1000 mb Temperature January Mean (29-year average).

1000 mb Temperature July Mean (29-year average).

500mb Height Annual Mean (29-year average).

500mb Height January Mean (29-year average).

500mb Height July Mean (29-year average).

Mean Sea Level Pressure Annual Mean (29-year average).

Mean Sea Level Pressure January Mean (29-year average).

Mean Sea Level Pressure July Mean (29-year average).

MSLP and surface winds for January

MSLP and surface winds for July

Idealized circulation on a non-rotating Earth.

Idealized circualtion on a rotating Earth.