ICOADS Web information page (Tuesday, 08-Nov-2005 16:59:56 MST):
Figure 4a: 1900-49: Sea surface temperature.
Figure 4b: 1900-49: Air temperature.
Figure 4c: 1900-49: Scalar wind.
Figure 4d: 1900-49: Sea level pressure.
Figure 4e: 1900-49: Total cloudiness.
[Release 1c (1784-1949)][Release 1c (1784-1949) Beta]