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Merriwa Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
31.2 29.1 27.0 23.4 19.9 16.3 15.9 18.0 21.9 25.3 28.3 28.8 23.8
Mean Min (°C)
16.4 15.6 13.2 9.0 4.6 4.4 2.3 2.9 5.2 8.0 12.7 14.4 9.0
Mean Rain (mm)
77.9 60.7 51.1 32.9 38.5 39.4 35.5 32.8 38.7 49.9 58.9 70.6 586.7
Median Rain (mm)
58.0 51.5 33.2 17.6 32.1 25.0 30.8 21.4 33.5 47.2 55.8 51.9 590.6
Mean Rain Days
7.3 6.3 5.6 4.6 5.8 6.5 6.7 6.0 6.3 6.4 7.5 7.3 75.2

Merriwa Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
43.8 41.4 36.8 30.3 28.8 22.7 22.5 28.0 31.2 37.4 43.0 41.2 43.8
Low Max (°C)
19.7 16.7 18.2 15.3 12.1 11.3 9.9 10.2 12.0 11.1 14.6 18.0 9.9
High Min (°C)
25.6 26.0 19.1 17.8 13.3 12.7 11.8 13.7 15.2 18.1 22.9 23.8 26.0
Low Min (°C)
5.4 8.1 3.0 -2.9 -3.8 -4.6 -5.3 -4.3 -3.7 0.1 5.3 4.5 -5.3
High Rain (mm)
85.0 110.4 81.0 73.6 45.2 117.0 54.4 38.0 44.4 63.4 44.6 92.4 117.0

Merriwa Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
33.4 31.9 28.3 24.6 20.7 17.3 16.8 20.9 24.9 28.1 32.4 31.8 24.8
Low Mn. Max (°C)
28.3 26.3 25.7 21.9 18.9 15.7 15.3 15.6 20.0 22.1 24.8 24.5 22.6
High Mn. Min (°C)
17.4 17.0 14.3 10.3 6.6 6.5 3.1 5.2 6.3 9.4 14.9 15.4 9.7
Low Mn. Min (°C)
15.1 14.5 11.4 7.0 2.8 2.6 1.7 1.4 3.8 6.5 11.1 11.8 8.3
High Rain (mm)
208.6 240.0 208.6 161.4 126.0 284.2 139.8 109.8 110.6 155.0 160.2 219.2 947.2
Low Rain (mm)
10.2 2.0 0.0 0.0 0.0 0.8 1.3 0.0 0.0 1.8 0.0 2.5 280.2

Merriwa Annual Temperatures & Rainfall

MERRIWA (ROSCOMMON)

Mean daily minimum temp
Mean daily maximum temp
Highest/lowest on record
Highest/lowest on record
Mean monthly rainfall

Merriwa Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40°C
0.7 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.8 0.3 2.0
≥ 35°C
7.7 3.3 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.8 3.5 3.4 17.4
≥ 30°C
17.7 10.9 6.1 0.1 0.0 0.0 0.0 0.0 0.6 6.0 10.4 12.3 59.8
≤ 2°C
0.0 0.0 0.0 0.7 7.1 8.7 14.6 14.1 6.3 2.1 0.0 0.0 49.8
≤ 0°C
0.0 0.0 0.0 0.1 2.7 4.6 9.4 6.4 2.1 0.0 0.0 0.0 23.3

Merriwa 'per Week' Values (14th/86th Percentiles)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
36.2 33.1 30.7 26.8 22.4 18.5 18.1 22.4 25.8 29.8 33.6 33.8 30.5
Low Max
25.4 24.6 23.6 20.1 16.3 14.2 13.3 14.2 16.9 19.4 22.0 23.1 16.3
High Min
19.4 18.9 16.6 12.9 8.7 9.7 6.5 6.9 9.5 12.5 16.4 17.6 16.4
Low Min
13.2 11.9 9.6 4.9 0.5 -0.6 -1.8 -1.2 1.3 3.4 8.8 10.2 2.0

Merriwa Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
7 7 7 7 7 7 7 8 8 8 8 8 7.4
Earliest Entry
2008 2008 2008 2008 2008 2008 2008 2007 2007 2007 2007 2007 2007
Latest Entry
2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014
Years of Maxima
7 7 7 7 7 7 7 8 8 8 8 8 7.4
Earliest Entry
2008 2008 2008 2008 2008 2008 2008 2007 2007 2007 2007 2007 2007
Latest Entry
2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014
Years of Rainfall
45 44 45 45 44 46 46 46 45 45 46 45 44.9
Earliest Entry
1970 1970 1970 1970 1970 1969 1969 1969 1970 1970 1969 1970 1969
Latest Entry
2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014

Station Details

MERRIWA (ROSCOMMON)
Hunter, New South Wales/ACT
32.1852°S 150.1737°E 375m AMSL
Commenced 1969

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Early autumn rain soaks western WA

07:28 EDT Much needed rain has arrived in Western Australia overnight, with some places receiving more rain in 6 hours than in the last 6 months.

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