condition mean min max 0 h after light 6.257245 5.70209 6.8124 4 h after light 5.30441 5.03749 5.57133 8 h after light 5.648725 5.32091 5.97654 4 h after dark 7.606999999999999 7.1148 8.0992 8 h after dark 6.82629 6.79765 6.85493 12 h after dark 6.32535 5.90808 6.74262