condition mean min max 0 h after light 1.018683 0.886706 1.15066 4 h after light 1.114214 0.785418 1.44301 8 h after light 0.400391 0.350279 0.450503 4 h after dark 1.087835 0.61092 1.56475 8 h after dark 0.48092650000000003 0.351635 0.610218 12 h after dark 0.478464 0.265181 0.691747