condition mean min max 4 h after light 0.0235781 0.0208552 0.026301 8 h after light 0.01041030058 1.16e-09 0.0208206 12 h after light 0.01095255 0.0 0.0219051 4 h after dark 0.009738866666666667 0.0 0.0292166 8 h after dark 0.0 0.0 0.0 12 h after dark 0.039536067073333334 1.22e-09 0.088238