The monthly mean values of the geomagnetic field components at Kakioka are D: -733.9, H: 29991nT, Z: 35817nT and F: 46715nT for August 2017.
Monthly average of the K-index daily sum is 14.4. indicates a moderate level of geomagnetic activity during the month.
Notable geomagnetic events include 1 magnetic storms, 1 si, 22 bay, 0 sfe, 11 pi and 2 pc.
The international 5 quietest days are the 2,9,15,26,28th.
The international 5 most disturbed days are the 17,19,20,23,31th.
Plot of the geomagnetic hourly value for August 2017
Plot of the K-index daily total sum for 2017
Details of the geomagnetic storms in August 2017
| Date | K-index daily sum |
Geomagnetic activity |
Geomagnetic phenomena |
International 5 quietest days |
International 5 quietest days |
geomagnetic 1-minute value plot |
|---|---|---|---|---|---|---|
| 1 | 10 | calm | pi | plot | ||
| 2 | 10 | calm | plot | |||
| 3 | 12 | moderately calm | bay pi | plot | ||
| 4 | 27 | disturbed | si bay | plot | ||
| 5 | 21 | moderately disturbed | bay pi | plot | ||
| 6 | 17 | moderately disturbed | bay | plot | ||
| 7 | 09 | calm | plot | |||
| 8 | 07 | calm | pc | plot | ||
| 9 | 06 | calm | plot | |||
| 10 | 06 | calm | plot | |||
| 11 | 11 | moderately calm | pi | plot | ||
| 12 | 16 | moderately calm | plot | |||
| 13 | 12 | moderately calm | plot | |||
| 14 | 08 | calm | plot | |||
| 15 | 07 | calm | pc | plot | ||
| 16 | 10 | calm | plot | |||
| 17 | 28 | disturbed | bay | plot | ||
| 18 | 24 | disturbed | bay | plot | ||
| 19 | 28 | disturbed | bay | plot | ||
| 20 | 20 | moderately disturbed | bay pi | plot | ||
| 21 | 17 | moderately disturbed | plot | |||
| 22 | 23 | disturbed | bay | plot | ||
| 23 | 24 | disturbed | bay pi | plot | ||
| 24 | 15 | moderately calm | plot | |||
| 25 | 09 | calm | plot | |||
| 26 | 04 | calm | pi | plot | ||
| 27 | 17 | moderately disturbed | bay | plot | ||
| 28 | 03 | extremely calm | plot | |||
| 29 | 15 | moderately calm | plot | |||
| 30 | 03 | extremely calm | plot | |||
| 31 | 27 | disturbed | storm pi | plot |
*) Plot diagram opens in a separate window.
Copyright (c) Kakioka Magnetic Observatory, Japan Meteorological Agency. All rights reserved.
