A chronicle of American weather and climate · Saturday, 31 October 2026
What was forecast, what happened, and the difference. Showing the 11 strongest; browse all 88 in the chronicle →
A day-2 forecast of 13.0°F for September 18 at 06Z; the station reported 64.0°F. It is the largest temperature residual in the ledger over the last 30 days.
A day-4 forecast of 35.0°F for October 9 at 18Z; the station reported 77.0°F. It is the largest temperature residual in the ledger over the last 30 days.
A day-3 forecast of 37.0°F for October 9 at 00Z; the station reported 69.8°F. It is the largest temperature residual in the ledger over the last 30 days.
A day-3 forecast of 38.9°F for October 8 at 18Z; the station reported 71.6°F. It is the largest temperature residual in the ledger over the last 30 days.
A day-6 forecast of 58.2°F for September 14 at 00Z; the station reported 87.1°F. It is the largest temperature residual in the ledger over the last 30 days.
A day-8 forecast of 92.2°F for September 1 at 00Z; the station reported 62.6°F. It is the largest temperature residual in the ledger over the last 30 days.
MP 1030 · The Ledger · HVE
The mean signed residual across 8,665 pairs is +4.06°F, against +0.04°F averaged over all 83 stations with enough samples to score. A bias is not an error the reader can ignore — it is one they can correct for.
MP 1542 · The Ledger · NBG
The mean signed residual across 338 pairs is +6.65°F, against +0.09°F averaged over all 84 stations with enough samples to score. A bias is not an error the reader can ignore — it is one they can correct for.
MP 1527 · The Ledger · HII
The mean signed residual across 395 pairs is +6.29°F, against +0.09°F averaged over all 84 stations with enough samples to score. A bias is not an error the reader can ignore — it is one they can correct for.
MP 1520 · The Ledger · HII
The mean signed residual across 453 pairs is +6.39°F, against +0.13°F averaged over all 84 stations with enough samples to score. A bias is not an error the reader can ignore — it is one they can correct for.
MP 1518 · The Ledger · HII
The mean signed residual across 566 pairs is +6.16°F, against +0.18°F averaged over all 85 stations with enough samples to score. A bias is not an error the reader can ignore — it is one they can correct for.
MP 1514 · The Ledger · HII
Every dateline above is a bureau. The colour on it is that site's own accent in the network's Interstate sign system — 45 sites, each with a colour, and this one with none.