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[quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous]Going for a recreational hike anywhere when it's 95+ outside is not a good idea. Look at all the people they have to rescue from bill goat trail near the Potomac every year. [/quote]

95+ here with humidity is 1000x worse than 105+ with no humidity. [/quote]
Except that, as has been posted multiple times on this thread, it was unusually humid as well as unusually hot when they set out on 8/15. The relative humidity was 47% at 8:00 am that day. By 11:00 am it was 99 degrees and 22% relative humidity. The lowest humidity point during the day, at 3:00 pm was 16%, when it was 109. Absolutely miserable, beastly weather anyway you slice it. [/quote]

Huh? That’s is a dry heat.

https://www.weather.gov/epz/wxcalc_heatindex

99 & 22% feels like 96.9
109 & 16% feels like 107.3

Or maybe even less according to this chart: 
[img]https://lh5.googleusercontent.com/proxy/disbb5_r1xT7YLlFM9p6UPA5qedTvld9ls0VMlXVx-mpbc90N56EKITq483hNn3oREzrQ5k5SdXYdo1zQVPtvTV7_gtNtb8GnxOk2uiu3Gh2t15X2Syqze52CY9Nlx9aJB4Kag5hz8BEpEpIjtfj[/img]
[/quote]

I mean it's only "Extreme Caution" or "Danger" ... practically a cool spring day.[/quote]

The point was dry heat is better than swampy DC humidity, which is what the graph shows. The air temp actually feels COOLER with low humidity.

[/quote]
I was the one who posted the humidity numbers, and the graph supports the point I was making, which is that the weather this family faced was not a bearable dry heat that so many people on here are speaking of.  To use PP's example of a 95 degree day in August in DC, given that the average afternoon humidity here is 55%, that is going to feel like a beastly 110 degrees if you look at the chart.  The high temperature this family faced, 109 degrees and 16% humidity, is going to feel like a beastly 108 degrees.  Had it been low-humidity day, that 109 degrees might feel as pleasant as a (still not very pleasant) 99 degrees.

Basically, I think anyone who says that the temperatures they faced were not so bad because it was a dry heat are wrong anyway you slice it.[/quote]

There wasn't very low humidity that day, but it was fairly low. It felt cooler than it the air temp because it was relatively low.

Anyway, back to my point: "95+ here with humidity is 1000x worse than 105+ with no humidity."

95 @ 55% - feels like 108.9
105 @ 3% - feels like 98

Plus here you're all sweaty and nasty because the air is too humid to evaporate the sweat. So disgusting. 
[/quote]

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