The monthly mean values of the geomagnetic field components at Kakioka are D: -73.1, H: 29987nT, Z: 35374nT and F: 46374nT for February 2004.
Monthly average of the K-index daily sum is 16.2. indicates a slightly high level of geomagnetic activity during the month.
Notable geomagnetic events include 1 magnetic storms, 0 si, 2 bay, 1 sfe, 4 pi and 0 pc.
The international 5 quietest days are the 8,10,17,20,26th.
The international 5 most disturbed days are the 11,12,13,15,29th.
Plot of the geomagnetic hourly value for February 2004
Plot of the K-index daily total sum for 2004
Details of the geomagnetic storms in February 2004
Date | K-index daily sum |
Geomagnetic activity |
Geomagnetic phenomena |
International 5 quietest days |
International 5 quietest days |
geomagnetic 1-minute value plot |
---|---|---|---|---|---|---|
1 | 16 | moderately calm | pi | plot | ||
2 | 23 | disturbed | plot | |||
3 | 24 | disturbed | plot | |||
4 | 20 | moderately disturbed | plot | |||
5 | 17 | moderately disturbed | plot | |||
6 | 23 | disturbed | pi | plot | ||
7 | 12 | moderately calm | pi | plot | ||
8 | 09 | calm | plot | |||
9 | 13 | moderately calm | plot | |||
10 | 10 | calm | plot | |||
11 | 25 | disturbed | storm bay | plot | ||
12 | 28 | disturbed | plot | |||
13 | 23 | disturbed | plot | |||
14 | 21 | moderately disturbed | plot | |||
15 | 22 | moderately disturbed | plot | |||
16 | 08 | calm | plot | |||
17 | 03 | extremely calm | plot | |||
18 | 11 | moderately calm | plot | |||
19 | 11 | moderately calm | plot | |||
20 | 08 | calm | plot | |||
21 | 13 | moderately calm | plot | |||
22 | 17 | moderately disturbed | plot | |||
23 | 14 | moderately calm | pi | plot | ||
24 | 18 | moderately disturbed | plot | |||
25 | 09 | calm | plot | |||
26 | 08 | calm | sfe | plot | ||
27 | 18 | moderately disturbed | plot | |||
28 | 22 | moderately disturbed | plot | |||
29 | 24 | disturbed | bay | plot |
*) Plot diagram opens in a separate window.
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