The monthly mean values of the geomagnetic field components at Kakioka are D: -74.6, H: 29984nT, Z: 35404nT and F: 46395nT for April 2007.
Monthly average of the K-index daily sum is 12.2. indicates a slightly low level of geomagnetic activity during the month.
Notable geomagnetic events include 0 magnetic storms, 3 si, 6 bay, 0 sfe, 12 pi and 0 pc.
The international 5 quietest days are the 8,13,16,20,21th.
The international 5 most disturbed days are the 1,2,27,28,29th.
Plot of the geomagnetic hourly value for April 2007
Plot of the K-index daily total sum for 2007
Date | K-index daily sum |
Geomagnetic activity |
Geomagnetic phenomena |
International 5 quietest days |
International 5 quietest days |
geomagnetic 1-minute value plot |
---|---|---|---|---|---|---|
1 | 29 | disturbed | plot | |||
2 | 27 | disturbed | bay | plot | ||
3 | 17 | moderately disturbed | bay pi | plot | ||
4 | 14 | moderately calm | plot | |||
5 | 07 | calm | plot | |||
6 | 03 | extremely calm | plot | |||
7 | 02 | extremely calm | plot | |||
8 | 07 | calm | pi | plot | ||
9 | 21 | moderately disturbed | si | plot | ||
10 | 10 | calm | plot | |||
11 | 07 | calm | plot | |||
12 | 17 | moderately disturbed | bay pi | plot | ||
13 | 01 | extremely calm | plot | |||
14 | 06 | calm | plot | |||
15 | 07 | calm | plot | |||
16 | 02 | extremely calm | plot | |||
17 | 20 | moderately disturbed | plot | |||
18 | 10 | calm | plot | |||
19 | 08 | calm | plot | |||
20 | 02 | extremely calm | plot | |||
21 | 02 | extremely calm | plot | |||
22 | 19 | moderately disturbed | si pi | plot | ||
23 | 15 | moderately calm | bay | plot | ||
24 | 11 | moderately calm | pi | plot | ||
25 | 11 | moderately calm | pi | plot | ||
26 | 09 | calm | plot | |||
27 | 18 | moderately disturbed | pi | plot | ||
28 | 25 | disturbed | bay pi | plot | ||
29 | 20 | moderately disturbed | bay pi | plot | ||
30 | 18 | moderately disturbed | plot |
*) Plot diagram opens in a separate window.
Copyright (c) Kakioka Magnetic Observatory, Japan Meteorological Agency. All rights reserved.