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Thursday, 31 July 2008 - Monthly Climate Summary for Northern Territory - Product code IDCKGC12x0
Above average rainfall was recorded in Arnham land in the Top End during July mainly due to an active gulfline. The rainfall remained average to below average over the rest of the Territory. Mininum temperatures were well below average in the northwestern half and the maximum temperatures were generally above average over most of the Territory.
July remained a typical dry season month with no rainfall across the whole Territory. Exception to this was some areas in the Top End and far southwest of Alice Springs district where some rainfall was recorded. Isolated active gulflines produced above average rainfall in Arnham land in the Top End whereas the raifall in the far southwest was due to the extratropical frontal systems. So far in the dry season (May to July) the rainfall over the Territory has been mostly average to below average. However, some areas in the VRD district and adjacent areas received some above average rainfall mainly due to a cloudband during June.
Some sites had their highest total July rainfall on record.
Some sites had their lowest total July rainfall on record.
Maximum temperatures were mostly above average during the month. The warm anomaly patch of above two degrees maximum extended across the Territory from northeast to the southwest with a few patches of upto 4 degrees above maximums.
Some sites had their highest July temperature on record.
Upto three degrees below normal minimum temperatures were recorded in the northwestern half of the Territory. The rest of the Territory remained slightly warmer than average with some patches of more than 2 degrees above average minimums in the far south of the Alice Springs district.
Some sites had their lowest July temperature on record.
Some sites had their warmest July night (highest daily minimum temperature) on record.
35.3°C at Bulman AWS on the 19th|
|Warmest days on average|
Highest mean daily maximum temperature
32.9°C at Middle Point AWS|
|Coolest days on average|
Lowest mean daily maximum temperature
19.7°C at Kulgera|
Lowest daily maximum temperature
13.2°C at Arltunga on the 23rd|
−3.7°C at Arltunga on the 25th|
|Coolest nights on average|
Lowest mean daily minimum temperature
2.5°C at Arltunga|
|Warmest nights on average
Highest mean daily minimum temperature
|22.3°C at Cape Don AWS|
Highest total rainfall
15.0 mm at Jabiru Airport AWS|
Highest daily rainfall
15.0 mm at Jabiru Airport AWS on the 22nd|
|Record highest July temperature|
|Highest temperature (°C)||Previous highest||Years of
|McArthur River Mine||35.0||on the 20th||34.8||on the 7th in 2005||27|
|Yulara Aero AWS||30.5||on the 30th||30.1||on the 31st in 2007||21|
|Black Point||32.7||on the 17th||32.6||on the 1st in 1991||15|
|Ngukurr||35.0||on the 20th||35.0||on the 31st in 2006||12|
|Record lowest July temperature|
|Lowest temperature (°C)||Previous lowest||Years of
|Point Fawcett AWS||9.9||on the 26th||10.2||on the 1st in 2007||10|
This table is very wide and may not fit if printed.
|Summary statistics for July 2008|
|Darwin-Daly (district 14GA)|
|Batchelor Aero AWS||32.1||+0.4||34.4||1st||15.7||−0.2||9.2||26th||0||lowest|
|Cape Don AWS||28.9||30.9||18th||22.3||19.5||26th||8.4||highest||1200%|
|Delamere Weapons Range AWS||29.2||−0.1||33.0||19th||13.5||−0.8||9.0||12th||0||lowest||0%|
|Dum In Mirrie AWS||30.4||+0.5||33.7||17th||17.0||−1.0||10.7||26th||0||highest|
|Jabiru Airport AWS||32.5||+0.8||35.2||21st||18.5||+0.2||13.5||26th||15.0||very high||469%|
|Katherine Aviation Museum||30.0||−0.5||33.5||20th||11.3||−1.5||4.6||10th||0||lowest||0%|
|McCluer Island AWS||27.3||+0.1||29.7||20th||22.7||0.0||20.4||10th||1.0||high||59%|
|Middle Point AWS||32.9||34.7||16th||12.9||5.3||26th||0|
|Pine Creek Council||30.6||33.7||18th||15.9||11.2||10th||0|
|Point Fawcett AWS||29.4||−0.2||31.7||1st||16.3||−2.5||9.9||26th||0||lowest||0%|
|Port Keats Aero AWS||31.7||34.3||1st||15.0||10.4||12th||0|
|Tindal RAAF AWS||30.4||+0.5||33.7||19th||11.2||−2.4||4.9||10th||0||lowest||0%|
|Arnhem (district 14BC)|
|Groote Eylandt Airport AWS||28.9||+0.2||32.6||19th||14.7||0.0||8.0||30th||1.0|
|Maningrida Aero AWS||30.7||33.3||15th||18.0||11.0||26th||0|
|Roper-Mcarthur (district 14DE)|
|Centre Island AWS||26.6||+0.4||28.8||13th||18.7||+0.3||16.2||12th||0.6||normal||32%|
|Daly Waters AWS||29.9||+1.2||34.0||20th||9.7||−2.4||3.4||11th||0||lowest||0%|
|McArthur River Mine||30.5||+0.6||35.0||20th||11.5||−0.5||3.8||10th||0||lowest||0%|
|Victoria (district 14F)|
|Victoria River Downs||29.6||+0.5||33.7||19th||8.2||−2.7||2.1||10th||0||lowest||0%|
|Barkly (district 15A)|
|Tennant Creek Airport||24.9||+0.4||31.3||19th||12.0||−0.2||8.1||25th||0||lowest||0%|
|Alice Springs (district 15B)|
|Alice Springs Airport||20.8||+1.1||29.2||19th||3.9||−0.1||−2.4||24th||0||lowest||0%|
|Territory Grape Farm AWS||22.6||0.0||29.3||19th||5.2||+0.3||0.3||25th||0||lowest||0%|
|Yulara Aero AWS||21.8||+1.4||30.5||30th||3.4||−1.1||−2.6||25th||4.0||normal||19%|
This statement has been prepared based on information available at 9 am on Thursday 31 July 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
the years 1800 to 2007.
They are not shown for sites with less than 10 years of record in that time, 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.