observational day

observational day

[‚äb·zər′vā·shən·əl ¦dā]
(geophysics)
Any 24-hour period selected as the basis for climatological or hydrological observations.
References in periodicals archive ?
The behavioral data points of the piglets were aggregated into sums of each pen and each observational day and analyzed using fixed effects of observational day and random pen, replicate and operator (individual watching the video) effects.
Observations occurred as follows for a total of 124 hrs: (1) every other week from 14:00 to 17:00 hrs (72 hrs, 6 hrs/month, 24 observational days), (2) during a monthly census of the squirrels (36 hrs, 3 hrs/month, 12 observational days), and (3) during general behavioral observations conducted as a separate study (16 hrs total, 2 observational days per species).
Number of days food items were selected by Sciurus griseus and Sciurus niger out of 38 total observational days at Rancho Santa Ana Botanic Garden in Claremont, California from March 2013 to February 2014.

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