Remote Islands and Antarctica in March 2023

Australia's Indian Ocean islands

Australia's Pacific Ocean islands

Australia's Antarctic and sub-Antarctic territories





Summary statistics for March 2023
Maximum temperatures
(°C)
Minimum temperatures
(°C)
Precipitation
(millimetres)
Mean for
March
2023
Diff
from
average
Highest for
March
2023
Mean for
March
2023
Diff
from
average
Lowest for
March
2023
Total for
March
2023
Average
for
March
Rank of
March
2023
Fraction of
March
average
Offshore Islands
Christmas Island Aero 28.9 +0.6 29.9 28th 23.5 +0.4 20.6 8th 106.8 299.8 v low 36%
Cocos Island Airport 29.8 -0.3 30.9 12th 25.2 -0.1 22.9 10th 44.2 233.3 v low 19%
Lord Howe Island Aero 25.7 +0.8 27.8 17th 21.0 +0.9 16.8 10th 81.2 128.5 low 63%
Norfolk Island Aero 24.8 +0.5 27.3 17th 19.3 0.0 16.4 30th 26.6 104.5 low 25%
Antarctica and Macquarie Island
Casey -3.0 +1.2 3.5 10th -8.5 +1.4 -16.0 26th 6.6 16.5 low 40%
Davis -5.1 +0.6 1.5 10th -9.7 +1.2 -18.5 30th 6.8 8.8 average 77%
Macquarie Island 8.4 +0.3 10.5 6th 5.1 +0.3 0.7 26th 87.8 100.8 average 87%
Mawson -6.2 +1.0 0.4 9th -12.6 +0.7 -20.3 24th
Note: Precipitation values from Casey and Davis should be used with caution.

Daily maximum temperatures for March 2023
Offshore Islands12345678910111213141516171819202122232425262728293031
Christmas Island Aero29.128.528.927.928.929.828.428.428.328.729.429.229.229.629.729.629.629.128.628.329.228.129.329.329.528.527.729.927.028.428.4
Cocos Island Airport30.029.430.229.029.829.829.930.130.530.930.930.830.629.529.829.830.429.929.228.729.229.829.230.228.530.528.829.630.129.8
Lord Howe Island Aero26.426.525.425.525.925.927.626.926.225.625.723.925.824.826.926.627.826.126.627.423.924.024.125.824.124.724.926.924.6
Norfolk Island Aero24.522.624.524.724.624.124.426.326.224.825.126.125.925.226.327.325.925.424.925.123.424.225.124.623.922.924.423.624.4
Antarctica and Macquarie Island12345678910111213141516171819202122232425262728293031
Casey-4.5-2.4-0.7-0.9-1.0-0.50.0-0.1-1.23.50.1-2.2-3.4-3.9-3.0-5.4-6.3-4.8-0.5-2.1-2.6-3.6-7.6-8.6-10.0-4.8-3.5-1.1-2.9-5.6-4.8
Davis-2.4-2.6-5.5-7.2-3.7-1.8-0.4-0.3-0.31.5-0.2-1.0-1.8-2.2-1.7-5.4-4.3-2.1-5.4-6.8-9.1-11.4-8.4-7.8-8.9-5.8-5.7-7.6-11.4-14.8-13.4
Macquarie Island9.27.76.98.610.110.510.29.79.38.17.48.37.98.58.79.58.98.68.87.88.57.98.37.66.96.95.97.08.58.88.5
Mawson-4.1-1.5-3.8-4.6-5.8-4.7-6.0-0.30.4-1.8-2.2-0.5-0.9-4.0-0.7-4.7-7.3-8.5-8.9-8.7-8.0-6.9-13.8-13.9-10.1-9.7-10.9-11.3-9.7-10.1-8.0
Values are the maximum temperature, usually in the 24 hours from 9 am on the day indicated,
and typically occurred in the afternoon of that day.
Temperatures coloured according to their difference
from the long-term average for the period
-10.0 -9.0 -8.0 -7.0 -6.0 -5.0 -4.0 -3.0 -2.0 -1.0 0.0 +1.0 +2.0 +3.0 +4.0 +5.0 +6.0 +7.0 +8.0 +9.0 +10.0 °C Grey outline marks highest
and lowest for the period

Daily minimum temperatures for March 2023
Offshore Islands12345678910111213141516171819202122232425262728293031
Christmas Island Aero23.423.323.622.722.323.221.820.620.621.525.124.624.724.424.425.223.524.525.223.823.324.822.524.024.423.023.323.222.723.623.8
Cocos Island Airport25.925.323.725.424.025.623.224.625.222.926.426.827.026.925.724.726.527.324.525.027.024.524.624.624.924.323.724.725.1
Lord Howe Island Aero19.321.520.221.620.621.822.423.023.916.821.122.820.721.422.023.420.822.122.822.719.120.118.720.920.620.119.621.118.4
Norfolk Island Aero20.019.820.320.219.819.417.216.619.221.419.517.718.519.521.020.620.121.721.219.818.118.817.718.919.818.119.819.717.816.419.5
Antarctica and Macquarie Island12345678910111213141516171819202122232425262728293031
Casey-8.2-9.4-7.7-6.3-5.3-6.5-2.6-5.2-11.7-10.5-4.5-7.0-4.6-9.0-8.5-6.2-9.1-15.2-10.8-6.5-6.7-5.5-9.4-13.2-11.5-16.0-12.9-8.2-5.9-9.4-8.8
Davis-7.2-6.4-6.0-12.1-11.6-7.3-10.4-6.0-2.1-3.0-4.7-6.4-4.4-4.2-4.5-9.1-7.6-7.4-7.2-13.6-13.1-15.7-16.6-15.3-14.5-13.5-10.8-8.8-15.7-18.5-18.1
Macquarie Island6.63.73.73.65.07.48.77.56.16.03.74.83.35.37.98.05.85.35.43.84.05.46.06.42.90.71.61.94.26.67.6
Mawson-8.3-8.4-11.0-9.5-9.2-12.6-11.7-9.3-6.4-8.1-6.7-7.4-5.4-6.5-6.3-10.4-10.6-13.4-18.1-15.5-16.8-15.1-18.0-20.3-19.6-16.8-18.0-19.5-19.0-17.1-16.8
Values are the minimum temperature, usually in the 24 hours to 9 am on the day indicated,
and typically occurred that morning.
Temperatures coloured according to their difference
from the long-term average for the period
-10.0 -9.0 -8.0 -7.0 -6.0 -5.0 -4.0 -3.0 -2.0 -1.0 0.0 +1.0 +2.0 +3.0 +4.0 +5.0 +6.0 +7.0 +8.0 +9.0 +10.0 °C Grey outline marks highest
and lowest for the period

Daily precipitation for March 2023
Offshore Islands12345678910111213141516171819202122232425262728293031
Christmas Island Aero - - - 6.4 0.2 0.6 0.2 0.6 - - - - - - 1.4 1.0 8.0 - - 3.8 3.6 13.2 19.0 - 3.2 19.4 1.6 12.2 12.4
Cocos Island Airport -



-

- - - - - - 1.6 9.2 -
-


- 8.4 20.0
4.0

1.0 -
Lord Howe Island (Milky Way) - - 0.6 0.4 0.6 - - - 5.8 6.8 - 1.8 33.6 1.6 2.4 0.8 - 0.2 - - 7.6 - 0.6 - 7.8 4.0 1.8 1.6 0.4 6.6 46.6
Lord Howe Island Aero - - 1.8 0.2 0.6 - -
0.6 9.8 - 0.6 31.0 2.0
0.6 - - - -
- 1.0 - 7.2 15.8 8.4 1.6 -

Norfolk Island Aero - - 0.2 0.4 - 0.2 -

-
- - -
2.4 12.8 0.8 0.2 - - 4.0 0.2 - - - 2.6 1.8 1.0 - -
Antarctica and Macquarie Island12345678910111213141516171819202122232425262728293031
Casey - - - - - - - - - - - - - - - - 1.0 - 2.3 0.6 - - - - - - - 2.5 - - 0.2
Davis - - - - - 1.5 - - - - - - - 0.1 - - - 0.5 - - - - - 3.8 0.9 - - - - - -
Macquarie Island - 6.0 2.6 8.0 0.6 - 1.6 0.6 11.4 2.6 1.6 3.2 4.4 2.8 9.6 0.8 3.6 6.4 0.2 0.6 0.8 1.4 0.6 1.2 2.2 5.0 4.2 1.2 - 4.6 -
Most values are the precipitation in the 24 hours to 9 am on the day indicated. Days marked with → are part of a longer accumulation, which is shown on the final day.
Values over 100 mm have been rounded to the nearest whole millimetre.
Days marked with - have a precipitation report of zero; days left blank have no precipitation report (which often indicates no precipitation fell).
Precipitations coloured
according to the amount
0 1.0 5.0 10.0 15.0 25.0 50.0 100 150 200 300 400 600 millimetres

Map of the areas covered by this summary

Notes

The Monthly climate summary, usually published in the first week of the following month, lists the main features of the weather in Remote Islands and Antarctica using the most timely and accurate information available on the date of publication; it will generally not be updated.

This statement has been prepared based on information available at 9 pm on Saturday 1 April 2023. 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 precipitation 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 precipitation.

The Rank indicates how precipitation this time compares with the climate record for the site, based on the decile ranking (very low precipitation 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 precipitation 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.

Information about Australian Indigenous seasonal calendars is available at the Indigenous Weather Knowledge website.


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