February 2017: NYC’s Warmest February on Record and 20th Consecutive Month with an Above Average Temperature

February 2017 was New York City’s warmest February on record. Its mean temperature of 41.6°F was a staggering 6.3°F above the long-term norm. Moreover, February was the city’s 20th consecutive month with an above-average temperature.

Overall, we had nineteen out of twenty-eight days that were warmer than normal. Seven of those produced readings in the 60s and one even hit 70°F, marking the first time the city has seen that type of heat in February in twenty years. Two record warm minimum temperatures were also set during the month. On February 19th and 24th, the Big Apple only cooled down to 53°F and 58°F respectively. The average low for those dates is 30°F.

While a few warm days in February are not uncommon, this extended pattern of sustained warmth was very unusual. Driven largely by a persistent positive phase of the North Atlantic Oscillation, warm southern air was funneled northward almost continuously throughout the month.

February is usually the city’s snowiest month on the calendar, and this year, despite the unseasonable warmth, it did not disappoint. Central Park received 9.4 inches of snow, which is 0.2 inches above average. All of it fell during a single, quick hitting nor’easter when the air was briefly cold enough to support frozen precipitation.

Rainfall, on the other hand, was not as abundant. Only 2.48 inches was reported, which is 0.61 inches below normal. The city, according to the latest report from the US drought monitor (2/23) remains abnormally dry.

New York City weather records date back to 1869.

Feb 2017 was NYC’s warmest Feb on record and 20th straight month with an above average temperature. Credit: The Weather Gamut.

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