Monthly Weather Review, December 2023

Published: January 1, 2024

Summary

The total rainfall was 115.3 mm, which is 181.9% above the long-term December mean rainfall.

The mean maximum temperature was 23.5° C, which is 1.2° C cooler than the long-term December mean maximum temperature.

The mean minimum temperature was 14.8° C, which is 1.0° C warmer than the long-term December mean minimum temperature.

Weather Records

The total rainfall of 115.3 mm is the highest December rainfall. The previous record was 79.1 mm in 2017.

Monthly Review

Truganina Weather monthly summary, December 2023

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Monthly Meteograms

graph of December 2023 daily rainfall at Truganina Weather graph of December 2023 daily temperatures at Truganina Weather
Click on a graph to see it displayed at full-size

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Performance Monitoring

To check for areal consistency, the daily maximum and minimum temperatures from the AWS are routinely compared against the BoM AWS at Laverton RAAF, whilst the daily rainfall from the standard rain gauge is compared against the BoM AWS at Laverton RAAF and the Melbourne Water rain gauge at Hoppers Crossing.

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performance monitoring report
Note: Tr indicates a rainfall amount of less than 0.1 mm (a trace of rain) and does not count towards the monthly rainfall total or the number of rain days.

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Units of Measurement

Unless otherwise advised, temperature is given in degrees Celsius (° C) and rainfall in millimetres (mm).

Observation Times & Reporting Periods

The main observation for the day is at 9 am when the precipitation over the past 24 hours is determined, and the maximum and minimum thermometers are also read and reset. The following conventions are used for assigning dates to the observations made:

Climatology & Station Records

Our climatology and station records are based on all available data since 1 April 2017. All annual data are based on complete calendar years commencing in 2018. If a station record is equalled, the most recent date shall supersede the previous date to conform to standard BoM practice.

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