The monthly mean values of the geomagnetic field components at Kakioka are D: -78.2, H: 29980nT, Z: 35470nT and F: 46443nT for September 2009.
Monthly average of the K-index daily sum is 4.8. indicates an extremely lowl level of geomagnetic activity during the month.
Notable geomagnetic events include 0 magnetic storms, 2 si, 0 bay, 0 sfe, 2 pi and 0 pc.
The international 5 quietest days are the 19,23,24,25,29th.
The international 5 most disturbed days are the 4,17,21,27,28th.
Plot of the geomagnetic hourly value for September 2009
Plot of the K-index daily total sum for 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 | pi | plot | ||
2 | 04 | calm | plot | |||
3 | 08 | calm | si | plot | ||
4 | 14 | moderately calm | plot | |||
5 | 01 | extremely calm | plot | |||
6 | 03 | extremely calm | plot | |||
7 | 01 | extremely calm | plot | |||
8 | 01 | extremely calm | plot | |||
9 | 00 | extremely calm | plot | |||
10 | 04 | calm | plot | |||
11 | 04 | calm | plot | |||
12 | 03 | extremely calm | plot | |||
13 | 09 | calm | plot | |||
14 | 08 | calm | pi | plot | ||
15 | 06 | calm | plot | |||
16 | 10 | calm | plot | |||
17 | 04 | calm | plot | |||
18 | 02 | extremely calm | plot | |||
19 | 00 | extremely calm | plot | |||
20 | 07 | calm | plot | |||
21 | 11 | moderately calm | plot | |||
22 | 02 | extremely calm | plot | |||
23 | 00 | extremely calm | plot | |||
24 | 01 | extremely calm | plot | |||
25 | 02 | extremely calm | plot | |||
26 | 04 | calm | plot | |||
27 | 11 | moderately calm | plot | |||
28 | 11 | moderately calm | si | plot | ||
29 | 01 | extremely calm | plot | |||
30 | 09 | calm | plot |
*) Plot diagram opens in a separate window.
Copyright (c) Kakioka Magnetic Observatory, Japan Meteorological Agency. All rights reserved.