Heidke Skill Scores of Objective Seasonal Forecasts Lead (months) Month of Forecast Issuance 0.5 1.5 2.5 3.5 4.5 5.5 6.5 7.5 8.5 9.5 10.5 11.5 12.5 HF Temp. X X X X X X X X X X X X X TA Temp. X X X X X X X X X X X X X HF Precip. X X X X X X X X X X X X X TA Precip. X X X X X X X X X X X X X