Annales de l'Observatoire physique central Nicolas /
Rykachev, M.(Mikhail),1840-1919.
Glavnai︠a︡ fizicheskai︠a︡ observatorīi︠a︡ (Russia)
St.-Pétersbourg : Imprimerie de l'Académie Impériale des sciences,
1899-
Chiefly tables.
Some vols. have supplement: (1900-1913).
Publisher varies.
Geomagnetism
Magnetic declination
Meteorology
Atmospheric pressure
Atmospheric temperature
Precipitation (Meteorology)
Cloudiness
Humidity
Winds
Annales de l'Observatoire physique central