US Climate Science Special Report, 2017

In response to the Climate Etc. crowd review of the US Global Change Research Program Climate Science Special Report  (CSSR) Fifth-Order Draft, what follows are brief exceptions to the report: Continue reading

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On the Decrease of Hot and Cold Months in the US

This gallery contains 8 photos.

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USHCN

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GHCN

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Hot Days Supplemental

ushcn_conus_tmax_1905_2014_jja_precip Continue reading

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CONUS GHCN Precipitation

I looked at the GHCN Precipitation data. PRCP stations are not as prevalent, nor as old as the temperature stations so shorter time frame, since 1930, includes these stations:

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Global Extreme Heat in the GHCN

After examining the record of CONUS stations in the GHCN TMAX record, it is quite reasonable to ask ‘What about the global record?’ I looked the global GHCN data ( excluding the US stations, which dominate the record, especially early on ).

When examining these data,

  • Duration of record ( to compare trends in the context of other changes )
  • Continuity of record ( to avoid bias from transient stations )
  • Spatial coverage ( to capture regional changes )
  • Representative distribution of stations
  • Reliable data

Further qualities which are not necessarily known from the record are accuracy and being free of biases.

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