diurnally

Adverb

diurnally (not comparable)

1. By daylight; in the daytime.

   Antonyms:

   at night, nocturnally

2. Habitually during the day; every daytime.
   • Sparrows are most active diurnally.

   Antonyms:

   nocturnally

3. On a 24-hour period, a frequency of once per 24 hours; daily.
   • These flowers open and close diurnally.
   • Although the 1-D RCM can predict only horizontally, diurnally, and seasonally averaged conditions, it is capable of estimating the first-order climate responses of the atmosphere, which is our intention in this study.1983, Richard P. Turco et al., “Nuclear winter: Global consequences of multiple nuclear explosions”, in Science, volume 222, number 4630, →ISSN, page 1284

   Synonyms:

   circadianly