MAY  2013


May 2013 was a cool, dry, mostly sunny month.
The rainfall total was of 19.2 millimetres was less than half the average with the first fall of the month on the 14th ending a 27 day dry spell.

It rained on six days with the highest daily fall being 8.4 mm on the 23rd.
Day temperatures were close to normal, but overnight temperatures were cooler than normal due to numerous calm clear evenings. There were no notable extremes.
There were 19 frosty mornings, 5 more than the average.
Winds were unusually light and were variable in direction.

There were no noteworthy events.

MAY 2013 STATISTICS  (long term averages in brackets)

Rainfall:  19.2 mm  (43.2 mm)

Rain days:  6  (8)
2012 rainfall total Jan to Jun:  332.8 mm  (344.4 mm)

Average maximum temp:  16.5 deg  (16.2 deg)  

Average minimum temp:  1.5 deg  (3.0 deg)  

Highest maximum temp:  22.5 deg on the 1st 

Lowest maximum temp:  9.1 deg on the 22nd 

Highest minimum temp:  8.1 deg on the 24th 

Lowest minimum temp:  -5.0 deg on the 27th 

Fine sunny days:  18  (15)

Ideal weather days:  4  (4)

Days with thunderstorms:  0  (1)

Days with frosts:  19  (13)   light: 12,  moderate: 4,  severe: 3

Days with fogs:  4  (5)

Wind direction at 3pm & number of days:  E: 11, W: 10,  SE: 3,  SW: 3,  S: 2,  NE: 1,  NW: 1   

Average daily pan evaporation:  1.7 mm  (1.6 mm)