# DOI: https://doi.org/10.5880/Kp.0001
# LICENCE: CC BY 4.0, please cite:
# Matzka, J., Bronkalla, O., Tornow, K., Elger, K. and Stolle, C., 2021.
# Geomagnetic Kp index. V. 1.0. GFZ Data Services,
# https://doi.org/10.5880/Kp.0001
# Matzka, J., Stolle, C., Yamazaki, Y., Bronkalla, O. and Morschhauser, A.,
# 2021. The geomagnetic Kp index and derived indices of geomagnetic activity.
# Space Weather, https://doi.org/10.1029/2020SW002641
# The Kp index was introduced by Bartels (1949) and is produced by Geomagnetic
# Observatory Niemegk, GFZ German Research Centre for Geosciences.
  International           Quietest Days                 Most Disturbed Days
  Month
            Q1  Q2  Q3  Q4  Q5    Q6  Q7  Q8  Q9  Q10   D1  D2  D3  D4  D5

 Jan 1956   26  15  20   8  16K   17A 13A 14A 21A  7A   18  11  28  24  19 
 Feb 1956    8   9  10   7  14    18  15  17  20K  5    25  29  12  28  11 
 Mar 1956    9   8  17   7  18    16  15A  5A 12A 13A    3  22  29  21  24 
 Apr 1956   24  15A 14A 13A 25A   20A  9A 23A  8A 12A   27  22  28  21  30 
 May 1956   10   9   8   2  11K   31  27A 19A  7A 18A   16  24  25  17  15 
 Jun 1956   18A  7A 20A 19A  3A   22A  4A 17A 12A 21A   25  24  15  30   1 
 Jul 1956    7  21  18  22  17     6   4A 15A 16A  5A   26  25  24  28  13 
 Aug 1956   19  20   7  18   5     4  15   6  14  16    24  25  26  11  23 
 Sep 1956   18  19  14  29  17    15K 27  24  30A  5A    2   8   3  22  21 
 Oct 1956   15  14  13  25  17    18  16  12  19  10    20  26  21  27   2 
 Nov 1956   19   5   8  26K  7A    2A  4A 24A 27A  6A   15  11  14  10  16 
 Dec 1956   16  17  15  11  21    23  19  31  20   9    10  28  25  13* 30*