diurnal

Diurnal: such insects as are active or habitually fly by day only.

All were at a good height, and the whole movement had the air of a diurnal migration.

From the owls to the diurnal birds of prey it is but a short step.

She avoided the house, but sent a woman for her diurnal love letters.

The wallet of diurnal anecdote was full, and craved unloading.

Daily is the Saxon and popular, diurnal the Latin and scientific term.

The diurnal rotation of the Earth is effected round this axis.

He accomplishes his diurnal revolution in less than ten hours!

At ten o'clock the barometer showed a disturbance of the diurnal range.

The part of the entry in the Diurnal which deals with them, at least, is probably not contemporary.