diurnally

By daylight; in the daytime.

Habitually during the day; every daytime.

Sparrows are most active diurnally.

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.