Table 1 Mean difference values of vTEC between 22 LT and 00 LT in TECu and with respect to the mean value vTEC at 22 LT (in %), standard deviation of the mean difference values, and mean value of the vertical component of the field-aligned neutral wind at 22 LT

Region

\(\left( {\overline{{{\text{vTEC}}_{{{\text{GNSS}}\_22}} - {\text{vTEC}}_{{{\text{GNSS}}\_00}} }} } \right) \pm {\text{std}}_{{\overline{{({\text{vTEC}}_{{{\text{GNSS}}\_22}} - {\text{vTEC}}_{{{\text{GNSS}}\_00}} )}} }}\) (TECu)

With respect to \(\overline{{{\text{vTEC}}_{{{\text{GNSS}}\_22}} }}\) (%)

\(\overline{{V_{{{\text{HWM07}}\_22}} }}\) (m/s)