The monthly mean values of the geomagnetic field components at Kakioka are D: -716.5, H: 29951nT, Z: 35598nT and F: 46523nT for September 2012.
Monthly average of the K-index daily sum is 11.1. indicates a low level of geomagnetic activity during the month.
Notable geomagnetic events include 2 magnetic storms, 3 si, 6 bay, 1 sfe, 0 pi and 0 pc.
The international 5 quietest days are the 11,23,24,25,28th.
The international 5 most disturbed days are the 2,3,4,5,19th.
Plot of the geomagnetic hourly value for September 2012
Plot of the K-index daily total sum for 2012
Details of the geomagnetic storms in September 2012
| Date | K-index daily sum |
Geomagnetic activity |
Geomagnetic phenomena |
International 5 quietest days |
International 5 quietest days |
geomagnetic 1-minute value plot |
|---|---|---|---|---|---|---|
| 1 | 09 | calm | plot | |||
| 2 | 16 | moderately calm | bay | plot | ||
| 3 | 26 | disturbed | si bay | plot | ||
| 4 | 23 | disturbed | si | plot | ||
| 5 | 26 | disturbed | plot | |||
| 6 | 16 | moderately calm | si | plot | ||
| 7 | 18 | moderately disturbed | plot | |||
| 8 | 13 | moderately calm | plot | |||
| 9 | 04 | calm | plot | |||
| 10 | 07 | calm | plot | |||
| 11 | 01 | extremely calm | plot | |||
| 12 | 15 | moderately calm | bay | plot | ||
| 13 | 09 | calm | plot | |||
| 14 | 09 | calm | plot | |||
| 15 | 10 | calm | plot | |||
| 16 | 11 | moderately calm | plot | |||
| 17 | 07 | calm | plot | |||
| 18 | 17 | moderately disturbed | plot | |||
| 19 | 17 | moderately disturbed | bay | plot | ||
| 20 | 17 | moderately disturbed | plot | |||
| 21 | 10 | calm | plot | |||
| 22 | 05 | calm | plot | |||
| 23 | 00 | extremely calm | plot | |||
| 24 | 03 | extremely calm | plot | |||
| 25 | 00 | extremely calm | plot | |||
| 26 | 11 | moderately calm | plot | |||
| 27 | 05 | calm | plot | |||
| 28 | 00 | extremely calm | plot | |||
| 29 | 08 | calm | plot | |||
| 30 | 19 | moderately disturbed | storm bay sfe | plot |
*) Plot diagram opens in a separate window.
Copyright (c) Kakioka Magnetic Observatory, Japan Meteorological Agency. All rights reserved.
