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Wednesday, 1 February 2017 - Monthly Climate Summary for Victoria - Product code IDCKGC16R0

Victoria in January 2017: warmer than average

January rainfall in Victoria was below average in the eastern parts of the State, with areas of above average rainfall in the State's west and parts of the north. Both day-time and overnight temperatures were mostly above average throughout Victoria.

Dry in the east, wet in the west

  • Rainfall in January was 8.2% below average for Victoria as a whole
  • Rainfall totals were below to very much below average across East and West Gippsland and parts of the East Central districts
  • Areas of above average rainfall were recorded in the west and parts of the State's north
  • On the 10th a low pressure trough brought rainfall to the north of Victoria, with high daily totals in the northeast; the highest daily rainfall total, 67.0 mm, was recorded at Bald Hill on that day
  • Low pressure systems and associated troughs brought widespread rainfall to the State on the 14th and the 20th, with daily totals ranging mostly between 10 and 30 mm

Warm days and nights

  • The mean maximum temperature was above the average for most of Victoria, with temperature anomaly of +1.75 °C for the State as a whole
  • Victoria experienced several warm days during January; particularly warm days on the 7th, 8th and 17th saw many sites record maximum temperatures higher than 35 °C
  • The highest maximum temperature in Victoria in January, 44.0 °C, was recorded at Swan Hill Aerodrome on the 17th
  • The mean minimum temperature was also above the average for Victoria, with temperature anomaly of +1.18 °C for the State as a whole
  • Victoria's mean minimum temperatures were above average throughout the State, except in parts of the north
  • Particularly high minimum temperatures were on the 8th, in the warm northerly airflow preceding the approaching low pressure trough, when many sites across the State recorded minimum temperatures in excess of 25 °C with some sites in Melbourne reporting their warmest January night on record on the 8th

Strong winds

  • Strong winds associated with a low pressure trough were recorded in most of the State on the 20th, with locally severe gusts; the strongest wind gust during the month was 119 km/h at Wilsons Promontory Lighthouse on that day

Further information

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Extremes Maps Records Summaries Important notes the top

Extremes in January 2017
Hottest day 44.0 °C at Swan Hill Aerodrome on the 17th
Warmest days on average 34.5 °C at Mildura Airport
Coolest days on average 17.6 °C at Mount Hotham
Coldest day 7.4 °C at Mount Baw Baw on the 14th
Coldest night 2.1 °C at Mount Buller on the 14th
2.1 °C at Mount Baw Baw on the 15th
Coolest nights on average 9.0 °C at Mount Baw Baw
Warmest nights on average 18.0 °C at Mildura Airport
Warmest night 28.9 °C at Laverton RAAF on the 8th
Warmest on average overall 26.3 °C at Mildura Airport
Coolest on average overall 13.5 °C at Mount Baw Baw
Wettest overall 182.8 mm at Mount Hotham
Wettest day 67.0 mm at Bald Hill on the 10th
Strongest wind gust 119 km/h at Wilsons Promontory Lighthouse on the 20th

Extremes Maps Records Summaries Important notes the top

Maps
ObservedAnomalyDecile rank
Total
rainfall		 Map of Rainfall totals Map of Percentage of normal rainfall Map of Rainfall deciles
Mean
daily
maximum
temperatures		 Map of Mean maximum temperature Map of Anomaly in mean maximum temperature Map of Decile rank of mean maximum temperature
Mean
daily
minimum
temperatures		 Map of Mean minimum temperature Map of Anomaly in mean minimum temperature Map of Decile rank of mean minimum temperature

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Highest January total rainfall for at least 20 years
Observed
(mm)		 Most recent
higher		 Average for
January
Mount Hotham 182.8 197.8 in 1995 103.3


Record highest January mean daily maximum temperature
New record
(°C)		 Old
record		 Years of
record		 Average for
January
Mount Moornapa 28.0 27.9 in 2001 23 25.4


Record highest January daily minimum temperature
New record
(°C)		 Old
record		 Years of
record		 Average for
January
Laverton RAAF 28.9 on the 8th = 28.9 on the 21st in 1997 74 13.8
Moorabbin Airport 28.7 on the 8th 28.6 on the 15th in 2014 46 14.2
Willow Grove (Blue Rock Reservoir) 25.2 on the 30th 23.0 on the 29th in 1999 28 13.0


Extremes Maps Records Summaries Important notes the top

Summary statistics for January 2017
Maximum temperatures
(°C)		 Minimum temperatures
(°C)		 Rainfall
(millimetres)
Mean for
January
2017		 Diff
from
average		 Highest for
January
2017		 Mean for
January
2017		 Diff
from
average		 Lowest for
January
2017		 Total for
January
2017		 Average
for
January		 Rank of
January
2017		 Fraction of
January
average
North Mallee (district 76)
Mildura Airport 34.5 +2.2 43.4 17th 18.0 +1.3 12.7 21st 29.4 22.7 high 130%
Ouyen (Post Office)     41.2 7th 16.8 +1.3 11.2 21st 32.1 21.3 high 151%
Walpeup Research 34.1 +2.2 43.7 17th 16.7 +1.4 10.4 2nd 31.2 22.6 high 138%
South Mallee (district 77)
Hopetoun Airport 33.2 +0.3 43.3 17th 14.8 -0.6 9.3 15th 23.0 35.2 average 65%
Swan Hill Aerodrome 34.4 +1.4 44.0 17th 15.8 -0.3 9.9 15th 12.6 26.6 average 47%
North Wimmera (district 78)
Kellalac (Warracknabeal Airport) 32.5   42.6 17th 13.8   8.1 15th 24.8
Nhill Aerodrome 31.3 +0.2 41.7 17th 14.0 +0.2 8.3 15th 23.2 30.6 average 76%
Warracknabeal Museum 32.2 +1.4 42.0 17th 14.3 +0.2 8.2 15th 26.6 26.3 average 101%
South Wimmera (district 79)
Edenhope Airport 29.3 -0.2 39.2 17th 13.0 -0.3 7.6 25th 31.2 35.0 average 89%
Grampians (Mount William) 21.4 +0.5 30.8 17th 10.2 +0.3 2.7 19th 59.2 76.1 average 78%
Horsham Aerodrome 31.1 +0.1 41.6 17th 13.1 +0.5 6.3 3rd 38.8 30.6 average 127%
Kanagulk 29.7 0.0 40.0 17th 12.8 -0.1 7.4 19th 39.4 39.6 average 99%
Longerenong 31.3 +1.3 42.7 17th     7.5 15th 30.8 25.0 high 123%
Pyrenees (Ben Nevis) 25.4   35.3 17th 12.1   6.4 3rd 38.6 46.3 average 83%
Stawell Aerodrome 29.5 +0.3 39.9 17th 13.7 +0.1 9.2 16th 31.6 37.0 average 85%
Lower North (district 80)
Charlton 32.9 +0.5 42.8 17th 14.3 -1.3 8.5 15th 40.4 31.9 high 127%
Echuca Aerodrome 33.0 +2.1 42.5 17th 15.7 +0.5 10.0 19th 28.0 27.7 average 101%
Kerang 33.5 +1.9 43.2 17th 16.2 +1.0 11.0 15th 16.8 23.6 average 71%
Kyabram 32.3 +2.0 42.0 17th 15.4 +0.9 10.0 21st 37.2 33.8 average 110%
Upper North (district 81)
Bendigo Airport 31.2 +1.4 41.1 17th 15.0 +0.8 10.0 19th 43.0 34.8 average 124%
Shepparton Airport 31.7 -0.1 40.4 17th 15.5 +0.3 10.3 16th 32.2 27.7 average 116%
Tatura Inst Sustainable Ag 30.7 +1.0 39.8 17th 15.2 +1.0 9.1 21st 39.6 33.6 average 118%
Yarrawonga 34.1 +1.5 42.5 30th 16.1 +0.3 9.7 19th 33.6 34.4 average 98%
Lower Northeast (district 82)
Benalla Airport 31.6 -0.6 39.3 17th 15.8 +0.2 10.4 16th 45.4 40.9 average 111%
Corryong Airport 32.9 +0.5 41.3 30th 13.9 +0.1 8.9 21st 46.4 50.5 average 92%
Dartmouth Reservoir 30.4 +1.1 36.8 30th 14.6 +0.8 9.5 15th 61.0 62.7 average 97%
Hunters Hill 27.2 +1.4 33.5 30th 15.7 +1.4 8.0 21st 65.2 64.9 average 100%
Rutherglen Research 34.1 +2.7 42.8 30th 14.1 +0.4 8.4 19th 0.2 36.7 v low 1%
Strathbogie 28.0 +0.7 36.0 17th 12.1 +0.5 6.9 16th 75.8 48.3 high 157%
Wangaratta Aero 33.3 +1.4 41.7 17th 14.7 +0.5 9.8 16th 29.8 42.3 average 70%
Upper Northeast (district 83)
Falls Creek 18.7 +1.0 23.6 17th 10.4 +1.7 3.3 21st 179.0 111.4 high 161%
Mount Buller 18.4 +1.1 24.1 17th 10.3 +1.5 2.1 14th 138.6 77.6 high 179%
Mount Hotham 17.6 +1.3 22.2 17th 9.7 +1.8 2.8 21st 182.8 103.3 v high 177%
Omeo 28.2 +1.0 34.0 17th 11.2 -0.1 3.9 19th 34.8 49.6 low 70%
East Gippsland (district 84)
Combienbar AWS 26.4 +1.0 37.1 17th 13.6 0.0 7.8 19th 0.2 71.5 lowest 0%
Gabo Island Lighthouse 22.9 +1.6 30.0 17th 16.9 +1.1 12.6 19th 20.4 69.9 low 29%
Gelantipy 25.3 +1.4 33.6 17th 12.1 +0.4 6.3 22nd 22.8 61.4 v low 37%
Lakes Entrance (Eastern Beach Road) 24.1 -0.5 36.2 30th 14.6 -0.4 8.5 19th 16.2 37.5 low 43%
Mallacoota 25.1 +0.9 39.5 17th 16.1 +0.5 10.3 19th 19.8 63.6 low 31%
Mount Nowa Nowa 24.9 +0.1 38.2 17th 14.1 -0.2 10.4 3rd 12.2 59.0 v low 21%
Point Hicks (Lighthouse) 25.1 +1.2 35.6 8th     10.8 15th 35.4 62.7 low 56%
West Gippsland (district 85)
Bairnsdale Airport 27.3 +1.4 39.3 17th 13.0 +0.1 6.3 19th 16.4 48.0 low 34%
Corner Inlet (Yanakie) 24.4   35.8 23rd 13.5   4.8 19th 32.8
East Sale Airport 26.8 +1.3 38.3 17th 14.0 +1.1 7.4 19th 11.6 44.8 low 26%
Morwell (Latrobe Valley Airport) 27.6 +1.1 36.7 17th 13.6 +0.9 4.7 19th 22.0 48.1 low 46%
Mount Baw Baw 18.1 +0.7 24.9 17th 9.0 +0.4 2.1 15th 56.0 92.0 low 61%
Mount Moornapa 28.0 +2.6 39.4 17th 12.9 -0.4 8.1 19th 12.6 63.6 low 20%
Nilma North (Warragul) 26.8   35.9 17th 13.3   4.9 19th 39.4
Pound Creek 25.3   37.7 23rd 13.2   5.1 25th 32.0 34.3 average 93%
Wilsons Promontory Lighthouse 21.9 +1.6 31.6 8th 15.6 +1.5 13.9 3rd 51.4 51.4 average 100%
Yarram Airport 25.2   36.5 17th 12.9   5.0 19th 12.2 36.1 low 34%
East Central (district 86)
Cerberus 24.8 +0.4 36.8 23rd 13.9 +0.1 7.8 25th 36.6 37.8 average 97%
Coldstream 28.7 +0.9 38.2 17th 12.7 +0.9 6.3 16th 40.8 43.1 average 95%
Cranbourne Botanic Gardens 26.1 +0.7 36.5 23rd 13.5 0.0 7.6 19th 41.8 52.2 average 80%
Essendon Airport 27.8 +1.4 38.9 17th 15.4 +1.9 9.8 19th 27.4 42.2 average 65%
Ferny Creek 23.8   33.2 17th 12.7   8.2 19th 69.8
Frankston AWS 25.0 +0.2 34.3 7th 15.8 +0.3 11.1 19th
Melbourne (Olympic Park) 26.5   37.8 17th 16.4   11.0 19th 31.6
Melbourne Airport 27.6 +1.2 38.3 17th 14.7 +0.9 8.9 19th 23.2 39.9 low 58%
Moorabbin Airport 26.1 +0.3 37.1 7th 15.5 +1.3 9.0 19th 38.8 44.1 average 88%
Rhyll 24.5 +0.7 35.3 23rd 16.0 +0.6 13.4 19th 31.4 36.9 average 85%
Scoresby Research Institute 27.8 +1.6 37.5 17th 14.5 +1.2 8.1 19th 44.8 52.4 average 85%
Viewbank 28.3 +0.5 38.2 17th 15.3 +0.8 9.9 16th 35.6 38.3 average 93%
Wonthaggi 24.7 +0.8 37.1 23rd 14.2 +1.1 7.4 25th 39.2 47.9 average 82%
West Central (district 87)
Avalon Airport 27.1 +0.8 39.6 23rd 14.7 +0.6 9.3 25th 36.4 33.2 average 110%
Breakwater (Geelong Racecourse) 25.9   37.6 7th 14.6   9.4 25th 27.8
Laverton RAAF 26.6 +0.9 37.7 23rd 15.7 +1.9 10.9 25th 28.6 39.2 average 73%
Sheoaks 27.9 +2.1 38.8 17th 12.9 +0.6 5.9 25th 23.6 35.2 average 67%
North Central (district 88)
Castlemaine Prison 29.7 +1.6 39.8 17th 14.5 +1.4 10.0 21st 26.3 40.4 average 65%
Eildon Fire Tower 27.5 +0.3 36.3 17th 13.3 -0.2 7.8 19th 44.8 40.6 average 110%
Lake Eildon 30.6 +1.7 39.1 17th 13.0 +0.3 6.2 19th 43.0 47.1 average 91%
Mangalore Airport 30.6 +0.9 40.5 17th 15.2 +1.0 10.6 19th 49.6 41.1 high 121%
Maryborough 30.4 +1.6 40.8 17th 14.4 +1.5 8.0 21st 19.2 31.1 average 62%
Redesdale 31.5 +2.2 41.7 17th 13.6 +0.5 8.7 16th 33.6 33.7 average 100%
Wallan (Kilmore Gap) 27.1 +2.2 38.5 17th 12.7 +0.4 7.4 19th 23.8 45.9 low 52%
Western Plains (district 89)
Ararat Prison 29.0 +2.1 38.0 17th 12.4 +1.2 7.8 19th 60.8 40.6 high 150%
Ballarat Aerodrome 27.3 +2.2 37.3 17th 12.4 +1.5 6.6 16th 38.6 39.4 average 98%
Westmere 28.5 +0.3 39.1 7th 11.0 -0.3 4.4 19th 42.2 46.6 average 91%
West Coast (district 90)
Aireys Inlet 23.6 +0.7 36.0 23rd 14.1 +0.1 10.2 12th 34.6 38.6 average 90%
Cape Nelson Lighthouse 21.7 +0.4 38.9 7th 14.8 +0.2 8.7 25th 47.2 34.8 high 136%
Cape Otway Lighthouse 21.2 -0.2 32.1 23rd 14.4 +1.1 9.8 25th 42.2 43.9 average 96%
Casterton 27.1 -0.9 37.9 7th 12.5 +0.3 6.7 25th 51.8 38.2 high 136%
Colac (Mount Gellibrand) 26.1 +0.4 38.1 7th 12.8 +0.3 8.8 25th 37.8 35.9 average 105%
Dartmoor 26.4   39.4 6th 12.8   6.9 25th 47.4
Hamilton Airport 27.6 +1.1 37.9 7th 12.2 +1.1 6.8 19th 45.4 34.4 high 132%
Mortlake Racecourse 27.1 +1.2 39.4 7th 11.4 +0.5 3.5 19th 42.8 35.5 high 121%
Port Fairy AWS 22.4 -0.2 39.4 7th 14.2 +0.2 8.3 25th 33.2 32.9 high 101%
Portland (Cashmore Airport) 22.1 +0.1 36.2 7th 12.9 +0.7 6.0 25th 49.6 37.2 high 133%
Warrnambool Airport NDB 24.1 -0.4 38.3 7th 12.1 +0.4 5.8 25th 53.8 36.1 high 149%

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 Victoria 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 1 pm on Wednesday 1 February 2017. Some checks have been made on the data, but it is possible that results will change as new information becomes available.

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.

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

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Enquiries

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