Tmax

The mean absolute difference averaged from all seven sets is 1.00C for Tmin, about 2.5 times larger than for Tmax.

Lights = 0, Air Conditioners = 22 « Climate Audit 2007

Will the duty cycle matter for a single Tmax measurement ?

Lights = 0, Air Conditioners = 22 « Climate Audit 2007

Heat sink type microbiases, such as concrete/brick masses near the observing tend to bias Tmin more than Tmax.

A Second Look at USHCN Classification #2 « Climate Audit 2007

About 80 days with a Tmax over 90F about 30 days with a Tmax over 100F.

Lights = 0, Air Conditioners = 22 « Climate Audit 2007

When you download USHCN daily data and request Tmean, they round it up. so if Tmax were 12F and Tmin were 9, they report Tmean as 11

Milestone « Climate Audit 2007

Perhaps running opentemp on Tmax only with CRN12345 – CRN1234 would be a good test. steven mosher

A Second Look at USHCN Classification #2 « Climate Audit 2007

Perhaps running opentemp on Tmax only with CRN12345 – CRN1234 would be a good test.

A Second Look at USHCN Classification #2 « Climate Audit 2007

In essence the midpoint between the Tmax and Tmin has a different meaning than a straight mean.

A Second Look at USHCN Classification #2 « Climate Audit 2007

A big case was made by two presenters at Pielke's recent conference to do away with Tmin and only look at Tmax due to Tmin having so many possible microsite biases compared to Tmax.

A Second Look at USHCN Classification #2 « Climate Audit 2007

Probably not, If the algorithm allows a single 10 sec reading to represent Tmax for the whole day.

Lights = 0, Air Conditioners = 22 « Climate Audit 2007