Friday, 1 March 2013 - Monthly Climate Summary for Victoria - Product code IDCKGC16R0
Victoria in February 2013:
Rainfall slightly more than that usually received;
Lengthy warm and sunny periods.
Extremes Records Summaries Important notes the top
Summary
Bureau of Meteorology data show that across the State of Victoria, overnight minimum temperatures were warmer than those usually experienced Daytime maximum temperatures at most localities were much warmer than those registered in the past. Total rainfall for the month was generally slightly more than that usually received.
Details
In the Mallee, overnight minimum temperatures were much warmer than those usually experienced (average departure from normal 1.8°C). Daytime maximum temperatures at most localities were much warmer than those registered in the past (average departure from normal 2.4°C). Total rainfall for the month was generally less than that usually received (average percentage of normal received 64.5%).
In the Wimmera, overnight minimum temperatures were near to those usually experienced (average departure from normal 0.2°C). Daytime maximum temperatures at most localities were warmer than those registered in the past (average departure from normal 1.3°C). Total rainfall for the month was generally more than that usually received (average percentage of normal received 148%).
In the Northern Country, overnight minimum temperatures were much warmer than those usually experienced (average departure from normal 2°C). Daytime maximum temperatures at most localities were much warmer than those registered in the past (average departure from normal 1.9°C). Total rainfall for the month was generally much more than that usually received (average percentage of normal received 155.5%).
In Victoria's North Central District, overnight minimum temperatures were much warmer than those usually experienced (average departure from normal 1.5°C). Daytime maximum temperatures at most localities were much warmer than those registered in the past (average departure from normal 2.3°C). Total rainfall for the month was generally slightly more than that usually received (average percentage of normal received 132.5%).
In the North East District, overnight minimum temperatures were warmer than those usually experienced (average departure from normal 1.2°C). Daytime maximum temperatures at most localities were much warmer than those registered in the past (average departure from normal 2.2°C). Total rainfall for the month was generally slightly less than that usually received (average percentage of normal received 70.7%).
In East Gippsland, overnight minimum temperatures were warmer than those usually experienced (average departure from normal 1.4°C). Daytime maximum temperatures at most localities were much warmer than those registered in the past (average departure from normal 1.6°C). Total rainfall for the month was generally close to that usually (average percentage of normal received 97.5%).
In West Gippsland, overnight minimum temperatures were much warmer than those usually experienced (average departure from normal 1.5°C). Daytime maximum temperatures at most localities were warmer than those registered in the past (average departure from normal 1°C). Total rainfall for the month was generally close to that usually (average percentage of normal received 90%).
In the Central District, overnight minimum temperatures were warmer than those usually experienced (average departure from normal 1.2°C). Daytime maximum temperatures at most localities were much warmer than those registered in the past (average departure from normal 2.3°C). Total rainfall for the month was generally slightly more than that usually received (average percentage of normal received 130%).
In the Western District, overnight minimum temperatures were much warmer than those usually experienced (average departure from normal 1.7°C). Daytime maximum temperatures at most localities were much warmer than those registered in the past (average departure from normal 2.2°C). Total rainfall for the month was generally much more than that usually received (average percentage of normal received 158%).
Records
Some sites had their highest total February rainfall for at least 10 years.
Some sites had their highest February mean daily maximum temperature on record.
Some sites had their highest February mean daily maximum temperature for at least 10 years.
Some sites had their highest February mean daily minimum temperature on record.
Some sites had their highest February mean daily minimum temperature for at least 10 years.
Extremes in February 2013 | |
---|---|
Hottest day |
40.4 °C at Mildura Airport on the 6th 40.4 °C at Yarrawonga on the 7th |
Warmest days on average | 34.2 °C at Mildura Airport |
Coolest days on average | 16.4 °C at Mount Hotham |
Coldest day | 4.3 °C at Mount Hotham on the 1st |
Coldest night | -2.2 °C at Mount Hotham on the 2nd |
Coolest nights on average | 8.4 °C at Mount Hotham |
Warmest nights on average | 18.4 °C at Hume Reservoir |
Warmest night | 23.8 °C at Edenhope Airport on the 18th |
Warmest on average overall | 26.1 °C at Mildura Airport |
Coolest on average overall | 12.4 °C at Mount Hotham |
Wettest overall | 163.4 mm at Corryong Airport |
Highest wind gust | 91 km/h at Wilsons Promontory Lighthouse on the 28th |
Extremes Records Summaries Important notes the top
Highest total February rainfall for at least 10 years | |||||
---|---|---|---|---|---|
Total rainfall for February 2013 (mm) |
Most recent February at least this wet |
Years since wetter |
Average for February |
||
Ballarat Aerodrome | 115.2 | 240.3 | in 1973 | 40 | 44.6 |
Birchip (Woodlands) | 53.4 | 54.2 | in 2003 | 10 | 23.5 |
Natimuk | 43.0 | 81.0 | in 2003 | 10 | 24.4 |
Record highest February mean daily maximum temperature | |||||
---|---|---|---|---|---|
Mean daily maximum temperature for February 2013 (°C) |
Previous warmest for February |
Years of record |
Average for February |
||
Orbost | 27.5 | 27.1 | in 2007 | 12 | 25.2 |
Highest February mean daily maximum temperature for at least 10 years | |||||
---|---|---|---|---|---|
Mean daily maximum temperature for February 2013 (°C) |
Most recent February at least this warm |
Years since warmer |
Average for February |
||
Gelantipy | 25.0 | 26.5 | in 2000 | 13 | 22.8 |
Melbourne Regional Office | 29.2 | 30.1 | in 2000 | 13 | 25.8 |
Mortlake Racecourse | 29.3 | 30.9 | in 2000 | 13 | 26.1 |
Mount Moornapa | 26.9 | 28.2 | in 2000 | 13 | 24.4 |
Scoresby Research Institute | 29.8 | 29.9 | in 2000 | 13 | 26.4 |
Cape Nelson Lighthouse | 23.0 | 24.5 | in 2001 | 12 | 21.2 |
Hamilton Airport | 28.8 | 30.0 | in 2001 | 12 | 26.6 |
Port Fairy AWS | 24.6 | 26.7 | in 2001 | 12 | 22.8 |
Portland (Cashmore Airport) | 25.0 | 25.4 | in 2001 | 12 | 22.4 |
Warrnambool Airport NDB | 27.2 | 28.3 | in 2001 | 12 | 24.6 |
Record highest February mean daily minimum temperature | |||||
---|---|---|---|---|---|
Mean daily minimum temperature for February 2013 (°C) |
Previous warmest for February |
Years of record |
Average for February |
||
Portland (Cashmore Airport) | 15.1 | 14.8 | in 2001 | 30 | 12.7 |
Cape Nelson Lighthouse | 16.7 | 16.6 | in 2001 | 17 | 15.1 |
Highest February mean daily minimum temperature for at least 10 years | |||||
---|---|---|---|---|---|
Mean daily minimum temperature for February 2013 (°C) |
Most recent February at least this warm |
Years since warmer |
Average for February |
||
Port Fairy AWS | 15.9 | 16.4 | in 2001 | 12 | 14.5 |
Warrnambool Airport NDB | 14.1 | 14.3 | in 2001 | 12 | 12.3 |
Extremes Records Summaries Important notes the top
Summary statistics for February 2013 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum temperatures for February (°C) |
Minimum temperatures for February (°C) |
Rainfall for February (millimetres) |
||||||||||
Mean for February 2013 |
Diff from average |
Highest for February 2013 |
Mean for February 2013 |
Diff from average |
Lowest for February 2013 |
Total for February 2013 |
Average for February |
Rank of February 2013 |
Fraction of February average |
|||
Southwest Slopes (South) (district 72) | ||||||||||||
Albury Airport AWS | 32.7 | +1.8 | 39.5 | 8th | 17.1 | +0.9 | 10.8 | 2nd | 2.0 | 49.4 | v low | 4% |
Hume Reservoir | 32.2 | +1.8 | 38.3 | 8th | 18.4 | +1.9 | 13.1 | 2nd | 22.8 | 43.8 | average | 52% |
North Mallee (district 76) | ||||||||||||
Mildura Airport | 34.2 | +2.6 | 40.4 | 6th | 18.0 | +1.5 | 10.2 | 2nd | 14.4 | 22.4 | average | 64% |
Ouyen (Post Office) | 33.6 | +2.1 | 40.2 | 6th | 17.3 | +2.0 | 8.4 | 2nd | 12.8 | 23.9 | average | 54% |
Walpeup Research | 33.4 | +2.2 | 40.0 | 6th | 17.1 | +1.7 | 8.0 | 2nd | 7.8 | 23.4 | average | 33% |
South Mallee (district 77) | ||||||||||||
Hopetoun Airport | 33.2 | 40.2 | 6th | 15.9 | 7.7 | 2nd | 6.6 | |||||
Swan Hill Aerodrome | 33.4 | +1.3 | 39.6 | 6th | 16.8 | +0.8 | 8.8 | 2nd | 11.0 | 23.5 | average | 47% |
North Wimmera (district 78) | ||||||||||||
Nhill Aerodrome | 31.4 | 39.2 | 18th | 14.3 | 7.6 | 20th | 16.2 | 12.0 | average | 135% | ||
Warracknabeal Museum | 31.6 | +1.0 | 39.0 | 6th | 15.2 | +1.0 | 8.3 | 1st | 36.4 | 21.8 | high | 167% |
South Wimmera (district 79) | ||||||||||||
Edenhope Airport | 29.9 | 39.2 | 18th | 14.2 | 7.6 | 1st | 15.2 | |||||
Grampians (Mount William) | 21.5 | 30.0 | 6th | 9.6 | 2.7 | 1st | 27.2 | |||||
Horsham Aerodrome | 31.4 | +1.2 | 39.7 | 6th | 12.7 | +0.3 | 6.0 | 11th | 29.4 | 26.0 | average | 113% |
Kanagulk | 30.3 | 38.9 | 18th | 13.2 | 8.1 | 1st | 12.8 | |||||
Longerenong | 31.4 | +1.5 | 38.4 | 6th | 14.1 | +0.9 | 6.8 | 1st | 22.0 | 23.5 | average | 94% |
Pyrenees (Ben Nevis) | 26.2 | 33.0 | 25th | 13.1 | 4.7 | 1st | 42.6 | |||||
Stawell Aerodrome | 29.6 | +1.2 | 36.9 | 6th | 14.4 | +0.7 | 9.6 | 5th | 50.2 | 33.1 | high | 152% |
Lower North (district 80) | ||||||||||||
Charlton | 32.8 | 39.4 | 6th | 16.4 | 8.2 | 1st | 18.4 | |||||
Echuca Aerodrome | 32.7 | +2.1 | 38.9 | 7th | 16.8 | +1.6 | 10.0 | 2nd | 27.4 | 26.9 | average | 102% |
Kerang | 33.0 | +1.9 | 39.2 | 6th | 17.5 | +2.3 | 9.3 | 2nd | 30.0 | 23.9 | high | 126% |
Kyabram | 32.0 | +2.2 | 38.6 | 7th | 16.5 | +1.7 | 8.6 | 2nd | 42.0 | 29.6 | high | 142% |
Upper North (district 81) | ||||||||||||
Bendigo Airport | 31.4 | +2.2 | 37.0 | 7th | 15.7 | +1.4 | 9.5 | 2nd | 49.2 | 36.1 | average | 136% |
Shepparton Airport | 32.1 | +1.3 | 39.2 | 7th | 16.4 | +1.5 | 10.5 | 5th | 76.0 | 43.9 | high | 173% |
Tatura Inst Sustainable Ag | 30.9 | +1.5 | 37.6 | 7th | 15.7 | +1.3 | 8.5 | 2nd | 50.0 | 34.1 | high | 147% |
Yarrawonga | 32.8 | +1.5 | 40.4 | 7th | 16.9 | +1.1 | 9.5 | 2nd | 30.2 | 50.6 | average | 60% |
Lower Northeast (district 82) | ||||||||||||
Benalla Airport | 32.6 | 39.0 | 7th | 16.2 | 11.3 | 6th | 43.7 | |||||
Corryong Airport | 32.0 | 38.4 | 8th | 13.4 | 8.6 | 3rd | 163.4 | |||||
Dartmouth Reservoir | 30.0 | +0.9 | 37.0 | 8th | 14.4 | +0.7 | 11.0 | 6th | 81.8 | 57.9 | high | 141% |
Hunters Hill | 26.6 | +1.6 | 33.0 | 8th | 14.7 | +0.8 | 5.2 | 2nd | 109.6 | 81.2 | average | 135% |
Rutherglen Research | 33.0 | +2.3 | 39.3 | 8th | 15.0 | +1.1 | 6.5 | 2nd | 9.0 | 38.7 | low | 23% |
Strathbogie | 29.1 | +1.9 | 35.0 | 7th | 13.2 | +1.5 | 6.1 | 2nd | 112.2 | 44.8 | v high | 250% |
Wangaratta Aero | 32.9 | +2.1 | 40.1 | 7th | 14.6 | +0.8 | 9.0 | 2nd | 23.6 | 48.5 | average | 49% |
Upper Northeast (district 83) | ||||||||||||
Dinner Plain (Mount Hotham Airport) | 21.9 | +0.6 | 28.7 | 8th | 8.8 | +0.8 | 0.9 | 2nd | 94.8 | 86.1 | average | 110% |
Edi Upper | 32.2 | +2.9 | 37.6 | 7th | 14.7 | +0.8 | 9.0 | 1st | 71.6 | 64.2 | average | 112% |
Falls Creek | 17.7 | +0.6 | 22.6 | 25th | 9.3 | +0.8 | -1.4 | 2nd | 115.6 | 102.4 | high | 113% |
Mount Buller | 19.1 | +2.2 | 24.1 | 25th | 10.2 | +1.4 | -1.6 | 2nd | 109.4 | 78.6 | high | 139% |
Mount Hotham | 16.4 | +0.7 | 21.7 | 8th | 8.4 | +0.4 | -2.2 | 2nd | 150.4 | 110.3 | high | 136% |
Omeo | 26.6 | 33.5 | 8th | 10.6 | 3.2 | 2nd | 76.4 | |||||
East Gippsland (district 84) | ||||||||||||
Combienbar AWS | 25.9 | +1.6 | 35.0 | 7th | 13.8 | +0.4 | 8.1 | 2nd | 104.4 | 92.4 | average | 113% |
Gabo Island Lighthouse | 22.5 | +0.9 | 26.3 | 9th | 17.3 | +1.1 | 13.4 | 2nd | 90.4 | 68.6 | high | 132% |
Gelantipy | 25.0 | +2.2 | 34.0 | 8th | 12.2 | +0.8 | 4.6 | 2nd | 76.6 | 74.6 | average | 103% |
Lakes Entrance (Eastern Beach Road) | 24.4 | 35.5 | 7th | 14.5 | 10.0 | 2nd | 44.1 | |||||
Mallacoota | 24.0 | +0.2 | 34.4 | 7th | 16.1 | +0.5 | 10.9 | 13th | 94.4 | 65.9 | high | 143% |
Mount Nowa Nowa | 26.0 | +1.7 | 34.2 | 6th | 15.0 | +0.8 | 8.7 | 2nd | 53.4 | 72.0 | average | 74% |
Orbost | 27.5 | +2.3 | 39.3 | 7th | 15.2 | +0.7 | 10.1 | 2nd | 35.8 | 66.9 | average | 54% |
Point Hicks (Lighthouse) | 24.6 | +0.9 | 33.6 | 7th | 16.6 | +0.5 | 11.9 | 2nd | 41.5 | 58.2 | average | 71% |
West Gippsland (district 85) | ||||||||||||
Bairnsdale Airport | 26.9 | +1.5 | 37.2 | 7th | 13.5 | +0.7 | 5.7 | 2nd | 46.6 | 50.6 | average | 92% |
East Sale Airport | 26.5 | +1.2 | 35.7 | 6th | 14.2 | +1.0 | 8.2 | 2nd | 56.6 | 43.3 | high | 131% |
Morwell (Latrobe Valley Airport) | 28.8 | +2.4 | 37.2 | 25th | 13.8 | +1.0 | 7.1 | 2nd | 47.4 | 46.2 | average | 103% |
Mount Baw Baw | 17.9 | +1.4 | 25.2 | 25th | 8.9 | +0.7 | 0.1 | 1st | 101.0 | 103.9 | average | 97% |
Mount Moornapa | 26.9 | +2.5 | 36.7 | 7th | 14.4 | +0.9 | 8.0 | 2nd | 51.0 | 74.8 | average | 68% |
Pound Creek | 26.4 | 36.5 | 18th | 13.6 | 6.0 | 11th | 39.6 | |||||
Willow Grove (Blue Rock Reservoir) | 27.0 | +0.8 | 34.8 | 18th | 14.0 | +0.6 | 8.0 | 2nd | 58.9 | 54.3 | average | 108% |
Wilsons Promontory Lighthouse | 21.2 | +0.7 | 30.5 | 6th | 16.8 | +2.0 | 12.4 | 1st | 19.4 | 46.8 | low | 41% |
Yarram Airport | 25.5 | 34.9 | 6th | 13.6 | 6.3 | 11th | 47.0 | |||||
East Central (district 86) | ||||||||||||
Bundoora (Latrobe University) | 29.1 | +2.4 | 37.2 | 6th | 15.1 | +0.9 | 9.0 | 5th | 81.3 | 45.0 | high | 181% |
Cerberus | 26.8 | +1.9 | 36.6 | 18th | 14.9 | +0.6 | 8.6 | 5th | 49.6 | 41.5 | high | 120% |
Coldstream | 30.7 | +3.3 | 38.1 | 25th | 12.6 | +0.6 | 5.0 | 2nd | 70.0 | 57.8 | average | 121% |
Coldstream Comparison | 30.6 | 38.0 | 25th | 12.5 | 4.9 | 2nd | 70.0 | |||||
Cranbourne Botanic Gardens | 27.9 | +2.4 | 36.5 | 7th | 14.1 | +0.1 | 9.1 | 1st | 53.1 | 53.7 | average | 99% |
Essendon Airport | 28.8 | +3.2 | 37.5 | 6th | 15.8 | +2.0 | 10.1 | 1st | 59.0 | 47.2 | high | 125% |
Ferny Creek | 26.2 | 33.5 | 25th | 14.2 | 7.5 | 2nd | 88.6 | |||||
Frankston AWS | 27.2 | +2.5 | 35.2 | 6th | 16.4 | +0.4 | 11.8 | 1st | ||||
Melbourne Airport | 29.0 | +2.5 | 37.2 | 6th | 15.3 | +1.2 | 8.8 | 1st | 54.6 | 44.4 | high | 123% |
Melbourne Regional Office | 29.2 | +3.4 | 37.2 | 6th | 17.6 | +3.0 | 12.2 | 1st | 70.4 | 48.1 | high | 146% |
Moorabbin Airport | 28.5 | +2.5 | 37.0 | 6th | 15.5 | +1.2 | 10.2 | 2nd | 61.0 | 46.9 | high | 130% |
Phillip Island Penguin Reserve | 23.9 | +0.1 | 35.4 | 18th | 14.7 | +0.8 | 9.0 | 5th | 39.5 | 34.7 | average | 114% |
Rhyll | 26.1 | +1.9 | 34.2 | 6th | 16.7 | +0.8 | 12.3 | 1st | 68.6 | 44.4 | high | 155% |
Scoresby Research Institute | 29.8 | +3.4 | 36.9 | 6th | 14.6 | +0.8 | 7.6 | 2nd | 89.8 | 54.2 | high | 166% |
Viewbank | 30.2 | +3.0 | 37.4 | 6th | 15.3 | +0.7 | 10.1 | 2nd | 85.8 | 54.0 | high | 159% |
Wallan (Kilmore Gap) | 27.6 | +3.3 | 35.2 | 25th | 14.0 | +1.4 | 7.2 | 1st | 80.0 | 55.4 | average | 144% |
Wonthaggi | 26.1 | +1.5 | 35.6 | 18th | 15.0 | +1.7 | 10.5 | 20th | 60.0 | 46.7 | high | 128% |
West Central (district 87) | ||||||||||||
Avalon Airport | 28.0 | +1.9 | 38.7 | 18th | 15.3 | +0.9 | 8.6 | 2nd | 54.0 | 35.3 | high | 153% |
Breakwater (Geelong Racecourse) | 27.2 | 38.4 | 18th | 15.0 | 9.6 | 2nd | 28.4 | |||||
Laverton RAAF | 27.4 | +1.9 | 37.4 | 18th | 15.5 | +1.3 | 10.6 | 1st | 53.4 | 47.4 | high | 113% |
Sheoaks | 27.8 | +2.6 | 36.1 | 18th | 13.0 | +0.3 | 7.9 | 1st | 42.8 | 42.7 | average | 100% |
North Central (district 88) | ||||||||||||
Castlemaine Prison | 29.5 | +1.2 | 36.0 | 25th | 15.3 | +1.9 | 6.0 | 2nd | 34.7 | 38.6 | average | 90% |
Eildon Fire Tower | 29.1 | +2.5 | 35.6 | 25th | 15.2 | +1.5 | 6.6 | 2nd | 59.8 | 46.9 | high | 128% |
Lake Eildon | 31.7 | +2.8 | 37.1 | 25th | 14.1 | +1.3 | 4.7 | 2nd | 65.4 | 43.0 | high | 152% |
Mangalore Airport | 31.9 | +2.7 | 38.4 | 7th | 15.6 | +1.3 | 9.6 | 2nd | 35.6 | 35.7 | average | 100% |
Maryborough | 30.7 | +2.0 | 38.7 | 6th | 14.7 | +1.5 | 6.7 | 2nd | 50.4 | 33.0 | high | 153% |
Redesdale | 31.0 | +2.4 | 37.2 | 7th | 14.3 | +1.0 | 8.7 | 1st | 56.8 | 38.0 | high | 149% |
Western Plains (district 89) | ||||||||||||
Ararat Prison | 29.0 | +2.0 | 35.9 | 6th | 12.6 | +1.3 | 7.6 | 11th | 30.8 | 33.1 | average | 93% |
Ballarat Aerodrome | 27.7 | +2.7 | 34.7 | 6th | 12.8 | +1.3 | 6.1 | 2nd | 115.2 | 44.6 | v high | 258% |
Westmere | 29.1 | 37.1 | 6th | 11.3 | 5.2 | 5th | 13.6 | |||||
West Coast (district 90) | ||||||||||||
Aireys Inlet | 24.0 | +1.1 | 38.3 | 18th | 15.7 | +1.0 | 10.2 | 1st | 28.6 | 37.0 | average | 77% |
Cape Nelson Lighthouse | 23.0 | +1.8 | 38.9 | 18th | 16.7 | +1.6 | 12.2 | 1st | 31.2 | 25.2 | average | 124% |
Cape Otway Lighthouse | 22.0 | +0.4 | 37.3 | 18th | 15.9 | +2.0 | 11.3 | 5th | 32.0 | 42.2 | average | 76% |
Casterton | 29.1 | 39.0 | 18th | 14.1 | 5.5 | 1st | 11.2 | |||||
Colac (Mount Gellibrand) | 27.2 | +2.3 | 37.5 | 18th | 13.9 | +1.1 | 8.0 | 1st | 17.0 | 30.9 | average | 55% |
Dartmoor | 28.7 | 40.3 | 18th | 14.1 | 7.5 | 1st | 16.4 | |||||
Hamilton Airport | 28.8 | +2.2 | 38.2 | 18th | 12.8 | +1.6 | 6.9 | 1st | 15.6 | 24.4 | average | 64% |
Mortlake Racecourse | 29.3 | +3.2 | 38.4 | 6th | 12.0 | +0.4 | 3.8 | 11th | 22.6 | 34.0 | low | 66% |
Port Fairy AWS | 24.6 | +1.8 | 40.2 | 18th | 15.9 | +1.4 | 10.3 | 5th | 29.4 | 30.8 | average | 95% |
Portland (Cashmore Airport) | 25.0 | +2.6 | 38.8 | 18th | 15.1 | +2.4 | 10.5 | 4th | 24.2 | 26.9 | average | 90% |
Portland NTC AWS | 22.2 | 36.9 | 18th | 16.9 | 12.6 | 1st | ||||||
Warrnambool Airport NDB | 27.2 | +2.6 | 40.0 | 18th | 14.1 | +1.8 | 6.6 | 5th | 20.4 | 32.5 | low | 63% |
Extremes Records Summaries Important notes the top
Notes
A Monthly Climate Summary is prepared to list the main features of the weather in Victoria using the most timely and accurate information available on the date of publication; it will generally not be updated. Later information, including data that has had greater opportunity for quality control, will be presented in the Monthly Weather Review, usually published in the fourth week of the month.
This statement has been prepared based on information available at 4 am on Friday 1 March 2013. Some checks have been made on the data, but it is possible that results will change as new information becomes available.
Averages 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.
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.
The ACORN-SAT dataset is being used for temperature area averages from December 2012 onwards. The major change from earlier datasets is that the ACORN-SAT dataset commences in 1910, rather than 1950, and hence rankings are calculated using a larger set of years.
Further information
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