NCEP/NCAR SLP
mean daily NMC reanalysis (1948)
X axis: whole world in 144 2.50° steps,
first point at 0.00° E, last point at 357.50° E
Y axis: regular grid with 73 -2.50° steps,
first point at 90.00° N, last point at 90.00° S
1-daily data available from 01Jan1948 to 08Sep2022 ( 27336 times)
Variable slp (mean Daily Sea Level Pressure) in Pascals Full metadata.
Please consider downloading this field from the authoritative site.
If you really want to get it here,
NCEP/NCAR SLP is available as
a netcdf file (size 439.148 MB).