21.   High summer is prime season for babesiosis.

22.   In high summer, when pleasure is at the prow, people who love looking at pictures often remember the art museum at Smith College in Northampton, Mass.

23.   In Kansas, wild sunflowers in high summer were as common as crab grass.

24.   In the humidity of high summer, the mood is even drowsier, as residents retreat to their shady, jasmine-scented gardens.

25.   It is high summer in the North Country, with the back-to-school shopping season fast approaching.

26.   It is now that the grass slows its growth from the rapacious fecundity of high summer.

27.   It was warm and still, and under the pines the air smelled of baked balsam, instilling in us an uncanny sense of Christmas in high summer.

28.   Judging by its high summer ratings, viewers do.

29.   Last weekend was not exactly high summer on the Atlantic, with high winds and low temperatures well below the traditional season kickoff norm.

30.   Moreover, because cold temperatures slow the chemical reactions in photosynthesis, all plant growth has to occur in high summer, after temperatures have warmed up.