunta Airport to 6.7ºC at Moomba Airport. The lowest minimum was –4.7ºC at Gluepot Station on the 13th while the highest minimum was 13.3°C at Tarcoola on the 28th. Mean minimum temperatures over the Agricultural Districts ranged from 2.1ºC at Yongala to 10.0ºC at Cape Willoughby. The lowest minimum was –5.0ºC at Renmark Airport on the 13th while the highest minimum was 13.1°C at Coles Point on the 1st.Significant July weather Thunderstorms/Local Storms: A line of showers associated with a small front moved over Fleurieu Peninsula on the 30th. This resulted in 8 houses with roof damage at Port Willunga around 9:30pm CST. July weather in Adelaide Rainfall: Adelaide's rainfall for July 2006 to date is 34.2 mm, recorded on 14 days. This is 42.3 mm below the average of 76.5 mm on 17 days. Last year 42.8 mm was recorded in July on 21 days. This has been the driest July since 1997 when only 22.2 mm was recorded. The driest ever July was in 1899 when only 10.1mm was recorded.The total rainfall for the first seven months of 2006 is 206 mm. Last year 255.0 mm was recorded over the same period. The average rainfall for the first seven months is 316.6 mm. The total rainfall for the first two months of winter 2006 is 46.6 mm. This is 112.6 mm below the average of 159.2 mm for the same period. The 2006 June/July period is the second driest on record, the previous driest was in 1913 when only 33.6mm was recorded.Temperatures: The mean maximum temperature for July 2006 was 15.3 ° C, which is equal to the normal July mean maximum of 15.3 ° C. The mean July maximum last year was 15.5 ° C. Maximum temperatures ranged from 12.0°C on the 14th July to 18.8°C on the 10th July. The mean minimum temperature for July 2006 was 7.5 ° C, which is 0.1 ° C above the normal July mean minimum of 7.4 ° C. Last July, the mean minimum was 7.8 ° C. Minimum temperatures ranged from 2.2°C on the 20th of July to 11.6°C on the 1st July.Ends
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