Literally þof the dayþ, but here meaning having a period or a þtidal dayþ, i e about 24 8 hours
Pertaining to actions or events that occur during a twenty-four hour cycle or recurs every twenty-four hours Meteorological elements that are measured diurnally include clouds, precipitation, pressure, relative humidity, temperature, and wind
Daily; related to actions which are completed in the course of a calendar day, and which typically recur every calendar day (e g , diurnal temperature rises during the day, and diurnal falls at night)
daily, or the daily cycle A diurnal plot is usually a representative midnight-to-midnight graph of values measured at a smaller time interval (e g , hourly or 5-minute values)