August 2011 Summary

Summary: August 2011, like both June and July before it, was another colder than average month. In terms of total rainfall, it was drier than recent Augusts, but there were no lengthy settled spells.

Temperature: Minimium:
The 29th/30th was the coldest night of the month at just 8.4 degs C, and was the coldest ever August night at this location.*
The highest night-time low was 16.3 degs C on the night of 31 July/1st August. This temperature was exceeded during every August since at least 2004.
The average night-time temperature for August 2011 was 12.97 degs C. This was lower than July, and the coldest ever August average at this location.*

Temperature: Maximum:
The lowest maximum recorded for the month of August 2011 was 17.4 degs C, on both the 26th and the 30th. These were the coldest ever August days recorded at this location.*
The highest maximum for the month was 22.7 degs C on the 21st. This temperature was exceeded during every other August since at least 2004.
The average maximum temperature for the month was 20.06 degs C, which was lower than July and the lowest ever for August at this location.*
The temperature exceeded 20 degs C on a maximum of 21 days during the month, the least number of times for August ever at this location.* Furthermore there were no days after the 24th when this occurred.
The last time the temperature exceeded 25 degs C during August was in 2006.

*It should be noted that a new, more reliable thermometer was in use this month, which may read maximum temperatures around 0.5 to 1 degree lower than the previous one.
This may slightly affect comparisons described in this section.

Rainfall:
54.7 mm of rain fell during the month, slightly less than in July, making it the driest August since at least 2007.
The wettest day itself was the 3rd, with 12.6 mm, although this spell of rain lasted into the 4th and made a combined 24 hour total of 22.4 mm.
There were a maximum of 16 dry days during the month, the most in any of the last 4 Augusts, although apart from the last 5 days, there were never more than 3 consecutive totally dry days.

Thunder:
Thunder was heard on the 7th, 24th and 25th.

* Since at least 2003.