Today in New York Weather History: November 9
Today in New York Weather History: November 11

Today in New York Weather: November 10


November 10 and April 6 are the dates most likely to have had rainfalls of an inch or more; since record-keeping began in 1869 it's happened in eleven years.  November 10 joined this exclusive club in 2000 when 1.48" of rain fell (see below).  Since that year, however, the most rain to fall on this date is 0.26", in 2015.


Boots in puddle



Today's high of 61° was the relatively chilly mildest reading of the month - and there wouldn't be another reading in the 60s until March 26.


The morning low of 31°, 13 degrees below average, was the fall's first temperature of 32° or colder.


An all-day rain amounted to 1.70", making this the rainiest Nov. 10 on record.  This accounted for much of the month's total precipitation (2.82").




Today was the twelfth day in a row with a below average mean temperature, the longest such streak since one of fifteen days in July 2009.  Embedded in this dozen days was superstorm Sandy as well as a nor'easter that dumped nearly five inches of snow.  This streak followed twelve days with above average temperatures between Oct. 18-29.  


Arctic air swept in overnight and the temperature fell steadily all day, dropping from 51° shortly after midnight to 25° nearly twenty-four hours later.  The low was a record for the date (the previous record was set in 1914) and was the earliest occurrence of a 25° reading since 1976, when it occurred one day earlier.  What made this cold outbreak even more startling was the fact that it occurred so soon after the mildest October on record.  (The average date of the first 25-degree reading is 12/6.)




Today was the fifth day in a row with a high in the 70s - just the second time a streak of this length occurred in November.  (The other instance was five years ago.)  However, this year's streak was about two degrees warmer.  Highs during this streak were 70°-74°-75°-75°-74° (today).  Today's high was a record for the date.  Additionally, today's low of 60° was the deepest into November for a low this mild since Nov. 2002, when a low of 60° was reported on the 11th.  (But including December in the mix, neither can compare to a low of 63° on Dec. 24, 2015.)


For the eighth consecutive day skies were mostly clear (last month, by contrast, featured a 10-day period of overcast skies between Oct. 4-10).  Today was also the tenth day in a row in which no measurable rain fell, making it the longest dry spell to begin November since a 15-day streak in Nov. 1978.  This 10-day rain-free period was in stark contrast to the last 10 days of October, which had 4.75” of rain.


Clear skies central park fall 2021










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also in 2017, the low of 25° broke a string of 222 days with a low temperature of 39° or warmer. this actually became the longest such streak on record. this bested the previous record from 1938 and 2010 by five days.


2018 - 0.03" of rain fell today in the two hours from 2AM to 4AM. today's rain brought the year's total, so far, to 53.79". this was the exact same amount that fell in all of 2014.


And with a seven-and-a-half weeks left in the year this amount puts 2018 in a tie for 20th wettest year (out of 150 years).


2020 tied 1975 for the November with the most days of 74° or warmer, which was four. also in 2020, the low of 60° set a record high minimum temp for the date, breaking the previous record from 1977 by two degrees.


the dry streak in the beginning of November 2021 brings to mind the paltry 0.26” (which fell on two non consecutive days) that fell on the first ten days of October 2021.


when was the last time any individual calendar month began with ten or more precipitation free days before November 2021?


The last time was in May 2015, when the first 15 days of the month had no measurable rain. It was a continuation of a dry spell that began on 4/23.

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