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Tuesday, 4 October 2005
MONTHLY CLIMATE SUMMARY - SOUTH AUSTRALIAN REGIONAL OFFICE Above average rainfall over northern agricultural areas of SARainfall during September was above to very much above average over central parts of the State, while temperatures were mostly near normal.September rainfall Pastoral Districts:Rainfall over the Pastoral districts was above average to very much above average over the Northeast district, much of the Far North district and the southern half of the Northwest district. Isolated areas of below average rainfall were reported in the north of the Far North and Northwest districts, while over the remainder of these areas totals were near average.Rainfall totals in excess on 50 mm were reported over parts of these districts, and while over the Northeast district totals were mostly in the range 25 to 50 mm, many stations over the Northwest and Far North districts reported totals below 10 mm. The highest rainfall total for September was 93 mm recorded at Blinman, in the Far North district. Agricultural Districts: Very much above average rainfall totals were confined to the central parts of the Western Agricultural district. Above average totals were reported from the remainder of the Western Agricultural district, the Upper North district, most of the Yorke Peninsula and parts of the Lower North and Murray districts. Below average totals were recorded over most of the Lower Southeast district as well as southern parts of Kangaroo Island and the Upper Southeast district. Elsewhere in these districts totals were near average. Rainfall totals over 75mm were confined to parts of the Mount Lofty Ranges as well as isolated stations in the Lower North, and County Light districts. Totals in the range 50 to 75 mm were reported from most districts with the exception of Kangaroo Island, Riverland, Murray Mallee and Upper Southeast districts where totals were mostly between 25 and 50 mm. Ceduna, where records began in 1939 had 87.0mm, its wettest ever September and three times the monthly average of 29mm. The highest rainfall reported in the Agricultural Districts was recorded at Lenswood, in the Mount Lofty Ranges district with 98mm.
September temperatures Maximum: Maximum temperatures were up to 1.5°C above average over the north of the State and within 1°C of normal over the remainder during September. Mean maximum temperatures in the Pastoral Districts ranged from 20.1°C at Yunta, in the Northeast district to 27.9°C at Marla in the Northwest district. The highest temperature recorded in the Pastoral districts was 38.4°C at Moomba Airport on the 28th.Maximum temperatures over the Agricultural Districts ranged from 14.4°C at Mount Crawford, in the Mt. Lofty Ranges district, to 22.0°C at Port Augusta, in the Western Agricultural district. The highest temperature recorded in the Agricultural districts was 33.0°C at Nullarbor on the 6th. Minimum: Minimum temperatures were up to 2.0°C above normal over the northern half of the State and within 1°C of normal over the remainder. Mean minimum temperatures ranged from 5.6°C at Yongala, in the Upper North district, to 13.0°C at Oodnadatta, in the Far North district. The lowest temperature recorded in South Australia for September was -1.2°C at Yongala on the 18th.
Significant September weather Thunderstorms:On the 28th, high based convection near a dry line in the NorthEast Pastoral resulted in a wind gust to 91 km/h at Moomba.Severe Winds:On the 10th a low pressure system and associated trough intensified near the west coast of Eyre Peninsula and moved northeastward over South Australia. A wind gust to 95 km/h was observed at Nullarbor with the passage of this system. The passage of a front associated with a low well south of Australia on the 28th resulted in a gust to 91km/h at Elliston and Minlaton, and gales force winds at Ceduna briefly (63km/h). Rainfall:Ceduna, where records began in 1939 had a record September rainfall of 87.0 mm. A contributing factor was a record daily rainfall total for September of 44.2 mm on the 25th.
September weather in Adelaide Rainfall: Adelaide’s rainfall for September 2005 was 59.2 mm, recorded on 19 days. This is 4.9 mm below the normal of 64.4 mm on 14 days. Last year, 58.0 mm was recorded in September on 16 days.The total rainfall for the first nine months of 2005 was 405.0 mm. Last year 472.8 mm was recorded over the same period. The average rainfall for the first nine months is 460.4 mm. Temperatures: The mean maximum temperature for September 2005 was 18.9°C, which is 0.1°C above the normal September mean maximum of 18.8°C. The mean September maximum last year was 18.4°C. The mean minimum temperature for September 2005 was 9.7°C, which is 0.1°C above the normal September mean minimum of 9.6°C. Last September, the mean minimum was 9.1°C.
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