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the majority of stations that have a rating of 4 are MMTS/Nimbus equipped stations, which according to NCDC’s MMS equipment lists, make up 71% of the USHCN network. It appears that cable issues with the electronic sensors have forced them closer to buildings, roads, etc because NOAA COOP managers don’t often have the budget, time, or tools to trench under roads, sidewalks etc to reach the site where Stevenson Screens once stood. While this isn’t always the case, a pattern is emerging. Note that of the 33% surveyed, only 13% meet the CRN site criteria (Rating of 1 and 2)for an acceptable location to accurately measure long term climate change free of localized influences. Climate Reference Network Rating Guide - Class 1 and 2 are considered best, 5 is the worst |
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