• nfh@lemmy.world
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      1 hour ago

      Minnesotans at 30°F are a great example of direction mattering, and not just temperature; hit 30 on the way down and you’ll see them change out of shorts, but hit 30 on the way up and you’ll see them change into shorts

    • Weirdfish@lemmy.world
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      2 hours ago

      When it’s 30F and sunny I’m on my snowboard in a t shirt. Course, I’m in Chicago, 30C feels like a nice cool day to do shit outside in summer.

  • ExtremeDullard@piefed.social
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    5 hours ago

    Americans have compatibility issues with the rest of the world, and it’s not getting any better - in more ways than this one.

    • Psionicsickness@reddthat.com
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      4 hours ago

      Whatever. Metric is better in pretty much every other way, but Fahrenheit is demonstrably better for describing temperature as experienced by a human.

      • stoy@lemmy.zip
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        1 hour ago

        I am so tired of this claim, it just feels that way because you are used to it, just as C feels easier to use for describing temperatures for me as I am used to that.

        It is a completely subjective definition, that you can’t judge objetively.

      • TheRealKuni@piefed.social
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        48 minutes ago

        Fahrenheit is demonstrably better for describing temperature as experienced by a human.

        I used to say this exact thing. I decided to be scientific about it and test it by learning Celsius and trying it for a few months.

        I have not gone back. It has been seven years. All my devices are still reporting Celsius to me.

        I was enjoying the process just because of the novelty of learning a new temperature scale, but when I experienced my first winter with Celsius I knew I’d never go back.

        0 being freezing is so much more useful than you’d think. 23°F doesn’t really mean anything to me, but -5°C means “as far below freezing as 5°C is above freezing.” It inherently provides context without having to do math.

        Also, the degrees being “larger” makes them more meaningful and thus easier to learn.

        If you want to try what I did, here are some useful steps. First, this rhyme: “30 is hot, 20 is nice, 10 is chilly, 0 is ice.”

        More importantly, here’s the heuristic I came up with: memorize the 10s. So 10°C = 50°F, 20°C = 68°F, 30°C = 86°F (easy to remember 68 and 86 because they’re reversed). Then memorize the 5s. You can always find them because they’re 9°F off from the 10s. 25°C = 77°F for example.

        Once you have those points memorized, you can go up and down from them using 2°F per 1°C. It’s really 1.8, but since at most you’ll be 2°C away from a certain value, the most you’ll ever be off is 0.4°F. So if the weather app tells you it’s 22°C, you start at 68°F and add 4 to get to 72°F (it is actually 71.6 but who cares?). If it says 23°C, you start at 77°F and subtract 4 to get 73°F (actually 73.4, but again who cares?).

        I used this heuristic until I didn’t really need it anymore. I still use it if someone asks me the temperature, because I live in the US and no one knows Celsius. So I quickly convert and give them their Fahrenheit value. But at this point I don’t really need to do so personally.

        And like I said, I much prefer Celsius even for describing weather. It has really taught me how arbitrary both scales are. A co-worker of mine said, “Yeah but 100° sounds hot.” I replied, “The first time a colleague in India told me it was 40° outside, that sounded hot.” I didn’t need to convert it (didn’t bother memorizing that value because I never see it where I live), it just sounded hot because I knew the scale. (It’s 104°F for the record.)

        But as I touched on, I was shocked by how much the freezing point being zero mattered. It makes sub-freezing temperature values so useful. I hadn’t expected that, growing up I knew 32°F was freezing and was so used to that nonsense that I didn’t realize what I was missing until I experienced it.

      • Hegar@fedia.io
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        2 hours ago

        Fahrenheit is demonstrably better for describing temperature as experienced by a human.

        It’s just not though. F uses a wider range of numbers to describe common outside air temperature, but more numbers =/= better.

        I’ve lived in both F and C countries and farenheit is not easier, more intuitive, more sensible or better in any way. A number is a number. The extra precision of F is not super useful - no one can really feel a 1F difference. The freezing point of water does make a huge difference, so knowing above/below zero C is useful, but above/below 32F is no harder.

        This argument that F is somehow more suitable for human temperatures is something you see online, but as someone comfortable with both i can say there is functionally no difference, except that metric is compatible with the rest of the world.

        • doctordevice@lemmy.ca
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          2 hours ago

          I strongly disagree on one key point:

          no one can really feel a 1F difference

          Yes I can. Changing my thermostat by a single degree can be very impactful on my comfort. And on the “too warm side” each additional degree is noticeably less comfortable.

          Days with highs of 68F, 69F, and 70F and comparable humidity all feel different to me. Sure, there are more factors at play but holding the rest equal, 1F differences are noticeable.

      • Instigate@aussie.zone
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        42 minutes ago

        It’s interesting to me that the only people who advocate for Fahrenheit over Celsius in any circumstances are those who grew up using it, whereas those who prefer Celsius over Fahrenheit are from both places where Celsius and Fahrenheit are used. I’m yet to see an example of someone saying “I grew up with Celsius but Fahrenheit is so much better because…”

      • JusticeForPorygon@lemmy.blahaj.zone
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        4 hours ago

        I don’t understand how this is the case. I feel like it would only be perceived as being true by growing up with the system. Like i guess I don’t know where you grew up so I shouldn’t really make this assertion but I feel like most people from countries that use Celsius have probably never thought “hey I think it’s weird that 30 degrees is considered really hot.”

        I guess you could make the same argument that people living in the United States don’t complain about water boiling at 212 degrees but that also doesn’t address the compatibility issue

        • kahjtheundedicated@lemmy.world
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          3 hours ago

          It’s pretty much just 0 is really cold and 100 is really hot as far as weather goes. Besides that it feels pretty arbitrary. I’m a metric stan, but I do still think Fahrenheit is pretty good for talking about the weather.

          • Saapas@piefed.zip
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            2 hours ago

            That’s pretty damn subjective lol. At least the zero point (something important to people living in countries where it falls down to that) gives off useful info.

            • LurkingLuddite@piefed.social
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              1 hour ago

              All numbers are arbitrary until you relate them to reality. This whole debate is fucking stupid vibe checks on how people feel about meaningless numbers, because the temperature is the temperature whether it’s -40 or 233, or 420.

              • Saapas@piefed.zip
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                1 hour ago

                I mean the zero point of Celsius isn’t a vibe in the same way as “pretty cold, pretty hot” or however people describe Fahrenheit. It actually means something to real life that it gets to zero or goes negative. 100C is for most people much less useful tbf.

                But mainly it’s about what you’re used ofc. I just hate the nonsense thing about Fahrenheit being better that is about vibes alone

                • Cethin@lemmy.zip
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                  27 minutes ago

                  0 in F also means something very specific. Celsius isn’t any better at that. If you want something that actually means 0 at 0 then use Kelvin. If you aren’t, both have an equal basis in reality.

                  The scale of values is just better for human experience in F. It has more integer values in the range of values humans experience.

        • ElectricTrombone@lemmy.world
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          3 hours ago

          I won’t argue which is better. But the human body thing has truth to it. He literally designed the scale around common temperatures. 100 was supposed to be human body temperature (he ended up being a little off, but close). And the 0 on the scale was found by just adding ice to salt until it stopped getting colder IIRC.

      • inari@piefed.zip
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        4 hours ago

        It’s just arbitrary numbers. It only seems better to you because you grew up with it.

      • ExtremeDullard@piefed.social
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        4 hours ago

        Which units are best doesn’t matter: the point is, nobody else uses standard units anymore, apart from a couple oddball countries, and only one of them - North Korea - isn’t trying to extricate itself from it.

        Everybody else tries to be a part of the world’s technical and scientific communities by speaking the same language, but of course America has to be different. Because of course it does… And it’s tiring if you ask me.

        • Zorque@lemmy.world
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          4 hours ago

          America does speaks metric, especially the technical and scientific communities. They just also speak standard.

          Don’t other countries get on Americans for not speaking more than one language? Why is that now a detriment?

        • ccunning@lemmy.world
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          3 hours ago

          I dunno - I had to buy a mattress bed and sheets in feet in Thailand. We don’t even do that in America.

          And the steel tube was sold in inches, meters and millimeters ¯_(ツ)_/¯

        • Psionicsickness@reddthat.com
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          4 hours ago

          And I agree with you, fully, except for temperature. “If everyone was jumping off a bridge”, right?

          The scale is stupid and I don’t give a fuck if it’s the “norm”. The norm is dumb.

          • ExtremeDullard@piefed.social
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            4 hours ago

            Norms may be dumb but they make everybody’s lives easier when everybody follows them.

            As for temperature specifically, there’s nothing inherently better in Celsius or Fahrenheit. It’s just a choice. The only unit that is superior to all of them is the Kelvin because it has a true zero, but it’s not commonly used in everyday settings.

            • Psionicsickness@reddthat.com
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              4 hours ago

              But there is something inherently better in Fahrenheit! 0 is fucking cold. 100 is goddamn hot. It’s a measure that makes sense to the perception of us, human beings.

              0 in Celsius is a little cooler than brisk, and 100 means you’ve been dead for a while. It’s a dumb system for humans to use.

    • lonefighter@sh.itjust.works
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      3 hours ago

      And 30 F isn’t really that cold. Throw a hoodie on or maybe a light jacket.

      I wish it were 30 F right now. I’m ready for summer to be over.

  • Signtist@bookwyr.me
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    5 hours ago

    That’s why I’m glad I live where I’m more likely to complain about it being -40.