MAY  2016

May 2016 was an unusually warm autumn month with sunny days and close to average rainfall.

The rain total of 41.2 millimetres was just two millimetres below the average with most of it (26.4 mm) falling in one day - the 26th.

Although overnight temperatures were close to normal, day temperatures were unusually high with the average maximum for the month of 19.6 degrees being the highest on record for the month of May since records commenced in 1891. The previous warmest May was in 1939.

The first frosts of year arrived from the 5th ending a frost-free period 215 days or seven months since the last frost on 2nd October 2015.
Winds were mostly light to moderate westerlies, and there were no thunderstorms.

Noteworthy events:    
8th - Warm northerly winds ahead of a cold front and trough produced unusually high temperatures in parts of eastern New South Wales. Armidale’s maximum of 24.8C was the highest for the month of May since 5th May 1942 (26.7C).
28th - During a cold windy day with rain showers, there was a brief shower of hail from 2.30 to 2.33pm. Hailstone size was up to 5 mm diameter.

30th - The minimum temperature of -7.0C along with a severe frost was the lowest May temperature since 15th May 2011 (-7.2C).

MAY 2016 STATISTICS  (long term averages in brackets)

Rainfall:  41.2 mm  (42.9 mm)

Rain days:  5  (8)
2016 rainfall total Jan to May:  246.6 mm  (342.9 mm)

Average maximum temp:  19.6 deg  (16.3 deg)   

Average minimum temp:  2.9 deg  (3.0 deg)   

Highest maximum temp:  24.8 deg on the 8th

Lowest maximum temp:  10.2 deg on the 28th

Highest minimum temp:  13.0 deg on the 10th

Lowest minimum temp:  -7.0 deg on the 30th

Fine sunny days:  16  (15)

Ideal weather days:  7  (4)

Days with thunderstorms:  0  (1)

Days with frosts:  15  (14)    

Days with fogs:  4  (5)

Wind direction at airport at 3pm & number of days:  W: 16,  NW: 7,  SW: 3,  SE: 2,  E: 2,  N: 1 

Average daily pan evaporation:  2.2 mm  (1.6 mm)


May 2016 daily data