Table 3 Estimated instrumental errors. k = (1013.25 hPa - pmean)/100 hPa, where pmean is the average of the whole series and k is used to linearly increase the error with elevation.
From: ModE-RA: a global monthly paleo-reanalysis of the modern era 1421 to 2008
Variable | Description | Error |
---|---|---|
pressure | baseline | \(\sqrt{3}\) hPa |
pressure | average of monthly extremes | \(+\sqrt{4.7}\) hPa |
pressure | Julian calendar (interpolated) | \(+\sqrt{4.3}\) hPa |
pressure | not reduced to sea level | \(+\sqrt{1.1}\) hPa * k |
temperature | baseline | \(\sqrt{0.9}\) K |
temperature | average of monthly extremes | \(+\sqrt{1.4}\) K |
temperature | Julian calendar (interpolated) | \(+\sqrt{0.8}\) K |
precipitation | baseline | max(10 mm, 30%) |
precipitation | Julian calendar | +50% |
wet days | baseline | 2 days |
wet days | Julian calendar | +3 days |