NWS post on record hours with dew point >70%!
So far for the year we've recorded 473 hours where dewpoints were ≥ 70°. As far as records that we know of, the most number of hours prior was 395 back in 1988. 473 hours of swimming through the air.
The chart shows the potential for dramatic change from year to year. On going monitoring of the response of interior climate conditions to seasonal change can help organizations adapt and make the best decisions for their collections.