Monday, 1 May 2017 - Monthly Climate Summary for Tasmania - Product code IDCKGC17R0
Tasmania in April 2017: above average temperatures, mostly below average rain
April brought many dry, mild days to Tasmania, with the mean temperature for the month above average and rainfall below average. There were some unseasonably warm days around the 20th, but a cold outbreak on the 26th.
Another mild month
- Daytime temperatures were above average across Tasmania, typically by around one degree
- There were several very warm days, especially from the 5th to the 8th and again from the 18th to the 22nd
- The 20th and 21st were especially warm and several sites set new records for late-season high temperatures, including Launceston (26.0 °C on the 21st), Devonport (22.8 °C on the 21st), Wynyard (22.5 °C on the 21st), Scottsdale (24.8 °C on the 20th), Ross (25.5 °C on the 20th), and Cape Sorell (23.5 °C on the 20th)
- A front late on the 25th brought a cold day on the 26th and a cold morning on the 27th; the coldest since October for many sites
- The State mean maximum temperature was 0.78 °C above average and the mean minimum temperature 0.31 °C above average, giving an overall mean temperature that was 0.54 °C above average
Rainfall below average in the west
- Relatively few rain-bearing westerly winds meant rainfall was below average in much of Tasmania, and especially in the western highlands and in the far northwest
- A cold front with associated low passing near the State on the 9th brought rain to most areas, as did a series of troughs and lows from the 22nd to the 27th
- Some localised moderate falls ensured the Central North and Midlands had near-average rain for the month
- Overall, Tasmania's total rainfall was 40% below average
A mild April in Hobart
- It was a mild month in Hobart: a mean maximum temperature of 19.2 °C was 1.9 °C above the long-term average (but still a degree cooler than the record-setting April 2016)
- Hobart had five consecutive days over 20 °C from the 17th to the 21st; a rare (but not unknown) occurrence so late in the season
- The mean minimum temperature in the city was 9.8 °C, which is 0.8 °C above the long-term average
- At 3.3 °C, Hobart's minimum temperature on the morning of the 27th was the lowest April temperature recorded in the city since 2009
- Total rainfall for the month was 21.6 mm, less than half the long-term April average of 50.5 mm
Further information
- Media
- media@bom.gov.au (03) 9669 4057
- Enquiries
- helpdesk.climate@bom.gov.au
Extremes Maps Records Summaries Important notes the top
| Extremes in April 2017 | |
|---|---|
| Hottest day | 26.5 °C at Strahan Aerodrome on the 20th |
| Warmest days on average | 19.7 °C at Launceston (Ti Tree Bend) |
| Coolest days on average | 9.1 °C at Mount Read |
| Coldest day | 0.1 °C at Kunanyi (Mount Wellington Pinnacle) and Mount Read on the 26th |
| Coldest night | -4.6 °C at Liawenee on the 3rd |
| Coolest nights on average | 2.7 °C at Liawenee |
| Warmest nights on average | 13.1 °C at Hogan Island and Swan Island |
| Warmest night | 17.4 °C at Swan Island on the 8th |
| Warmest on average overall | 15.9 °C at Hogan Island and Swan Island |
| Coolest on average overall | 6.6 °C at Kunanyi (Mount Wellington Pinnacle) |
| Wettest overall | 190.0 mm at Mount Read |
| Wettest day | 49.6 mm at Boat Harbour on the 24th |
| Strongest wind gust | 115 km/h at Kunanyi (Mount Wellington Pinnacle) on the 28th |
Extremes Maps Records Summaries Important notes the top
| Maps | |||
|---|---|---|---|
| Observed | Anomaly | Decile rank | |
| Total rainfall |
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| Mean daily maximum temperatures |
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| Mean daily minimum temperatures |
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Click on a map to show it full size in a pop-up window
| Lowest April total rainfall for at least 20 years | |||||
|---|---|---|---|---|---|
|
Observed (mm) |
Most recent lower |
Average for April |
|||
| Woodbridge | 22.6 | 18.0 | in 1945* | 76.5 | |
| Three Hummock Island | 30.4 | 19.6 | in 1945* | 69.8 | |
* note: there are gaps in the historical record at this site, so it is possible a lower value has gone unreported
| Record highest April temperature | ||||||
|---|---|---|---|---|---|---|
|
New record (°C) |
Old record |
Years of record |
Average for April |
|||
| Cape Sorell | 23.5 | on the 20th | 23.2 | on the 1st in 2014 | 20 | 15.5 |
| Record highest April mean daily maximum temperature | |||||
|---|---|---|---|---|---|
|
New record (°C) |
Old record |
Years of record |
Average for April |
||
| Cape Sorell | 17.8 | = 17.8 | in 2016 | 76 | 15.5 |
| Record highest April mean daily minimum temperature | |||||
|---|---|---|---|---|---|
|
New record (°C) |
Old record |
Years of record |
Average for April |
||
| Bridport (Sea View Villas) | 11.2 | 11.1 | in 2010 | 22 | 9.5 |
Extremes Maps Records Summaries Important notes the top
| Summary statistics for April 2017 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum temperatures (°C) |
Minimum temperatures (°C) |
Rainfall (millimetres) |
||||||||||
| Mean for April 2017 |
Diff from average |
Highest for April 2017 |
Mean for April 2017 |
Diff from average |
Lowest for April 2017 |
Total for April 2017 |
Average for April |
Rank of April 2017 |
Fraction of April average |
|||
| Northern (district 91) | ||||||||||||
| Bridport (Sea View Villas) | 25.0 | 21st | 11.2 | +1.7 | 3.2 | 27th | 57.0 | 60.3 | average | 95% | ||
| Burnie (Round Hill) | 18.6 | +0.8 | 22.3 | 21st | 11.4 | +1.4 | 4.8 | 27th | 69.4 | 73.0 | average | 95% |
| Cape Grim | 17.5 | 21.6 | 8th | 12.0 | 6.2 | 27th | 29.8 | |||||
| Cape Grim BAPS (Comparison) | 17.7 | +1.1 | 21.8 | 20th | 12.0 | +0.6 | 6.1 | 27th | 30.2 | 63.9 | low | 47% |
| Cressy Research Station | 18.7 | +0.4 | 24.7 | 21st | 6.0 | +0.5 | -1.1 | 27th | 67.2 | 42.8 | high | 157% |
| Devonport Airport | 18.5 | +0.8 | 22.8 | 21st | 9.6 | +0.9 | 1.9 | 27th | 83.6 | 60.2 | high | 139% |
| Launceston (Ti Tree Bend) | 19.7 | +0.8 | 26.0 | 21st | 8.0 | +0.5 | 1.0 | 27th | 32.2 | 50.8 | low | 63% |
| Launceston Airport | 18.6 | +0.4 | 25.0 | 21st | 6.9 | +0.2 | 0.3 | 27th | 35.0 | 43.0 | average | 81% |
| Low Head | 18.3 | +0.6 | 20.9 | 21st | 11.6 | +0.5 | 5.8 | 27th | 48.6 | 54.6 | average | 89% |
| Luncheon Hill (Forestry) | 16.6 | +0.9 | 22.9 | 20th | 9.5 | +1.4 | 2.1 | 27th | 69.8 | 97.6 | low | 72% |
| Marrawah | 17.9 | +1.0 | 23.7 | 7th | 10.8 | +0.5 | 4.5 | 27th | 74.2 | 83.3 | average | 89% |
| Scottsdale (West Minstone Road) | 18.4 | +0.4 | 24.8 | 20th | 9.1 | +1.1 | 3.9 | 17th | 36.2 | 77.4 | low | 47% |
| Sheffield School Farm | 16.8 | +0.3 | 21.7 | 20th | 7.8 | +0.8 | 0.3 | 27th | 89.8 | 66.1 | high | 136% |
| Smithton Aerodrome | 18.3 | +0.5 | 23.6 | 6th | 7.6 | -0.1 | 0.3 | 15th | 61.0 | 58.0 | average | 105% |
| Wynyard Airport | 18.4 | +0.8 | 22.5 | 21st | 7.8 | +0.7 | -0.7 | 27th | 69.2 | 71.0 | average | 97% |
| East Coast (district 92) | ||||||||||||
| Bicheno (Council Depot) | 19.3 | +0.4 | 25.0 | 6th | 10.4 | +0.1 | 6.0 | 27th | 16.3 | 58.3 | low | 28% |
| Fingal (Legge Street) | 19.2 | +0.9 | 26.4 | 20th | 4.8 | -0.6 | -1.7 | 2nd | 29.4 | 51.1 | average | 58% |
| Friendly Beaches | 19.3 | +0.5 | 26.4 | 6th | 10.1 | +0.3 | 4.5 | 27th | 26.2 | 47.6 | low | 55% |
| Lake Leake (Elizabeth River) | 15.0 | +0.8 | 21.9 | 20th | 3.8 | -0.4 | -2.4 | 27th | 48.0 | 68.2 | average | 70% |
| Larapuna (Eddystone Point) | 19.2 | +1.3 | 23.8 | 8th | 12.4 | +1.3 | 8.1 | 27th | 34.4 | 65.1 | low | 53% |
| Maria Island (Point Lesueur) | 17.9 | +0.2 | 23.4 | 6th | 11.8 | +0.5 | 7.9 | 27th | 9.4 | 34.1 | v low | 28% |
| Orford (Aubin Court) | 18.5 | +0.1 | 25.5 | 6th | 8.7 | +0.3 | 3.6 | 27th | 23.6 | 55.3 | low | 43% |
| St Helens Aerodrome | 19.0 | +0.5 | 23.9 | 8th | 9.7 | +0.1 | 5.2 | 27th | 18.8 | 54.0 | v low | 35% |
| Swan Island | 18.8 | +0.6 | 23.1 | 7th | 13.1 | +0.3 | 6.2 | 27th | 43.2 | 48.7 | average | 89% |
| Swansea (Francis Street) | 19.2 | 26.1 | 6th | 8.0 | 3.6 | 3rd | 25.4 | |||||
| Midlands (district 93) | ||||||||||||
| Ross (The Boulevards) | 18.5 | +0.9 | 25.5 | 20th | 5.0 | -0.6 | -2.7 | 27th | 41.8 | 34.9 | average | 120% |
| Southeast (district 94) | ||||||||||||
| Campania (Kincora) | 19.6 | +0.6 | 26.3 | 6th | 7.4 | 0.0 | 1.0 | 27th | 33.2 | 32.1 | average | 103% |
| Cape Bruny (Cape Bruny) | 17.5 | +1.0 | 24.0 | 7th | 10.6 | +0.6 | 6.2 | 27th | 34.4 | 52.5 | low | 66% |
| Cape Bruny Lighthouse | 17.1 | +1.6 | 23.3 | 7th | 10.9 | +1.2 | 6.8 | 27th | 34.8 | 78.8 | v low | 44% |
| Dennes Point | 18.3 | 24.1 | 8th | 10.6 | 5.9 | 27th | 12.6 | |||||
| Dover | 17.9 | +1.1 | 25.5 | 8th | 7.2 | +0.1 | 2.0 | 27th | 36.8 | 66.0 | low | 56% |
| Dunalley (Stroud Point) | 18.7 | 25.9 | 8th | 10.9 | 5.6 | 27th | 19.8 | |||||
| Grove (Research Station) | 18.3 | +0.4 | 25.8 | 21st | 5.6 | -0.1 | -0.7 | 27th | 30.8 | 44.1 | average | 70% |
| Hobart (Ellerslie Road) | 19.2 | +1.9 | 25.5 | 6th | 9.8 | +0.8 | 3.3 | 27th | 21.6 | 50.3 | low | 43% |
| Hobart Airport | 19.2 | +1.0 | 25.5 | 8th | 9.1 | +0.3 | 3.9 | 27th | 17.8 | 40.8 | low | 44% |
| Kunanyi (Mount Wellington Pinnacle) | 9.9 | +1.5 | 17.3 | 20th | 3.3 | +1.1 | -3.0 | 27th | 48.2 | 84.8 | low | 57% |
| Maatsuyker Island Lighthouse | 15.2 | +0.7 | 23.4 | 20th | 11.0 | +1.5 | 6.7 | 27th | 80.0 | 107.6 | low | 74% |
| Melton Mowbray (North Stockman) | 18.2 | +0.8 | 24.2 | 20th | 5.8 | 0.0 | -2.2 | 27th | 27.0 | 27.8 | average | 97% |
| Tasman Island | 16.1 | +1.0 | 23.2 | 20th | 10.9 | +1.0 | 5.7 | 27th | 35.4 | 62.5 | low | 57% |
| Tunnack Fire Station | 16.3 | +0.9 | 23.3 | 6th | 4.8 | -0.4 | -3.8 | 27th | 27.2 | 41.1 | average | 66% |
| Derwent Valley (district 95) | ||||||||||||
| Bushy Park (Bushy Park Estates) | 19.4 | +1.4 | 25.9 | 21st | 5.4 | -0.7 | -1.4 | 27th | 15.4 | 45.6 | low | 34% |
| Maydena Post Office | 16.9 | +0.9 | 24.9 | 7th | 6.0 | +0.5 | -1.0 | 27th | 30.4 | 77.1 | v low | 39% |
| Ouse Fire Station | 18.6 | +0.2 | 24.9 | 7th | 5.0 | +0.1 | -1.0 | 27th | 32.2 | 30.0 | average | 107% |
| Central Plateau (district 96) | ||||||||||||
| Butlers Gorge | 14.5 | +1.4 | 21.7 | 20th | 3.4 | 0.0 | -1.8 | 18th | 57.8 | 140.1 | v low | 41% |
| Lake St Clair National Park | 13.7 | +0.6 | 20.7 | 22nd | 3.1 | +0.2 | -2.5 | 27th | 73.2 | 130.1 | low | 56% |
| Liawenee | 13.0 | +0.8 | 20.0 | 20th | 2.7 | +1.0 | -4.6 | 3rd | 94.4 | 66.0 | high | 143% |
| West Coast (district 97) | ||||||||||||
| Cape Sorell | 17.8 | +2.3 | 23.5 | 20th | 11.8 | +1.5 | 5.8 | 27th | 47.2 | 107.6 | v low | 44% |
| Hartz Mountain (Keoghs Pimple) | 12.0 | +1.0 | 21.0 | 21st | 5.8 | +1.3 | -0.2 | 27th | 35.8 | 67.3 | v low | 53% |
| Low Rocky Point | 17.0 | 24.3 | 20th | 10.6 | 5.8 | 27th | 62.8 | 107.0 | low | 59% | ||
| Mount Read | 9.1 | +0.2 | 16.5 | 19th | 4.4 | +1.0 | -1.6 | 27th | 190.0 | 276.0 | low | 69% |
| Scotts Peak Dam | 16.6 | +1.9 | 23.6 | 21st | 7.8 | +1.1 | 2.1 | 27th | 80.6 | 123.2 | low | 65% |
| Strahan Aerodrome | 18.3 | +1.5 | 26.5 | 20th | 9.2 | +0.8 | 2.5 | 27th | 92.8 | 114.0 | average | 81% |
| Warra | 14.4 | +0.9 | 21.0 | 20th | 5.7 | -0.1 | -0.3 | 3rd | 57.0 | 121.6 | v low | 47% |
| King Island (district 98) | ||||||||||||
| King Island Airport | 18.5 | +0.7 | 25.5 | 7th | 11.3 | +0.8 | 5.9 | 27th | 44.4 | 56.4 | average | 79% |
| Flinders Island (district 99) | ||||||||||||
| Flinders Island Airport | 19.6 | +0.8 | 26.3 | 8th | 9.7 | -1.0 | 2.9 | 27th | 66.4 | 58.1 | average | 114% |
| Hogan Island | 18.7 | +0.4 | 24.5 | 7th | 13.1 | 0.0 | 8.4 | 27th | 48.4 | 51.6 | average | 94% |
| Note: From 2017, information about Macquarie Island can be found in the climate summary for the Remote Islands and Antarctica | ||||||||||||
Extremes Maps Records Summaries Important notes the top
Notes
The Monthly climate summary, generally published on the first working day of each month, lists the main features of the weather in Tasmania using the most timely and accurate information available on the date of publication; it will generally not be updated. More extensive discussion of significant weather events, along with later information and data that has had greater opportunity for quality control, will be presented in the Monthly Weather Review.
This statement has been prepared based on information available at 9 am on Monday 1 May 2017. Some checks have been made on the data, but it is possible that results will change as new information becomes available.
In some situations, some or all of the rainfall is in the form of hail or snow. In these cases the totals given are for the water equivalent: the depth of liquid water that results from melting any frozen precipitation. There can be significant 'undercatch' of snow in strong winds, meaning the true precipitation can be higher than that reported.
Averages for individual sites 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 long-term average rain.
From 2017, information about Macquarie Island can be found in the climate summary for the Remote Islands and Antarctica
The Rank indicates how rainfall this time compares with the climate record for the site,
based on the
decile ranking
(very low rainfall is in decile 1, low in decile 2 or 3,
average in decile 4 to 7, high in decile 8 or 9
and very high is in decile 10).
The Fraction of average shows how much rain has fallen this time as a
percentage of the long-term mean.
Where temperature area averages are mentioned, they are derived from the ACORN-SAT dataset.
Further information
- Media
- media@bom.gov.au (03) 9669 4057
- Enquiries
- helpdesk.climate@bom.gov.au
Unless otherwise noted, all maps, graphs and diagrams in this page are licensed under the Creative Commons Attribution 4.0 International Licence
