NOAA NCDC DAILY FSOD SCMM: average sky cover midnight to midnight data

SCMM average sky cover midnight to midnight from NOAA NCDC DAILY FSOD: Daily weather station data primarily from the United States and parts of South Pacific and Europe.

Independent Variables (Grids)

Time
grid: /T (julian_day) ordered (1200 1 Jan 1869 - 1200 2 Jan 1869) to