chronological scientific tables; science almanac
Refers to the well-known Japanese reference book 'Rika Nenpyō' (Chronological Scientific Tables), published annually by the National Astronomical Observatory of Japan, containing a wide range of scientific data.
I looked up this year's weather data in the Rika Nenpyō.
Compound of 理科 (rika, 'science') and 年表 (nenpyō, 'chronological table'). The name is a proper noun referring to the specific publication.