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Nice. A mean of 6.7C in the coldest month. No wonder you can grow palm trees. Mostly comfortable and quite warm, actually.
I saw that Portsmouth, York, Freiburg and Paris all had March warmer than April. How common is that? Or that October is warmer than September or May than June?
Great stats/pics everyone. I have to wait for my stats until mid-January...
It isn't very common for March to be warmer than April! 2012 was a very strange year weatherwise in the UK, started with a drought & water restrictions across a huge chunk of the country, then the heavens opened & didn't stop, leading to the wettest year on record with numerous floods throughout the year!
I'm not sure? Possibly because Portsmouth is very densely populated, it's even more densely populated than London, so I imagine it's an urban heat effect. Portsmouth is also situated on its own island, so that may have something to do with it?
Yeah I guess that plays a part. The weather station here is about 10 minutes out of town, although I wouldn't think there would be any difference between the two. If anything, the frosts are usually heavier in town.
I was thinking that there might be more colder overnight lows here. This December for example, saw 8 nights with temps between 3C-8C, even this morning was 7C here. Those days will still typically reach the low to mid 20'sC.
Wow, look at how ridiculous February-June looks sun-wise! The average March high being 4.4C higher than the average April high looks really odd too - bet that doesn't happen too often! (How do you work out the mean? Using (high+low/2) would give an April mean of 5.9, not 6.5.)
Also, that was merely a typo. My bad, just noticed it.
Nice. A mean of 6.7C in the coldest month. No wonder you can grow palm trees. Mostly comfortable and quite warm, actually.
I saw that Portsmouth, York, Freiburg and Paris all had March warmer than April. How common is that? Or that October is warmer than September or May than June?
Great stats/pics everyone. I have to wait for my stats until mid-January...
According to the Central England Temperature (the average of three sites in different parts of England) March has been warmer than April seven times since 1950 (I'm too lazy to look through more of the record!), but it's usually by fractions. There's never been a sunny, really warm and dry March followed by a cool, dull and wet April to the extent that happened last year before. The oddest thing that's happened recently in terms of seasons being mixed up was October 1974 being colder than December 1974, though if you go further back the two coldest months of the 1795/1796 winter were November and March - a really bizarre sequence of freak weather:
October 1795: 11.7C (then-warmest on record [records began in 1659])
November 1795: 4.5C (far lower than anything we'd expect now)
December 1795: 6.6C (then-second warmest on record, mild even by modern standards)
January 1796: 7.3C (then-warmest on record, record only beaten once since and then only by 0.2C)
February 1796: 4.7C (normal)
March 1796: 4.2C (far lower than what we'd expect now)
April 1796: 10.2C (then-warmest on record)
It will be interesting to see how Fakertane compares to Tauranga.
Still awaiting the manual data from Nelson Aero - it takes longer for the manual site data to get to the CliFLo database. Blenheim EWS value for 31 Dec is not there yet, hope it is not missing. Tauranga value will probably not be available for a week or two, but will be way over 200 hours behind the Faker.
March was well above average, ditto with February though it wasn't as extreme. While unlike the UK, April was still warmer than March (harder here with the greater seasonal differences) the April low was nearly the same as the March low. The summer months particularly July, look remarkably stable temperature-wise as is usual — monthly record isn't too far from the average.
Thershold to count as a precipitation day is 0.1 inch (2.5 mm). Is that what others use?
March was well above average, ditto with February though it wasn't as extreme. While unlike the UK, April was still warmer than March (harder here with the greater seasonal differences) the April low was nearly the same as the March low. The summer months particularly July, look remarkably stable temperature-wise as is usual — monthly record isn't too far from the average.
Thershold to count as a precipitation day is 0.1 inch (2.5 mm). Is that what others use?
I use 0.3mm. In our climate it can drizzle for hours or have multiple light showers throughout the day, giving the effect of definitely being a wet day, and still get considerably less than 2.5mm.
March was well above average, ditto with February though it wasn't as extreme. While unlike the UK, April was still warmer than March (harder here with the greater seasonal differences) the April low was nearly the same as the March low. The summer months particularly July, look remarkably stable temperature-wise as is usual — monthly record isn't too far from the average.
Thershold to count as a precipitation day is 0.1 inch (2.5 mm). Is that what others use?
For NZ climates I consider 1.0mm to be a good value. Using lower thresholds doesn't show as much discrimination between the less rainy and more rainy climates, in my opinion.
I use 1mm (0.04in) as well. That way most days with precipitation will count, but some 5 minutes of rain collecting 0.1mm won't count as a "rainy day".
Neat year in Amherst temperature-wise. Nice rise in lows in April-May.
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Mostly comfortable and quite warm, actually.
