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Precipitation Forecasting on CONUS Mar 2023 Spring Transition

1.27Pearson Correlation Coefficient (r)HRRR
0.58360.76180.941.1182May 20, 2026

Evaluation results

MethodLinks
HRRRLead Time=48h2026.051.270.272.470.16
HRRRLead Time=36h2026.051.250.584.140.32
HRRRLead Time=18h2026.050.980.652.450.07
AirCast-SRLead Time=36h2026.050.970.493.820
AirCast-SRLead Time=18h2026.050.90.632.30
AirCast-SRLead Time=48h2026.050.90.241.890.01
GraphCastLead Time=18h2026.050.830.791.680.01
GraphCastLead Time=36h2026.050.820.762.490.17
GraphCastLead Time=48h2026.050.820.431.450.14
HRRRLead Time=6h2026.050.740.551.480.09
AirCast-SRLead Time=6h2026.050.720.541.490
GraphCastLead Time=6h2026.050.610.661.180.15