Annual Weather Review, 2020
Published: January 1, 2021
Climatological Summary
Annual Meteograms
Monthly Reviews
![January 2020 Monthly Review](../../images/monthly-summaries/202001-monthly-summary.png)
![February 2020 Monthly Review](../../images/monthly-summaries/202002-monthly-summary.png)
![March 2020 Monthly Review](../../images/monthly-summaries/202003-monthly-summary.png)
![April 2020 Monthly Review](../../images/monthly-summaries/202004-monthly-summary.png)
January February March April
![May 2020 Monthly Review](../../images/monthly-summaries/202005-monthly-summary.png)
![June 2020 Monthly Review](../../images/monthly-summaries/202006-monthly-summary.png)
![July 2020 Monthly Review](../../images/monthly-summaries/202007-monthly-summary.png)
![August 2020 Monthly Review](../../images/monthly-summaries/202008-monthly-summary.png)
May June July August
![September 2020 Monthly Review](../../images/monthly-summaries/202009-monthly-summary.png)
![October 2020 Monthly Review](../../images/monthly-summaries/202010-monthly-summary.png)
![November 2020 Monthly Review](../../images/monthly-summaries/202011-monthly-summary.png)
![December 2020 Monthly Review](../../images/monthly-summaries/202012-monthly-summary.png)
September October November December
Click on a image to see the monthly review
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.
- Annual rainfall : from 9 am on the last day of the previous year to 9 am on the last day of the current year.
- Phenomena : the 24 hours to midnight on the date the data are recorded.
Note: Anomaly is the observed value minus the long-term mean.
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