# 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 1997   16   6  17   4   3     5  23  24  15  14    10  28  26* 11* 27*
 Feb 1997   19  20   4  13   7    15   1  14  25K  5K   28  27  10  11   9 
 Mar 1997    9  10  20  19  23     4  11  21  31  14    29  28  26*  1* 12*
 Apr 1997   28  15  26  27  29    20   8  14   9  25    11  17  21  22* 18*
 May 1997   12  13  23  29  19    22   9   7  21   8    15   1  27   2* 16*
 Jun 1997   21  14  13  18   5    11  24  17  20  30     9  27*  8*  7*  3*
 Jul 1997   14  12  13  29   1     8  26   5  11   6    31*  7* 15* 24*  9*
 Aug 1997   26   6   5  19  23    27  31  25   2   8     3  28* 14* 29* 13*
 Sep 1997   25  19   7  26   2     1  24  23   5  20     3  10* 18   9*  4*
 Oct 1997    5  19  15  21  16     6  14  18   4  22     1  10  25  24  27*
 Nov 1997   29  27  28  21   2    20  25  12  26  19    23  22   7   6* 14*
 Dec 1997   27   8  28  13   9    25  26  22  14  29    30  10* 11* 18*  5*