Today in New York Weather History - May 20
Looking Back at New York Weather: May 22

Today in New York Weather History: May 21



On a showery day, the high/low was only 50°/47°.  The high was 20 degrees below average.


Although just 0.03" of rain fell today (between 3-4 PM), it was the first measurable rainfall on this date in 17 years.  The day was gray and coo,l with a high of only 60°.


Heavy rain fell between 5-11 PM, amounting to 1.60".  During one 15-minute period (between 6:55-7:10 PM), 0.48" of rain poured down.


This was the second day in a row with a record high as the mercury topped out at 93°.  The next 90-degree day wouldn't be for another two months (and it would be the only other 90-degree day of the summer.) 



This was the last of four consecutive days with morning lows in the chilly low 40s, well below the average of 55°.


After four days in a row of sunny and mild weather, today was a gray, rainy Monday.  1.40" of rain fell, with a particularly heavy downpour occurring during AM rush hour, with 0.57" measured between 9-10:00.


Today was just the second 80-degree day of the year, coming six weeks after the first (4/9).  This was the greatest number of days between the first and second 80-degree day in eight years, when there was a gap of 45 days.  (The longest gap, in the years since 1900, was 58 days in 1928).  Today's high of 86° was the warmest reading since the first week of September 2012.







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2013 was the first time since 1999, and just the thirteenth year overall, with no days in the eighties or nineties from April tenth to May twentieth.


2020 - only nine days so far this year either reached or exceeded 70° (excluding today), the fewest in a year by this date since 1966, when there were eight such days through May 21. ironically, the winters of both 1966 and this year were rather mild and not particularly snowy. only twenty other years have had less than ten 70° days through this date.


And the summer of 1966 would be the hottest on record until 2010 so it will be interesting to see how this summer plays out.


May 21, right at the height of spring, happens to be my birthday. Since I moved to New York in the spring of 2006, the weather on this date has been very pleasant in almost every year.

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