Open Access
Research Article

Table 4

Maximum and minimum percentage deviations of modelled 3-hourly index sensitivities, S, from unity for selected years and middle and low geomagnetic activity levels.

Index S Year Largest percent deviations of sensitivity from mean
10 ≤ am < 20 nT
60 ≤ am < 110 nT
Min Max Min Max
am Sam 2014 −2.59% +2.84% −0.49% +0.49%
aa Saa 2010 −16.7% +12.7% −16.1% +11.8%
aa Saa 1970 −18.5% +12.8% −17.7% +11.9%
aa Saa 1930 −18.4% +12.9% −18.6% +12.1%
aa Saa 1890 −18.5% +12.9% −18.9% +12.1%

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.