Maintained by: Solar-Terrestrial Environment Laboratory, Nagoya University, WDC for Cosmic Rays, Prof Takashi Watanabe, Director.

Summary of Data Held: Cosmic-ray neutron monitor data from worldwide observatories since 1953, 1-hour values corrected for atmospheric pressure, and related solarinterplanetary data.

User Services: Open to visitors during normal working hours. Advance notice is recommended. An on-line database is accessible through the WWW home 63page or an anonymous ftp account (FTP env.sci.ibaraki.ac.jp).

Data Products, Publications, Catalogs: Hourly cosmicray neutron intensities are published in yearly data books. Monthly and yearly neutron counting rates are also given. Data catalogs are published. All publications are free of charge.