The monthly mean values of the geomagnetic field components at Kakioka are D: -740.3, H: 30034nT, Z: 35862nT and F: 46777nT for May 2019.
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 2 magnetic storms, 1 si, 2 bay, 1 sfe, 10 pi and 0 pc.
The international 5 quietest days are the 5,8,19,21,25th.
The international 5 most disturbed days are the 1,2,11,14,29th.
Plot of the geomagnetic hourly value for May 2019
Plot of the K-index daily total sum for 2019
Details of the geomagnetic storms in May 2019
| 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 | bay pi | plot | ||
| 2 | 16 | moderately calm | plot | |||
| 3 | 15 | moderately calm | plot | |||
| 4 | 19 | moderately disturbed | pi | plot | ||
| 5 | 02 | extremely calm | pi | plot | ||
| 6 | 11 | moderately calm | sfe pi | plot | ||
| 7 | 11 | moderately calm | plot | |||
| 8 | 02 | extremely calm | plot | |||
| 9 | 12 | moderately calm | plot | |||
| 10 | 11 | moderately calm | storm pi | plot | ||
| 11 | 25 | disturbed | plot | |||
| 12 | 04 | calm | plot | |||
| 13 | 14 | moderately calm | plot | |||
| 14 | 29 | disturbed | storm | plot | ||
| 15 | 16 | moderately calm | plot | |||
| 16 | 14 | moderately calm | pi | plot | ||
| 17 | 12 | moderately calm | plot | |||
| 18 | 10 | calm | bay | plot | ||
| 19 | 04 | calm | plot | |||
| 20 | 09 | calm | plot | |||
| 21 | 07 | calm | pi | plot | ||
| 22 | 09 | calm | pi | plot | ||
| 23 | 08 | calm | plot | |||
| 24 | 08 | calm | plot | |||
| 25 | 06 | calm | plot | |||
| 26 | 08 | calm | si | plot | ||
| 27 | 20 | moderately disturbed | plot | |||
| 28 | 14 | moderately calm | pi | plot | ||
| 29 | 21 | moderately disturbed | plot | |||
| 30 | 16 | moderately calm | plot | |||
| 31 | 08 | calm | plot |
*) Plot diagram opens in a separate window.
Copyright (c) Kakioka Magnetic Observatory, Japan Meteorological Agency. All rights reserved.
