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Casio PAG-80 Pathfinder – how to read the barometer

Posted on December 16, 2009

I’ve just received my new watch, a Casio PAG-80 Pathfinder (Santa Claus gave it to me, personally :P ), which is a Pathfinder, Altimeter, Barometer, Digital Compass, solar powered digital watch. Is still missing one single feature, is not an Atomic/Waveceptor watch, feature hardly wanted but unfortunately unaffordable at this moment.

So, what’s the deal? The deal is that I’ve got a very powerful watch. Besides of the time measurement precision, specific Casio watches (I’ve been using Casio watches for many years – the first one bought back in 1994 from my first student scholarship), this watch is offering other interesting measurements, using triple sensors for temperatures, atmospheric pressure (barometer capabilities) and last but not least a pretty nice compass. And, another thing, is a BIG watch. If you have a tiny wrist, like I have, think twice before buying it. No problem if you’re at least as crazy, as I am, after watches.

casio

I am sure, everyone who’s wearing a similar watch has no problem in interpreting the readings except, maybe, the barometer pressure values. This is because there is no lead of how to interpret this readings into the Casio manual received in the box, nor in the pdf manual that I found on the internet.

So, how to interpret the barometer readings for a Casio watch? First of all I think that this way of interpretation of barometer readings is the same for every watch or barometer, so, don’t worry if you are using a different tool for atmospheric pressure measurements, a different watch or even a normal barometer.

Both units you can set the Casio barometer readings are standards used in North America, inHg and hPa. The question is how to read these barometric values? Searching within dozens of websites I have got finally I clear idea what the barometric readings mean in terms of weather condition.

First, set your Casio watch on inHg units and make a reading. The following values will help you to understand clear what can you expect from the weather based on you watch barometer readings.

Reading Rising Steady Falling
30.50 inHg and above Settled, fine Settled, fine Fine outlook less settled
30.25 inHg Fine Fine Probably fine-a southerly wind will bring rain
30.00 inHg Probably fine-favourable outlook Probably fine Changeable-showers likely
29.75 inHg Rain at times-improving Changeable Rain-dry intervals likely
29.5 inHg Rain likely Rain Rain
29.25 inHg and below Heavy rain Heavy rain Heavy rain-storms

I’ll be back with a more detailed Casio PAG-80 Pathfinder review.

Here more detailed info about atmospheric pressure and barometers.

UPDATES.
Check the weather using hPa readings.

Reading Rising Steady Falling
1032 hPa and above Settled, fine Settled, fine Fine outlook less settled
1023 hPa Fine Fine Probably fine-a southerly wind will bring rain
1015.9 hPa Probably fine-favourable outlook Probably fine Changeable-showers likely
1007.4 hPa Rain at times-improving Changeable Rain-dry intervals likely
999.0 hPa Rain likely Rain Rain
990.0 hPa and below Heavy rain Heavy rain Heavy rain-storms

Here is the pdf Casio PAG80-1V pathfinder user manual for free download.

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