The monthly mean values of the geomagnetic field components at Kakioka are D: -77.9, H: 29978nT, Z: 35463nT and F: 46437nT for July 2009.
Monthly average of the K-index daily sum is 7.3. indicates an extremely lowl level of geomagnetic activity during the month.
Notable geomagnetic events include 1 magnetic storms, 3 si, 0 bay, 0 sfe, 5 pi and 0 pc.
The international 5 quietest days are the 2,17,18,19,26th.
The international 5 most disturbed days are the 10,13,14,22,23th.
Plot of the geomagnetic hourly value for July 2009
Plot of the K-index daily total sum for 2009
Details of the geomagnetic storms in July 2009
| Date | K-index daily sum |
Geomagnetic activity |
Geomagnetic phenomena |
International 5 quietest days |
International 5 quietest days |
geomagnetic 1-minute value plot |
|---|---|---|---|---|---|---|
| 1 | 04 | calm | plot | |||
| 2 | 05 | calm | plot | |||
| 3 | 03 | extremely calm | plot | |||
| 4 | 07 | calm | si | plot | ||
| 5 | 10 | calm | plot | |||
| 6 | 04 | calm | plot | |||
| 7 | 10 | calm | plot | |||
| 8 | 09 | calm | plot | |||
| 9 | 09 | calm | si pi | plot | ||
| 10 | 13 | moderately calm | plot | |||
| 11 | 05 | calm | plot | |||
| 12 | 06 | calm | pi | plot | ||
| 13 | 16 | moderately calm | si pi | plot | ||
| 14 | 12 | moderately calm | plot | |||
| 15 | 06 | calm | plot | |||
| 16 | 03 | extremely calm | plot | |||
| 17 | 01 | extremely calm | plot | |||
| 18 | 01 | extremely calm | plot | |||
| 19 | 01 | extremely calm | plot | |||
| 20 | 09 | calm | plot | |||
| 21 | 06 | calm | storm | plot | ||
| 22 | 22 | moderately disturbed | plot | |||
| 23 | 14 | moderately calm | plot | |||
| 24 | 08 | calm | plot | |||
| 25 | 09 | calm | plot | |||
| 26 | 03 | extremely calm | plot | |||
| 27 | 05 | calm | plot | |||
| 28 | 06 | calm | plot | |||
| 29 | 04 | calm | plot | |||
| 30 | 06 | calm | pi | plot | ||
| 31 | 08 | calm | pi | plot |
*) Plot diagram opens in a separate window.
Copyright (c) Kakioka Magnetic Observatory, Japan Meteorological Agency. All rights reserved.
