There has been a lot of confusion over the 5 minute observations from our main ASOS sites.  I have absolutely no inside information on any of this, but I'm fairly certain I've figured out what is happening. Here is the link to DCA's obs:  https://www.wrh.noaa.gov/mesowest/getobext.php?wfo=lwx&sid=KDCA&num=72&raw=0# That'll take you to the METARs, and below is how you get to the 5-min obs (you have to open a dropdown box on mobile).   However, you have to be