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Geomagnetic storms in Helena in December 2020

01.12.2020 Helena
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Geomagnetic storms in Helena in December 2020

Changes in the maximum daily geomagnetic index Kp in December 2020 for mid latitudes

Location — Helena (geographic coordinates — 46.6 N -112.03 W | time zone UTC-07 )

geomagnetic storms in November 2020 (Helena) geomagnetic storms in January 2021 (Helena)
Changes in the maximum daily geomagnetic index Kp in December 2020
This chart in PNG format — high resolution API data: JSON or TXT

Maximum of solar activity in December 2020

Solar radio flux (10.7 cm) = 105

Mean planetary A index = 13

Mean planetary Kp index = 4