Thursday, 1 May 2008 - Monthly Climate Summary for South Australia - Product code IDCKGC13R0
Rainfall over most of the Pastoral districts was generally below average, but some locations in the southern parts of the districts received near normal rainfall for April.
Rainfall totals were generally less than 8mm, with several stations including Coober Pedy, Mount Eba, Moomba and Oodnadatta receiving no rainfall for the month.
The highest rainfall total was 15.0 mm at the Gluepot Reserve in the Northeast district.
Rainfall totals over the Agricultural districts were generally near average.
Totals were typically 20 to 35 mm, tending 35 to 55 mm on the Adelaide plains and the Mount Lofty ranges. Some northern and eastern Agricultural districts only received rainfall totals in the 10 to 20 mm range.
The highest rainfall reported in the Agricultural districts was 88.4 mm at Bridgewater in the Mount Lofty ranges.
The majority of the state had mean monthly maximum temperatures between 0.5°C and 1.5°C above normal with the higher departure from average in the western regions, up to 2.0°C above average. The regions with mean maximum temperatures below average were confined to the northeastern parts of the state, up to 1.0°C below the average.
Oodnadatta Airport and Marla Police Station recorded the highest daily maximum for the month in the Pastoral areas, with 34.0°C on the 9th and 10th respectively. The Gluepot Reserve recorded the coolest with 12.8°C on the 27th.
Mean maximum temperatures across the Pastoral districts ranged from 28.4°C at Oodnadatta Airport in the Far North district down to 23.4°C at Yunta in the Northeast district.
Mean maximum temperatures across the Agricultural districts ranged from 26.1°C at Port Augusta in the Western Agricultural district down to 15.6°C at Mount Lofty in the Mount Lofty ranges.
The highest daily maximum temperature of 36.7°C was recorded at Nullarbor on the 7th. The coolest daily maximum was 7.3°C at Mount Lofty on the 27th.
The western areas of the state, the mean minimum temperatures was up to 1°C above the monthly average whilst the eastern districts recorded mean minimum temperatures up to 1.5°C below the average.
Mean minimum temperatures in the Pastoral districts ranged from 6.5°C at the Gluepot Reserve in the Northeast district, to 13.9°C at Oodnadatta in the Far North district.
The lowest recorded daily minimum temperature in the Pastoral districts was -0.8°C at Yunta, on the 29th. The warmest was 22.5°C at Marla on the 11th.
Across the Agricultural areas mean minimum temperatures ranged from 6.1°C at Coonawarra in the Lower Southeast district to 15.0°C at Neptune Island.
The lowest recorded daily minimum temperature in the Agricultural districts was 0.5°C at Coonawarra in the Lower Southeast district on the 27th. The warmest daily minimum temperature was at Cleve on the 9th when a daily minimum of 21.9°C was recorded.
Some sites had their coldest April day (lowest maximum temperature) on record.See a map of mean maximum temperatures.
Some sites had their lowest April temperature on record.See a map of mean minimum temperatures.
Strong to gale force northwest to southwest winds with local severe squalls occurred in most districts on the 2nd in association with the passage of a vigorous cold front. Widespread raised dust was reported inland. Cape Willoughby recorded the strongest northwest wind gust of 137 km/h with several other locations recording wind gusts in excess of 100 km/h mainly in coastal areas.
|36.7 °C at Nullarbor on the 7th|
|Warmest days on average|
Highest mean daily maximum temperature
|28.3 °C at Oodnadatta Airport|
|Coolest days on average|
Lowest mean daily maximum temperature
|18.3 °C at Parawa (Second Valley Forest AWS)|
Lowest daily maximum temperature
|9.5 °C at Mount Crawford Fire Tower on the 27th|
|-0.8 °C at Yunta Airstrip on the 29th|
|Coolest nights on average|
Lowest mean daily minimum temperature
|6.1 °C at Coonawarra|
|Warmest nights on average|
Highest mean daily minimum temperature
|15.0 °C at Neptune Island|
Highest daily minimum temperature
|22.5 °C at Marla Police Station on the 11th|
Highest total rainfall
|95.6 mm at Cudlee Creek|
|Highest wind gust||137 km/h at Cape Willoughby on the 2nd|
|Record lowest April daily maximum temperature|
Lowest daily maximum
in April 2008 (°C)
|Strathalbyn||12.4||on the 27th||13.8||on the 23rd in 1965||123||21.8|
|Yongala||10.0||on the 27th||11.1||on the 23rd in 1972||52||21.9|
|Renmark||13.4||on the 27th||14.0||on the 8th in 1964||58||24.2|
|Warooka||14.4||on the 26th||14.5||on the 26th in 1982||49||22.0|
|Loxton Research Centre||13.1||on the 27th||14.4||on the 27th in 1982||45||23.8|
|Eudunda||11.0||on the 27th||11.7||on the 26th in 1982||44||21.4|
|Nonning||15.6||on the 27th||15.8||on the 25th in 1971||37||24.9|
|Hawker||14.8||on the 27th||15.6||on the 27th in 1992||35||25.5|
|Kadina||15.4||on the 27th||15.5||on the 27th in 1992||32||23.8|
|Record lowest April temperature|
in April 2008 (°C)
|Cape Borda||6.0||on the 27th||6.7||on the 15th in 1963||66||12.4|
|Woomera Aerodrome||4.8||on the 28th||4.9||on the 29th in 1952||60||13.0|
|Summary statistics for April 2008|
|Northwest (district 16)|
|Coober Pedy Airport||26.5||32.3||10th||13.6||6.9||28th||0|
|Marla Police Station||28.0||-0.6||34.0||10th||13.0||-0.6||5.0||28th||0.6||10.8||low||6%|
|Far North (district 17)|
|Leigh Creek Airport||25.6||-0.6||30.7||8th||11.5||-1.4||2.2||28th||1.2||10.1||low||12%|
|Western Agricultural (district 18)|
|Port Augusta Aero||25.9||34.0||9th||12.3||4.2||29th||8.0|
|Upper North (district 19)|
|Northeast (district 20)|
|Lower North (district 21)|
|Clare High School||21.1||27.9||8th||8.3||2.3||29th||35.0|
|Port Pirie Aerodrome||24.3||31.0||9th||11.5||6.1||29th||35.5|
|Port Pirie Nyrstar Comparison||24.7||-0.1||31.0||9th||13.7||+0.5||8.0||28th||33.1||27.7||high||119%|
|Yorke Peninsula (district 22A)|
|Kangaroo Island (district 22B)|
|Adelaide Plains (district 23A)|
|County Light (district 23B)|
|Mount Lofty Ranges (district 23C)|
|Hindmarsh Island AWS||21.2||30.2||8th||10.8||7.5||27th||24.8|
|Kuitpo Forest Reserve||19.6||27.6||8th||10.7||4.3||27th||49.4|
|Mount Crawford Fire Tower||18.6||26.5||9th||9.9||2.1||27th||62.2|
|Upper Murray Valley (district 24A)|
|Loxton Research Centre||23.4||-0.4||31.3||10th||7.1||-1.3||1.6||29th||8.6||16.2||normal||53%|
|Lower Murray Valley (district 24B)|
|Murray Bridge Comparison||24.0||+0.6||30.7||10th||8.6||-1.6||3.9||23rd||12.8||28.7||low||45%|
|Murray Mallee (district 25A)|
|Upper Southeast (district 25B)|
|Lower Southeast (district 26)|
|Mount Gambier Aero||19.7||+0.3||27.6||10th||8.0||-0.6||3.6||28th||40.4||54.6||normal||74%|
This statement has been prepared based on information available at 4 pm on Thursday 1 May 2008. 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
(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.