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A Norumbega Almanac

GRAY DAILY 30-YEAR NORMALS
1981-2010
The National Weather Service announced in May, 2021, the release of updated climate normals for the 30-year period beginning in 1981, supplanting the period beginning in 1971.

The main portal for these data is HERE, which is retrieved and assembled from a national database every time you visit. There is information on these tables besides the daily normals, so it's worth consulting.

For convenience, we've provided screenshots below of three-month, seasonal tables for the daily data from the Gray office of the NWS.

There's also a link to the previous period, beginning 1971, for each month of the year from the Portland office, for historical interest.

December, January, February

March, April, May

June, July, August

September, October, November

Portland Daily Climate Normals 1971 — 2000

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Source: National Centers for Environmental Information