OBSERVED
What actually happened: NOAA nClimGrid-Daily at 5 km, weighted exactly like the forecasts, against the 1991–2020 normal.
Weighting
Measure
Latest day
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Last 7 days
–
Month to date
–
Season to date
–
Last 60 days
Observed degree days against the normal. NOAA marks the latest weeks preliminary until it finalizes each month.
Observed vs normal
Degree days taken at every 5-km cell and weighted like the forecasts. Grey: the 1991–2020 normal.
Departures
Where it ran above or below normal: day by day, and by state for the month so far.
Departure from normal, by day
Observed minus the 1991–2020 normal.
Above normalBelow normal
By state, month to date
Departure from the 1991–2020 normal.
Table
Every observed day, newest first, with the normal and the departure.
Daily values
Final values replace preliminary ones as NOAA finalizes each month.