Today in New York Weather History: October 4
Today in New York Weather History: October 6

Today in New York Weather History: October 5



Today's high of 66° was the warmest reading this month, making October 1888 the only October to have its warmest reading be cooler than 70°.  (Three other Octobers' warmest readings have been 70°, most recently in 1977.)


Today's high soared to 89° and was the fifth day since 9/30 with a high in the 80s.  (The average high at the beginning of October is in the upper 60s.)  Today's high was a record until 1941.


The hottest temperature ever experienced in New York in October occurred today as the high soared to 94°.  This was 28 degrees above average.  Today was the middle day of a three-day stretch of summer-like heat; each day's high was a record, all which still stand (88°, 94°, and 90°).




0.79" of rain fell between 7-9 PM. 


Today was the 19th day this year with a low of 65°, which is the greatest annual frequency for a low temperature of any year in the 1970-2020 period.  (In 2005 the high of 82° occurred twenty times, which is the most frequent high temperature during any year.) 


1.99" of rain fell today, with 0.82" pouring down between 11 PM-midnight.  It was a record rainfall for the date, the first of three rainfall records this month.  This was also the first of four rainstorms in October that produced more than an inch of rain.  




Under clear skies, the afternoon high hit 78°, the warmest reading of the month.  It was also the 13th time this year that this high temperature was reported - the greatest frequency of any high temperature in 2012.


It was a clear and brisk day, with a high/low of 61°/45°.  This was the first low in the 40s this fall - and the chilliest first 40 since 2003 and 2002 (both at 44°).  Today's low came less than 72 hours after a sizzling high of 93°.  And while this was certainly quite a transition, there have been eight years in which the first low in the 40s came before the final 90°+ reading (the most recent being in 1961).






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October 2016 had highs in the 80s, and with this October following suit, this was the first time back-to-back Octobers had 80° highs since 2001-2002, and the first time in a decade the temperature reached 80° on this date.


That's pretty amazing that it's been such a long time since the last back-to-back years considering that there were 19 years in a row, from 1938-1956, with 80-degree readings in October. Between 1938-1970 90% of Octobers had at least one day with a high in the 80s, but that % has dropped to just 40% in the years since.


How's this for amazing? The Octobers of 2016, 2017 and 2018 each had at least one day that either reached or exceeded eighty degrees, making this the longest such October streak since 1967-1970.


1888 - The lack of warm weather contributed to October 1888 easily being the coldest October on record. (Conveniently, 1888 was New York’s coldest year on record, and March 1888 and July 1888 were also the coldest on record in their respective monthly categories.) I would like to thank the author for answering my question if there were any Octobers in which the high failed to reach 70 degrees (on the October 27 post).

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