I don't know if the Jamstec LRF has been posted in this thread but their latest update is going for a below average Dec-Feb and also a below average for Mar-May. This was the best I could contribute to you guys not the best but a contribution nonetheless.
Dec-Feb: http://www.jamstec.go.jp/frcgc/research/d1/iod/2007/forecast/temp2.glob.DJF2015.1dec2014.gif
Mar-May: http://www.jamstec.go.jp/frcgc/research/d1/iod/2007/forecast/temp2.glob.MAM2015.1dec2014.gif