#Station Name Lanzhou #IAGA Code LZH #Geodetic Latitude 36.087 #Geodetic Longitude 103.845 #Elevation 1560 #Data Type K indices by the FMI-method #K9 Limit 300 #DATE 00-03 03-06 06-09 09-12 12-15 15-18 18-21 21-24 SK 2011-01-01 1 2 0 1 2 1 1 2 10 2011-01-02 2 2 2 2 2 2 2 2 16 2011-01-03 2 1 1 2 2 3 3 2 16 2011-01-04 2 2 2 2 2 3 3 1 17 2011-01-05 2 1 1 1 1 1 2 1 10 2011-01-06 2 1 1 1 0 2 4 4 15 2011-01-07 4 2 2 2 2 3 3 3 21 2011-01-08 2 2 3 3 4 3 3 2 22 2011-01-09 1 2 1 1 2 2 3 3 15 2011-01-10 2 2 2 2 2 1 2 1 14 2011-01-11 2 2 1 1 2 3 3 3 17 2011-01-12 1 2 2 2 2 2 2 1 14 2011-01-13 2 2 2 1 3 3 3 3 19 2011-01-14 3 3 3 2 3 3 3 2 22 2011-01-15 2 2 2 2 3 3 1 1 16 2011-01-16 3 2 1 1 3 3 2 1 16 2011-01-17 2 2 2 2 2 2 1 2 15 2011-01-18 2 2 2 1 1 2 2 2 14 2011-01-19 2 2 2 3 3 3 3 1 19 2011-01-20 2 2 1 2 2 2 3 1 15 2011-01-21 1 2 1 1 -1 -1 -1 -1 -1 2011-01-22 -1 -1 -1 -1 -1 -1 -1 -1 -1 2011-01-23 -1 -1 -1 -1 -1 -1 -1 -1 -1 2011-01-24 -1 -1 -1 -1 -1 -1 -1 -1 -1 2011-01-25 -1 2 2 2 1 1 2 2 -1 2011-01-26 2 2 2 1 1 2 3 1 14 2011-01-27 1 1 2 2 2 0 1 1 10 2011-01-28 2 2 1 1 2 3 2 2 15 2011-01-29 2 1 2 2 2 2 1 1 13 2011-01-30 1 2 1 1 0 1 0 2 8 2011-01-31 2 3 2 2 2 4 4 4 23 2011-02-01 3 3 4 3 2 4 3 2 24 2011-02-02 2 2 2 2 1 3 3 0 15 2011-02-03 1 1 1 0 0 1 1 1 6 2011-02-04 2 3 3 3 2 3 5 6 27 2011-02-05 4 3 2 2 2 3 3 3 22 2011-02-06 2 2 2 3 4 4 2 2 21 2011-02-07 2 1 1 0 1 2 1 1 9 2011-02-08 2 2 1 2 1 0 2 1 11 2011-02-09 1 1 1 1 1 2 1 1 9 2011-02-10 2 2 2 3 3 2 1 2 17 2011-02-11 2 1 1 1 2 2 3 2 14 2011-02-12 1 2 2 2 1 2 2 0 12 2011-02-13 1 1 1 1 0 1 1 1 7 2011-02-14 1 1 1 1 2 4 5 5 20 2011-02-15 2 2 2 2 3 2 2 2 17 2011-02-16 2 1 1 1 1 1 0 1 8 2011-02-17 3 2 1 1 1 1 1 2 12 2011-02-18 5 6 5 5 3 4 3 2 33 2011-02-19 2 3 2 3 2 2 1 1 16 2011-02-20 2 1 3 4 3 2 3 3 21 2011-02-21 2 2 1 3 3 3 3 3 20 2011-02-22 2 2 2 1 1 1 1 0 10 2011-02-23 1 2 2 1 1 1 1 1 10 2011-02-24 2 3 1 1 0 0 0 1 8 2011-02-25 1 2 1 2 2 1 2 2 13 2011-02-26 2 1 1 1 2 2 2 1 12 2011-02-27 1 1 1 1 1 2 1 0 8 2011-02-28 2 2 1 1 0 1 2 3 12 2011-03-01 2 3 4 5 6 7 5 4 36 2011-03-02 3 3 2 2 3 5 3 2 23 2011-03-03 2 2 3 3 3 4 4 3 24 2011-03-04 3 2 2 4 4 3 3 3 24 2011-03-05 2 2 1 1 2 2 2 1 13 2011-03-06 2 2 2 2 2 3 2 3 18 2011-03-07 3 2 2 2 2 3 2 3 19 2011-03-08 2 2 2 1 2 2 1 1 13 2011-03-09 3 2 2 2 2 2 2 2 17 2011-03-10 2 2 5 4 3 3 4 4 27 2011-03-11 3 3 3 3 3 4 4 5 28 2011-03-12 5 4 3 2 2 2 3 3 24 2011-03-13 3 3 3 3 3 4 4 2 25 2011-03-14 3 3 2 2 1 0 0 1 12 2011-03-15 4 2 1 1 0 0 0 1 9 2011-03-16 3 2 2 1 1 1 0 2 12 2011-03-17 3 3 2 1 2 2 2 1 16 2011-03-18 3 1 2 1 0 0 0 1 8 2011-03-19 3 2 1 2 2 2 1 1 14 2011-03-20 2 2 1 2 2 2 2 3 16 2011-03-21 3 2 2 1 0 2 2 2 14 2011-03-22 3 3 2 2 3 2 1 2 18 2011-03-23 3 2 3 3 3 4 3 3 24 2011-03-24 3 2 2 2 2 1 1 1 14 2011-03-25 3 2 2 2 2 2 2 2 17 2011-03-26 4 4 1 1 0 0 0 1 11 2011-03-27 3 3 1 0 0 1 1 2 11 2011-03-28 4 3 1 0 2 1 1 1 13 2011-03-29 4 3 1 1 1 3 1 3 17 2011-03-30 4 3 1 2 2 1 1 1 15 2011-03-31 4 4 2 2 1 1 1 2 17 2011-04-01 3 2 2 3 3 4 4 3 24 2011-04-02 4 3 4 4 3 2 3 4 27 2011-04-03 4 3 3 3 3 3 4 -1 -1 2011-04-04 -1 3 2 1 1 2 1 1 -1 2011-04-05 3 2 3 2 1 1 3 2 17 2011-04-06 3 3 3 6 5 5 5 3 33 2011-04-07 3 3 1 2 1 2 2 2 16 2011-04-08 2 2 2 3 3 3 3 3 21 2011-04-09 3 2 2 2 2 1 0 2 14 2011-04-10 3 2 0 1 3 3 2 2 16 2011-04-11 3 2 2 2 3 4 3 3 22 2011-04-12 3 5 5 5 5 4 2 3 32 2011-04-13 3 3 3 3 2 1 1 2 18 2011-04-14 4 3 2 1 1 0 1 2 14 2011-04-15 3 3 2 3 2 2 2 2 19 2011-04-16 4 4 3 2 2 1 1 2 19 2011-04-17 4 4 3 2 2 2 1 1 19 2011-04-18 3 3 5 4 3 2 1 3 24 2011-04-19 3 3 2 1 1 1 2 3 16 2011-04-20 4 5 4 2 3 2 2 1 23 2011-04-21 -1 4 2 1 1 2 2 2 -1 2011-04-22 4 3 2 2 2 2 1 2 18 2011-04-23 3 2 1 2 1 2 2 2 15 2011-04-24 2 3 2 2 2 3 2 3 19 2011-04-25 3 3 1 1 1 1 1 2 13 2011-04-26 3 1 1 1 1 1 1 1 10 2011-04-27 2 2 1 1 0 1 1 2 10 2011-04-28 2 1 1 1 1 2 2 3 13 2011-04-29 2 2 1 1 2 3 4 6 21 2011-04-30 5 5 4 6 5 3 4 4 36 2011-05-01 3 4 3 2 4 4 3 4 27 2011-05-02 3 3 3 3 3 3 3 3 24 2011-05-03 3 4 3 3 2 3 3 3 24 2011-05-04 3 2 2 1 1 3 1 2 15 2011-05-05 3 3 2 1 2 1 2 3 17 2011-05-06 2 2 2 2 1 1 0 2 12 2011-05-07 3 1 1 2 3 3 2 3 18 2011-05-08 3 1 1 1 1 0 1 3 11 2011-05-09 2 2 1 1 2 1 1 2 12 2011-05-10 3 2 3 3 4 4 3 4 26 2011-05-11 1 2 2 1 1 1 2 3 13 2011-05-12 3 1 1 1 0 1 2 2 11 2011-05-13 2 2 2 2 2 2 2 3 17 2011-05-14 2 2 1 1 1 2 1 3 13 2011-05-15 4 3 2 3 2 3 2 3 22 2011-05-16 3 2 4 4 4 2 3 3 25 2011-05-17 2 2 3 3 2 2 2 3 19 2011-05-18 2 3 2 2 2 2 1 3 17 2011-05-19 2 2 2 2 2 1 1 3 15 2011-05-20 2 1 0 1 1 1 1 3 10 2011-05-21 2 1 2 2 2 1 3 3 16 2011-05-22 3 3 3 2 1 1 1 3 17 2011-05-23 2 2 1 1 2 1 2 3 14 2011-05-24 3 2 1 2 2 2 1 3 16 2011-05-25 2 1 1 1 1 1 1 3 11 2011-05-26 2 2 2 1 3 3 2 2 17 2011-05-27 2 3 3 3 3 3 4 4 25 2011-05-28 3 5 6 6 6 3 3 4 36 2011-05-29 3 6 5 5 4 4 4 3 34 2011-05-30 2 2 2 3 3 1 2 3 18 2011-05-31 3 2 3 3 2 2 3 5 23 2011-06-01 3 3 3 1 3 4 3 4 24 2011-06-02 3 2 3 3 2 1 2 3 19 2011-06-03 3 2 2 1 1 1 2 4 16 2011-06-04 2 1 1 1 1 1 5 5 17 2011-06-05 6 5 6 6 4 3 3 4 37 2011-06-06 2 2 2 2 1 1 2 3 15 2011-06-07 2 1 2 2 2 2 4 5 20 2011-06-08 5 3 2 2 3 2 1 3 21 2011-06-09 3 3 2 2 2 1 2 2 17 2011-06-10 3 2 3 3 3 3 2 2 21 2011-06-11 2 3 4 4 3 1 2 4 23 2011-06-12 2 2 3 4 4 2 2 3 22 2011-06-13 1 2 2 2 3 2 2 2 16 2011-06-14 2 2 3 4 1 1 2 2 17 2011-06-15 2 2 2 2 2 2 2 3 17 2011-06-16 2 2 2 2 1 2 1 2 14 2011-06-17 3 3 2 2 2 3 2 2 19 2011-06-18 3 2 2 2 1 1 1 2 14 2011-06-19 2 2 1 1 2 1 2 3 14 2011-06-20 3 3 2 2 2 2 3 3 20 2011-06-21 3 3 3 2 3 4 3 2 23 2011-06-22 3 2 3 3 3 3 4 2 23 2011-06-23 3 3 4 4 4 2 3 4 27 2011-06-24 3 3 3 3 2 3 3 4 24 2011-06-25 2 2 2 2 2 3 2 3 18 2011-06-26 3 3 2 2 2 2 2 3 19 2011-06-27 2 2 1 1 1 0 1 3 11 2011-06-28 3 3 2 1 2 1 2 3 17 2011-06-29 2 2 2 1 0 1 1 3 12 2011-06-30 2 2 2 2 2 2 3 4 19 2011-07-01 3 3 3 3 3 3 2 3 23 2011-07-02 1 2 2 2 1 2 2 2 14 2011-07-03 3 3 1 2 2 1 2 4 18 2011-07-04 2 2 2 2 2 2 3 3 18 2011-07-05 3 3 2 2 2 1 3 3 19 2011-07-06 2 3 3 1 1 2 2 4 18 2011-07-07 3 2 2 2 2 1 2 3 17 2011-07-08 2 2 2 2 2 2 2 3 17 2011-07-09 3 3 3 3 2 3 2 2 21 2011-07-10 4 4 3 2 2 2 2 4 23 2011-07-11 2 3 5 5 3 3 3 3 27 2011-07-12 3 3 2 2 3 2 2 3 20 2011-07-13 3 2 1 2 2 1 2 3 16 2011-07-14 3 2 3 3 2 2 2 3 20 2011-07-15 2 4 2 2 2 2 2 2 18 2011-07-16 3 2 2 3 1 2 2 3 18 2011-07-17 2 2 1 1 1 1 2 3 13 2011-07-18 3 3 3 3 2 2 1 3 20 2011-07-19 3 2 3 4 3 3 3 4 25 2011-07-20 4 4 4 4 3 3 3 3 28 2011-07-21 3 2 3 2 3 3 3 3 22 2011-07-22 3 3 3 2 3 2 2 3 21 2011-07-23 3 2 2 1 2 1 3 3 17 2011-07-24 2 2 1 1 1 2 2 2 13 2011-07-25 3 2 3 4 4 2 2 3 23 2011-07-26 2 3 3 2 2 1 2 3 18 2011-07-27 2 2 1 1 0 2 1 3 12 2011-07-28 2 2 2 1 1 1 2 3 14 2011-07-29 2 2 2 2 3 2 2 3 18 2011-07-30 3 2 2 3 3 3 4 4 24 2011-07-31 3 2 4 3 2 2 2 3 21 2011-08-01 3 4 2 3 2 1 1 3 19 2011-08-02 2 1 1 1 1 1 1 2 10 2011-08-03 2 2 2 1 1 2 2 4 16 2011-08-04 2 1 2 1 2 1 2 4 15 2011-08-05 2 1 2 2 2 4 6 6 25 2011-08-06 5 5 4 5 4 3 2 3 31 2011-08-07 2 2 2 2 1 1 2 3 15 2011-08-08 3 2 2 3 3 1 1 2 17 2011-08-09 2 4 5 3 1 1 2 3 21 2011-08-10 2 2 2 2 2 1 2 3 16 2011-08-11 3 2 2 1 1 1 2 4 16 2011-08-12 2 2 2 2 2 2 2 3 17 2011-08-13 2 1 1 2 2 1 2 3 14 2011-08-14 3 2 2 3 2 4 3 4 23 2011-08-15 4 2 2 3 3 3 3 3 23 2011-08-16 2 3 3 2 3 1 1 2 17 2011-08-17 4 3 2 3 3 1 2 3 21 2011-08-18 2 2 2 1 2 2 1 3 15 2011-08-19 3 1 1 2 1 1 1 2 12 2011-08-20 3 3 1 1 2 1 2 2 15 2011-08-21 2 1 1 1 2 0 1 2 10 2011-08-22 3 2 3 2 1 2 3 3 19 2011-08-23 3 2 2 3 2 2 3 4 21 2011-08-24 3 2 2 1 2 2 1 3 16 2011-08-25 2 2 2 2 3 3 2 3 19 2011-08-26 2 2 1 1 1 2 2 3 14 2011-08-27 3 2 1 1 2 2 2 3 16 2011-08-28 3 3 3 2 2 2 3 3 21 2011-08-29 3 2 3 3 2 2 1 3 19 2011-08-30 2 2 1 2 2 1 2 3 15 2011-08-31 2 1 1 1 1 1 0 2 9 2011-09-01 2 1 2 1 1 1 1 3 12 2011-09-02 2 1 1 2 2 1 2 3 14 2011-09-03 3 3 3 5 3 3 2 3 25 2011-09-04 2 2 2 1 3 4 2 2 18 2011-09-05 2 2 1 2 2 3 4 3 19 2011-09-06 3 2 2 2 2 2 2 2 17 2011-09-07 3 2 2 2 2 1 2 3 17 2011-09-08 3 1 1 1 0 1 0 3 10 2011-09-09 3 2 3 3 6 6 5 5 33 2011-09-10 5 4 5 4 3 5 3 4 33 2011-09-11 2 2 2 2 3 3 2 3 19 2011-09-12 4 4 4 4 4 4 4 4 32 2011-09-13 4 5 4 3 2 1 2 3 24 2011-09-14 3 2 2 2 2 1 2 3 17 2011-09-15 2 2 2 2 1 2 2 2 15 2011-09-16 3 3 1 2 1 2 1 2 15 2011-09-17 4 6 6 7 6 6 5 4 44 2011-09-18 2 2 1 2 2 3 1 2 15 2011-09-19 3 2 2 2 1 1 1 2 14 2011-09-20 3 3 2 2 2 1 2 2 17 2011-09-21 2 1 2 2 2 2 1 2 14 2011-09-22 2 2 2 1 1 1 3 2 14 2011-09-23 3 2 1 1 1 1 1 2 12 2011-09-24 3 1 2 2 2 1 2 3 16 2011-09-25 2 2 1 3 3 3 2 2 18 2011-09-26 3 2 3 3 5 6 7 5 34 2011-09-27 4 4 5 3 3 4 4 4 31 2011-09-28 4 3 4 2 4 4 1 2 24 2011-09-29 6 6 5 3 3 4 3 2 32 2011-09-30 3 3 2 1 1 2 4 4 20 2011-10-01 4 4 3 3 3 3 2 3 25 2011-10-02 3 3 3 3 3 5 2 2 24 2011-10-03 3 2 2 2 3 2 2 2 18 2011-10-04 2 2 2 2 2 3 2 2 17 2011-10-05 2 2 4 4 5 5 3 3 28 2011-10-06 3 4 3 2 3 3 2 2 22 2011-10-07 3 3 2 3 1 3 2 1 18 2011-10-08 2 2 2 2 2 4 4 4 22 2011-10-09 3 3 3 3 2 3 3 2 22 2011-10-10 3 3 2 1 0 2 2 2 15 2011-10-11 1 1 2 1 3 3 2 1 14 2011-10-12 2 2 3 1 1 2 2 2 15 2011-10-13 2 -1 -1 2 1 1 1 2 -1 2011-10-14 2 2 1 0 1 1 2 2 11 2011-10-15 3 2 1 2 3 3 1 2 17 2011-10-16 3 2 2 1 3 1 1 2 15 2011-10-17 2 2 2 1 0 1 1 2 11 2011-10-18 2 3 2 1 1 2 1 1 13 2011-10-19 3 2 2 3 3 0 2 1 16 2011-10-20 3 3 2 1 1 2 3 1 16 2011-10-21 3 3 2 1 0 1 1 1 12 2011-10-22 3 2 1 1 1 1 0 1 10 2011-10-23 2 1 1 1 2 2 1 1 11 2011-10-24 2 2 2 2 1 2 6 6 23 2011-10-25 6 4 3 3 3 3 2 2 26 2011-10-26 2 2 2 1 1 2 1 2 13 2011-10-27 2 2 2 1 2 1 1 1 12 2011-10-28 2 2 1 1 0 0 0 1 7 2011-10-29 2 1 0 0 1 1 1 1 7 2011-10-30 3 3 2 3 3 4 1 2 21 2011-10-31 3 3 3 2 3 2 3 3 22 2011-11-01 3 2 3 4 3 4 3 1 23 2011-11-02 3 3 2 2 3 3 1 2 19 2011-11-03 3 2 1 1 1 2 1 1 12 2011-11-04 2 1 1 1 2 2 2 2 13 2011-11-05 2 2 1 -1 1 1 2 0 -1 2011-11-06 1 1 1 2 2 3 0 2 12 2011-11-07 2 1 2 2 1 3 2 2 15 2011-11-08 3 3 3 3 3 3 1 1 20 2011-11-09 1 1 1 1 0 0 0 1 5 2011-11-10 1 1 1 1 1 2 2 1 10 2011-11-11 2 2 1 2 1 1 1 0 10 2011-11-12 2 2 2 2 1 3 1 0 13 2011-11-13 1 1 1 1 0 1 1 1 7 2011-11-14 2 2 1 -1 0 0 0 0 -1 2011-11-15 1 2 2 2 3 3 1 2 16 2011-11-16 1 1 1 1 1 0 2 1 8 2011-11-17 2 1 2 1 1 2 1 1 11 2011-11-18 2 1 2 1 2 1 0 1 10 2011-11-19 1 1 0 0 0 0 0 0 2 2011-11-20 2 1 1 1 0 2 2 1 10 2011-11-21 2 1 2 1 2 2 1 3 14 2011-11-22 3 2 2 2 3 3 2 3 20 2011-11-23 2 2 2 1 2 2 2 2 15 2011-11-24 2 2 2 2 3 2 3 3 19 2011-11-25 2 2 2 1 1 1 1 2 12 2011-11-26 1 1 1 1 2 2 1 2 11 2011-11-27 2 3 3 2 2 3 1 1 17 2011-11-28 1 1 1 1 1 1 1 4 11 2011-11-29 4 4 3 2 2 2 3 2 22 2011-11-30 4 2 3 5 4 3 3 2 26 2011-12-01 3 2 2 2 2 1 2 1 15 2011-12-02 2 1 1 2 2 3 3 3 17 2011-12-03 2 1 3 2 1 3 3 3 18 2011-12-04 2 2 2 2 2 1 1 1 13 2011-12-05 1 1 1 1 2 2 1 2 11 2011-12-06 1 0 0 0 2 2 2 0 7 2011-12-07 2 2 1 1 0 1 1 1 9 2011-12-08 2 1 1 1 1 2 1 1 10 2011-12-09 2 2 2 3 2 2 2 2 17 2011-12-10 3 2 3 3 1 2 2 2 18 2011-12-11 1 1 2 2 3 3 2 2 16 2011-12-12 1 2 2 1 2 3 3 2 16 2011-12-13 2 2 2 2 3 2 2 1 16 2011-12-14 2 1 1 1 0 1 1 1 8 2011-12-15 2 1 1 1 0 0 0 1 6 2011-12-16 1 0 0 0 0 0 0 0 1 2011-12-17 2 2 2 1 1 1 0 1 10 2011-12-18 2 1 1 2 1 1 3 1 12 2011-12-19 2 3 1 2 3 3 3 3 20 2011-12-20 2 2 2 1 1 2 3 2 15 2011-12-21 2 2 1 2 3 3 3 2 18 2011-12-22 3 1 1 1 1 1 2 2 12 2011-12-23 2 2 1 1 1 0 0 1 8 2011-12-24 1 1 1 1 0 1 2 1 8 2011-12-25 2 2 1 1 0 1 1 0 8 2011-12-26 -1 -1 0 0 1 1 1 0 -1 2011-12-27 2 2 1 1 0 0 1 1 8 2011-12-28 2 2 1 2 3 3 3 2 18 2011-12-29 2 2 3 4 2 3 2 2 20 2011-12-30 2 3 2 2 3 4 4 2 22 2011-12-31 2 2 2 2 1 2 3 2 16