The GEFS graph.
The GEFS graph shows the temperature at 850hpa which is approximately 1,500 metres above ground level. The thick black line is the 30 year average. Each thin coloured line is a member of the GEFS on what they think will happen. The bottom of the graph is precipitation.
The outlook.
For the rest of April it looks like temperature will remain below average with heavy rain during Sunday 28th.
For the start of May it looks like the temperatures will rise a little a could be a couple of degrees above average, but it looks like there will be some heavy spells of rain around during 2nd, 3rd. Temperatures then look like falling slightly to around average but still looks like it will be very showery.
