The monthly mean values of the geomagnetic field components at Kakioka are D: -732.6, H: 29981nT, Z: 35807nT and F: 46701nT for April 2017.
Monthly average of the K-index daily sum is 14.8. indicates a moderate level of geomagnetic activity during the month.
Notable geomagnetic events include 1 magnetic storms, 0 si, 19 bay, 3 sfe, 17 pi and 0 pc.
The international 5 quietest days are the 3,10,13,16,17th.
The international 5 most disturbed days are the 4,20,22,23,24th.
Plot of the geomagnetic hourly value for April 2017
Plot of the K-index daily total sum for 2017
Details of the geomagnetic storms in April 2017
| Date | K-index daily sum |
Geomagnetic activity |
Geomagnetic phenomena |
International 5 quietest days |
International 5 quietest days |
geomagnetic 1-minute value plot |
|---|---|---|---|---|---|---|
| 1 | 22 | moderately disturbed | bay sfe pi | plot | ||
| 2 | 10 | calm | sfe pi | plot | ||
| 3 | 10 | calm | sfe | plot | ||
| 4 | 22 | moderately disturbed | bay pi | plot | ||
| 5 | 19 | moderately disturbed | bay pi | plot | ||
| 6 | 12 | moderately calm | bay pi | plot | ||
| 7 | 14 | moderately calm | plot | |||
| 8 | 19 | moderately disturbed | bay | plot | ||
| 9 | 21 | moderately disturbed | bay | plot | ||
| 10 | 09 | calm | plot | |||
| 11 | 16 | moderately calm | pi | plot | ||
| 12 | 07 | calm | plot | |||
| 13 | 06 | calm | pi | plot | ||
| 14 | 17 | moderately disturbed | plot | |||
| 15 | 06 | calm | plot | |||
| 16 | 06 | calm | plot | |||
| 17 | 05 | calm | plot | |||
| 18 | 11 | moderately calm | pi | plot | ||
| 19 | 19 | moderately disturbed | bay | plot | ||
| 20 | 26 | disturbed | bay | plot | ||
| 21 | 18 | moderately disturbed | storm | plot | ||
| 22 | 32 | disturbed | bay pi | plot | ||
| 23 | 29 | disturbed | bay pi | plot | ||
| 24 | 24 | disturbed | pi | plot | ||
| 25 | 17 | moderately disturbed | bay | plot | ||
| 26 | 14 | moderately calm | plot | |||
| 27 | 06 | calm | plot | |||
| 28 | 06 | calm | pi | plot | ||
| 29 | 12 | moderately calm | plot | |||
| 30 | 08 | calm | plot |
*) Plot diagram opens in a separate window.
Copyright (c) Kakioka Magnetic Observatory, Japan Meteorological Agency. All rights reserved.
