By Anthony Watts, Watts Up With That

I’ve recently updated the http://www.surfacestations.org website with the latest surveys and numbers. We have 534 stations surveyed. Here is where we stand now with USHCN station surveys:

See full size map here

See full size pie chart here

Ratings in chart based on Climate Reference Network Rating Guide - adopted from NCDC Climate Reference Network Handbook, 2002, specifications for siting (section 2.2.1) of NOAA’s new Climate Reference Network. CRN categories 4 and 5 which total 69% of stations sited, have errors greater than 2C. See more here.