Table 1: Statistical properties of the local H I emission.
  $\langle N_{\rm H}\rangle$ $\sigma_N$ $\langle C\rangle $ $\sigma_C$ $\langle \sigma\rangle$
  (1019 cm-2) (1019 cm-2) (km s-1) (km s-1) (km s-1)
Total $8.1\pm0.1$ $0.98\pm0.02$ $-5.2\pm0.2$ $0.9\pm0.1$ $11.3\pm0.6$
Narrow $2.48\pm0.01$ $0.77\pm0.03$ $-7.27\pm0.01$ $0.75\pm0.02$ $4.96\pm0.01$
Wide $5.89\pm0.01$ $0.5\pm0.1$ $-2.96\pm0.01$ $1.66\pm0.06$ $13.44\pm0.01$
The Total row gives the statistical properties computed on the total emission (excluding the HVC). The uncertainties on the Total values represents their variance when computed by selecting data points with a 1 and 3 times the noise level threshold. The Narrow and Wide rows give the statistical properties of the two components resulting from the Gaussian decomposition (see Sect. 4.1). In these cases the uncertainties were computed using the uncertainties on the parameters of the fit (see text for details).

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