Saussure found that the fair weather condition had an annual variation.

The district heating used 42% of hard coal in average 1990-2006, but its annual variation was small compared to the industry separate electricity generation.

Due to annual variations of the ice sheet, the runway changes position every year.

Because the concern here is with general trends and not annual variations, the rates are calculated for five year blocks.

Only 3% of weather stations register higher annual variations.

The graph at the top of this article shows the annual variation as it is at present, around the year 2000.

The clocks embody the annual variation as it was when they were made.

Fast forward two years and, finally, a second detector sees the annual variation that may be a signature of dark matter.

One distinctive feature of Hawaii's climate is the small annual variation in temperature range.

This was mostly due to the annual variation of the southwest monsoon.