Table 2.

Statistics of the comparison between NOAA-20 OMPS and Pandora NO₂ total columns, based on all data from 13 U.S. Pandora stations during 2019-02-14 to 2020-04-30. The uncertainties are the corresponding standard errors of the mean.

	Mean relative differencea	Mean differenceb	Standard deviation of absolute biasc	rd	slopeOLSe	slopeRMAf	Ng
All data	14.8 ± 2.0	−0.29 ± 0.15	5.8	0.40	0.32	0.81	1434
Pandora highh	−34.6 ± 2.1	−7.18 ± 0.49	7.4	0.43	0.29	0.72	225
Pandora lowi	24.1 ± 2.2	1.00 ± 0.12	4.3	0.20	0.38	1.95	1209

^aMean relative difference (%).

^bMean difference (× 10¹⁵ molecules/cm²).

^cStandard deviation of column difference (× 10¹⁵ molecules/cm²).

^dCorrelation coefficient.

^eLeast squares linear fit slope.

^fReduced major axis linear fit slope.

^gNumber of coincidences.

^hPandora NO₂ total columns≥12 × 10¹⁵ molecules/cm².

ⁱPandora NO₂ total columns <12 × 10¹⁵ molecules/cm².