The derived velocities show almost no seasonal variation for the analyzed calving termini.

UNESCO: Dublin Core

This shift, coupled with seasonal variation, might make for a confusing winter for users of weather.com, with more surprise raindrops or snowfalls than usual.

WSJ: Some Percentages Are Just Fair-Weather Friends

He told BBC News Online that the concept of seasonal variation in the risk of Crohn's disease had been studied on many occasions since the mid 1960s.

BBC: Seasonal variation in Crohn's risk

The SAAR is an estimate for what sales would be for an entire year if they continued at the sales pace for a given month, taking seasonal variation into account.

FORBES: U.S. Auto Sales To Pick Up In February, Thanks In Part To Pickups

Seasonal adjustment is generally speaking a good thing, because seasonal changes definitely have an effect, and it is good that statisticians present their data in a way that takes out some of the seasonal variation.

FORBES: Seasonally Adjustment Distorts Figures

Checking data collected at Brookhaven National Laboratory on Long Island and the Federal Physical and Technical Institute in Germany, they came across something even more surprising: long-term observation of the decay rate of silicon-32 and radium-226 seemed to show a small seasonal variation.

FORBES: Radioactive Decay Rates May Not Be Constant After All