Search Results for: TOBs

The Wildly Fraudulent TOBS Temperature Adjustment

NOAA massively tampers with US temperature data, to turn a 90 year cooling trend into a warming trend. Their main excuse for doing this is Time of Observation Bias (TOBS.) NOAA says that station operators in the past used to reset … Continue reading

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TOBS Adjustment Is Garbage

The USHCN Time Of Observation BIAS (TOBS) adjustment is based on the idea that thermometers reset in the afternoon tend to double count hot days and thus produce a warm bias. For example, Warrenton, MO reset their thermometer at 5PM … Continue reading

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More Missouri TOBS

There is no meaningful difference in Missouri temperature trends between morning/night and afternoon stations. TOBS adjustments do nothing but corrupt the data set.

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What Is The Real Value Of TOBS?

NOAA makes a large adjustment to the US temperature record based on Time Of Observation Bias. The idea is that most station operators were morons in the 1930’s, and reset their min/max thermometers in the afternoon – causing double counting … Continue reading

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How US Temperatures Trends Have Been Artificially Increased Since 2007 – (And It’s Not TOBS!)

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More Evidence That TOBS Is Garbage

I ran another test of TOBS-resistant data. Any day which has a higher maximum than the previous day can not  be due to TOBS double counting. The graph below shows the percent of days over 90 degrees, which were also hotter than … Continue reading

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Zeke Still Hiding Behind TOBS

Time of Observation Bias (TOBS)  is the first refuge of climate scoundrels. It is normally described by alarmists as “they used to take temperatures in the afternoon, but now they take them in the morning.” This explanation is complete nonsense. … Continue reading

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Sinking The TOBS Excuse

One of the main excuses used for this data tampering is time of observation bias, which is based on the idea that people operating thermometers used to be complete morons, and would reset their min/max thermometers only once per day near … Continue reading

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Another TOBS Test

Testing TOBS by station removal is a little tricky because morning stations tend to be in warmer parts of the country, so diverging regional trends affect the result. But one state had a 50/50 mix of morning/afternoon stations in July … Continue reading

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It Is Not The TOBS, Stupid

The standard excuse for tampering with US data is that people used be incredibly stupid and reset their min/max thermometers only once during the heat of the day – causing double counting of hot afternoons. It is easy enough to test … Continue reading

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