Monthly mean maximum temperature

Ingham Composite

The Monthly mean maximum temperature is the average of all available daily maxima for the month. The Daily maximum air temperature is nominally recorded at 9 am local clock time. It is the highest temperature for the 24 hours leading up to the observation, and is recorded as the maximum temperature for the previous day. Temperature data prior to 1910 should be used with extreme caution as many stations prior to that date used non-standard shelters. About temperature data

Key: Units = °C. 12.3 = Not quality controlled or uncertain, or precise date unknown
Period for calculating statistics:
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Graph Graph January data Graph February data Graph March data Graph April data Graph May data Graph June data Graph July data Graph August data Graph September data Graph October data Graph November data Graph December data Graph Annual data
1968 32.930.127.025.923.727.030.433.233.2
1969 31.431.930.029.627.925.224.626.028.8
1970 32.4
1971 34.332.829.327.828.426.024.527.829.633.634.733.830.2
1972 34.231.230.029.025.224.425.827.926.731.132.830.529.1
1973 33.331.230.528.228.426.826.626.827.629.631.130.929.2
1974 32.330.430.629.927.125.927.128.828.930.132.632.529.7
1975 31.530.831.729.727.724.826.826.828.029.432.230.429.1
1976 32.630.832.428.927.425.725.426.429.433.433.7
1977 31.727.124.723.725.227.528.530.931.3
1978 31.231.431.229.025.825.624.825.227.227.629.832.428.4
1979 30.230.330.728.926.424.524.226.627.530.131.332.628.6
1980 32.732.429.628.527.125.825.024.628.430.431.531.729.0
1981 28.331.731.729.926.225.724.627.526.328.331.433.528.8
1982 33.331.230.928.126.823.924.324.227.930.430.132.828.7
1983 33.632.731.129.327.125.224.125.229.531.332.031.229.4
1984 31.429.330.128.626.624.724.026.129.229.231.134.128.7
1985 33.531.229.728.825.823.923.726.628.529.831.134.128.9
1986 32.032.630.328.227.225.125.626.228.731.331.232.529.2
1987 34.731.431.428.327.225.024.526.227.432.732.332.329.4
1988 32.931.430.430.227.825.924.725.128.431.732.432.129.4
1989 32.131.629.528.526.923.923.425.028.931.330.531.328.6
1990 32.434.930.628.926.523.824.226.726.631.232.932.629.3
1991 30.830.630.728.426.426.425.027.130.331.432.434.829.5
1992 35.633.231.928.827.225.524.627.030.630.034.132.530.1

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YearJanFebMarAprMayJunJulAugSepOctNovDecAnnual
1993 30.530.531.728.326.625.125.225.927.830.431.931.628.8
1994 34.430.730.228.026.325.024.024.528.630.532.031.028.8
1995 32.031.330.629.926.725.025.823.127.929.332.534.629.1
1996 32.831.629.730.227.626.125.626.829.229.032.633.329.5
1997 31.131.230.128.426.624.424.025.228.829.431.231.828.5
1998 31.532.630.929.927.726.225.426.728.031.030.831.929.4
1999 32.431.430.528.027.125.625.125.328.130.429.330.428.6
2000 31.830.330.428.327.623.625.026.629.330.030.629.828.6
2001 31.330.232.129.328.325.625.727.328.931.832.734.729.8
2002 34.533.631.829.528.326.125.725.929.531.631.434.030.2
2003 32.032.631.030.327.326.625.526.829.932.032.333.129.9
2004 34.032.631.328.827.525.725.426.927.131.432.132.729.6
2005 31.833.531.629.427.725.825.224.728.632.032.734.729.8
2006 32.432.730.729.026.524.724.726.626.928.231.330.928.7
2007 31.830.831.729.128.322.824.526.028.630.731.232.929.0
2008 32.431.229.729.026.425.524.224.827.729.832.333.228.8
2009 30.430.831.330.226.626.625.927.529.930.930.132.529.4
2010 31.532.131.228.727.325.625.426.529.028.628.931.928.9
2011 32.430.929.728.926.324.624.726.327.430.430.932.228.7
2012 32.232.030.029.425.924.523.525.628.029.331.732.828.7
2013 32.932.131.229.226.625.625.127.530.131.032.032.729.7
2014 32.630.730.129.327.125.324.925.528.530.032.234.029.2
2015 33.732.732.330.228.025.825.326.828.729.333.032.629.9
2016 34.234.930.829.829.226.625.926.929.030.533.232.830.3
2017 32.632.733.529.327.525.326.127.929.030.530.233.129.8

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YearJanFebMarAprMayJunJulAugSepOctNovDecAnnual
2018 32.233.130.430.127.125.426.127.429.231.634.632.730.0
2019 31.032.931.529.327.225.225.326.328.931.432.634.329.7
2020 33.834.831.530.825.826.024.527.628.530.832.434.230.1
2021 30.931.031.828.827.926.325.426.628.132.932.533.429.6
2022 33.732.934.130.728.624.323.625.428.931.132.432.329.8
2023 31.532.332.131.927.927.226.026.629.730.532.232.430.0
2024 33.232.231.832.326.626.126.124.234.0
2025 32.431.429.4

Summary statistics for all years

StatisticJanFebMarAprMayJunJulAugSepOctNovDecAnnual
Mean32.431.930.929.327.125.325.026.228.530.531.932.629.3
Lowest28.329.329.327.825.222.823.423.126.327.628.929.828.4
5th %ile30.530.329.628.125.823.923.724.426.828.430.030.528.6
10th %ile31.030.529.728.226.224.123.924.727.129.030.331.028.6
Median32.431.630.829.127.125.525.026.528.630.532.032.629.3
90th %ile34.233.232.030.228.326.426.027.529.731.833.134.230.0
95th %ile34.433.932.330.728.426.626.227.830.032.333.634.630.1
Highest35.634.934.132.329.227.227.128.830.633.634.734.830.3

Data within the table which are in italics represent observations which have not been fully quality controlled, a process which may take a number of months to complete. While these data may be correct, you should exercise caution in their use.

Gaps occur in the table where there are missing valid daily observations within the month. This is frequently associated with the observer being unavailable (where observations are undertaken manually), a failure in the observing equipment, or when an event has produced suspect data.

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Product Code: IDCJAC0002 reference: 0123353485

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