MAY  2015

May 2015 was a cool, cloudy month with average rainfall.
The rainfall total of 46.2 millimetres was slightly higher than the long term average with most falls less than 10 mm. There were three rain events with light to moderate totals: 1st-2nd: (16 mm), 20th-22nd (21 mm) and 30th-31st (26 mm - 18 mm of this event is recorded against 1st June).
Despite numerous cloudy days temperatures were close to normal with no notable extremes.
Winds were mostly light westerlies.
There were no noteworthy events.

MAY 2015 STATISTICS  (long term averages in brackets)

Rainfall:  46.2 mm  (42.9 mm)

Rain days:   11  (8)
2015 rainfall total Jan to May:  22.4 mm  (mm)

Average maximum temp:  16.5  deg  (16.3 deg)   

Average minimum temp:  4.3 deg  (3.0deg)   

Highest maximum temp:  22.5 deg on the 4th 

Lowest maximum temp:  10.4 deg on the 22nd

Highest minimum temp:  13.3 deg on the 3rd 

Lowest minimum temp:  -4.7 deg on the 15th

Fine sunny days:  11  (15)

Ideal weather days:  1  (4)

Days with thunderstorms:  1  (1)

Days with frosts:  12  (14)   light: 5,  moderate: 5, severe:  2

Days with fogs:  2  (5)

Wind direction at 3pm & number of days:  W: 14,  E: 8,  SW: 7,  NW: 1,  SE: 1

Average daily pan evaporation:  1.5 mm  (1.6 mm)

Thunderstorm details:

31st:  1.30pm - slight storm during continuous rain