According to USHCN2 documentation, the TOBS adjustment hasn’t changed from USHCN1. The graph below shows that the TOBS adjustment in USHCN1 varied from -0.1 to 0.3, and was flat after 1990.
ts.ushcn_anom25_diffs_pg.gif (650×502)
The USHCN2 TOBS adjustment is nearly twice as large, ranges from -0.6 to 0, and continues to increase after 1990.
Index of /pub/data/ushcn/v2/monthly
If it was the same algorithm as they claim – the graphs would be identical through the year 2000. Obviously it isn’t.
The final minus raw for USHCN1 ranged from 0 to 0.5, and was flat after 1990
ts.ushcn_anom25_diffs_urb-raw_pg.gif (650×502)
The USHCN2 final minus raw is 600% larger, and goes up exponentially after 1990. Just in the last year, the adjustment has increased by more than a degree.
Index of /pub/data/ushcn/v2/monthly
The US government is cheating and robbing us blind.