Annual Weather Review, 2018
Published: January 1, 2019
Climatological Summary
Top of page 
Annual Meteograms
Click on a graph to see the yearly data
Top of page
Monthly Reviews
January February March April
May June July August
September October November December
Click on a image to see the monthly review
Top of page
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.
Top of page
[ back ]