70s was no-show on Long Island in April

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Apart from one thing, April 2014 was pretty normal, weather-wise.

But for Long Islanders who this year especially would have relished a day or two in the 70s, that did not happen at Long Island MacArthur Airport in Ronkonkoma, where the National Weather Service has maintained official records since 1984.

While the 70s would be considered above normal for April, it's still "typical" to see a spike into above-normal territory, said Tim Morrin, weather service meteorologist in Upton.

"The fact that we haven't seen 70 is remarkable," Morrin said.

The first day of May didn't disappoint -- at least in Manhattan, where the thermometer hit 78 in Central Park Thursday afternoon.

While it's possible western Nassau may have seen 70 degrees, that wasn't the case at MacArthur, where the temperature reached 66 degrees around 2 p.m.

Reflecting on last month, there was a period around the 11th to 14th when "April did its best to usher in some spring weather," but the cooler weather pattern prevailed, Morrin said. The thermometer rose to 69 on April 12, but no higher.

One of the factors at play has been the cooler-than-normal ocean, which can have a "huge impact" on the Island's land temperatures, said Bill Korbel, meteorologist with News 12 Long Island, which is owned by Cablevision, as is Newsday.

Generally speaking, April can be "a weird month," he said. At times pretty chilly, it can also "throw a bit of summer your way," as it did on April 18, 1976, when the Island saw temperatures in the high 80s to low 90s.

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On the other hand, this year the month was only the third April in 30 years to see the arrival of 70-degree weather pushed later into the spring. First 70s arrived on May 20, 1984, and May 7, 1988, according to weather service data.

In 12 previous years, 70 degrees arrived as early as March, with March 13, 1990, holding the early-bird record. Still, based on that data going back to 1984, April 9 is the average "first date," said Joe Pollina, also a meteorologist in Upton. From 1949 to 1983, the Island's official weather records were maintained by the Brookhaven National Laboratory in Upton.

This year's average April temperature -- 48.8 -- was just 0.3 degrees shy of normal for the airport, the weather service said.

Also of note is April's precipitation surplus of 0.5 inches. That would have been a deficit had it not been for Wednesday into Thursday's rain, with the 2.21 inches that fell on the last day of the month bringing the total up to 4.84 inches. In all, 2.77 inches fell at the airport, but part of that is credited to May.

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