Diurnality is a form of plant and animal behavior characterized by activity during daytime, with a period of sleeping or other inactivity at night. The...

Look up diurnal in Wiktionary, the free dictionary. Diurnal ("daily") may refer to: Diurnal cycle, any pattern that recurs daily Diurnality, the behavior...

A diurnal cycle (or diel cycle) is any pattern that recurs every 24 hours as a result of one full rotation of the planet Earth around its axis. Earth's...

Diurnal motion (from Latin diurnus 'daily', from Latin diēs 'day') is an astronomical term referring to the apparent motion of celestial objects (e.g...

article on "diurnal arc", but its sister project Wiktionary does: Read the Wiktionary entry "diurnal arc" You can also: Search for Diurnal arc in Wikipedia...

In meteorology, diurnal temperature variation is the variation between a high air temperature and a low temperature that occurs during the same day. Temperature...

societies. Humans are normally diurnal creatures that are active in the daytime.[citation needed] As with most other diurnal animals, human activity-rest...

Accipitres) were divided into diurnal and nocturnal tribes; the owls remained monogeneric (family Ægolii, genus Strix), whilst the diurnal raptors were divided...

and latitude of the location on Earth from where the Moon is observed. Diurnal libration is the small daily libration, an oscillation due to Earth's rotation...

Diurnal mood variation or morning depression is a prominent depression symptom characterized by gradual mood improvement through the day, reaching its...