Punctuality report
How late each model is published. “On time” means the whole run was out within 10 minutes of the expected time.
| Model | On time | Typical | Bad day (90%) | Worst |
|---|---|---|---|---|
| HRRR | 100% | 6 min late | 8 min late | 10 min late |
| HRRR-Alaska | 100% | on time | on time | 3 min late |
| NAM | 100% | 1 min early | on time | 1 min late |
| RAP | 100% | 1 min early | 2 min late | 5 min late |
| HREF / HiResW | 100% | 9 min early | 1 min late | 3 min late |
| SREF | 100% | 1 min early | 2 min late | 3 min late |
| HRDPS | 100% | 24 min early | 6 min early | 2 min early |
| HARMONIE MEPS (Nordic) | 100% | 1 min early | 1 min late | 2 min late |
| GFS | 100% | 1 min early | 1 min late | 2 min late |
| ECMWF IFS | 100% | on time | on time | on time |
| GDPS | 100% | 21 min early | 7 min early | 6 min early |
| ECMWF AIFS | 100% | on time | on time | on time |
| GEFS | 100% | 1 min early | on time | on time |
| ECMWF ENS | 100% | on time | on time | on time |
| RTOFS | 100% | 2 min early | 1 min early | on time |
| GFS-Wave | 100% | 1 min early | 1 min late | 2 min late |
| ECMWF WAM | 100% | on time | on time | on time |
| NBM | 99% | 1 min early | 1 min late | 11 min late |
| HARMONIE DINI (DMI) | 98% | 22 min early | on time | 17 min late |
| ICON-EU | 97% | 2 min early | 2 min late | 31 min late |
| ICON | 93% | 6 min early | 2 min early | 31 min late |
| ICON-D2 | 93% | 12 min early | 1 min late | 52 min late |
Last updated 2026-10-09 12:39 UTC.