Monthly Weather Review, January 2023

February 1, 2023

Overview

The total rainfall was 10.0 mm. This is 13.6% of the climatological mean.

The mean maximum temperature was 26.7° C. This is 0.6° C cooler than the climatological mean.

The mean minimum temperature was 16.3° C. This equals the climatological mean.

Station Records

Total rainfall for the month was 10.0 mm, making it the driest January since our records began. The previous lowest January rainfall was 13.0 mm in 2019.

Climatological Summary

Truganina Weather monthly summary, January 2023

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Monthly Meteograms

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

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Performance Monitoring

The daily rainfall and temperature data are routinely compared against the ABOM AWS at Laverton for quality assurance. The daily rainfall is also routinely compared against the Melbourne Water rainfall and river level station on Skeleton Creek at Hoppers Crossing (Hoppers in the table below).

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performance monitoring report

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Units of Measurement

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

Observation Times and 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:

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