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April gets about 90 extra hours of sunshine though which helps make up for the fact that it's the main spring thaw month here with the snow finally melting to reveal the dead grass.
Also 9C in April feels quite warm after 5 months of winter while the 10C of October is mostly just a reminder that the short summer is over.
October is warmer here as with most NH oceanic climates due to seasonal lag. The daytime high average is 14°C vs 13°C for April but the real difference is in the overnight low, which is 8°C for October and 5°C for April.
Oct is much hotter than Apr. The last 10 8 years have seen a insane ramp up in world wide heating in most places. We now see 90's well into Nov in my part of FL . Last Oct was the hottest ever for my area and each year it gets worse.
October is slightly warmer than April here. I think I prefer April though, because it's sunnier and more variable with more warm spells. There is also a large temperature change between the beginning and end of October.
It's hotter here in October but I prefer April because we can have cooler nights. Tonight not being one of them. I love it getting down into the 50°s and having my bedroom windows open.
Early cold, snow or heat usually signals mild season to follow
Quote:
Originally Posted by EmilioG
But I think that the rule is that October is warmer than April on a global scale, not just at coastal areas. What then would be reason for non-coastal locations?
Quote:
Originally Posted by BadgerFilms
The influence of the previous season. It takes a while for the warmth of summer to fade out, just like for the cold of winter.
I think April has greater extremes. In my area in April we have had 91° as early as April 7, in 1991 and 2010 and 96° as early as April 16 or 17 in 1976 and 2002. We had close to 10" of cold, dry, blowy snow (falling at 25° to 27° on April 8, 1982. By contrast early October is it for 90's, barely cracking 90° in the first week a few time. And biggest snow was about 4", falling at above-freezing temperatures, in 2011. With 2002 being the exception, the 96°'s of mid-April and the late October snows (1972 and 1979 come to mind) pretty much ended summer and winter for the years in question.
The 96° in 1976 was the high for the summer and we barely touched 90° or 91° a couple of times that summer. In 1969 we hit 97° just before Memorial Day, the summer's high. While there actually were a few heat waves or hot short periods that summer, the summer was notably cool and rainy. 1992 and 1996 were worse; one three-day heat wave in late May and almost no heat thereafter. In 1972, 1979 and 2011 there was October snow, followed by notably mild winters.
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Quote:
Originally Posted by jbgusa
I think April has greater extremes. In my area in April we have had 91° as early as April 7, in 1991 and 2010 and 96° as early as April 16 or 17 in 1976 and 2002. We had close to 10" of cold, dry, blowy snow (falling at 25° to 27° on April 8, 1982. By contrast early October is it for 90's, barely cracking 90° in the first week a few time. And biggest snow was about 4", falling at above-freezing temperatures, in 2011. With 2002 being the exception, the 96°'s of mid-April and the late October snows (1972 and 1979 come to mind) pretty much ended summer and winter for the years in question.
The 96° in 1976 was the high for the summer and we barely touched 90° or 91° a couple of times that summer. In 1969 we hit 97° just before Memorial Day, the summer's high. While there actually were a few heat waves or hot short periods that summer, the summer was notably cool and rainy. 1992 and 1996 were worse; one three-day heat wave in late May and almost no heat thereafter. In 1972, 1979 and 2011 there was October snow, followed by notably mild winters.
92 was a cool summer for a good chunk of North America due to the mid spring eruption of Mt Pinatubo in the Philippines; all the ash it spewed into the atmosphere got swept up into the jet stream and dampened the sun over North America for months
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Early cold, snow or heat usually signals mild season to follow
