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Geomagnetic activity in December 1953

Mean Ap6.9No. 1012 of 1138
G1+ days1
G3+ days0
Max Ap2511 Dec 1953

Daily Ap

Ap1: 212: 43: 54: 85: 56: 667: 68: 69: 810: 411: 251112: 2013: 1014: 515: 616: 51617: 618: 619: 520: 621: 52122: 823: 424: 525: 626: 52627: 828: 729: 830: 531: 431

Daily max Kp

DateMax KpApLevel
11 Dec 19535o25G1

Same month a year earlier

MonthMean ApG1+G3+
December 195215.192
December 19536.910
Dates and time slots are UTC. Kp is the 3-hourly planetary geomagnetic index (0–9); Ap is the daily average disturbance. G1–G5 follow the NOAA storm scale (Kp 5- and above counted as G1). Aurora visibility also depends on weather and location. The latest values are preliminary.

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Mean Ap 6.9 in December 1953, No. 1012 of 1138 months since 1932; 1 days reached G1 or higher.