July 2016 Weather Recap - A Month in the Tropics
August 2016 Passes August 2015 as Third Hottest

Today in New York Weather History: August 27



Rain from tropical storm Doria moved in shortly before daybreak and continued through early evening.  Rain fell heaviest between 1-3:00 PM, when 1.76" came down.  In total, 4.16" was measured - a record for the date.  Winds gusting to 40-50 mph accompanied the rain.  A second round of rain would dump an additional 1.80" between 1-7:00 AM on Aug. 28.  Rainfall amounts were even greater in New Jersey and southeastern Pennsylvania. 




It was hot, hot, HOT, with a blistering high of 97°, sixteen degrees above average.


The 0.39" of rain that fell between 5-6 AM was the first measurable rain since Aug. 10.


This was the sixth day this month with a low in the 50s, the most in August in the 1970-2021 period (tied in 2007). 


Today was the year's last reading in the 90s, on par with the average date for this occurrence.  In total, the year had a dozen days in the 90s - well below the average of eighteen days.  Between Aug. 3 and today, twelve days had morning lows of 68° or 69°.


Today's low of 72° was the last low in the 70s of the year, more than two weeks earlier than the average date of Sept. 11.  (16 years have had it occur earlier, with 2009 added later).   


During the evening, wind and rain from Hurricane Irene began lashing the area as it slowly made its way northward from the North Carolina and Virginia coasts.  By midnight, 2.88" of rain had fallen - with a lot more to come overnight.  As a precaution, New York's transportation system was shut down at noon and 350,000 residents were evacuated from low-lying areas.




In the late morning a quick-forming thunderstorm dumped a half-inch of rain in just 15 minutes, between 1:23-1:38 PM.


It was hot and humid, with a high of 93° (the heat index reached 102°), the third day in a row with a high in the 90s.  Then a thunderstorm moved through late in the afternoon and produced enough rain in Central Park (0.67”, almost all of which fell between 5:15-5:45 PM) to bring August’s rainfall over ten inches.  This was after July had 11.09" of rain, making July-August just the second time consecutive months had 10 inches or more of rain.  (The other time, March-April 1983, has been disputed because the rain gauge in CPK was broken for a good portion of the year).  Just before the skies opened up, the dew point rose to 77°, which was the highest of the summer.  Interestingly, no rain fell in my Greenwich Village neighborhood (just thunder), which is about three miles south of Central Park (while LaGuardia Airport reported twice as much rain as the Park).



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2020 was the third year of this century (after 2002 and 2010), and the sixteenth year overall, with at least twenty 90° days from June 22 to August 27. all of these sixteen years have happened since 1936. not surprisingly, most of these sixteen years (1983, 2002 and 2020 being three of the exceptions) have had at least one day with a high temp of 100° or warmer.


also in 2021, today’s rain brought the year’s total to 41.93” so far, passing 2018’s 41.61” by this point. only five years have been wetter than 2021 by this point in the year, most recently in 2011 (46.29”) and in 2007 (46.52”).

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