Monthly Weather Review, January 2022
February 1, 2022
Overview
The total rainfall was 122.1 mm. The long-term mean at nearby Laverton is 39.2 mm.
The mean maximum temperature was 28.3° C. The long-term mean at nearby Laverton is 25.7° C.
The mean minimum temperature was 18.0° C. The long-term mean at nearby Laverton is 13.8° C.
Significant Weather & Events
The 122.1 mm was the most rainfall in any month since records began in April 2017.
The 12 days over 30° C was the most in January since records began, and equal to the most in any month.
The 7 consecutive days over 30° C was the most in January since records began, and equal to the most in any month.
Climatological Summary
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Monthly Meteograms
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 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 following conventions are used to assign dates to the observations:
- 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.
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