# 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 1983    6   7   5K  2A 22A   13A 14A  8A 23A 28A   10  18  17  16  15 
 Feb 1983   26   2K 25  27A  3A   28A 19A  1A 18A 24A    5   6   7  20   4 
 Mar 1983   27   8  10A  9A  7A   22A 23A 17A 24A  6A    2  12  25   3  29 
 Apr 1983   11A 19A 18A 12A 28A   21A 20A 27A 22A  3A   24  15  14  29   6 
 May 1983   28  19  29K  9K 10A    7A 26A 20A 30A 16A   24  17  12  22  11 
 Jun 1983    4  25K 24   7   3     5  30A  2A 27A 16A   13  18  10  21  19 
 Jul 1983   11  10  15   5   1    14  21  31A 20A 26A   24  17  23  16  18 
 Aug 1983   18   5  16  10  27     1   4   6  11  17     8  25   2  23  31 
 Sep 1983   30   4   5  23   6     3   2  14  13A 29A   19  25  26  16  17 
 Oct 1983   27  26  12   9  11    20  25  10A 19A  5A   18  17   4  13  29 
 Nov 1983   23   6   5  22   4A   27A 21A  7A 24A 28A   12   9  11  17   2 
 Dec 1983    9  21   3   4  20K   16K 17  18A  2A 29A   30  11   6  31   7