Wednesday, 1 June 2005

MONTHLY CLIMATE SUMMARY - TASMANIA

A dry season - Tasmania in autumn 2005

Rainfall for autumn was below normal in most parts of Tasmania, especially in the north of the state. Average daytime temperatures were mostly above normal, whilst average overnight temperatures were close to normal.

Below are tables of extremes, some new records, and summaries for sites across the Tasmania for autumn 2005. There are separate statements for each of the months March, April and May 2005.

Further information

Climate Services Section
Tasmania and Antarctica Regional Office
Bureau of Meteorology
Phone (03) 6221 2043
Email climate.tas@bom.gov.au

Extremes

Weather extremes during autumn 2005
Highest temperature Hottest day	33.8 °C	Ouse Fire Station on 13th Mar
Highest mean daily maximum temperature Warmest days on average	19.2 °C	Launceston (Ti Tree Bend)
Lowest mean daily maximum temperature Coolest days on average	8.8 °C	Mount Read
Lowest daily maximum temperature Coldest day	-0.4 °C	Mount Wellington on 25th May
Lowest temperature Coldest night	-7.1 °C	Liawenee on 17th May
Lowest mean daily minimum temperature Coldest nights on average	1.6 °C	Liawenee
Highest mean daily minimum temperature Mildest nights on average	12.4 °C	Swan Island
Highest daily minimum Warmest night	19.4 °C	Flinders Island Airport on 10th Apr
Highest total rainfall Wettest overall	974 mm	Mount Read
Lowest total rainfall Driest overall	40 mm	Flinders Island Airport
Highest daily rainfall Wettest day	59 mm	Lake Margaret Power Station on 25th May

Records

Record Lowest Total Rainfall for autumn
	Total rainfall for autumn 2005 (mm)	Previous lowest for autumn		Years of record
Flinders Island Airport	40.0	71.8	in 1967	63
Devonport Airport	48.6	57.4	in 2002	42
Memana	52.2	70.1	in 1967	40
Scottsdale	82.4	90.6	in 2002	34

Burnie, Frankford and Deal Island had their driest autumn since 1945. Latrobe, Ulverstone and Lady Barron had their driest autumn since 1967.

Summaries

Summary statistics for autumn 2005
	Maximum temperatures for autumn (°C)			Minimum temperatures for autumn (°C)			Rainfall for autumn (mm)
	Mean for 2005	Difference from normal	Highest for 2005	Mean for 2005	Difference from normal	Lowest for 2005	Total for 2005	Normal total	Ranking
Hobart	17.5	+0.3	29.7	9.2	+0.3	2.9	99	144	low
Launceston	19.2	+0.3	30.5	7.1	-0.3	-1.4	53	148	very low
Burnie	18.2	+0.6	25.2	10.4	+0.4	3.0	69	221	very low
Devonport Airport	18.0	+0.5	24.9	8.7	+0.2	1.5	49	185	lowest
Swansea	19.1	+0.6	30.1	8.2	0	-0.8	81	149	low
Strahan	16.6	0	31.3	8.7	+0.2	1.2	355	348	normal
Strathgordon	14.1	-0.1	26.6	7.1	+0.1	1.0	552	588	normal
King Island Airport	18.0	+0.5	29.4	10.7	+0.4	2.8	112	188	very low
Flinders Island Airport	19.1	+0.4	32.6	10.9	+0.2	0.8	40	191	lowest
Bicheno	19.1	+0.5	30.4	10.1	-0.1	4.5	79	175	very low
Bridport	18.2	-0.1	25.8	9.6	+0.1	1.8	73	147	lowest
Bull Bay	17.7	+0.4	26.5	9.6	-0.1	2.8	88	131	low
Bushy Park	18.6	+0.7	33.4	5.5	-0.8	-2.0	106	133	normal
Campania	19.1		33.0	7.6		-1.0	87
Cape Bruny	16.0	+0.6	27.5	10.0	+0.4	5.2	157	233	low
Cape Grim	16.8	+0.3	24.0	11.3	-0.2	6.0	89	174	very low
Cressy	18.6		30.9	5.7		-4.4	65
Dover	17.1	+0.2	28.6	7.6	+0.3	0.7	115	205	low
Eddystone Point	18.9	+0.9	30.1	11.4	-0.1	4.5	80	192	very low
Fingal	18.7	+0.4	32.2	5.2	-0.1	-4.2	57	147	very low
Friendly Beaches	19.0		31.4	9.7		3.1	81
Geeveston	17.3	+0.1	30.2	6.5	+0.2	-1.5	143	195	low
Grove	17.9	+0.4	30.7	6.4	+0.3	-1.6	108	171	low
Grove	17.8		30.4	6.1		-2.2	112
Hartz Mountain	11.4		26.5	4.5		-2.5
Hobart Airport	18.6	+0.6	31.1	9.2	+0.5	3.3	79	117	low
Lake Leake	14.6	+0.4	27.4	4.2	+0.1	-4.3	102	207	low
Lake St Clair	13.4	+0.3	25.1	3.1	+0.4	-3.7	361	396	normal
Launceston Airport	18.7		31.4	6.5		-2.6	60
Launceston Airport (old site)	18.1	+0.7	30.2	6.3	-0.4	-2.6	63	152	very low
Liawenee	12.7		25.6	1.6		-7.1
Low Head	17.5		23.1	11.2		4.9	66
Luncheon Hill	16.3	+0.6	27.7	8.4	+0.4	2.7	278
Maatsuyker Island	14.4	-0.1	27.7	9.6	+0.1	2.2	188	311	very low
Maria Island	17.7		25.0	10.7		4.0	90
Marrawah	16.9	0	27.0	10.3	+0.1	5.0	169	253	very low
Maydena	16.1	0	30.9	5.3	-0.1	-3.9	231	258	normal
Melton Mowbray	17.8		32.5	6.3		-3.1	78
Moogara	14.4	+0.5	27.8	5.7	+0.2	-0.3	166	175	normal
Mount Read	8.8		22.7	3.3		-3.0	974
Mount Wellington	9.1	+1.0	22.0	2.2	+0.2	-5.7
Orford	18.2	-0.1	30.0	8.6	+0.2	1.5	105	165	normal
Ouse	18.6		33.8	5.4		-3.2	96
Powranna	16.3	-1.7	26.5	6.2	+0.2	-3.0	71	113	low
Ross	18.3	+0.8	32.1	5.9	+0.6	-4.1	71	94	normal
Scamander	18.7	+0.1	28.9	9.4	0	4.0	83	196	very low
Scotts Peak Dam	14.6		28.9	6.6		0.5
Scottsdale	18.1	0	29.7	7.4	-0.4	-0.2	82	234	lowest
Sheffield	17.1		27.3	7.2		1.5	90
Smithton	17.8		27.5	7.6		0.0	103
St Helens	18.5		29.5	9.2		1.1	68
Swan Island	17.9		25.8	12.4		6.5	63
Tarraleah	14.5	+0.5	29.3	4.1	+0.1	-2.5	204	272	low
Tasman Island	15.1		24.5	9.4		1.1	166
Tunnack	15.6		29.3	5.5		-3.3	94
Warra	13.9		27.7	6.2		-0.1
Wynyard	18.1	+0.7	26.5	7.0	-0.1	-0.5	93	216	low

Note

This statement has been prepared based on information available at 10 am on Wednesday 1 June 2005 . Although every effort has been made to check them, it is possible that results will change as new information becomes available.

"Normals" are based on all available years of record, which vary widely from site to site . Sites without normals shown do no have sufficient record for them to be calculated reliably.

The "Ranking" indicates about where rainfall this time ranks in the climate record for the site.

Further information

Climate Services Section
Tasmania and Antarctica Regional Office
Bureau of Meteorology
Phone (03) 6221 2043
Email climate.tas@bom.gov.au