The monthly mean values of the geomagnetic field components at Kakioka are D: -726.8, H: 29956nT, Z: 35744nT and F: 46637nT for September 2015.
Monthly average of the K-index daily sum is 15.8. indicates a slightly high level of geomagnetic activity during the month.
Notable geomagnetic events include 3 magnetic storms, 0 si, 13 bay, 4 sfe, 9 pi and 0 pc.
The international 5 quietest days are the 1,26,27,28,30th.
The international 5 most disturbed days are the 7,8,9,11,20th.
Plot of the geomagnetic hourly value for September 2015
Plot of the K-index daily total sum for 2015
Details of the geomagnetic storms in September 2015
| Date | K-index daily sum |
Geomagnetic activity |
Geomagnetic phenomena |
International 5 quietest days |
International 5 quietest days |
geomagnetic 1-minute value plot |
|---|---|---|---|---|---|---|
| 1 | 07 | calm | pi | plot | ||
| 2 | 12 | moderately calm | plot | |||
| 3 | 10 | calm | plot | |||
| 4 | 23 | disturbed | plot | |||
| 5 | 16 | moderately calm | bay | plot | ||
| 6 | 19 | moderately disturbed | bay | plot | ||
| 7 | 28 | disturbed | plot | |||
| 8 | 22 | moderately disturbed | storm | plot | ||
| 9 | 35 | disturbed | pi | plot | ||
| 10 | 19 | moderately disturbed | plot | |||
| 11 | 29 | disturbed | storm bay pi | plot | ||
| 12 | 18 | moderately disturbed | bay | plot | ||
| 13 | 18 | moderately disturbed | bay pi | plot | ||
| 14 | 17 | moderately disturbed | bay | plot | ||
| 15 | 20 | moderately disturbed | bay | plot | ||
| 16 | 15 | moderately calm | bay | plot | ||
| 17 | 12 | moderately calm | plot | |||
| 18 | 19 | moderately disturbed | bay | plot | ||
| 19 | 14 | moderately calm | bay | plot | ||
| 20 | 31 | disturbed | storm | plot | ||
| 21 | 15 | moderately calm | sfe | plot | ||
| 22 | 16 | moderately calm | bay | plot | ||
| 23 | 18 | moderately disturbed | bay | plot | ||
| 24 | 09 | calm | plot | |||
| 25 | 13 | moderately calm | pi | plot | ||
| 26 | 07 | calm | plot | |||
| 27 | 03 | extremely calm | plot | |||
| 28 | 05 | calm | sfe | plot | ||
| 29 | 03 | extremely calm | sfe | plot | ||
| 30 | 00 | extremely calm | plot |
*) Plot diagram opens in a separate window.
Copyright (c) Kakioka Magnetic Observatory, Japan Meteorological Agency. All rights reserved.
