condition mean min max 0 h after light 0.0818937 0.0818207 0.0819667 4 h after light 0.6222380000000001 0.327415 0.917061 8 h after light 0.24401675 0.0832885 0.404745 4 h after dark 1.6504599999999998 1.2116 2.08932 8 h after dark 1.49976 1.46844 1.53108 12 h after dark 0.4005449 0.0817108 0.719379