Historical K index values from observatory YAK (Yakutsk), 1957-1991

• Main Authors: Sergeyeva, Natalia, Gvishiani, Alexei, Soloviev, Anatoly, Zabarinskaya, Lyudmila, Krylova, Tamara, Nisilevich, Mikhail, Krasnoperov, Roman
• Format: Dataset
• Language: English
• Published: PANGAEA 2021
• Subjects: DATE/TIME; Day of the year; Geomagnetic activity (World Data Center for Solar-Terrestrial Physics); Geomagnetic observatory; geomagnetism; geophysics; historical data; K index; Lower limit for K = 9 (depends on the latitude of the observatory); MAGOBS; Maximum fluctuation; Russia; Soviet data; Station label; Sum of 8 index values per day; YAK_K_index; Yakutsk
• Online Access: https://doi.pangaea.de/10.1594/PANGAEA.929061; https://doi.org/10.1594/PANGAEA.929061