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Geomagnetic activity in July 1934

Mean Ap5.9No. 1063 of 1138
G1+ days2
G3+ days0
Max Ap3130 Jul 1934

Daily Ap

Ap1: 612: 33: 184: 95: 86: 567: 48: 49: 510: 311: 41112: 413: 414: 715: 616: 81617: 418: 419: 320: 321: 32122: 223: 224: 425: 426: 32627: 328: 229: 830: 3131: 1031

Daily max Kp

DateMax KpApLevel
3 Jul 19345+18G1
30 Jul 19346-31G2

Same month a year earlier

MonthMean ApG1+G3+
July 19337.540
July 19345.920
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 5.9 in July 1934, No. 1063 of 1138 months since 1932; 2 days reached G1 or higher.