condition mean min max 4 h after light 11.805043 11.805043 11.805043 8 h after light 12.5770585 12.192347 12.96177 12 h after light 10.838331499999999 9.87162 11.805043 4 h after dark 11.639728 10.486049 12.793407 8 h after dark 11.805043 11.805043 11.805043 12 h after dark 12.944109 12.944109 12.944109