Graph one shows December:
Temperatures (half-hourly in red and dew point in green), wind speeds (daily maximum in red, half-hourly averages in blue), wind direction (in yellow), rainfall (in blue) and barometric pressure (in grey).
Graph two shows:
Monthly rainfall and temperatures (daily maximum and minimum) for 2015.
Graph three shows:
Rainfall for 2014 and 2015.
2015 weather summary:
- Rainfall:
The annual total of 536, 9mm was only 74 per cent of the long-term average.
The long-term forecast for the first months of 2016 is that rainfall will probably be below normal.
Longer term forecasts also suggest that there is a probability of a few years of a dry cycle coming for the summer rainfall region of South Africa.
Graph three shows:
The lower rainfall in 2015 compared to 2014.
- Temperatures:
Last year showed a higher annual average temperature by 1°C (16.4°C compared to 15°C) compared to 2014.
Graph two shows:
Daily maximum temperatures reached or surpassed 30°C on many summer days!
- Winds:
The annual average of 3,7km/h was similar to that of 2013.
The prevailing direction was again from the north as expected.
The highest wind speed for the year reached fresh gale force (57, 9km/h) on August 13.
