Thursday, 1 March 2007 - Monthly Climate Summary for South Australia - Product code IDCKGC13R0
Temperatures were well above normal or highest on record for February, while rainfall was mostly average to below average.
Rainfall totals were average in the south of the Northwest and Far North Pastoral Districts, with an isolated pocket of above average rainfall over Tarcoola, to below average over the north with embedded areas of very much below average rainfall. Most of the Northeast district reported average totals.
Rainfall totals varied widely ranging from zero at a few stations to over 20 mm at isolated stations. The highest total of 106 mm, in a thunderstorm, was recorded at Maynards Well near Leigh Creek in the Far North Pastoral district.
Below to very much below average rainfall was reported over the southern agricultural areas. Most of the Riverland, Murray Mallee and Upper Southeast, along with the far west of the Western Agricultural district and northern agricultural parts, reported average rainfall totals.
Rainfall totals in excess of 50 mm were confined to isolated stations in the Upper North district. Totals in the range 10 to 25 mm were confined to the remainder of the Upper North, most of the Murray Mallee and parts of the Upper Southeast. Elsewhere rainfall totals were at the lower end of the 0 to 10 mm range, with many stations reporting no rainfall for February.
The highest rainfall in the Agricultural districts was 54 mm at Black Rock and Wilpena Pound, in the Upper North district.
South Australian summer rainfall was mostly average to above average, with very much above average totals over central and northeast areas of the state. Isolated small areas of below and very much below average were confined to coastal parts of the Western Agricultural districts, the northwest corner of the state and a small pocket east of Marree.
Summer rainfall totals in excess of 100 mm were reported from many stations in all districts, except Kangaroo Island and the Adelaide Plains districts where all totals were below 50 mm. Much of the Far North, Western Agricultural and Yorke Peninsula districts recorded totals below 50 mm.
The remaining districts of the State reported totals mainly in the range 50 to 100 mm.
The highest summer rainfall in the State was 211 mm at Hawker, in the Upper North district.
Some sites had their lowest total February rainfall on record.
Some sites had their lowest total February rainfall for at least 20 years.
Western and northern South Australia saw record high mean maximum temperatures this month. The mean maximum temperature in these areas was up to 6°C above average. This was also the case over much of Western Australia and the southwest of the Northern Territory. The remainder of South Australian experienced very much above average temperatures, with maximum temperatures between 1 and 4°C above average. Mean minimum temperatures across the state were above average by similar amounts.
In the Pastoral districts mean maximum temperatures ranged from 34.1°C at Yunta in the North East Pastoral district, to 40.6°C at Marree in the Far North Pastoral district. In the Agricultural districts mean maxima ranged from 23.0°C at Cape Willoughby on Kangaroo Island, to 36.1°C at Kyancutta in the Western Agricultural District.
The highest maximum recorded during the month was 47.9°C at Nullarbor in the Western Agricultural on the 17th.
Mean minimum temperatures were up to 5°C above average over the northwest of the State, and 1 to 2°C above average over most of the remainder.
In the Pastoral districts mean minimum temperatures ranged from 16.4°C at Gluepot Station in the Northeast Pastoral district, to 24.5°C at Moomba Airport in the Far North district. In the Agricultural districts mean minima ranged from 13.2°C at Naracoorte Aerodrome in the Lower Southeast district to 20.6°C at Port Augusta Aero in the Western Agricultural district.
The lowest minimum recorded during the month was 4.8°C at Robe Aerodrome in the Lower Southeast district on the 8th.
Above average to very much above average temperatures were experienced across the State this Summer. Mean maximum temperatures were as much as 3°C above average, and mean minimum temperatures as much as 2°C above average.
Some sites had their highest February temperature on record.
Some sites had their highest February mean daily maximum temperature on record.See a map of mean maximum temperatures. See a map of maximum temperature anomalies.
Some sites had their warmest February night (highest daily minimum temperature) on record.See a map of mean minimum temperatures. See a map of minimum temperature anomalies.
On the 14th, thunderstorms resulted in flash flooding at Hawker in the Flinders District and very heavy rainfall near Jamestown, in the Mid North, where 45 mm was reported in 1 and 1/4 hours.
Thunderstorms in the Flinders district resulted in very heavy rainfall at Black Rock (53 mm in 1 and 1/2 hours) and flash flooding between Oodla Wirra and Pitcairn Station on the 19th.
On the 20th, a thunderstorm produced very heavy rainfall at Maynards Well in the Northeast Pastoral district where 62 mm fell in 1/2 hour. A thunderstorm in the Northwest Pastoral generated a southeasterly wind gust of 117km/h at Tarcoola.
There were two.
On the 17th, extreme fire weather was recorded in 10 districts.
On the 18th, extreme fire weather was recorded in 8 districts.
No rainfall was recorded in Adelaide, (Kent Town) during February 2007. The average is 13.7 mm on 4 days. Last year, 15.6 mm was recorded in February on 4 days.
Adelaide's rainfall for summer 2006/07 was 57.0 mm, 4.5 mm below the average summer rainfall of 61.5 mm. Rainfall for last summer was 94.4 mm. This was the driest summer since 2003/04 when 49.2 mm was recorded in Adelaide.
The mean maximum temperature for February 2007 was 32.9°C, which is 3.7°C above the normal February mean maximum of 29.2°C. This has been the warmest February mean maximum since 1906 when it averaged 33.0°C. The February mean maximum last year was 27.2°C. In addition, there were 17 days with a maximum temperature above 30°C this February, 5 days above the average number of 12.
The mean minimum temperature for February 2007 was 19.0°C, which is 1.9°C above the normal February mean minimum of 17.1°C. This has been the warmest February mean minimum since 2004 when the mean minimum was 17.8°C. Last February, the mean minimum was 15.5°C.
The mean maximum temperature for summer 2006/07 was 30.3°C, which is 1.9°C above the average of 28.4°C. Last summer the mean maximum temperature was 28.9°C. This has been the warmest mean maximum temperature for summer since 2003/4 when the mean maximum was 29.0°C.The mean minimum temperature for summer was 17.6°C, which is 1.0°C above the average of 16.6°C. Last summer the mean minimum temperature was 17.1°C. This has been the warmest mean minimum temperature for summer since 2000/1 when the mean minimum was 18.8°C.
|47.6°C at Nullarbor on the 17th|
|Warmest days on average|
Highest mean daily maximum temperature
|40.6°C at Marree Comparison|
|Coolest days on average|
Lowest mean daily maximum temperature
|23.0°C at Cape Willoughby|
Lowest daily maximum temperature
|17.3°C at Parawa (Second Valley Forest AWS) on the 11th|
|4.8°C at Robe Airfield on the 8th|
|Coolest nights on average|
Lowest mean daily minimum temperature
|13.2°C at Naracoorte Aerodrome|
|Warmest nights on average|
Highest mean daily minimum temperature
|25.1°C at Oodnadatta Airport|
Highest daily minimum temperature
|30.9°C at Noarlunga on the 18th|
Highest total rainfall
|106.0 mm at Leigh Creek (Maynards Well)|
|Highest wind gust||117 km/h at Tarcoola Aero on the 20th|
|Record lowest total February rainfall|
for February 2007 (mm)
|Happy Valley Reservoir||0.0||= 0.0||in 1991||22.1||134|
|Port Pirie Zinifex Comparison||0.0||= 0.0||in 2002||17.9||131|
|Cape Willoughby||0.0||= 0.0||in 1965||17.9||126|
|North Adelaide||0.0||= 0.0||in 1991||20.6||123|
|Marree Comparison||0.0||= 0.0||in 2005||20.7||122|
|Rosedale (Turretfield Research Centre)||0.0||= 0.0||in 1991||18.2||112|
|Cleve||0.0||= 0.0||in 1991||22.2||111|
|Maitland||0.0||= 0.0||in 1970||22.5||106|
|Finniss||0.0||= 0.0||in 1933||21.6||94|
|Kyancutta||0.0||= 0.0||in 2002||15.0||78|
|Mount Bold Reservoir||0.0||= 0.0||in 1991||26.9||69|
|Price||0.0||= 0.0||in 2002||20.4||63|
|Oodnadatta Airport||0.0||= 0.0||in 2005||32.2||59|
|Parafield Airport||0.0||= 0.0||in 1991||18.0||59|
|Braemar||0.0||= 0.0||in 2002||21.5||43|
|Cleve Aerodrome||0.0||= 0.0||in 1991||17.7||43|
|Edinburgh RAAF||0.0||= 0.0||in 2002||16.5||35|
|Adelaide (Kent Town)||0.0||= 0.0||in 2002||13.2||31|
|Kensington Upper (Burnside)||0.0||= 0.0||in 1920||17.8||29|
|Adelaide (Hope Valley Reservoir)||0.0||= 0.0||in 2002||16.4||28|
|Marla Police Station||0.0||= 0.0||in 2005||27.8||21|
|Lowest total February rainfall for at least 20 years|
for February 2007 (mm)
Most recent lower
|Farrell Flat||0.2||0.0||in 1985||20.4||22|
|Record highest February mean daily maximum temperature|
Mean daily maximum
for February 2007 (°C)
|Mount Barker||31.7||30.5||in 2000||26.6||107|
|Oodnadatta Airport||40.3||40.2||in 2001||36.5||59|
|Eudunda||32.5||= 32.5||in 2004||28.9||43|
|Murray Bridge Comparison||32.9||32.5||in 1983||29.2||41|
|Adelaide (Kent Town)||32.9||32.7||in 1997||29.2||31|
|Marla Police Station||40.2||39.4||in 1991||36.0||21|
|Record highest February temperature|
in February 2007 (°C)
|Elliston||43.5||on the 17th||43.2||on the 19th in 1980||25.6||45|
|Nullarbor||47.6||on the 17th||45.8||on the 6th in 1993||27.8||21|
|Record highest February daily minimum temperature|
Highest daily minimum
in February 2007 (°C)
|Kyancutta||28.7||on the 18th||27.9||on the 20th in 1969||14.3||78|
|Mount Gambier Aero||27.7||on the 18th||27.1||on the 8th in 1983||11.6||66|
|Adelaide Airport||30.3||on the 18th||29.8||on the 8th in 1970||16.0||53|
|Cleve||30.7||on the 18th||30.5||on the 20th in 1980||15.9||51|
|Maitland||29.2||on the 18th||29.0||on the 3rd in 1993||15.8||50|
|Meningie||28.5||on the 18th||= 28.5||on the 12th in 1977||13.8||41|
|Whyalla Aero||29.6||on the 18th||28.2||on the 19th in 2000||17.6||25|
|Coonawarra||26.8||on the 18th||26.0||on the 8th in 2001||11.5||22|
In the following table, certain key sites have been highlighted to make them easier to identify.
|Summary statistics for February 2007|
|Northwest (district 16)|
|Coober Pedy Airport||38.1||+2.7||42.2||5th||23.8||+2.2||18.8||12th||0.0||12.4||lowest||0%|
|Marla Police Station||40.2||+4.2||43.5||17th||23.3||+2.0||16.5||12th||0.0||27.8||lowest||0%|
|Far North (district 17)|
|Leigh Creek Airport||37.0||+2.7||42.9||5th||22.2||+1.9||16.3||9th||21.2||23.1||normal||92%|
|Western Agricultural (district 18)|
|Neptune Island||23.2||+1.0||31.5||17th||17.4||+0.9||15.1||7th||1.0||13.6||very low||7%|
|North Shields||27.4||+1.5||44.1||17th||17.1||+1.1||14.1||13th||0.6||12.0||very low||5%|
|Port Augusta Aero||35.6||43.2||4th||20.6||14.1||9th||0.4|
|Upper North (district 19)|
|Northeast (district 20)|
|Lower North (district 21)|
|Clare High School||32.3||+2.5||38.9||17th||16.0||+1.2||9.4||9th||0.0||25.8||lowest||0%|
|Port Pirie Aerodrome||34.2||41.8||4th||18.5||11.5||8th||2.7|
|Port Pirie Zinifex Comparison||34.5||+2.7||43.0||4th||19.9||+2.1||13.5||8th||0.0||17.9||lowest||0%|
|Yorke Peninsula (district 22A)|
|Stenhouse Bay||26.2||+1.4||42.5||17th||18.0||+1.0||15.0||7th||1.2||16.3||very low||7%|
|Kangaroo Island (district 22B)|
|Cape Borda AWS||27.0||35.6||17th||15.0||11.1||7th||4.2|
|Cape Borda Comparison||26.6||+3.4||34.6||17th||15.5||+1.2||11.5||7th||3.4||16.9||low||20%|
|Kingscote Aero||28.6||+2.3||40.2||17th||14.5||+1.2||7.9||9th||1.6||14.6||very low||11%|
|Adelaide Plains (district 23A)|
|County Light (district 23B)|
|Mount Lofty Ranges (district 23°C)|
|Hindmarsh Island AWS||25.8||40.8||17th||16.9||11.1||9th||0.6|
|Kuitpo Forest Reserve||28.6||38.8||4th||15.7||10.5||7th||1.0|
|Mount Crawford Fire Tower||30.1||+3.2||38.0||4th||15.5||+1.3||8.6||7th||3.2||24.1||low||13%|
|Upper Murray Valley (district 24A)|
|Loxton Research Centre||34.2||+3.0||42.0||5th||16.0||+1.9||10.6||7th||3.2||17.6||low||18%|
|Lower Murray Valley (district 24B)|
|Murray Bridge Comparison||32.9||+3.8||43.0||4th||16.0||+1.4||10.2||8th||1.2||18.3||low||7%|
|Murray Mallee (district 25A)|
|Upper Southeast (district 25B)|
|Lower Southeast (district 26)|
|Mount Gambier Aero||28.4||+3.3||40.1||17th||14.0||+2.4||7.3||1st||3.2||26.1||very low||12%|
|Robe Comparison||23.9||+1.4||36.0||17th||14.9||+1.3||10.7||1st||0.6||18.6||very low||3%|
This statement has been prepared based on information available at 2 pm on Thursday 1 March 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 10 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.