condition mean min max 4 h after light 0.02653515 0.0 0.0530703 8 h after light 0.02879315 0.0 0.0575863 12 h after light 0.12217 0.105027 0.139313 4 h after dark 0.04623115 0.0458994 0.0465629 8 h after dark 0.2060005 0.184012 0.227989 12 h after dark 0.13346 0.0 0.26692