Monthly Weather Review, March 2024
April 1, 2024
Summary
The total rainfall was 6.6 mm. This is 20% of the long-term March mean.
The mean maximum temperature was 25.2° C. This is 1.4° C warmer than the long-term March mean.
The mean minimum temperature was 14.1° C. This is 0.1° C cooler than the long-term March mean.
Weather Records
The total rainfall of 6.6 mm is the lowest March rainfall. The previous record was 7.8 mm in March 2019.
The maximum temperature of 38.9° C on the 9th equals the warmest March day. The record was originally set on 1 March 2019.
The mean maximum temperature of 25.2° C is the equal warmest March. The record was originally set in March 2019.
There were 6 days over 30° C in March. The previous record was 5 days in 2018 and 2019. The mean number of days over 30° C is 3.3 in March.
There were 3 days over 35° C in March. This equals the record set in 2019. The mean number of days over 35° C is 0.7 in March.
The mean sea level pressure of 1032.1 hPa on the 21st is the highest March pressure. The previous record was 1031.2 hPa on 20 March 2018.
Monthly Review
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Monthly Meteograms
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Performance Monitoring
The daily rainfall and temperature data are routinely compared against the BoM 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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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:
- Maximum temperature : the 24 hours from 9 am on the date the data are recorded. The maximum temperature will usually occur in the afternoon of that day.
- Minimum temperature : the 24 hours to 9 am on the date the data are recorded. The minimum temperature will usually occur in the morning of that day.
- Mean temperature : the average of the daily maximum and minimum temperatures on the date the data are recorded.
- Daily rainfall : the 24 hours to 9 am on the date the data are recorded. A significant portion of the rain may have occurred on the previous calendar day.
- Monthly rainfall : from 9 am on the last day of the previous month to 9 am on the last day of the current month.
- Phenomena : the 24 hours to midnight on the date the data are recorded.
Climatology & Station Records
Our climatology and station records are based on all available data since from 1 April 2017. All annual data are based on complete calendar years commencing in 2018.
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