
Scott Simmons
23.2K posts

Scott Simmons
@sjsimmons
Husband, father, educator, photographer. I love backpacking, hiking, cycling, trail running, wildlife, the environment, geology, music, and a good book.



Shewchuk -some questions for you: 1. Why are you averaging raw absolute maximum temperatures instead of anomalies (each station’s deviation from its own long-term baseline)? Every climate dataset on Earth uses anomalies precisely because raw absolute temperatures are dominated by fixed geography - things like elevation, latitude, and local terrain that never change. Your “dumb average” is scientifically worthless for trends. 2. As a retired meteorologist and former NWS COOP observer, why do you completely ignore the Time of Observation Bias (TOB)? The documented shift from afternoon to morning readings cooled the raw record by ~0.3 C. That alone explains most of your flat “raw” line. 3. Why does your “raw” chart never match the official unadjusted USHCN TMAX data when properly processed as anomalies? 4. If NOAA’s adjustments are “fraud,” why does the pristine, bias-free USCRN network (installed since 2004 with no TOB or siting issues) match the adjusted USHCN trends and anomalies almost perfectly, but diverge from your raw data? 5. Your chart only shows US maximum absolute temps. Why does your “raw” claim disappear when you look at minimum temperatures, global datasets, satellites, reanalyses, or ocean heat content, all of which show clear warming? 6. Can you post your exact code and the specific USHCN version/date you used so independent analysts can reproduce your “raw” flat line?












Since 2014, the planet has been warming by about 0.36°C per decade, according to an analysis of five temperature datasets, raising fears that climate tipping points could be crossed earlier than expected #Echobox=1773507854" target="_blank" rel="nofollow noopener">newscientist.com/article/251836…




























