accelerating higher, and over the full time he's been taking readings (~47 yrs) the lowest temp for all cycles has risen ~1 deg C...and at the accelerating rate we're seeing it could plausibly exceed the 2 deg. limit highlighted by the IPCC.
If that's not concerning enough, BP's estimate for years of proven oil reserves remaining worldwide are on the order of only 50 years...barely enough time to switch to alternative sources and still have some oil left in the tank for all the myriad uses other than incinerating it for heat and power.