condition mean min max 4 h after light 0.0395888 0.0 0.0791776 8 h after light 0.248786 0.172937 0.324635 12 h after light 0.266191 0.252207 0.280175 4 h after dark 0.5124203333333334 0.152543 0.712006 8 h after dark 0.19357033333333334 0.0 0.369529 12 h after dark 0.024572033333333337 0.0 0.0737161