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HIGH TEMPS
16.1°C January all time high on 9/1/15 - ridiculously at night
18.1°C February all time on 23/2/90 got close with 15.5°C on 20/2/17
21.1°C March all time high on 30/3/17
26.0°C April all time on 16/4/03, interesting date in that this was a chilly day on 16/4/16 and also 16/4/49 was hot
28.4°C May all time on 31/5/03 got close with 26.0°C on 8/5/16 and very close with 27.5°C on 26/5/17
34.0°C June all time on 26/6/76 got close with 31.9°C on 19/6/17
34.0°C July all time on 3/7/76 got close with 33.4°C on 19/7/16 and even closer exactly 10 years earlier with 33.8°C on 19/7/06
28.8°C September all time on 4/9/05 got close with 26.7°C on 14/9/16
18.6°C November all time on 2/11/05 got close with 17.4°C on 7/11/15
16.0°C December all time on 28/12/74 got extremely close with 15.9°C on 19/12/15
LOW TEMPS
-2.5°C May all time on 5/5/82 got close with -1.2°C on 10/5/17 and very close with -1.7°C on 1/5/16
2.7°C July all time on 31/7/15
Since then, the July record was exceeded with 36.7°C on 1/7/15 at Heathrow, and the November record with 22.4°C on 1/11/15 at Trawsgoed. June has reached close with 34.5°C at Heathrow on 21/6/17 and September has too, which is surprising (34.4°C at Gravesend on 13/9/16). What doesn't surprise me is the April record, which hasn't fallen. It seems ridiculously high to me. Also, the September record is 35.6°C on 2/9/1906 at Bawtry
April records in the temperate zone can be "ridiculously high" and hard to beat. With no vegetation and a high sun angle the temperatures can get up there. New York City had a record of 96° on April 18, 1976 and also on April 17, 2002. Both were also during "official" heat waves, i.e. three days in a row over 90°. Those numbers for records are not reached again until the middle of May. May 19, 1962 had a high of 99° (link). From that date forward the daily records are regularly 93° or above, and are mostly in the mid-to-upper 90's.
Nashville has never been above 80 F / 27 C after November 19th, or above 77 F / 25 C after December 4th in the year despite the fact that February 13th has seen a temperature in the 80s (and an 84 F / 29 C at that) and New Year's Day has seen a 77.
There's never been a temperature of 84 F / 29 C after November 2nd.
If February 13th can get all the way to 84, it stands to reason that late November or even early December could get to 80. February 13th has about the same temperatures as December 15th here, but a higher sun angle (similar to October 29th). Taking those factors into account, it seems that about November 20th should be able to reach 84, about December 10th should be able to get 80, and a 77 could be seen after Christmas.
That February 13 record (set in 1962) isn't some massive outlier, either; a few February days alone in the past few years have gotten into the 80s. 82 on Feb. 23, 2018, 80 on Feb. 20, 2018, 81 on Feb. 24, 2017.
Nashville has never been above 80 F / 27 C after November 19th, or above 77 F / 25 C after December 4th in the year despite the fact that February 13th has seen a temperature in the 80s (and an 84 F / 29 C at that) and New Year's Day has seen a 77.
There's never been a temperature of 84 F / 29 C after November 2nd.
If February 13th can get all the way to 84, it stands to reason that late November or even early December could get to 80. February 13th has about the same temperatures as December 15th here, but a higher sun angle (similar to October 29th). Taking those factors into account, it seems that about November 20th should be able to reach 84, about December 10th should be able to get 80, and a 77 could be seen after Christmas.
That February 13 record (set in 1962) isn't some massive outlier, either; a few February days alone in the past few years have gotten into the 80s. 82 on Feb. 23, 2018, 80 on Feb. 20, 2018, 81 on Feb. 24, 2017.
That’s only because Nashville may possibly gradually be becoming more like the Deep South maybe even like the gulf coast.
Here's another one: the lopsided summer heat records. It's been to 99 F / 37 C on October 3rd, but has never been that warm before June 4th.
While the October 3rd record, set just in 2019, moved the record high temperature for October up by 5 F / 3 C, it had been 98 F / 37 C as late as September 29th before that, in 1953.
October 3rd has average temperatures similar to May 7th, and a lower sun angle. Yet the warmest it's ever gotten on any day on May 15th or earlier is 93 F / 34 C. It seems entirely possible that the first half of May could get to 99, definitely by about May 25th or so, and that May could have a record high in the triple-digits.
Heat records in mid-late spring are notoriously muted. It's gotten to 89 F / 32 C in March and 91 F / 33 C on April 9th, but nothing above that 91 until May 5th, and only to 96 F / 36 C in May at all.
Also, May has never had the year's highest temperature, despite the fact that September does about 10% of the time and OCTOBER got it once. It was June 1st once (1951).
Also, May has never had the year's highest temperature, despite the fact that September does about 10% of the time and OCTOBER got it once. It was June 1st once (1951).
May has had the hottest temperatures in New York City:
May 19, 1962 - 99° (tied in June); and
May 29, 1969 - 97°
1969 hit the mid-90's about a month later, and for a few days in July. Otherwise, I remember 1969 to be a cloudy, cool, wet and depressing summer. I was five in 1962 so I don't remember it well. From what I've read it was a typical summer. In 1976 about the only real heat we had that summer was in April. .We hit 96° on April 18, and were above 90° both the day before and the day after. In 2002 we had a similar heat wave around the same time, also cresting at 96°. We had plenty of heat that summer, though. In 2009 we had an "official" heat wave, cresting at about 92° in late April, and then in August. Otherwise, like 1969, a cool, drab summer. In 2000 we had our only heat wave for three days ending May 9.
Those April numbers appear driven by the combination of lack of vegetation. The sun uses all of its high-angle energy heating the ground, with little interference. As for 1969 and 2009, El Niños appear to favor spring warmth and summer chill. Ditto 1976, an oncoming El Niño. 2002, also an oncoming El Niño was an outlier as a hot New York summer.
Here's another one: the lopsided summer heat records. It's been to 99 F / 37 C on October 3rd, but has never been that warm before June 4th.
While the October 3rd record, set just in 2019, moved the record high temperature for October up by 5 F / 3 C, it had been 98 F / 37 C as late as September 29th before that, in 1953.
October 3rd has average temperatures similar to May 7th, and a lower sun angle. Yet the warmest it's ever gotten on any day on May 15th or earlier is 93 F / 34 C. It seems entirely possible that the first half of May could get to 99, definitely by about May 25th or so, and that May could have a record high in the triple-digits.
Heat records in mid-late spring are notoriously muted. It's gotten to 89 F / 32 C in March and 91 F / 33 C on April 9th, but nothing above that 91 until May 5th, and only to 96 F / 36 C in May at all.
Also, May has never had the year's highest temperature, despite the fact that September does about 10% of the time and OCTOBER got it once. It was June 1st once (1951).
Oklahoma and North Carolina have similar patterns in spring, summer, and fall.
So over 5 years later and still no lower record than 2C in the CBD.
Maybe it will reach 1C at least. I think 0C is near impossible on the harbour.
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